Mercurial > cpython-lru_cache-weakref

annotate Lib/test/test_StringIO.py @ 33845:032f342efcd2 legacy-trunk

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Very few little improvements.
author Facundo Batista <facundobatista@gmail.com>
date Tue, 26 Oct 2004 23:38:46 +0000
parents db1bafa9b656
children a8c979cc4fa6
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
rev   line source
14688
d6ffb6d7fe8a New test cases for the StringIO module
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
1 # Tests StringIO and cStringIO
d6ffb6d7fe8a New test cases for the StringIO module
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
2
20030
6378cb117b73 Converted test_StringIO.py to use unittest, so
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
3 import unittest
6378cb117b73 Converted test_StringIO.py to use unittest, so
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
4 import StringIO
6378cb117b73 Converted test_StringIO.py to use unittest, so
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
5 import cStringIO
6378cb117b73 Converted test_StringIO.py to use unittest, so
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
6 import types
24364
aa0d2d51fbde Get rid of relative imports in all unittests. Now anything that
Barry Warsaw <barry@python.org>
parents: 23432
diff changeset
7 from test import test_support
20030
6378cb117b73 Converted test_StringIO.py to use unittest, so
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
8
6378cb117b73 Converted test_StringIO.py to use unittest, so
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
9
6378cb117b73 Converted test_StringIO.py to use unittest, so
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
10 class TestGenericStringIO(unittest.TestCase):
6378cb117b73 Converted test_StringIO.py to use unittest, so
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
11 # use a class variable MODULE to define which module is being tested
6378cb117b73 Converted test_StringIO.py to use unittest, so
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
12
20060
ccec02bfe9a0 StringIO patch #462596: let's [c]StringIO accept read buffers on
Marc-André Lemburg <mal@egenix.com>
parents: 20030
diff changeset
13 # Line of data to test as string
ccec02bfe9a0 StringIO patch #462596: let's [c]StringIO accept read buffers on
Marc-André Lemburg <mal@egenix.com>
parents: 20030
diff changeset
14 _line = 'abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ!'
ccec02bfe9a0 StringIO patch #462596: let's [c]StringIO accept read buffers on
Marc-André Lemburg <mal@egenix.com>
parents: 20030
diff changeset
15
ccec02bfe9a0 StringIO patch #462596: let's [c]StringIO accept read buffers on
Marc-André Lemburg <mal@egenix.com>
parents: 20030
diff changeset
16 # Constructor to use for the test data (._line is passed to this
ccec02bfe9a0 StringIO patch #462596: let's [c]StringIO accept read buffers on
Marc-André Lemburg <mal@egenix.com>
parents: 20030
diff changeset
17 # constructor)
ccec02bfe9a0 StringIO patch #462596: let's [c]StringIO accept read buffers on
Marc-André Lemburg <mal@egenix.com>
parents: 20030
diff changeset
18 constructor = str
ccec02bfe9a0 StringIO patch #462596: let's [c]StringIO accept read buffers on
Marc-André Lemburg <mal@egenix.com>
parents: 20030
diff changeset
19
20030
6378cb117b73 Converted test_StringIO.py to use unittest, so
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
20 def setUp(self):
20060
ccec02bfe9a0 StringIO patch #462596: let's [c]StringIO accept read buffers on
Marc-André Lemburg <mal@egenix.com>
parents: 20030
diff changeset
21 self._line = self.constructor(self._line)
ccec02bfe9a0 StringIO patch #462596: let's [c]StringIO accept read buffers on
Marc-André Lemburg <mal@egenix.com>
parents: 20030
diff changeset
22 self._lines = self.constructor((self._line + '\n') * 5)
20030
6378cb117b73 Converted test_StringIO.py to use unittest, so
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
23 self._fp = self.MODULE.StringIO(self._lines)
14688
d6ffb6d7fe8a New test cases for the StringIO module
Martin v. Löwis <martin@v.loewis.de>
parents:
diff changeset
24
20030
6378cb117b73 Converted test_StringIO.py to use unittest, so
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
25 def test_reads(self):
6378cb117b73 Converted test_StringIO.py to use unittest, so
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
26 eq = self.assertEqual
20060
ccec02bfe9a0 StringIO patch #462596: let's [c]StringIO accept read buffers on
