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Message #00393
[Merge] lp:~florent.x/pyflakes/1097061-unittest2 into lp:pyflakes
You have been requested to review the proposed merge of lp:~florent.x/pyflakes/1097061-unittest2 into lp:pyflakes.
For more details, see:
https://code.launchpad.net/~florent.x/pyflakes/1097061-unittest2/+merge/142224
Enhancement for continuous integration and coverage of Python version 2.5 (and 3.x in the near future)
--
https://code.launchpad.net/~florent.x/pyflakes/1097061-unittest2/+merge/142224
Your team Divmod-dev is requested to review the proposed merge of lp:~florent.x/pyflakes/1097061-unittest2 into lp:pyflakes.
=== modified file '.travis.yml'
--- .travis.yml 2013-01-07 17:24:54 +0000
+++ .travis.yml 2013-01-08 22:58:19 +0000
@@ -1,13 +1,14 @@
language: python
python:
+ - 2.5
- 2.6
- 2.7
- pypy
install:
- python setup.py install
- - pip install Twisted
+ - pip install unittest2
script:
- - trial pyflakes/test
+ - python -m unittest2 discover
matrix:
allow_failures:
- python: pypy
=== modified file 'pyflakes/test/harness.py'
--- pyflakes/test/harness.py 2010-04-13 14:53:04 +0000
+++ pyflakes/test/harness.py 2013-01-08 22:58:19 +0000
@@ -2,12 +2,12 @@
import textwrap
import _ast
-from twisted.trial import unittest
+import unittest2
from pyflakes import checker
-class Test(unittest.TestCase):
+class Test(unittest2.TestCase):
def flakes(self, input, *expectedOutputs, **kw):
ast = compile(textwrap.dedent(input), "<test>", "exec",
@@ -17,7 +17,7 @@
expectedOutputs = list(expectedOutputs)
outputs.sort()
expectedOutputs.sort()
- self.assert_(outputs == expectedOutputs, '''\
+ self.assertEqual(outputs, expectedOutputs, '''\
for input:
%s
expected outputs:
=== modified file 'pyflakes/test/test_imports.py'
--- pyflakes/test/test_imports.py 2011-10-31 15:19:35 +0000
+++ pyflakes/test/test_imports.py 2013-01-08 22:58:19 +0000
@@ -1,5 +1,6 @@
from sys import version_info
+from unittest2 import skip, skipIf
from pyflakes import messages as m
from pyflakes.test import harness
@@ -446,6 +447,7 @@
self.flakes('import fu; [fu, bar] = fu')
self.flakes('import fu; fu += fu')
+ @skip("todo")
def test_tryingMultipleImports(self):
self.flakes('''
try:
@@ -453,7 +455,6 @@
except ImportError:
import bar as fu
''')
- test_tryingMultipleImports.todo = ''
def test_nonGlobalDoesNotRedefine(self):
self.flakes('''
@@ -479,6 +480,7 @@
fu
''', m.RedefinedWhileUnused)
+ @skip("todo")
def test_importingForImportError(self):
self.flakes('''
try:
@@ -486,8 +488,8 @@
except ImportError:
pass
''')
- test_importingForImportError.todo = ''
+ @skip("todo: requires evaluating attribute access")
def test_importedInClass(self):
'''Imports in class scope can be used through self'''
self.flakes('''
@@ -496,7 +498,6 @@
def __init__(self):
self.i
''')
- test_importedInClass.todo = 'requires evaluating attribute access'
def test_futureImport(self):
'''__future__ is special'''
@@ -639,10 +640,8 @@
"""
Tests for checking of syntax which is valid in PYthon 2.6 and newer.
"""
- if version_info < (2, 6):
- skip = "Python 2.6 required for class decorator tests."
