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Issue #21918: Convert test_tools.py to a sub-package of test. 

Merge with 3.4.
This commit is contained in:
Zachary Ware 2014-07-16 14:31:51 -05:00
parent 51af1deb32 2b0a610297
commit 3481e21e98
10 changed files with 283 additions and 195 deletions
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31
Lib/test/test_tools/__init__.py Normal file
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@ -0,0 +1,31 @@
"""Support functions for testing scripts in the Tools directory."""
import os
import unittest
import importlib
from test import support
from fnmatch import fnmatch
basepath = os.path.dirname( # <src/install dir>
os.path.dirname( # Lib
os.path.dirname( # test
os.path.dirname(__file__)))) # test_tools
toolsdir = os.path.join(basepath, 'Tools')
scriptsdir = os.path.join(toolsdir, 'scripts')
def skip_if_missing():
if not os.path.isdir(scriptsdir):
raise unittest.SkipTest('scripts directory could not be found')
def import_tool(toolname):
with support.DirsOnSysPath(scriptsdir):
return importlib.import_module(toolname)
def load_tests(loader, standard_tests, pattern):
this_dir = os.path.dirname(__file__)
if pattern is None:
pattern = "test*"
with support.DirsOnSysPath():
package_tests = loader.discover(start_dir=this_dir, pattern=pattern)
standard_tests.addTests(package_tests)
return standard_tests

4
Lib/test/test_tools/__main__.py Normal file
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@ -0,0 +1,4 @@
from test.test_tools import load_tests
import unittest
unittest.main()

36
Lib/test/test_tools/test_gprof2html.py Normal file
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"""Tests for the gprof2html script in the Tools directory."""
import os
import sys
import importlib
import unittest
from unittest import mock
import tempfile
from test.test_tools import scriptsdir, skip_if_missing, import_tool
skip_if_missing()
class Gprof2htmlTests(unittest.TestCase):
def setUp(self):
self.gprof = import_tool('gprof2html')
oldargv = sys.argv
def fixup():
sys.argv = oldargv
self.addCleanup(fixup)
sys.argv = []
def test_gprof(self):
# Issue #14508: this used to fail with an NameError.
with mock.patch.object(self.gprof, 'webbrowser') as wmock, \
tempfile.TemporaryDirectory() as tmpdir:
fn = os.path.join(tmpdir, 'abc')
open(fn, 'w').close()
sys.argv = ['gprof2html', fn]
self.gprof.main()
self.assertTrue(wmock.open.called)
if __name__ == '__main__':
unittest.main()

77
Lib/test/test_tools/test_md5sum.py Normal file
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@ -0,0 +1,77 @@
"""Tests for the md5sum script in the Tools directory."""
import os
import sys
import unittest
from test import support
from test.script_helper import assert_python_ok, assert_python_failure
from test.test_tools import scriptsdir, import_tool, skip_if_missing
skip_if_missing()
class MD5SumTests(unittest.TestCase):
@classmethod
def setUpClass(cls):
cls.script = os.path.join(scriptsdir, 'md5sum.py')
os.mkdir(support.TESTFN)
cls.fodder = os.path.join(support.TESTFN, 'md5sum.fodder')
with open(cls.fodder, 'wb') as f:
f.write(b'md5sum\r\ntest file\r\n')
cls.fodder_md5 = b'd38dae2eb1ab346a292ef6850f9e1a0d'
cls.fodder_textmode_md5 = b'a8b07894e2ca3f2a4c3094065fa6e0a5'
@classmethod
def tearDownClass(cls):
support.rmtree(support.TESTFN)
def test_noargs(self):
rc, out, err = assert_python_ok(self.script)
self.assertEqual(rc, 0)
self.assertTrue(
out.startswith(b'd41d8cd98f00b204e9800998ecf8427e <stdin>'))
self.assertFalse(err)
def test_checksum_fodder(self):
rc, out, err = assert_python_ok(self.script, self.fodder)
self.assertEqual(rc, 0)
self.assertTrue(out.startswith(self.fodder_md5))
for part in self.fodder.split(os.path.sep):
self.assertIn(part.encode(), out)
self.assertFalse(err)
def test_dash_l(self):
rc, out, err = assert_python_ok(self.script, '-l', self.fodder)
self.assertEqual(rc, 0)
self.assertIn(self.fodder_md5, out)
parts = self.fodder.split(os.path.sep)
self.assertIn(parts[-1].encode(), out)
self.assertNotIn(parts[-2].encode(), out)
def test_dash_t(self):
rc, out, err = assert_python_ok(self.script, '-t', self.fodder)
self.assertEqual(rc, 0)
self.assertTrue(out.startswith(self.fodder_textmode_md5))
self.assertNotIn(self.fodder_md5, out)
def test_dash_s(self):
rc, out, err = assert_python_ok(self.script, '-s', '512', self.fodder)
self.assertEqual(rc, 0)
self.assertIn(self.fodder_md5, out)
def test_multiple_files(self):
rc, out, err = assert_python_ok(self.script, self.fodder, self.fodder)
self.assertEqual(rc, 0)
lines = out.splitlines()
self.assertEqual(len(lines), 2)
self.assertEqual(*lines)
def test_usage(self):
rc, out, err = assert_python_failure(self.script, '-h')
self.assertEqual(rc, 2)
self.assertEqual(out, b'')
self.assertGreater(err, b'')
if __name__ == '__main__':
unittest.main()