Marc-André Lemburg <mal@egenix.com>
parents: 20030
diff changeset
27 eq(self._fp.read(10), self._line[:10])
ccec02bfe9a0 StringIO patch #462596: let's [c]StringIO accept read buffers on
Marc-André Lemburg <mal@egenix.com>
parents: 20030
diff changeset
28 eq(self._fp.readline(), self._line[10:] + '\n')
20030
6378cb117b73 Converted test_StringIO.py to use unittest, so
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
29 eq(len(self._fp.readlines(60)), 2)
16546
60a2e99c863b In O_writelines: Replace use of string.joinfields with "".join.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15175
diff changeset
30
20030
6378cb117b73 Converted test_StringIO.py to use unittest, so
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
31 def test_writes(self):
6378cb117b73 Converted test_StringIO.py to use unittest, so
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
32 f = self.MODULE.StringIO()
20060
ccec02bfe9a0 StringIO patch #462596: let's [c]StringIO accept read buffers on
Marc-André Lemburg <mal@egenix.com>
parents: 20030
diff changeset
33 f.write(self._line[:6])
20030
6378cb117b73 Converted test_StringIO.py to use unittest, so
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
34 f.seek(3)
20060
ccec02bfe9a0 StringIO patch #462596: let's [c]StringIO accept read buffers on
Marc-André Lemburg <mal@egenix.com>
parents: 20030
diff changeset
35 f.write(self._line[20:26])
ccec02bfe9a0 StringIO patch #462596: let's [c]StringIO accept read buffers on
Marc-André Lemburg <mal@egenix.com>
parents: 20030
diff changeset
36 f.write(self._line[52])
20030
6378cb117b73 Converted test_StringIO.py to use unittest, so
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
37 self.assertEqual(f.getvalue(), 'abcuvwxyz!')
6378cb117b73 Converted test_StringIO.py to use unittest, so
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
38
6378cb117b73 Converted test_StringIO.py to use unittest, so
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
39 def test_writelines(self):
6378cb117b73 Converted test_StringIO.py to use unittest, so
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
40 f = self.MODULE.StringIO()
20060
ccec02bfe9a0 StringIO patch #462596: let's [c]StringIO accept read buffers on
Marc-André Lemburg <mal@egenix.com>
parents: 20030
diff changeset
41 f.writelines([self._line[0], self._line[1], self._line[2]])
20030
6378cb117b73 Converted test_StringIO.py to use unittest, so
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
42 f.seek(0)
6378cb117b73 Converted test_StringIO.py to use unittest, so
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
43 self.assertEqual(f.getvalue(), 'abc')
16546
60a2e99c863b In O_writelines: Replace use of string.joinfields with "".join.
Jeremy Hylton <jeremy@alum.mit.edu>
parents: 15175
diff changeset
44
20030
6378cb117b73 Converted test_StringIO.py to use unittest, so
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
45 def test_truncate(self):
6378cb117b73 Converted test_StringIO.py to use unittest, so
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
46 eq = self.assertEqual
6378cb117b73 Converted test_StringIO.py to use unittest, so
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
47 f = self.MODULE.StringIO()
6378cb117b73 Converted test_StringIO.py to use unittest, so
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
48 f.write(self._lines)
6378cb117b73 Converted test_StringIO.py to use unittest, so
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
49 f.seek(10)
6378cb117b73 Converted test_StringIO.py to use unittest, so
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
50 f.truncate()
6378cb117b73 Converted test_StringIO.py to use unittest, so
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
51 eq(f.getvalue(), 'abcdefghij')
6378cb117b73 Converted test_StringIO.py to use unittest, so
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
52 f.truncate(5)
6378cb117b73 Converted test_StringIO.py to use unittest, so
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
53 eq(f.getvalue(), 'abcde')
33213
db1bafa9b656 Patch 1012740: cStringIO's truncate doesn't
Tim Peters <tim.peters@gmail.com>
parents: 30096
diff changeset
54 f.write('xyz')
db1bafa9b656 Patch 1012740: cStringIO's truncate doesn't
Tim Peters <tim.peters@gmail.com>
parents: 30096
diff changeset
55 eq(f.getvalue(), 'abcdexyz')
20030
6378cb117b73 Converted test_StringIO.py to use unittest, so
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
56 f.close()
6378cb117b73 Converted test_StringIO.py to use unittest, so