-
-
+
+ @skipIf(version_info < (2, 6), "Python >= 2.6 only")
def test_usedAsClassDecorator(self):
"""
Using an imported name as a class decorator results in no warnings,
=== modified file 'pyflakes/test/test_other.py'
--- pyflakes/test/test_other.py 2011-11-17 16:21:58 +0000
+++ pyflakes/test/test_other.py 2013-01-08 22:58:19 +0000
@@ -6,6 +6,7 @@
"""
from sys import version_info
+from unittest2 import skip, skipIf
from pyflakes import messages as m
from pyflakes.test import harness
@@ -16,6 +17,7 @@
def test_duplicateArgs(self):
self.flakes('def fu(bar, bar): pass', m.DuplicateArgument)
+ @skip("todo: this requires finding all assignments in the function body first")
def test_localReferencedBeforeAssignment(self):
self.flakes('''
a = 1
@@ -23,7 +25,6 @@
a; a=1
f()
''', m.UndefinedName)
- test_localReferencedBeforeAssignment.todo = 'this requires finding all assignments in the function body first'
def test_redefinedFunction(self):
"""
@@ -148,6 +149,7 @@
''', m.RedefinedWhileUnused)
+ @skip("todo: Too hard to make this warn but other cases stay silent")
def test_doubleAssignment(self):
"""
If a variable is re-assigned to without being used, no warning is
@@ -158,8 +160,6 @@
x = 10
x = 20
''', m.RedefinedWhileUnused)
- test_doubleAssignment.todo = (
- "Too hard to make this warn but other cases stay silent")
def test_doubleAssignmentConditionally(self):
@@ -406,14 +406,6 @@
''')
-
-class Python25Test(harness.Test):
- """
- Tests for checking of syntax only available in Python 2.5 and newer.
- """
- if version_info < (2, 5):
- skip = "Python 2.5 required for if-else and with tests"
-
def test_ifexp(self):
"""
Test C{foo if bar else baz} statements.
@@ -627,15 +619,7 @@
pass
''', m.UndefinedName)
-
-
-class Python27Test(harness.Test):
- """
- Tests for checking of syntax only available in Python 2.7 and newer.
- """
- if version_info < (2, 7):
- skip = "Python 2.7 required for dict/set comprehension tests"
-
+ @skipIf(version_info < (2, 7), "Python >= 2.7 only")
def test_dictComprehension(self):
"""
Dict comprehensions are properly handled.
@@ -644,6 +628,7 @@
a = {1: x for x in range(10)}
''')
+ @skipIf(version_info < (2, 7), "Python >= 2.7 only")
def test_setComprehensionAndLiteral(self):
"""
Set comprehensions are properly handled.
=== modified file 'pyflakes/test/test_script.py'
--- pyflakes/test/test_script.py 2012-10-23 11:52:32 +0000
+++ pyflakes/test/test_script.py 2013-01-08 22:58:19 +0000
@@ -4,15 +4,12 @@
import os
import sys
+import shutil
+import subprocess
+import tempfile
from StringIO import StringIO
-from twisted.internet import protocol
-from twisted.internet.utils import (
- _callProtocolWithDeferred,
- getProcessOutputAndValue,
- )
-from twisted.python.filepath import FilePath
-from twisted.trial.unittest import TestCase
+from unittest2 import TestCase
from pyflakes.messages import UnusedImport
from pyflakes.reporter import Reporter
@@ -20,7 +17,7 @@
checkPath,
checkRecursive,
iterSourceCode,
- )
+)
def withStderrTo(stderr, f, *args, **kwargs):
@@ -34,7 +31,6 @@
sys.stderr = outer
-
class LoggingReporter(object):
"""
Implementation of Reporter that just appends any errors to a list.
@@ -67,13 +63,25 @@
Tests for L{iterSourceCode}.
"""
+ def setUp(self):
+ self.tempdir = tempfile.mkdtemp()
+
+ def tearDown(self):
+ shutil.rmtree(self.tempdir)
+
+ def makeEmptyFile(self, *parts):
+ assert parts
+ fpath = os.path.join(self.tempdir, *parts)
+ fd = open(fpath, 'a')
+ fd.close()
+ return fpath
+
+
def test_emptyDirectory(self):
"""
There are no Python files in an empty directory.
"""
- tempdir = FilePath(self.mktemp())
- tempdir.createDirectory()
- self.assertEqual(list(iterSourceCode([tempdir.path])), [])
+ self.assertEqual(list(iterSourceCode([self.tempdir])), [])
def test_singleFile(self):
@@ -81,22 +89,16 @@
If the directory contains one Python file, C{iterSourceCode} will find
it.
