Mercurial > cpython-lru_cache-weakref

annotate Lib/test/test_parser.py @ 65035:87f4b32905df 2.7

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Cosmetic fix to use print function.
author Hirokazu Yamamoto <ocean-city@m2.ccsnet.ne.jp>
date Fri, 01 Oct 2010 10:48:47 +0000
parents 383039ef26a0
children 614c84670c63
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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87b8f0ea50e8 Add a minimal test suite for the parser module.
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1 import parser
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2 import unittest
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3 import sys
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4 from test import test_support
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5
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6 #
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7 # First, we test that we can generate trees from valid source fragments,
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8 # and that these valid trees are indeed allowed by the tree-loading side
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9 # of the parser module.
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10 #
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11
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12 class RoundtripLegalSyntaxTestCase(unittest.TestCase):
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13
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14 def roundtrip(self, f, s):
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15 st1 = f(s)
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16 t = st1.totuple()
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17 try:
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18 st2 = parser.sequence2st(t)
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19 except parser.ParserError, why:
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20 self.fail("could not roundtrip %r: %s" % (s, why))
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21
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22 self.assertEquals(t, st2.totuple(),
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23 "could not re-generate syntax tree")
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24
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25 def check_expr(self, s):
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26 self.roundtrip(parser.expr, s)
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27
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28 def test_flags_passed(self):
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29 # The unicode literals flags has to be passed from the paser to AST
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30 # generation.
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31 suite = parser.suite("from __future__ import unicode_literals; x = ''")
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32 code = suite.compile()
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33 scope = {}
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34 exec code in scope
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35 self.assertIsInstance(scope["x"], unicode)
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36
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37 def check_suite(self, s):
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38 self.roundtrip(parser.suite, s)
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39
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40 def test_yield_statement(self):
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41 self.check_suite("def f(): yield 1")
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42 self.check_suite("def f(): yield")
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43 self.check_suite("def f(): x += yield")
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44 self.check_suite("def f(): x = yield 1")
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45 self.check_suite("def f(): x = y = yield 1")
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46 self.check_suite("def f(): x = yield")
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47 self.check_suite("def f(): x = y = yield")
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48 self.check_suite("def f(): 1 + (yield)*2")
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49 self.check_suite("def f(): (yield 1)*2")
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50 self.check_suite("def f(): return; yield 1")
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51 self.check_suite("def f(): yield 1; return")
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52 self.check_suite("def f():\n"
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53 " for x in range(30):\n"
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54 " yield x\n")
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55 self.check_suite("def f():\n"
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56 " if (yield):\n"
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57 " yield x\n")
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58
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59 def test_expressions(self):
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60 self.check_expr("foo(1)")
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61 self.check_expr("{1:1}")
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62 self.check_expr("{1:1, 2:2, 3:3}")
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63 self.check_expr("{1:1, 2:2, 3:3,}")
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64 self.check_expr("{1}")
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65 self.check_expr("{1, 2, 3}")
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66 self.check_expr("{1, 2, 3,}")
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67 self.check_expr("[]")
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68 self.check_expr("[1]")
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69 self.check_expr("[1, 2, 3]")
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70 self.check_expr("[1, 2, 3,]")
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71 self.check_expr("()")
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72 self.check_expr("(1,)")
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73 self.check_expr("(1, 2, 3)")
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74 self.check_expr("(1, 2, 3,)")
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75 self.check_expr("[x**3 for x in range(20)]")
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76 self.check_expr("[x**3 for x in range(20) if x % 3]")
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77 self.check_expr("[x**3 for x in range(20) if x % 2 if x % 3]")
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78 self.check_expr("[x+y for x in range(30) for y in range(20) if x % 2 if y % 3]")
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79 #self.check_expr("[x for x in lambda: True, lambda: False if x()]")
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80 self.check_expr("list(x**3 for x in range(20))")
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81 self.check_expr("list(x**3 for x in range(20) if x % 3)")
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82 self.check_expr("list(x**3 for x in range(20) if x % 2 if x % 3)")
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83 self.check_expr("list(x+y for x in range(30) for y in range(20) if x % 2 if y % 3)")
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84 self.check_expr("{x**3 for x in range(30)}")