34
Lib/test/test_tools/test_pdeps.py Normal file
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@ -0,0 +1,34 @@
"""Tests for the pdeps script in the Tools directory."""
import os
import sys
import unittest
import tempfile
from test import support
from test.test_tools import scriptsdir, skip_if_missing, import_tool
skip_if_missing()
class PdepsTests(unittest.TestCase):
@classmethod
def setUpClass(self):
self.pdeps = import_tool('pdeps')
def test_process_errors(self):
# Issue #14492: m_import.match(line) can be None.
with tempfile.TemporaryDirectory() as tmpdir:
fn = os.path.join(tmpdir, 'foo')
with open(fn, 'w') as stream:
stream.write("#!/this/will/fail")
self.pdeps.process(fn, {})
def test_inverse_attribute_error(self):
# Issue #14492: this used to fail with an AttributeError.
self.pdeps.inverse({'a': []})
if __name__ == '__main__':
unittest.main()

192
Lib/test/test_tools.py → Lib/test/test_tools/test_pindent.py
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@ -1,43 +1,16 @@
"""Tests for scripts in the Tools directory.
This file contains regression tests for some of the scripts found in the
Tools directory of a Python checkout or tarball, such as reindent.py.
"""
"""Tests for the pindent script in the Tools directory."""
import os
import sys
import importlib._bootstrap
import importlib.machinery
import unittest
from unittest import mock
import shutil
import subprocess
import sysconfig
import tempfile
import textwrap
from test import support
from test.script_helper import assert_python_ok, assert_python_failure
from test.script_helper import assert_python_ok
if not sysconfig.is_python_build():
# XXX some installers do contain the tools, should we detect that
# and run the tests in that case too?
raise unittest.SkipTest('test irrelevant for an installed Python')
from test.test_tools import scriptsdir, skip_if_missing
basepath = os.path.join(os.path.dirname(os.path.dirname(os.path.dirname(__file__))),
'Tools')
scriptsdir = os.path.join(basepath, 'scripts')
class ReindentTests(unittest.TestCase):
script = os.path.join(scriptsdir, 'reindent.py')
def test_noargs(self):
assert_python_ok(self.script)
def test_help(self):
rc, out, err = assert_python_ok(self.script, '-h')
self.assertEqual(out, b'')
self.assertGreater(err, b'')
skip_if_missing()
class PindentTests(unittest.TestCase):
@ -362,162 +335,5 @@ class PindentTests(unittest.TestCase):
self.pindent_test(clean, closed)
class TestSundryScripts(unittest.TestCase):
# At least make sure the rest don't have syntax errors. When tests are
# added for a script it should be added to the whitelist below.
# scripts that have independent tests.
whitelist = ['reindent.py', 'pdeps.py', 'gprof2html', 'md5sum.py']
# scripts that can't be imported without running
blacklist = ['make_ctype.py']
# scripts that use windows-only modules
windows_only = ['win_add2path.py']
# blacklisted for other reasons
other = ['analyze_dxp.py']
skiplist = blacklist + whitelist + windows_only + other
def setUp(self):
cm = support.DirsOnSysPath(scriptsdir)
cm.__enter__()
self.addCleanup(cm.__exit__)
def test_sundry(self):
for fn in os.listdir(scriptsdir):
if fn.endswith('.py') and fn not in self.skiplist:
__import__(fn[:-3])
@unittest.skipIf(sys.platform != "win32", "Windows-only test")
def test_sundry_windows(self):
for fn in self.windows_only:
__import__(fn[:-3])
@unittest.skipIf(not support.threading, "test requires _thread module")
def test_analyze_dxp_import(self):
if hasattr(sys, 'getdxp'):
import analyze_dxp
else:
with self.assertRaises(RuntimeError):
import analyze_dxp
class PdepsTests(unittest.TestCase):
@classmethod
def setUpClass(self):
path = os.path.join(scriptsdir, 'pdeps.py')
spec = importlib.util.spec_from_file_location('pdeps', path)
self.pdeps = importlib._bootstrap._load(spec)
@classmethod
def tearDownClass(self):
if 'pdeps' in sys.modules:
del sys.modules['pdeps']
def test_process_errors(self):
# Issue #14492: m_import.match(line) can be None.
with tempfile.TemporaryDirectory() as tmpdir:
fn = os.path.join(tmpdir, 'foo')
with open(fn, 'w') as stream:
stream.write("#!/this/will/fail")
self.pdeps.process(fn, {})
def test_inverse_attribute_error(self):
# Issue #14492: this used to fail with an AttributeError.
self.pdeps.inverse({'a': []})
class Gprof2htmlTests(unittest.TestCase):
def setUp(self):
path = os.path.join(scriptsdir, 'gprof2html.py')
spec = importlib.util.spec_from_file_location('gprof2html', path)
self.gprof = importlib._bootstrap._load(spec)
oldargv = sys.argv
def fixup():
sys.argv = oldargv
self.addCleanup(fixup)
sys.argv = []
def test_gprof(self):
# Issue #14508: this used to fail with an NameError.
with mock.patch.object(self.gprof, 'webbrowser') as wmock, \
tempfile.TemporaryDirectory() as tmpdir:
fn = os.path.join(tmpdir, 'abc')
open(fn, 'w').close()
sys.argv = ['gprof2html', fn]
self.gprof.main()
self.assertTrue(wmock.open.called)
class MD5SumTests(unittest.TestCase):
@classmethod
def setUpClass(cls):
cls.script = os.path.join(scriptsdir, 'md5sum.py')
os.mkdir(support.TESTFN)
cls.fodder = os.path.join(support.TESTFN, 'md5sum.fodder')
with open(cls.fodder, 'wb') as f:
f.write(b'md5sum\r\ntest file\r\n')
cls.fodder_md5 = b'd38dae2eb1ab346a292ef6850f9e1a0d'
cls.fodder_textmode_md5 = b'a8b07894e2ca3f2a4c3094065fa6e0a5'
@classmethod
def tearDownClass(cls):
support.rmtree(support.TESTFN)
def test_noargs(self):
rc, out, err = assert_python_ok(self.script)
self.assertEqual(rc, 0)
self.assertTrue(
out.startswith(b'd41d8cd98f00b204e9800998ecf8427e <stdin>'))
self.assertFalse(err)
def test_checksum_fodder(self):
rc, out, err = assert_python_ok(self.script, self.fodder)
self.assertEqual(rc, 0)
self.assertTrue(out.startswith(self.fodder_md5))
for part in self.fodder.split(os.path.sep):
self.assertIn(part.encode(), out)
self.assertFalse(err)
def test_dash_l(self):
rc, out, err = assert_python_ok(self.script, '-l', self.fodder)
self.assertEqual(rc, 0)
self.assertIn(self.fodder_md5, out)
parts = self.fodder.split(os.path.sep)
self.assertIn(parts[-1].encode(), out)
self.assertNotIn(parts[-2].encode(), out)
def test_dash_t(self):
rc, out, err = assert_python_ok(self.script, '-t', self.fodder)
self.assertEqual(rc, 0)
self.assertTrue(out.startswith(self.fodder_textmode_md5))
self.assertNotIn(self.fodder_md5, out)
def test_dash_s(self):
rc, out, err = assert_python_ok(self.script, '-s', '512', self.fodder)
self.assertEqual(rc, 0)
self.assertIn(self.fodder_md5, out)
def test_multiple_files(self):
rc, out, err = assert_python_ok(self.script, self.fodder, self.fodder)
self.assertEqual(rc, 0)
lines = out.splitlines()
self.assertEqual(len(lines), 2)
self.assertEqual(*lines)
def test_usage(self):
rc, out, err = assert_python_failure(self.script, '-h')
self.assertEqual(rc, 2)
self.assertEqual(out, b'')
self.assertGreater(err, b'')
# Run the tests in Tools/parser/test_unparse.py
with support.DirsOnSysPath(os.path.join(basepath, 'parser')):
from test_unparse import UnparseTestCase
from test_unparse import DirectoryTestCase
if __name__ == '__main__':
unittest.main()