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
57 self.assertRaises(ValueError, f.write, 'frobnitz')
14905
45967ff1b6dc Added some tests for the truncate() method; one is commented out because
Fred Drake <fdrake@acm.org>
parents: 14688
diff changeset
58
30096
06016d5d81d7 SF bug #770485: cStringIO does not set closed attr
Raymond Hettinger <python@rcn.com>
parents: 28917
diff changeset
59 def test_closed_flag(self):
06016d5d81d7 SF bug #770485: cStringIO does not set closed attr
Raymond Hettinger <python@rcn.com>
parents: 28917
diff changeset
60 f = self.MODULE.StringIO()
06016d5d81d7 SF bug #770485: cStringIO does not set closed attr
Raymond Hettinger <python@rcn.com>
parents: 28917
diff changeset
61 self.assertEqual(f.closed, False)
06016d5d81d7 SF bug #770485: cStringIO does not set closed attr
Raymond Hettinger <python@rcn.com>
parents: 28917
diff changeset
62 f.close()
06016d5d81d7 SF bug #770485: cStringIO does not set closed attr
Raymond Hettinger <python@rcn.com>
parents: 28917
diff changeset
63 self.assertEqual(f.closed, True)
06016d5d81d7 SF bug #770485: cStringIO does not set closed attr
Raymond Hettinger <python@rcn.com>
parents: 28917
diff changeset
64 f = self.MODULE.StringIO("abc")
06016d5d81d7 SF bug #770485: cStringIO does not set closed attr
Raymond Hettinger <python@rcn.com>
parents: 28917
diff changeset
65 self.assertEqual(f.closed, False)
06016d5d81d7 SF bug #770485: cStringIO does not set closed attr
Raymond Hettinger <python@rcn.com>
parents: 28917
diff changeset
66 f.close()
06016d5d81d7 SF bug #770485: cStringIO does not set closed attr
Raymond Hettinger <python@rcn.com>
parents: 28917
diff changeset
67 self.assertEqual(f.closed, True)
06016d5d81d7 SF bug #770485: cStringIO does not set closed attr
Raymond Hettinger <python@rcn.com>
parents: 28917
diff changeset
68
20030
6378cb117b73 Converted test_StringIO.py to use unittest, so
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
69 def test_iterator(self):
6378cb117b73 Converted test_StringIO.py to use unittest, so
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
70 eq = self.assertEqual
20096
19abc339d3fc test_iterator(): Don't do a type comparison to see if it's an
Barry Warsaw <barry@python.org>
parents: 20060
diff changeset
71 unless = self.failUnless
28772
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 24364
diff changeset
72 eq(iter(self._fp), self._fp)
20096
19abc339d3fc test_iterator(): Don't do a type comparison to see if it's an
Barry Warsaw <barry@python.org>
parents: 20060
diff changeset
73 # Does this object support the iteration protocol?
28772
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 24364
diff changeset
74 unless(hasattr(self._fp, '__iter__'))
0ea5991f6edb SF patch 695710: fix bug 678519: cStringIO self iterator
Raymond Hettinger <python@rcn.com>
parents: 24364
diff changeset
75 unless(hasattr(self._fp, 'next'))
20030
6378cb117b73 Converted test_StringIO.py to use unittest, so
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
76 i = 0
6378cb117b73 Converted test_StringIO.py to use unittest, so
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
77 for line in self._fp:
6378cb117b73 Converted test_StringIO.py to use unittest, so
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
78 eq(line, self._line + '\n')
6378cb117b73 Converted test_StringIO.py to use unittest, so
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
79 i += 1
6378cb117b73 Converted test_StringIO.py to use unittest, so
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
80 eq(i, 5)
6378cb117b73 Converted test_StringIO.py to use unittest, so
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
81
6378cb117b73 Converted test_StringIO.py to use unittest, so
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
82 class TestStringIO(TestGenericStringIO):
6378cb117b73 Converted test_StringIO.py to use unittest, so
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
83 MODULE = StringIO
6378cb117b73 Converted test_StringIO.py to use unittest, so
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
84
21656
6b0e16cb65d5 Restore Python 2.1 StringIO.py behaviour: support concatenating
Marc-André Lemburg <mal@egenix.com>
parents: 21320
diff changeset
85 def test_unicode(self):
6b0e16cb65d5 Restore Python 2.1 StringIO.py behaviour: support concatenating
Marc-André Lemburg <mal@egenix.com>
parents: 21320
diff changeset
86
23432
56240bcda88c Make StringIO work in --disable-unicode builds...