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85 self.check_expr("{x**3 for x in range(30) if x % 3}")
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86 self.check_expr("{x**3 for x in range(30) if x % 2 if x % 3}")
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87 self.check_expr("{x+y for x in range(30) for y in range(20) if x % 2 if y % 3}")
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88 self.check_expr("{x**3: y**2 for x, y in zip(range(30), range(30))}")
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89 self.check_expr("{x**3: y**2 for x, y in zip(range(30), range(30)) if x % 3}")
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90 self.check_expr("{x**3: y**2 for x, y in zip(range(30), range(30)) if x % 3 if y % 3}")
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91 self.check_expr("{x:y for x in range(30) for y in range(20) if x % 2 if y % 3}")
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92 self.check_expr("foo(*args)")
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93 self.check_expr("foo(*args, **kw)")
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94 self.check_expr("foo(**kw)")
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95 self.check_expr("foo(key=value)")
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96 self.check_expr("foo(key=value, *args)")
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97 self.check_expr("foo(key=value, *args, **kw)")
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98 self.check_expr("foo(key=value, **kw)")
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99 self.check_expr("foo(a, b, c, *args)")
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100 self.check_expr("foo(a, b, c, *args, **kw)")
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101 self.check_expr("foo(a, b, c, **kw)")
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102 self.check_expr("foo(a, *args, keyword=23)")
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103 self.check_expr("foo + bar")
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104 self.check_expr("foo - bar")
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105 self.check_expr("foo * bar")
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106 self.check_expr("foo / bar")
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107 self.check_expr("foo // bar")
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108 self.check_expr("lambda: 0")
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109 self.check_expr("lambda x: 0")
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110 self.check_expr("lambda *y: 0")
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111 self.check_expr("lambda *y, **z: 0")
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112 self.check_expr("lambda **z: 0")
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113 self.check_expr("lambda x, y: 0")
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114 self.check_expr("lambda foo=bar: 0")
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115 self.check_expr("lambda foo=bar, spaz=nifty+spit: 0")
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116 self.check_expr("lambda foo=bar, **z: 0")
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117 self.check_expr("lambda foo=bar, blaz=blat+2, **z: 0")
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118 self.check_expr("lambda foo=bar, blaz=blat+2, *y, **z: 0")
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119 self.check_expr("lambda x, *y, **z: 0")
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120 self.check_expr("lambda x: 5 if x else 2")
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121 self.check_expr("(x for x in range(10))")
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122 self.check_expr("foo(x for x in range(10))")
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124 def test_print(self):
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125 self.check_suite("print")
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126 self.check_suite("print 1")
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127 self.check_suite("print 1,")
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128 self.check_suite("print >>fp")
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129 self.check_suite("print >>fp, 1")
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130 self.check_suite("print >>fp, 1,")
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131
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132 def test_simple_expression(self):
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133 # expr_stmt
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134 self.check_suite("a")
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135
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136 def test_simple_assignments(self):
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137 self.check_suite("a = b")
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138 self.check_suite("a = b = c = d = e")
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139
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140 def test_simple_augmented_assignments(self):
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141 self.check_suite("a += b")
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142 self.check_suite("a -= b")
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143 self.check_suite("a *= b")
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144 self.check_suite("a /= b")
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145 self.check_suite("a //= b")
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146 self.check_suite("a %= b")
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147 self.check_suite("a &= b")
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148 self.check_suite("a |= b")
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149 self.check_suite("a ^= b")
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150 self.check_suite("a <<= b")
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151 self.check_suite("a >>= b")
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152 self.check_suite("a **= b")
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153
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154 def test_function_defs(self):
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155 self.check_suite("def f(): pass")
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156 self.check_suite("def f(*args): pass")
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157 self.check_suite("def f(*args, **kw): pass")
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158 self.check_suite("def f(**kw): pass")
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159 self.check_suite("def f(foo=bar): pass")
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160 self.check_suite("def f(foo=bar, *args): pass")
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161 self.check_suite("def f(foo=bar, *args, **kw): pass")
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162 self.check_suite("def f(foo=bar, **kw): pass")
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163
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164 self.check_suite("def f(a, b): pass")
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165 self.check_suite("def f(a, b, *args): pass")
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166 self.check_suite("def f(a, b, *args, **kw): pass")
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167 self.check_suite("def f(a, b, **kw): pass")
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168 self.check_suite("def f(a, b, foo=bar): pass")
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169 self.check_suite("def f(a, b, foo=bar, *args): pass")