"""
- tempdir = FilePath(self.mktemp())
- tempdir.createDirectory()
- tempdir.child('foo.py').touch()
- self.assertEqual(
- list(iterSourceCode([tempdir.path])),
- [tempdir.child('foo.py').path])
+ childpath = self.makeEmptyFile('foo.py')
+ self.assertEqual(list(iterSourceCode([self.tempdir])), [childpath])
def test_onlyPythonSource(self):
"""
Files that are not Python source files are not included.
"""
- tempdir = FilePath(self.mktemp())
- tempdir.createDirectory()
- tempdir.child('foo.pyc').touch()
- self.assertEqual(list(iterSourceCode([tempdir.path])), [])
+ self.makeEmptyFile('foo.pyc')
+ self.assertEqual(list(iterSourceCode([self.tempdir])), [])
def test_recurses(self):
@@ -104,18 +106,14 @@
If the Python files are hidden deep down in child directories, we will
find them.
"""
- tempdir = FilePath(self.mktemp())
- tempdir.createDirectory()
- tempdir.child('foo').createDirectory()
- tempdir.child('foo').child('a.py').touch()
- tempdir.child('bar').createDirectory()
- tempdir.child('bar').child('b.py').touch()
- tempdir.child('c.py').touch()
+ os.mkdir(os.path.join(self.tempdir, 'foo'))
+ apath = self.makeEmptyFile('foo', 'a.py')
+ os.mkdir(os.path.join(self.tempdir, 'bar'))
+ bpath = self.makeEmptyFile('bar', 'b.py')
+ cpath = self.makeEmptyFile('c.py')
self.assertEqual(
- sorted(iterSourceCode([tempdir.path])),
- sorted([tempdir.child('foo').child('a.py').path,
- tempdir.child('bar').child('b.py').path,
- tempdir.child('c.py').path]))
+ sorted(iterSourceCode([self.tempdir])),
+ sorted([apath, bpath, cpath]))
def test_multipleDirectories(self):
@@ -123,18 +121,15 @@
L{iterSourceCode} can be given multiple directories. It will recurse
into each of them.
"""
- tempdir = FilePath(self.mktemp())
- tempdir.createDirectory()
- foo = tempdir.child('foo')
- foo.createDirectory()
- foo.child('a.py').touch()
- bar = tempdir.child('bar')
- bar.createDirectory()
- bar.child('b.py').touch()
+ foopath = os.path.join(self.tempdir, 'foo')
+ barpath = os.path.join(self.tempdir, 'bar')
+ os.mkdir(foopath)
+ apath = self.makeEmptyFile('foo', 'a.py')
+ os.mkdir(barpath)
+ bpath = self.makeEmptyFile('bar', 'b.py')
self.assertEqual(
- sorted(iterSourceCode([foo.path, bar.path])),
- sorted([foo.child('a.py').path,
- bar.child('b.py').path]))
+ sorted(iterSourceCode([foopath, barpath])),
+ sorted([apath, bpath]))
def test_explicitFiles(self):
@@ -142,10 +137,9 @@
If one of the paths given to L{iterSourceCode} is not a directory but
a file, it will include that in its output.
"""
- tempfile = FilePath(self.mktemp())
- tempfile.touch()
- self.assertEqual(list(iterSourceCode([tempfile.path])),
- [tempfile.path])
+ epath = self.makeEmptyFile('e.py')
+ self.assertEqual(list(iterSourceCode([epath])),
+ [epath])
@@ -239,9 +233,11 @@
"""
Make a temporary file containing C{content} and return a path to it.
"""
- path = FilePath(self.mktemp())
- path.setContent(content)
- return path.path
+ _, fpath = tempfile.mkstemp()
+ fd = open(fpath, 'wb')
+ fd.write(content)
+ fd.close()
+ return fpath
def assertHasErrors(self, path, errorList):
@@ -314,8 +310,12 @@
# isn't, something this test was unprepared for has happened.
def evaluate(source):
exec source
- exc = self.assertRaises(SyntaxError, evaluate, source)
- self.assertTrue(exc.text.count('\n') > 1)
+ try:
+ evaluate(source)
+ except SyntaxError, e:
+ self.assertTrue(e.text.count('\n') > 1)
+ else:
+ self.fail()
sourcePath = self.makeTempFile(source)
self.assertHasErrors(
@@ -384,14 +384,13 @@
If the source file is not readable, this is reported on standard
error.
