Mercurial > cpython-lru_cache-weakref

annotate Lib/test/regrtest.py @ 5817:48b94de85bf3 legacy-trunk

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Extensive changes by AMK.
author Guido van Rossum <guido@python.org>
date Thu, 17 Jul 1997 16:29:42 +0000
parents b7c600ecc27d
children dff2024ab021
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
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1 #! /usr/bin/env python
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2
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3 """Regression test.
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4
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5 This will find all modules whose name is "test_*" in the test
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6 directory, and run them. Various command line options provide
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7 additional facilities.
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8
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9 Command line options:
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10
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11 -v: verbose -- print the name name of each test as it is being run
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12 -q: quiet -- don't print anything except if a test fails
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13 -g: generate -- write the output file for a test instead of comparing it
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14 -x: exclude -- arguments are tests to *exclude*
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15
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16 If non-option arguments are present, they are names for tests to run,
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17 unless -x is given, in which case they are names for tests not to run.
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18 If no test names are given, all tests are run.
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19
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20 If -v is given *twice*, the tests themselves are run in verbose mode.
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21 This is incompatible with -g and does not compare test output files.
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22 """
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23
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24 import sys
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25 import string
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26 import os
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27 import getopt
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28 import traceback
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29
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30 import test_support
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31
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32 def main():
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33 try:
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34 opts, args = getopt.getopt(sys.argv[1:], 'vgqx')
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35 except getopt.error, msg:
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36 print msg
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37 print __doc__
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38 sys.exit(2)
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39 verbose = 0
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40 quiet = 0
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41 generate = 0
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42 exclude = 0
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43 for o, a in opts:
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44 if o == '-v': verbose = verbose+1
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45 if o == '-q': quiet = 1
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46 if o == '-g': generate = 1
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47 if o == '-x': exclude = 1
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48 if generate and verbose>1:
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49 print "-g and more than one -v don't go together!"
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50 sys.exit(2)
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51 good = []
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52 bad = []
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53 skipped = []
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54 if exclude:
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55 nottests[:0] = args
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56 args = []
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57 tests = args or findtests()
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58 test_support.verbose = verbose>1 # Tell tests to be moderately quiet
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59 for test in tests:
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60 if verbose:
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61 print test
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62 ok = runtest(test, generate, verbose>1)
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63 if ok > 0:
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64 good.append(test)
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65 elif ok == 0:
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66 bad.append(test)
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67 else:
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68 if not quiet:
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69 print "test", test,
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70 print "skipped -- an optional feature could not be imported"
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71 skipped.append(test)
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72 if good and not quiet:
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73 if not bad and not skipped and len(good) > 1:
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74 print "All",
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75 print count(len(good), "test"), "OK."
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76 if bad:
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77 print count(len(bad), "test"), "failed:",
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78 print string.join(bad)
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79 if skipped and not quiet:
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80 print count(len(skipped), "test"), "skipped:",
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81 print string.join(skipped)
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82 sys.exit(len(bad) > 0)
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83
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84 stdtests = [
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85 'test_grammar',
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86 'test_opcodes',
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87 'test_operations',
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88 'test_builtin',
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89 'test_exceptions',
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90 'test_types',
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91 ]
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92
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93 nottests = [
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94 'test_support',
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95 'test_b1',
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96 'test_b2',
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97 ]
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98
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99 def findtests():
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100 """Return a list of all applicable test modules."""
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101 testdir = findtestdir()
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102 names = os.listdir(testdir)
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103 tests = []
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104 for name in names:
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105 if name[:5] == "test_" and name[-3:] == ".py":
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106 modname = name[:-3]
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107 if modname not in stdtests and modname not in nottests:
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108 tests.append(modname)
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109 tests.sort()
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110 return stdtests + tests
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111
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112 def runtest(test, generate, verbose2):
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113 test_support.unload(test)
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114 testdir = findtestdir()
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115 outputdir = os.path.join(testdir, "output")
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116 outputfile = os.path.join(outputdir, test)
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117 try:
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118 if generate:
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119 cfp = open(outputfile, "w")
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120 elif verbose2:
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121 cfp = sys.stdout
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122 else:
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123 cfp = Compare(outputfile)
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124 except IOError:
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125 cfp = None
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126 print "Warning: can't open", outputfile
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127 try:
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128 save_stdout = sys.stdout
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129 try:
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130 if cfp:
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131 sys.stdout = cfp
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132 print test # Output file starts with test name
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133 __import__(test)
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134 finally:
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135 sys.stdout = save_stdout
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136 except ImportError, msg:
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137 return -1
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138 except test_support.TestFailed, msg:
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139 print "test", test, "failed --", msg
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140 return 0
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141 except:
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142 print "test", test, "crashed --", sys.exc_type, ":", sys.exc_value
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143 if verbose2:
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144 traceback.print_exc(file=sys.stdout)
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145 return 0
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146 else:
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147 return 1
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148
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149 def findtestdir():
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150 if __name__ == '__main__':
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151 file = sys.argv[0]
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152 else:
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153 file = __file__
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154 testdir = os.path.dirname(file) or os.curdir
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155 return testdir
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156
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157 def count(n, word):
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158 if n == 1:
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159 return "%d %s" % (n, word)
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160 else:
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161 return "%d %ss" % (n, word)
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162
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163 class Compare:
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164
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165 def __init__(self, filename):
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166 self.fp = open(filename, 'r')
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167
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168 def write(self, data):
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169 expected = self.fp.read(len(data))
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170 if data <> expected:
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171 raise test_support.TestFailed, \
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172 'Writing: '+`data`+', expected: '+`expected`
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173
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174 def flush(self):
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175 pass
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176
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177 def close(self):
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178 leftover = self.fp.read()
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179 if leftover:
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180 raise test_support.TestFailed, 'Unread: '+`leftover`
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181 self.fp.close()
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182
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183 def isatty(self):
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184 return 0
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185
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186 if __name__ == '__main__':
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187 main()