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170 self.check_suite("def f(a, b, foo=bar, *args, **kw): pass")
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171 self.check_suite("def f(a, b, foo=bar, **kw): pass")
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172
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173 self.check_suite("@staticmethod\n"
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174 "def f(): pass")
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175 self.check_suite("@staticmethod\n"
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176 "@funcattrs(x, y)\n"
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177 "def f(): pass")
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178 self.check_suite("@funcattrs()\n"
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179 "def f(): pass")
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180
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181 def test_class_defs(self):
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182 self.check_suite("class foo():pass")
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183 self.check_suite("@class_decorator\n"
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184 "class foo():pass")
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185 self.check_suite("@class_decorator(arg)\n"
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186 "class foo():pass")
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187 self.check_suite("@decorator1\n"
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188 "@decorator2\n"
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189 "class foo():pass")
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190
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191
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192 def test_import_from_statement(self):
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193 self.check_suite("from sys.path import *")
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194 self.check_suite("from sys.path import dirname")
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195 self.check_suite("from sys.path import (dirname)")
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196 self.check_suite("from sys.path import (dirname,)")
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197 self.check_suite("from sys.path import dirname as my_dirname")
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198 self.check_suite("from sys.path import (dirname as my_dirname)")
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199 self.check_suite("from sys.path import (dirname as my_dirname,)")
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200 self.check_suite("from sys.path import dirname, basename")
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201 self.check_suite("from sys.path import (dirname, basename)")
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202 self.check_suite("from sys.path import (dirname, basename,)")
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203 self.check_suite(
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204 "from sys.path import dirname as my_dirname, basename")
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205 self.check_suite(
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206 "from sys.path import (dirname as my_dirname, basename)")
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207 self.check_suite(
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208 "from sys.path import (dirname as my_dirname, basename,)")
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209 self.check_suite(
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210 "from sys.path import dirname, basename as my_basename")
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211 self.check_suite(
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212 "from sys.path import (dirname, basename as my_basename)")
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213 self.check_suite(
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214 "from sys.path import (dirname, basename as my_basename,)")
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215 self.check_suite("from .bogus import x")
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216
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217 def test_basic_import_statement(self):
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218 self.check_suite("import sys")
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219 self.check_suite("import sys as system")
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220 self.check_suite("import sys, math")
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221 self.check_suite("import sys as system, math")
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222 self.check_suite("import sys, math as my_math")
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223
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224 def test_relative_imports(self):
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225 self.check_suite("from . import name")
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226 self.check_suite("from .. import name")
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227 self.check_suite("from .pkg import name")
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228 self.check_suite("from ..pkg import name")
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229
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230 def test_pep263(self):
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231 self.check_suite("# -*- coding: iso-8859-1 -*-\n"
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232 "pass\n")
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233
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234 def test_assert(self):
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235 self.check_suite("assert alo < ahi and blo < bhi\n")
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236
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237 def test_with(self):
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238 self.check_suite("with open('x'): pass\n")
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239 self.check_suite("with open('x') as f: pass\n")
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240 self.check_suite("with open('x') as f, open('y') as g: pass\n")
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241
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242 def test_try_stmt(self):
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243 self.check_suite("try: pass\nexcept: pass\n")
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244 self.check_suite("try: pass\nfinally: pass\n")
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245 self.check_suite("try: pass\nexcept A: pass\nfinally: pass\n")
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246 self.check_suite("try: pass\nexcept A: pass\nexcept: pass\n"
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247 "finally: pass\n")
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248 self.check_suite("try: pass\nexcept: pass\nelse: pass\n")
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249 self.check_suite("try: pass\nexcept: pass\nelse: pass\n"
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250 "finally: pass\n")
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251
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252 def test_except_clause(self):
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diff changeset
253 self.check_suite("try: pass\nexcept: pass\n")
c5afe9552779 Issue #9125: Update parser module for "except ... as ..." syntax.