"""
- sourcePath = FilePath(self.mktemp())
- sourcePath.setContent('')
- sourcePath.chmod(0)
- count, errors = self.getErrors(sourcePath.path)
+ sourcePath = self.makeTempFile('')
+ os.chmod(sourcePath, 0)
+ count, errors = self.getErrors(sourcePath)
self.assertEquals(count, 1)
self.assertEquals(
errors,
- [('unexpectedError', sourcePath.path, "Permission denied")])
+ [('unexpectedError', sourcePath, "Permission denied")])
def test_pyflakesWarning(self):
@@ -425,59 +424,25 @@
L{checkRecursive} descends into each directory, finding Python files
and reporting problems.
"""
- tempdir = FilePath(self.mktemp())
- tempdir.createDirectory()
- tempdir.child('foo').createDirectory()
- file1 = tempdir.child('foo').child('bar.py')
- file1.setContent("import baz\n")
- file2 = tempdir.child('baz.py')
- file2.setContent("import contraband")
+ tempdir = tempfile.mkdtemp()
+ os.mkdir(os.path.join(tempdir, 'foo'))
+ file1 = os.path.join(tempdir, 'foo', 'bar.py')
+ fd = open(file1, 'wb')
+ fd.write("import baz\n")
+ fd.close()
+ file2 = os.path.join(tempdir, 'baz.py')
+ fd = open(file2, 'wb')
+ fd.write("import contraband")
+ fd.close()
log = []
reporter = LoggingReporter(log)
- warnings = checkRecursive([tempdir.path], reporter)
+ warnings = checkRecursive([tempdir], reporter)
self.assertEqual(warnings, 2)
self.assertEqual(
sorted(log),
- sorted([('flake', str(UnusedImport(file1.path, 1, 'baz'))),
+ sorted([('flake', str(UnusedImport(file1, 1, 'baz'))),
('flake',
- str(UnusedImport(file2.path, 1, 'contraband')))]))
-
-
-
-class _EverythingGetterWithStdin(protocol.ProcessProtocol):
- """
- C{ProcessProtocol} that writes to stdin and gathers exit code, stdout and
- stderr.
- """
-
- # Although Twisted provides a helper that spawns a subprocess, gathers its
- # exit code, standard output and standard error
- # (i.e. getProcessOutputAndValue), it does *not* provide one that data to
- # be written to stdin first.
-
- def __init__(self, deferred, stdin):
- self.deferred = deferred
- self.outBuf = StringIO()
- self.errBuf = StringIO()
- self.outReceived = self.outBuf.write
- self.errReceived = self.errBuf.write
- self.stdin = stdin
-
-
- def connectionMade(self):
- self.transport.write(self.stdin)
- self.transport.closeStdin()
-
-
- def processEnded(self, reason):
- out = self.outBuf.getvalue()
- err = self.errBuf.getvalue()
- e = reason.value
- code = e.exitCode
- if e.signal:
- code = -e.signal
- self.deferred.callback((out, err, code))
-
+ str(UnusedImport(file2, 1, 'contraband')))]))
class IntegrationTests(TestCase):
@@ -485,13 +450,20 @@
Tests of the pyflakes script that actually spawn the script.
"""
+ def setUp(self):
+ self.tempdir = tempfile.mkdtemp()
+ self.tempfilepath = os.path.join(self.tempdir, 'temp')
+
+ def tearDown(self):
+ shutil.rmtree(self.tempdir)
+
def getPyflakesBinary(self):
"""
Return the path to the pyflakes binary.
