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v0.8.1
v0.8.1
https://github.com/python/cpython
Tip revision: 74f4bd53e03ded8408bcc2de67cf0f5a4ac5b1a1 authored by Barry Warsaw on 23 February 2012, 15:59:38 UTC
Bump some more copyright years (as per PEP 101), since this is the first
Bump some more copyright years (as per PEP 101), since this is the first
Tip revision: 74f4bd5
test_pipes.py
import pipes
import os
import string
import unittest
from test.test_support import TESTFN, run_unittest, unlink, TestSkipped
if os.name != 'posix':
raise TestSkipped('pipes module only works on posix')
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):
t = pipes.Template()
t.append(s_command, pipes.STDIN_STDOUT)
f = t.open(TESTFN, 'w')
f.write('hello world #1')
f.close()
self.assertEqual(open(TESTFN).read(), 'HELLO WORLD #1')
def testSimplePipe2(self):
file(TESTFN, 'w').write('hello world #2')
t = pipes.Template()
t.append(s_command + ' < $IN > $OUT', pipes.FILEIN_FILEOUT)
t.copy(TESTFN, TESTFN2)
self.assertEqual(open(TESTFN2).read(), 'HELLO WORLD #2')
def testSimplePipe3(self):
file(TESTFN, 'w').write('hello world #2')
t = pipes.Template()
t.append(s_command + ' < $IN', pipes.FILEIN_STDOUT)
self.assertEqual(t.open(TESTFN, 'r').read(), 'HELLO WORLD #2')
def testEmptyPipeline1(self):
# copy through empty pipe
d = 'empty pipeline test COPY'
file(TESTFN, 'w').write(d)
file(TESTFN2, 'w').write('')
t=pipes.Template()
t.copy(TESTFN, TESTFN2)
self.assertEqual(open(TESTFN2).read(), d)
def testEmptyPipeline2(self):
# read through empty pipe
d = 'empty pipeline test READ'
file(TESTFN, 'w').write(d)
t=pipes.Template()
self.assertEqual(t.open(TESTFN, 'r').read(), d)
def testEmptyPipeline3(self):
# write through empty pipe
d = 'empty pipeline test WRITE'
t = pipes.Template()
t.open(TESTFN, 'w').write(d)
self.assertEqual(open(TESTFN).read(), d)
def testQuoting(self):
safeunquoted = string.ascii_letters + string.digits + '@%_-+=:,./'
unsafe = '"`$\\!'
self.assertEqual(pipes.quote(''), "''")
self.assertEqual(pipes.quote(safeunquoted), safeunquoted)
self.assertEqual(pipes.quote('test file name'), "'test file name'")
for u in unsafe:
self.assertEqual(pipes.quote('test%sname' % u),
"'test%sname'" % u)
for u in unsafe:
self.assertEqual(pipes.quote("test%s'name'" % u),
"'test%s'\"'\"'name'\"'\"''" % u)
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 test_main():
run_unittest(SimplePipeTests)
if __name__ == "__main__":
test_main()