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parents: 58817
diff changeset
254 self.check_suite("try: pass\nexcept A: pass\n")
c5afe9552779 Issue #9125: Update parser module for "except ... as ..." syntax.
Mark Dickinson <dickinsm@gmail.com>
parents: 58817
diff changeset
255 self.check_suite("try: pass\nexcept A, e: pass\n")
c5afe9552779 Issue #9125: Update parser module for "except ... as ..." syntax.
Mark Dickinson <dickinsm@gmail.com>
parents: 58817
diff changeset
256 self.check_suite("try: pass\nexcept A as e: pass\n")
c5afe9552779 Issue #9125: Update parser module for "except ... as ..." syntax.
Mark Dickinson <dickinsm@gmail.com>
parents: 58817
diff changeset
257
39635
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Jeremy Hylton <jeremy@alum.mit.edu>
parents: 37623
diff changeset
258 def test_position(self):
f8a90d1825ce Expose column offset information in parse trees.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 37623
diff changeset
259 # An absolutely minimal test of position information. Better
f8a90d1825ce Expose column offset information in parse trees.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 37623
diff changeset
260 # tests would be a big project.
57597
9c597b0a6a9b fix test_parser from tokenizer tweak
Benjamin Peterson <benjamin@python.org>
parents: 57204
diff changeset
261 code = "def f(x):\n return x + 1"
39635
f8a90d1825ce Expose column offset information in parse trees.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 37623
diff changeset
262 st1 = parser.suite(code)
f8a90d1825ce Expose column offset information in parse trees.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 37623
diff changeset
263 st2 = st1.totuple(line_info=1, col_info=1)
f8a90d1825ce Expose column offset information in parse trees.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 37623
diff changeset
264
f8a90d1825ce Expose column offset information in parse trees.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 37623
diff changeset
265 def walk(tree):
f8a90d1825ce Expose column offset information in parse trees.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 37623
diff changeset
266 node_type = tree[0]
f8a90d1825ce Expose column offset information in parse trees.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 37623
diff changeset
267 next = tree[1]
f8a90d1825ce Expose column offset information in parse trees.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 37623
diff changeset
268 if isinstance(next, tuple):
f8a90d1825ce Expose column offset information in parse trees.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 37623
diff changeset
269 for elt in tree[1:]:
f8a90d1825ce Expose column offset information in parse trees.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 37623
diff changeset
270 for x in walk(elt):
f8a90d1825ce Expose column offset information in parse trees.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 37623
diff changeset
271 yield x
f8a90d1825ce Expose column offset information in parse trees.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 37623
diff changeset
272 else:
f8a90d1825ce Expose column offset information in parse trees.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 37623
diff changeset
273 yield tree
39683
904958216813 Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 39635
diff changeset
274
39635
f8a90d1825ce Expose column offset information in parse trees.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 37623
diff changeset
275 terminals = list(walk(st2))
f8a90d1825ce Expose column offset information in parse trees.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 37623
diff changeset
276 self.assertEqual([
f8a90d1825ce Expose column offset information in parse trees.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 37623
diff changeset
277 (1, 'def', 1, 0),
f8a90d1825ce Expose column offset information in parse trees.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 37623
diff changeset
278 (1, 'f', 1, 4),
f8a90d1825ce Expose column offset information in parse trees.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 37623
diff changeset
279 (7, '(', 1, 5),
f8a90d1825ce Expose column offset information in parse trees.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 37623
diff changeset
280 (1, 'x', 1, 6),
f8a90d1825ce Expose column offset information in parse trees.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 37623
diff changeset
281 (8, ')', 1, 7),
f8a90d1825ce Expose column offset information in parse trees.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 37623
diff changeset
282 (11, ':', 1, 8),
f8a90d1825ce Expose column offset information in parse trees.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 37623
diff changeset
283 (4, '', 1, 9),
f8a90d1825ce Expose column offset information in parse trees.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 37623
diff changeset
284 (5, '', 2, -1),
f8a90d1825ce Expose column offset information in parse trees.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 37623
diff changeset
285 (1, 'return', 2, 4),
f8a90d1825ce Expose column offset information in parse trees.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 37623
diff changeset
286 (1, 'x', 2, 11),
f8a90d1825ce Expose column offset information in parse trees.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 37623
diff changeset
287 (14, '+', 2, 13),
f8a90d1825ce Expose column offset information in parse trees.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 37623
diff changeset
288 (2, '1', 2, 15),
f8a90d1825ce Expose column offset information in parse trees.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 37623
diff changeset
289 (4, '', 2, 16),
57597
9c597b0a6a9b fix test_parser from tokenizer tweak
Benjamin Peterson <benjamin@python.org>
parents: 57204
diff changeset
290 (6, '', 2, -1),
9c597b0a6a9b fix test_parser from tokenizer tweak
Benjamin Peterson <benjamin@python.org>
parents: 57204
diff changeset
291 (4, '', 2, -1),
9c597b0a6a9b fix test_parser from tokenizer tweak
Benjamin Peterson <benjamin@python.org>
parents: 57204
diff changeset
292 (0, '', 2, -1)],
39635
f8a90d1825ce Expose column offset information in parse trees.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 37623
diff changeset
293 terminals)
f8a90d1825ce Expose column offset information in parse trees.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 37623
diff changeset
294
f8a90d1825ce Expose column offset information in parse trees.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 37623
diff changeset
295
14111
87b8f0ea50e8 Add a minimal test suite for the parser module.