"""
import pyflakes
- package_dir = FilePath(pyflakes.__file__).parent()
- return package_dir.sibling('bin').child('pyflakes').path
+ package_dir = os.path.dirname(pyflakes.__file__)
+ return os.path.join(package_dir, '..', 'bin', 'pyflakes')
def runPyflakes(self, paths, stdin=None):
@@ -505,15 +477,18 @@
"""
env = dict(os.environ)
env['PYTHONPATH'] = os.pathsep.join(sys.path)
- command = [self.getPyflakesBinary()]
+ command = [sys.executable, self.getPyflakesBinary()]
command.extend(paths)
if stdin:
- d = _callProtocolWithDeferred(
- lambda d: _EverythingGetterWithStdin(d, stdin),
- sys.executable, command, env=env, path=None)
+ p = subprocess.Popen(command, env=env, stdin=subprocess.PIPE,
+ stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+ (stdout, stderr) = p.communicate(stdin)
else:
- d = getProcessOutputAndValue(sys.executable, command, env=env)
- return d
+ p = subprocess.Popen(command, env=env,
+ stdout=subprocess.PIPE, stderr=subprocess.PIPE)
+ (stdout, stderr) = p.communicate()
+ rv = p.wait()
+ return (stdout, stderr, rv)
def test_goodFile(self):
@@ -521,10 +496,10 @@
When a Python source file is all good, the return code is zero and no
messages are printed to either stdout or stderr.
"""
- tempfile = FilePath(self.mktemp())
- tempfile.touch()
- d = self.runPyflakes([tempfile.path])
- return d.addCallback(self.assertEqual, ('', '', 0))
+ fd = open(self.tempfilepath, 'a')
+ fd.close()
+ d = self.runPyflakes([self.tempfilepath])
+ self.assertEqual(d, ('', '', 0))
def test_fileWithFlakes(self):
@@ -532,12 +507,11 @@
When a Python source file has warnings, the return code is non-zero
and the warnings are printed to stdout.
"""
- tempfile = FilePath(self.mktemp())
- tempfile.setContent("import contraband\n")
- d = self.runPyflakes([tempfile.path])
- return d.addCallback(
- self.assertEqual,
- ("%s\n" % UnusedImport(tempfile.path, 1, 'contraband'), '', 1))
+ fd = open(self.tempfilepath, 'wb')
+ fd.write("import contraband\n")
+ fd.close()
+ d = self.runPyflakes([self.tempfilepath])
+ self.assertEqual(d, ("%s\n" % UnusedImport(self.tempfilepath, 1, 'contraband'), '', 1))
def test_errors(self):
@@ -546,11 +520,8 @@
exist, say), then the return code is non-zero and the errors are
printed to stderr.
"""
- tempfile = FilePath(self.mktemp())
- d = self.runPyflakes([tempfile.path])
- return d.addCallback(
- self.assertEqual,
- ('', '%s: No such file or directory\n' % (tempfile.path,), 1))
+ d = self.runPyflakes([self.tempfilepath])
+ self.assertEqual(d, ('', '%s: No such file or directory\n' % (self.tempfilepath,), 1))
def test_readFromStdin(self):
@@ -558,6 +529,4 @@
If no arguments are passed to C{pyflakes} then it reads from stdin.
"""
d = self.runPyflakes([], stdin='import contraband')
- return d.addCallback(
- self.assertEqual,
- ("%s\n" % UnusedImport('<stdin>', 1, 'contraband'), '', 1))
+ self.assertEqual(d, ("%s\n" % UnusedImport('<stdin>', 1, 'contraband'), '', 1))
=== modified file 'pyflakes/test/test_undefined_names.py'
--- pyflakes/test/test_undefined_names.py 2011-12-04 20:27:45 +0000
+++ pyflakes/test/test_undefined_names.py 2013-01-08 22:58:19 +0000
@@ -1,7 +1,7 @@
from _ast import PyCF_ONLY_AST
-from twisted.trial.unittest import TestCase
+from unittest2 import skip, TestCase
from pyflakes import messages as m, checker
from pyflakes.test import harness
@@ -87,13 +87,13 @@
bar; baz
''')
+ @skip("todo")
def test_definedByGlobal(self):
'''"global" can make an otherwise undefined name in another function defined'''
self.flakes('''
def a(): global fu; fu = 1
def b(): fu
''')
- test_definedByGlobal.todo = ''
def test_globalInGlobalScope(self):
"""
References