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author | Victor Stinner <vstinner@python.org> | 2023-05-24 11:11:29 (GMT) |
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committer | GitHub <noreply@github.com> | 2023-05-24 11:11:29 (GMT) |
commit | a4b7e9d1f812f2598ac9637d95e986c830bd451b (patch) | |
tree | 1d97192f751efd22ba4fe4ac1131becd23e24cd8 /Lib/test | |
parent | 3e97c001711ab68e3d54d65e264cb5c37fefbec0 (diff) | |
download | cpython-a4b7e9d1f812f2598ac9637d95e986c830bd451b.zip cpython-a4b7e9d1f812f2598ac9637d95e986c830bd451b.tar.gz cpython-a4b7e9d1f812f2598ac9637d95e986c830bd451b.tar.bz2 |
gh-104773: PEP 594: Remove the pipes module (#104848)
Diffstat (limited to 'Lib/test')
-rw-r--r-- | Lib/test/test_pipes.py | 210 |
1 files changed, 0 insertions, 210 deletions
diff --git a/Lib/test/test_pipes.py b/Lib/test/test_pipes.py deleted file mode 100644 index 09e2115..0000000 --- a/Lib/test/test_pipes.py +++ /dev/null @@ -1,210 +0,0 @@ -import os -import string -import unittest -import shutil -from test.support import reap_children, unix_shell -from test.support.os_helper import TESTFN, unlink -from test.support.warnings_helper import import_deprecated - -pipes = import_deprecated("pipes") - - -if os.name != 'posix': - raise unittest.SkipTest('pipes module only works on posix') - -if not (unix_shell and os.path.exists(unix_shell)): - raise unittest.SkipTest('pipes module requires a shell') - -TESTFN2 = TESTFN + "2" - -# tr a-z A-Z is not portable, so make the ranges explicit -s_command = 'tr %s %s' % (string.ascii_lowercase, string.ascii_uppercase) - -class SimplePipeTests(unittest.TestCase): - def tearDown(self): - for f in (TESTFN, TESTFN2): - unlink(f) - - def testSimplePipe1(self): - if shutil.which('tr') is None: - self.skipTest('tr is not available') - t = pipes.Template() - t.append(s_command, pipes.STDIN_STDOUT) - with t.open(TESTFN, 'w') as f: - f.write('hello world #1') - with open(TESTFN) as f: - self.assertEqual(f.read(), 'HELLO WORLD #1') - - def testSimplePipe2(self): - if shutil.which('tr') is None: - self.skipTest('tr is not available') - with open(TESTFN, 'w') as f: - f.write('hello world #2') - t = pipes.Template() - t.append(s_command + ' < $IN > $OUT', pipes.FILEIN_FILEOUT) - t.copy(TESTFN, TESTFN2) - with open(TESTFN2) as f: - self.assertEqual(f.read(), 'HELLO WORLD #2') - - def testSimplePipe3(self): - if shutil.which('tr') is None: - self.skipTest('tr is not available') - with open(TESTFN, 'w') as f: - f.write('hello world #2') - t = pipes.Template() - t.append(s_command + ' < $IN', pipes.FILEIN_STDOUT) - f = t.open(TESTFN, 'r') - try: - self.assertEqual(f.read(), 'HELLO WORLD #2') - finally: - f.close() - - def testEmptyPipeline1(self): - # copy through empty pipe - d = 'empty pipeline test COPY' - with open(TESTFN, 'w') as f: - f.write(d) - with open(TESTFN2, 'w') as f: - f.write('') - t=pipes.Template() - t.copy(TESTFN, TESTFN2) - with open(TESTFN2) as f: - self.assertEqual(f.read(), d) - - def testEmptyPipeline2(self): - # read through empty pipe - d = 'empty pipeline test READ' - with open(TESTFN, 'w') as f: - f.write(d) - t=pipes.Template() - f = t.open(TESTFN, 'r') - try: - self.assertEqual(f.read(), d) - finally: - f.close() - - def testEmptyPipeline3(self): - # write through empty pipe - d = 'empty pipeline test WRITE' - t = pipes.Template() - with t.open(TESTFN, 'w') as f: - f.write(d) - with open(TESTFN) as f: - self.assertEqual(f.read(), d) - - def testRepr(self): - t = pipes.Template() - self.assertEqual(repr(t), "<Template instance, steps=[]>") - t.append('tr a-z A-Z', pipes.STDIN_STDOUT) - self.assertEqual(repr(t), - "<Template instance, steps=[('tr a-z A-Z', '--')]>") - - def testSetDebug(self): - t = pipes.Template() - t.debug(False) - self.assertEqual(t.debugging, False) - t.debug(True) - self.assertEqual(t.debugging, True) - - def testReadOpenSink(self): - # check calling open('r') on a pipe ending with - # a sink raises ValueError - t = pipes.Template() - t.append('boguscmd', pipes.SINK) - self.assertRaises(ValueError, t.open, 'bogusfile', 'r') - - def testWriteOpenSource(self): - # check calling open('w') on a pipe ending with - # a source raises ValueError - t = pipes.Template() - t.prepend('boguscmd', pipes.SOURCE) - self.assertRaises(ValueError, t.open, 'bogusfile', 'w') - - def testBadAppendOptions(self): - t = pipes.Template() - - # try a non-string command - self.assertRaises(TypeError, t.append, 7, pipes.STDIN_STDOUT) - - # try a type that isn't recognized - self.assertRaises(ValueError, t.append, 'boguscmd', 'xx') - - # shouldn't be able to append a source - self.assertRaises(ValueError, t.append, 'boguscmd', pipes.SOURCE) - - # check appending two sinks - t = pipes.Template() - t.append('boguscmd', pipes.SINK) - self.assertRaises(ValueError, t.append, 'boguscmd', pipes.SINK) - - # command needing file input but with no $IN - t = pipes.Template() - self.assertRaises(ValueError, t.append, 'boguscmd $OUT', - pipes.FILEIN_FILEOUT) - t = pipes.Template() - self.assertRaises(ValueError, t.append, 'boguscmd', - pipes.FILEIN_STDOUT) - - # command needing file output but with no $OUT - t = pipes.Template() - self.assertRaises(ValueError, t.append, 'boguscmd $IN', - pipes.FILEIN_FILEOUT) - t = pipes.Template() - self.assertRaises(ValueError, t.append, 'boguscmd', - pipes.STDIN_FILEOUT) - - - def testBadPrependOptions(self): - t = pipes.Template() - - # try a non-string command - self.assertRaises(TypeError, t.prepend, 7, pipes.STDIN_STDOUT) - - # try a type that isn't recognized - self.assertRaises(ValueError, t.prepend, 'tr a-z A-Z', 'xx') - - # shouldn't be able to prepend a sink - self.assertRaises(ValueError, t.prepend, 'boguscmd', pipes.SINK) - - # check prepending two sources - t = pipes.Template() - t.prepend('boguscmd', pipes.SOURCE) - self.assertRaises(ValueError, t.prepend, 'boguscmd', pipes.SOURCE) - - # command needing file input but with no $IN - t = pipes.Template() - self.assertRaises(ValueError, t.prepend, 'boguscmd $OUT', - pipes.FILEIN_FILEOUT) - t = pipes.Template() - self.assertRaises(ValueError, t.prepend, 'boguscmd', - pipes.FILEIN_STDOUT) - - # command needing file output but with no $OUT - t = pipes.Template() - self.assertRaises(ValueError, t.prepend, 'boguscmd $IN', - pipes.FILEIN_FILEOUT) - t = pipes.Template() - self.assertRaises(ValueError, t.prepend, 'boguscmd', - pipes.STDIN_FILEOUT) - - def testBadOpenMode(self): - t = pipes.Template() - self.assertRaises(ValueError, t.open, 'bogusfile', 'x') - - def testClone(self): - t = pipes.Template() - t.append('tr a-z A-Z', pipes.STDIN_STDOUT) - - u = t.clone() - self.assertNotEqual(id(t), id(u)) - self.assertEqual(t.steps, u.steps) - self.assertNotEqual(id(t.steps), id(u.steps)) - self.assertEqual(t.debugging, u.debugging) - - -def tearDownModule(): - reap_children() - - -if __name__ == "__main__": - unittest.main() |