Fred Drake <fdrake@acm.org>
parents:
diff changeset
296 #
87b8f0ea50e8 Add a minimal test suite for the parser module.
Fred Drake <fdrake@acm.org>
parents:
diff changeset
297 # Second, we take *invalid* trees and make sure we get ParserError
87b8f0ea50e8 Add a minimal test suite for the parser module.
Fred Drake <fdrake@acm.org>
parents:
diff changeset
298 # rejections for them.
87b8f0ea50e8 Add a minimal test suite for the parser module.
Fred Drake <fdrake@acm.org>
parents:
diff changeset
299 #
87b8f0ea50e8 Add a minimal test suite for the parser module.
Fred Drake <fdrake@acm.org>
parents:
diff changeset
300
18027
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
301 class IllegalSyntaxTestCase(unittest.TestCase):
24957
dc66eb4cd17a Standardize behavior: no docstrings in test functions.
Guido van Rossum <guido@python.org>
parents: 24364
diff changeset
302
18027
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
303 def check_bad_tree(self, tree, label):
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
304 try:
18670
384b9113a2e0 Use the "st" versions of the "ast" calls in the parser module -- there is
Fred Drake <fdrake@acm.org>
parents: 18647
diff changeset
305 parser.sequence2st(tree)
18027
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
306 except parser.ParserError:
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
307 pass
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
308 else:
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
309 self.fail("did not detect invalid tree for %r" % label)
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
310
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
311 def test_junk(self):
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
312 # not even remotely valid:
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
313 self.check_bad_tree((1, 2, 3), "<junk>")
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
314
18647
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
315 def test_illegal_yield_1(self):
24957
dc66eb4cd17a Standardize behavior: no docstrings in test functions.
Guido van Rossum <guido@python.org>
parents: 24364
diff changeset
316 # Illegal yield statement: def f(): return 1; yield 1
18647
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
317 tree = \
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
318 (257,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
319 (264,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
320 (285,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
321 (259,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
322 (1, 'def'),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
323 (1, 'f'),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
324 (260, (7, '('), (8, ')')),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
325 (11, ':'),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
326 (291,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
327 (4, ''),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
328 (5, ''),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
329 (264,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
330 (265,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
331 (266,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
332 (272,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
333 (275,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
334 (1, 'return'),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
335 (313,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
336 (292,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
337 (293,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
338 (294,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
339 (295,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
340 (297,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
341 (298,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
342 (299,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
343 (300,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
344 (301,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
345 (302, (303, (304, (305, (2, '1')))))))))))))))))),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
346 (264,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
347 (265,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
348 (266,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
349 (272,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
350 (276,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
351 (1, 'yield'),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
352 (313,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
353 (292,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
354 (293,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
355 (294,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
356 (295,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
357 (297,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
358 (298,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
359 (299,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
360 (300,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
361 (301,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
362 (302,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
363 (303, (304, (305, (2, '1')))))))))))))))))),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
364 (4, ''))),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
365 (6, ''))))),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
366 (4, ''),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
367 (0, ''))))
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
368 self.check_bad_tree(tree, "def f():\n return 1\n yield 1")
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
369
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
370 def test_illegal_yield_2(self):
24957
dc66eb4cd17a Standardize behavior: no docstrings in test functions.