Michael W. Hudson <mwh@python.net>
parents: 21958
diff changeset
87 if not test_support.have_unicode: return
56240bcda88c Make StringIO work in --disable-unicode builds...
Michael W. Hudson <mwh@python.net>
parents: 21958
diff changeset
88
21656
6b0e16cb65d5 Restore Python 2.1 StringIO.py behaviour: support concatenating
Marc-André Lemburg <mal@egenix.com>
parents: 21320
diff changeset
89 # The StringIO module also supports concatenating Unicode
6b0e16cb65d5 Restore Python 2.1 StringIO.py behaviour: support concatenating
Marc-André Lemburg <mal@egenix.com>
parents: 21320
diff changeset
90 # snippets to larger Unicode strings. This is tested by this
6b0e16cb65d5 Restore Python 2.1 StringIO.py behaviour: support concatenating
Marc-André Lemburg <mal@egenix.com>
parents: 21320
diff changeset
91 # method. Note that cStringIO does not support this extension.
21958
5ed782bdbb2a Whitespace normalization.
Tim Peters <tim.peters@gmail.com>
parents: 21656
diff changeset
92
21656
6b0e16cb65d5 Restore Python 2.1 StringIO.py behaviour: support concatenating
Marc-André Lemburg <mal@egenix.com>
parents: 21320
diff changeset
93 f = self.MODULE.StringIO()
6b0e16cb65d5 Restore Python 2.1 StringIO.py behaviour: support concatenating
Marc-André Lemburg <mal@egenix.com>
parents: 21320
diff changeset
94 f.write(self._line[:6])
6b0e16cb65d5 Restore Python 2.1 StringIO.py behaviour: support concatenating
Marc-André Lemburg <mal@egenix.com>
parents: 21320
diff changeset
95 f.seek(3)
6b0e16cb65d5 Restore Python 2.1 StringIO.py behaviour: support concatenating
Marc-André Lemburg <mal@egenix.com>
parents: 21320
diff changeset
96 f.write(unicode(self._line[20:26]))
6b0e16cb65d5 Restore Python 2.1 StringIO.py behaviour: support concatenating
Marc-André Lemburg <mal@egenix.com>
parents: 21320
diff changeset
97 f.write(unicode(self._line[52]))
6b0e16cb65d5 Restore Python 2.1 StringIO.py behaviour: support concatenating
Marc-André Lemburg <mal@egenix.com>
parents: 21320
diff changeset
98 s = f.getvalue()
6b0e16cb65d5 Restore Python 2.1 StringIO.py behaviour: support concatenating
Marc-André Lemburg <mal@egenix.com>
parents: 21320
diff changeset
99 self.assertEqual(s, unicode('abcuvwxyz!'))
6b0e16cb65d5 Restore Python 2.1 StringIO.py behaviour: support concatenating
Marc-André Lemburg <mal@egenix.com>
parents: 21320
diff changeset
100 self.assertEqual(type(s), types.UnicodeType)
6b0e16cb65d5 Restore Python 2.1 StringIO.py behaviour: support concatenating
Marc-André Lemburg <mal@egenix.com>
parents: 21320
diff changeset
101
20030
6378cb117b73 Converted test_StringIO.py to use unittest, so
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
102 class TestcStringIO(TestGenericStringIO):
6378cb117b73 Converted test_StringIO.py to use unittest, so
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
103 MODULE = cStringIO
6378cb117b73 Converted test_StringIO.py to use unittest, so
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
104
21320
60df2bf854ac A workaround for the missing buffer() builtin in jython.