28
Lib/test/test_tools/test_reindent.py Normal file
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@ -0,0 +1,28 @@
"""Tests for scripts in the Tools directory.
This file contains regression tests for some of the scripts found in the
Tools directory of a Python checkout or tarball, such as reindent.py.
"""
import os
import unittest
from test.script_helper import assert_python_ok
from test.test_tools import scriptsdir, skip_if_missing
skip_if_missing()
class ReindentTests(unittest.TestCase):
script = os.path.join(scriptsdir, 'reindent.py')
def test_noargs(self):
assert_python_ok(self.script)
def test_help(self):
rc, out, err = assert_python_ok(self.script, '-h')
self.assertEqual(out, b'')
self.assertGreater(err, b'')
if __name__ == '__main__':
unittest.main()

53
Lib/test/test_tools/test_sundry.py Normal file
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@ -0,0 +1,53 @@
"""Tests for scripts in the Tools directory.
This file contains extremely basic regression tests for the scripts found in
the Tools directory of a Python checkout or tarball which don't have separate
tests of their own, such as h2py.py.
"""
import os
import sys
import unittest
from test import support
from test.test_tools import scriptsdir, import_tool, skip_if_missing
skip_if_missing()
class TestSundryScripts(unittest.TestCase):
# At least make sure the rest don't have syntax errors. When tests are
# added for a script it should be added to the whitelist below.
# scripts that have independent tests.
whitelist = ['reindent', 'pdeps', 'gprof2html', 'md5sum']
# scripts that can't be imported without running
blacklist = ['make_ctype']
# scripts that use windows-only modules
windows_only = ['win_add2path']
# blacklisted for other reasons
other = ['analyze_dxp']
skiplist = blacklist + whitelist + windows_only + other
def test_sundry(self):
for fn in os.listdir(scriptsdir):
name = fn[:-3]
if fn.endswith('.py') and name not in self.skiplist:
import_tool(name)
@unittest.skipIf(sys.platform != "win32", "Windows-only test")
def test_sundry_windows(self):
for name in self.windows_only:
import_tool(name)
@unittest.skipIf(not support.threading, "test requires _thread module")
def test_analyze_dxp_import(self):
if hasattr(sys, 'getdxp'):
import_tool('analyze_dxp')
else:
with self.assertRaises(RuntimeError):
import_tool('analyze_dxp')
if __name__ == '__main__':
unittest.main()

20
Tools/parser/test_unparse.py → Lib/test/test_tools/test_unparse.py
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@ -1,12 +1,22 @@
"""Tests for the unparse.py script in the Tools/parser directory."""
import unittest
import test.support
import io
import os
import random
import tokenize
import unparse
import ast
from test.test_tools import basepath, toolsdir, skip_if_missing
skip_if_missing()
parser_path = os.path.join(toolsdir, "parser")
with test.support.DirsOnSysPath(parser_path):
import unparse
def read_pyfile(filename):
"""Read and return the contents of a Python source file (as a
string), taking into account the file encoding."""
@ -249,11 +259,10 @@ class DirectoryTestCase(ASTTestCase):
def test_files(self):
# get names of files to test
dist_dir = os.path.join(os.path.dirname(__file__), os.pardir, os.pardir)
names = []
for d in self.test_directories:
test_dir = os.path.join(dist_dir, d)
test_dir = os.path.join(basepath, d)
for n in os.listdir(test_dir):
if n.endswith('.py') and not n.startswith('bad'):
names.append(os.path.join(test_dir, n))
@ -269,8 +278,5 @@ class DirectoryTestCase(ASTTestCase):
self.check_roundtrip(source)
def test_main():
test.support.run_unittest(UnparseTestCase, DirectoryTestCase)
if __name__ == '__main__':
test_main()
unittest.main()

3
Misc/NEWS
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@ -698,6 +698,9 @@ Documentation
Tests
-----
- Issue #21918: Converted test_tools from a module to a package containing
separate test files for each tested script.
- Issue #9554: Use modern unittest features in test_argparse. Initial patch by
Denver Coneybeare and Radu Voicilas.