Guido van Rossum <guido@python.org>
parents: 24364
diff changeset
371 # Illegal return in generator: def f(): return 1; yield 1
18647
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
372 tree = \
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
373 (257,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
374 (264,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
375 (265,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
376 (266,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
377 (278,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
378 (1, 'from'),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
379 (281, (1, '__future__')),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
380 (1, 'import'),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
381 (279, (1, 'generators')))),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
382 (4, ''))),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
383 (264,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
384 (285,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
385 (259,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
386 (1, 'def'),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
387 (1, 'f'),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
388 (260, (7, '('), (8, ')')),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
389 (11, ':'),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
390 (291,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
391 (4, ''),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
392 (5, ''),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
393 (264,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
394 (265,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
395 (266,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
396 (272,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
397 (275,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
398 (1, 'return'),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
399 (313,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
400 (292,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
401 (293,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
402 (294,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
403 (295,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
404 (297,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
405 (298,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
406 (299,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
407 (300,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
408 (301,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
409 (302, (303, (304, (305, (2, '1')))))))))))))))))),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
410 (264,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
411 (265,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
412 (266,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
413 (272,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
414 (276,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
415 (1, 'yield'),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
416 (313,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
417 (292,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
418 (293,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
419 (294,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
420 (295,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
421 (297,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
422 (298,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
423 (299,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
424 (300,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
425 (301,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
426 (302,
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
427 (303, (304, (305, (2, '1')))))))))))))))))),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
428 (4, ''))),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
429 (6, ''))))),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
430 (4, ''),
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
431 (0, ''))))
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
432 self.check_bad_tree(tree, "def f():\n return 1\n yield 1")
ad82cafe45ac Added tests for the new yield support in the parser module.
Fred Drake <fdrake@acm.org>
parents: 18027
diff changeset
433
18027
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
434 def test_print_chevron_comma(self):
24957
dc66eb4cd17a Standardize behavior: no docstrings in test functions.
Guido van Rossum <guido@python.org>
parents: 24364
diff changeset
435 # Illegal input: print >>fp,
18027
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
436 tree = \
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
437 (257,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
438 (264,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
439 (265,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
440 (266,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
441 (268,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
442 (1, 'print'),
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
443 (35, '>>'),
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
444 (290,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
445 (291,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
446 (292,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
447 (293,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
448 (295,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
449 (296,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
450 (297,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
451 (298, (299, (300, (301, (302, (303, (1, 'fp')))))))))))))),
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
452 (12, ','))),
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
453 (4, ''))),
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
454 (0, ''))
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
455 self.check_bad_tree(tree, "print >>fp,")
14111
87b8f0ea50e8 Add a minimal test suite for the parser module.
Fred Drake <fdrake@acm.org>
parents:
diff changeset
456
18027
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
457 def test_a_comma_comma_c(self):
24957
dc66eb4cd17a Standardize behavior: no docstrings in test functions.
Guido van Rossum <guido@python.org>
parents: 24364
diff changeset
458 # Illegal input: a,,c
18027
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
459 tree = \
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
460 (258,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
461 (311,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
462 (290,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
463 (291,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
464 (292,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
465 (293,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
466 (295,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
467 (296,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
468 (297,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
469 (298, (299, (300, (301, (302, (303, (1, 'a')))))))))))))),
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
470 (12, ','),
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
471 (12, ','),
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
472 (290,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
473 (291,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
474 (292,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
475 (293,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
476 (295,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
477 (296,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
478 (297,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
479 (298, (299, (300, (301, (302, (303, (1, 'c'))))))))))))))),
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
480 (4, ''),
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
481 (0, ''))
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
482 self.check_bad_tree(tree, "a,,c")
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
483
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
484 def test_illegal_operator(self):
24957
dc66eb4cd17a Standardize behavior: no docstrings in test functions.