Finn Bock <bckfnn@worldonline.dk>
parents: 20096
diff changeset
105 import sys
60df2bf854ac A workaround for the missing buffer() builtin in jython.
Finn Bock <bckfnn@worldonline.dk>
parents: 20096
diff changeset
106 if sys.platform.startswith('java'):
60df2bf854ac A workaround for the missing buffer() builtin in jython.
Finn Bock <bckfnn@worldonline.dk>
parents: 20096
diff changeset
107 # Jython doesn't have a buffer object, so we just do a useless
60df2bf854ac A workaround for the missing buffer() builtin in jython.
Finn Bock <bckfnn@worldonline.dk>
parents: 20096
diff changeset
108 # fake of the buffer tests.
60df2bf854ac A workaround for the missing buffer() builtin in jython.
Finn Bock <bckfnn@worldonline.dk>
parents: 20096
diff changeset
109 buffer = str
60df2bf854ac A workaround for the missing buffer() builtin in jython.
Finn Bock <bckfnn@worldonline.dk>
parents: 20096
diff changeset
110
20060
ccec02bfe9a0 StringIO patch #462596: let's [c]StringIO accept read buffers on
Marc-André Lemburg <mal@egenix.com>
parents: 20030
diff changeset
111 class TestBufferStringIO(TestStringIO):
ccec02bfe9a0 StringIO patch #462596: let's [c]StringIO accept read buffers on
Marc-André Lemburg <mal@egenix.com>
parents: 20030
diff changeset
112 constructor = buffer
ccec02bfe9a0 StringIO patch #462596: let's [c]StringIO accept read buffers on
Marc-André Lemburg <mal@egenix.com>
parents: 20030
diff changeset
113
ccec02bfe9a0 StringIO patch #462596: let's [c]StringIO accept read buffers on
Marc-André Lemburg <mal@egenix.com>
parents: 20030
diff changeset
114 class TestBuffercStringIO(TestcStringIO):
ccec02bfe9a0 StringIO patch #462596: let's [c]StringIO accept read buffers on
Marc-André Lemburg <mal@egenix.com>
parents: 20030
diff changeset
115 constructor = buffer
ccec02bfe9a0 StringIO patch #462596: let's [c]StringIO accept read buffers on
Marc-André Lemburg <mal@egenix.com>
parents: 20030
diff changeset
116
20030
6378cb117b73 Converted test_StringIO.py to use unittest, so
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
117
6378cb117b73 Converted test_StringIO.py to use unittest, so
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
118 def test_main():
28917
1741af48fd9f Combine the functionality of test_support.run_unittest()
Walter Dörwald <walter@livinglogic.de>
parents: 28772
diff changeset
119 test_support.run_unittest(
1741af48fd9f Combine the functionality of test_support.run_unittest()
Walter Dörwald <walter@livinglogic.de>
parents: 28772
diff changeset
120 TestStringIO,
1741af48fd9f Combine the functionality of test_support.run_unittest()
Walter Dörwald <walter@livinglogic.de>
parents: 28772
diff changeset
121 TestcStringIO,
1741af48fd9f Combine the functionality of test_support.run_unittest()
Walter Dörwald <walter@livinglogic.de>
parents: 28772
diff changeset
122 TestBufferStringIO,
1741af48fd9f Combine the functionality of test_support.run_unittest()
Walter Dörwald <walter@livinglogic.de>
parents: 28772
diff changeset
123 TestBuffercStringIO
1741af48fd9f Combine the functionality of test_support.run_unittest()
Walter Dörwald <walter@livinglogic.de>
parents: 28772
diff changeset
124 )
20030
6378cb117b73 Converted test_StringIO.py to use unittest, so
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
125
6378cb117b73 Converted test_StringIO.py to use unittest, so
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
126 if __name__ == '__main__':
6378cb117b73 Converted test_StringIO.py to use unittest, so
Barry Warsaw <barry@python.org>
parents: 16546
diff changeset
127 test_main()