Guido van Rossum <guido@python.org>
parents: 24364
diff changeset
485 # Illegal input: a $= b
18027
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
486 tree = \
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
487 (257,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
488 (264,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
489 (265,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
490 (266,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
491 (267,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
492 (312,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
493 (291,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
494 (292,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
495 (293,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
496 (294,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
497 (296,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
498 (297,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
499 (298,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
500 (299,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
501 (300, (301, (302, (303, (304, (1, 'a'))))))))))))))),
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
502 (268, (37, '$=')),
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
503 (312,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
504 (291,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
505 (292,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
506 (293,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
507 (294,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
508 (296,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
509 (297,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
510 (298,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
511 (299,
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
512 (300, (301, (302, (303, (304, (1, 'b'))))))))))))))))),
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
513 (4, ''))),
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
514 (0, ''))
5391b9d022ac Convert the parser module test to use PyUnit.
Fred Drake <fdrake@acm.org>
parents: 15966
diff changeset
515 self.check_bad_tree(tree, "a $= b")
14111
87b8f0ea50e8 Add a minimal test suite for the parser module.
Fred Drake <fdrake@acm.org>
parents:
diff changeset
516
27777
5f6931b8352e Add tests and news entry about parser errors from bug #678518.
Neal Norwitz <nnorwitz@gmail.com>
parents: 27517
diff changeset
517 def test_malformed_global(self):
5f6931b8352e Add tests and news entry about parser errors from bug #678518.
Neal Norwitz <nnorwitz@gmail.com>
parents: 27517
diff changeset
518 #doesn't have global keyword in ast
5f6931b8352e Add tests and news entry about parser errors from bug #678518.
Neal Norwitz <nnorwitz@gmail.com>
parents: 27517
diff changeset
519 tree = (257,
5f6931b8352e Add tests and news entry about parser errors from bug #678518.
Neal Norwitz <nnorwitz@gmail.com>
parents: 27517
diff changeset
520 (264,
5f6931b8352e Add tests and news entry about parser errors from bug #678518.
Neal Norwitz <nnorwitz@gmail.com>
parents: 27517
diff changeset
521 (265,
5f6931b8352e Add tests and news entry about parser errors from bug #678518.
Neal Norwitz <nnorwitz@gmail.com>
parents: 27517
diff changeset
522 (266,
5f6931b8352e Add tests and news entry about parser errors from bug #678518.
Neal Norwitz <nnorwitz@gmail.com>
parents: 27517
diff changeset
523 (282, (1, 'foo'))), (4, ''))),
5f6931b8352e Add tests and news entry about parser errors from bug #678518.
Neal Norwitz <nnorwitz@gmail.com>
parents: 27517
diff changeset
524 (4, ''),
27963
226463445697 Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 27777
diff changeset
525 (0, ''))
27777
5f6931b8352e Add tests and news entry about parser errors from bug #678518.
Neal Norwitz <nnorwitz@gmail.com>
parents: 27517
diff changeset
526 self.check_bad_tree(tree, "malformed global ast")
14111
87b8f0ea50e8 Add a minimal test suite for the parser module.
Fred Drake <fdrake@acm.org>
parents:
diff changeset
527
62778
383039ef26a0 Issue #9130: Fix validation of relative imports in parser module.
Mark Dickinson <dickinsm@gmail.com>
parents: 62767
diff changeset
528 def test_missing_import_source(self):
383039ef26a0 Issue #9130: Fix validation of relative imports in parser module.
Mark Dickinson <dickinsm@gmail.com>
parents: 62767
diff changeset
529 # from import a
383039ef26a0 Issue #9130: Fix validation of relative imports in parser module.
Mark Dickinson <dickinsm@gmail.com>
parents: 62767
diff changeset
530 tree = \
383039ef26a0 Issue #9130: Fix validation of relative imports in parser module.
Mark Dickinson <dickinsm@gmail.com>
parents: 62767
diff changeset
531 (257,
383039ef26a0 Issue #9130: Fix validation of relative imports in parser module.
Mark Dickinson <dickinsm@gmail.com>
parents: 62767
diff changeset
532 (267,
383039ef26a0 Issue #9130: Fix validation of relative imports in parser module.
Mark Dickinson <dickinsm@gmail.com>
parents: 62767
diff changeset
533 (268,
383039ef26a0 Issue #9130: Fix validation of relative imports in parser module.
Mark Dickinson <dickinsm@gmail.com>
parents: 62767
diff changeset
534 (269,
383039ef26a0 Issue #9130: Fix validation of relative imports in parser module.
Mark Dickinson <dickinsm@gmail.com>
parents: 62767
diff changeset
535 (281,
383039ef26a0 Issue #9130: Fix validation of relative imports in parser module.
Mark Dickinson <dickinsm@gmail.com>
parents: 62767
diff changeset
536 (283, (1, 'from'), (1, 'import'),
383039ef26a0 Issue #9130: Fix validation of relative imports in parser module.
Mark Dickinson <dickinsm@gmail.com>
parents: 62767
diff changeset
537 (286, (284, (1, 'fred')))))),
383039ef26a0 Issue #9130: Fix validation of relative imports in parser module.
Mark Dickinson <dickinsm@gmail.com>
parents: 62767
diff changeset
538 (4, ''))),
383039ef26a0 Issue #9130: Fix validation of relative imports in parser module.
Mark Dickinson <dickinsm@gmail.com>
parents: 62767
diff changeset
539 (4, ''), (0, ''))
383039ef26a0 Issue #9130: Fix validation of relative imports in parser module.
Mark Dickinson <dickinsm@gmail.com>
parents: 62767
diff changeset
540 self.check_bad_tree(tree, "from import a")
383039ef26a0 Issue #9130: Fix validation of relative imports in parser module.
Mark Dickinson <dickinsm@gmail.com>
parents: 62767
diff changeset
541
35742
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35298
diff changeset
542
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35298
diff changeset
543 class CompileTestCase(unittest.TestCase):
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35298
diff changeset
544
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35298
diff changeset
545 # These tests are very minimal. :-(
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35298
diff changeset
546
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35298
diff changeset
547 def test_compile_expr(self):
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35298
diff changeset
548 st = parser.expr('2 + 3')
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35298
diff changeset
549 code = parser.compilest(st)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35298
diff changeset
550 self.assertEquals(eval(code), 5)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35298
diff changeset
551
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35298
diff changeset
552 def test_compile_suite(self):
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35298
diff changeset
553 st = parser.suite('x = 2; y = x + 3')
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35298
diff changeset
554 code = parser.compilest(st)
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35298
diff changeset
555 globs = {}
1c4d192f1568 Merge ast-branch to head
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 35298
diff changeset
556 exec code in globs
1c4d192f1568 Merge ast-branch to head
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557 self.assertEquals(globs['y'], 5)
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558
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559 def test_compile_error(self):
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560 st = parser.suite('1 = 3 + 4')
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561 self.assertRaises(SyntaxError, parser.compilest, st)
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562
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563 def test_compile_badunicode(self):
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564 st = parser.suite('a = u"\U12345678"')
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565 self.assertRaises(SyntaxError, parser.compilest, st)
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566 st = parser.suite('a = u"\u1"')
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567 self.assertRaises(SyntaxError, parser.compilest, st)
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Guido van Rossum <guido@python.org>
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568
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Facundo Batista <facundobatista@gmail.com>
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569 class ParserStackLimitTestCase(unittest.TestCase):
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570 """try to push the parser to/over it's limits.
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571 see http://bugs.python.org/issue1881 for a discussion
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572 """
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573 def _nested_expression(self, level):
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574 return "["*level+"]"*level
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575
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576 def test_deeply_nested_list(self):
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577 e = self._nested_expression(99)
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578 st = parser.expr(e)
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579 st.compile()
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580
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581 def test_trigger_memory_error(self):
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582 e = self._nested_expression(100)
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Martin v. Löwis <martin@v.loewis.de>
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583 print >>sys.stderr, "Expecting 's_push: parser stack overflow' in next line"
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584 self.assertRaises(MemoryError, parser.expr, e)
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585
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Fred Drake <fdrake@acm.org>
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586 def test_main():
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587 test_support.run_unittest(
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588 RoundtripLegalSyntaxTestCase,
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589 IllegalSyntaxTestCase,
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590 CompileTestCase,
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591 ParserStackLimitTestCase,
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592 )
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593
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Fred Drake <fdrake@acm.org>
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594
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Fred Drake <fdrake@acm.org>
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595 if __name__ == "__main__":
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596 test_main()