mirror of
https://github.com/python/cpython.git
synced 2025-10-31 10:26:02 +00:00
464 lines
12 KiB
Python
464 lines
12 KiB
Python
"""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 sys
|
|
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, temp_dir
|
|
|
|
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')
|
|
|
|
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'')
|
|
|
|
|
|
class PindentTests(unittest.TestCase):
|
|
script = os.path.join(scriptsdir, 'pindent.py')
|
|
|
|
def assertFileEqual(self, fn1, fn2):
|
|
with open(fn1) as f1, open(fn2) as f2:
|
|
self.assertEqual(f1.readlines(), f2.readlines())
|
|
|
|
def pindent(self, source, *args):
|
|
with subprocess.Popen(
|
|
(sys.executable, self.script) + args,
|
|
stdin=subprocess.PIPE, stdout=subprocess.PIPE,
|
|
universal_newlines=True) as proc:
|
|
out, err = proc.communicate(source)
|
|
self.assertIsNone(err)
|
|
return out
|
|
|
|
def lstriplines(self, data):
|
|
return '\n'.join(line.lstrip() for line in data.splitlines()) + '\n'
|
|
|
|
def test_selftest(self):
|
|
self.maxDiff = None
|
|
with temp_dir() as directory:
|
|
data_path = os.path.join(directory, '_test.py')
|
|
with open(self.script) as f:
|
|
closed = f.read()
|
|
with open(data_path, 'w') as f:
|
|
f.write(closed)
|
|
|
|
rc, out, err = assert_python_ok(self.script, '-d', data_path)
|
|
self.assertEqual(out, b'')
|
|
self.assertEqual(err, b'')
|
|
backup = data_path + '~'
|
|
self.assertTrue(os.path.exists(backup))
|
|
with open(backup) as f:
|
|
self.assertEqual(f.read(), closed)
|
|
with open(data_path) as f:
|
|
clean = f.read()
|
|
compile(clean, '_test.py', 'exec')
|
|
self.assertEqual(self.pindent(clean, '-c'), closed)
|
|
self.assertEqual(self.pindent(closed, '-d'), clean)
|
|
|
|
rc, out, err = assert_python_ok(self.script, '-c', data_path)
|
|
self.assertEqual(out, b'')
|
|
self.assertEqual(err, b'')
|
|
with open(backup) as f:
|
|
self.assertEqual(f.read(), clean)
|
|
with open(data_path) as f:
|
|
self.assertEqual(f.read(), closed)
|
|
|
|
broken = self.lstriplines(closed)
|
|
with open(data_path, 'w') as f:
|
|
f.write(broken)
|
|
rc, out, err = assert_python_ok(self.script, '-r', data_path)
|
|
self.assertEqual(out, b'')
|
|
self.assertEqual(err, b'')
|
|
with open(backup) as f:
|
|
self.assertEqual(f.read(), broken)
|
|
with open(data_path) as f:
|
|
indented = f.read()
|
|
compile(indented, '_test.py', 'exec')
|
|
self.assertEqual(self.pindent(broken, '-r'), indented)
|
|
|
|
def pindent_test(self, clean, closed):
|
|
self.assertEqual(self.pindent(clean, '-c'), closed)
|
|
self.assertEqual(self.pindent(closed, '-d'), clean)
|
|
broken = self.lstriplines(closed)
|
|
self.assertEqual(self.pindent(broken, '-r', '-e', '-s', '4'), closed)
|
|
|
|
def test_statements(self):
|
|
clean = textwrap.dedent("""\
|
|
if a:
|
|
pass
|
|
|
|
if a:
|
|
pass
|
|
else:
|
|
pass
|
|
|
|
if a:
|
|
pass
|
|
elif:
|
|
pass
|
|
else:
|
|
pass
|
|
|
|
while a:
|
|
break
|
|
|
|
while a:
|
|
break
|
|
else:
|
|
pass
|
|
|
|
for i in a:
|
|
break
|
|
|
|
for i in a:
|
|
break
|
|
else:
|
|
pass
|
|
|
|
try:
|
|
pass
|
|
finally:
|
|
pass
|
|
|
|
try:
|
|
pass
|
|
except TypeError:
|
|
pass
|
|
except ValueError:
|
|
pass
|
|
else:
|
|
pass
|
|
|
|
try:
|
|
pass
|
|
except TypeError:
|
|
pass
|
|
except ValueError:
|
|
pass
|
|
finally:
|
|
pass
|
|
|
|
with a:
|
|
pass
|
|
|
|
class A:
|
|
pass
|
|
|
|
def f():
|
|
pass
|
|
""")
|
|
|
|
closed = textwrap.dedent("""\
|
|
if a:
|
|
pass
|
|
# end if
|
|
|
|
if a:
|
|
pass
|
|
else:
|
|
pass
|
|
# end if
|
|
|
|
if a:
|
|
pass
|
|
elif:
|
|
pass
|
|
else:
|
|
pass
|
|
# end if
|
|
|
|
while a:
|
|
break
|
|
# end while
|
|
|
|
while a:
|
|
break
|
|
else:
|
|
pass
|
|
# end while
|
|
|
|
for i in a:
|
|
break
|
|
# end for
|
|
|
|
for i in a:
|
|
break
|
|
else:
|
|
pass
|
|
# end for
|
|
|
|
try:
|
|
pass
|
|
finally:
|
|
pass
|
|
# end try
|
|
|
|
try:
|
|
pass
|
|
except TypeError:
|
|
pass
|
|
except ValueError:
|
|
pass
|
|
else:
|
|
pass
|
|
# end try
|
|
|
|
try:
|
|
pass
|
|
except TypeError:
|
|
pass
|
|
except ValueError:
|
|
pass
|
|
finally:
|
|
pass
|
|
# end try
|
|
|
|
with a:
|
|
pass
|
|
# end with
|
|
|
|
class A:
|
|
pass
|
|
# end class A
|
|
|
|
def f():
|
|
pass
|
|
# end def f
|
|
""")
|
|
self.pindent_test(clean, closed)
|
|
|
|
def test_multilevel(self):
|
|
clean = textwrap.dedent("""\
|
|
def foobar(a, b):
|
|
if a == b:
|
|
a = a+1
|
|
elif a < b:
|
|
b = b-1
|
|
if b > a: a = a-1
|
|
else:
|
|
print 'oops!'
|
|
""")
|
|
closed = textwrap.dedent("""\
|
|
def foobar(a, b):
|
|
if a == b:
|
|
a = a+1
|
|
elif a < b:
|
|
b = b-1
|
|
if b > a: a = a-1
|
|
# end if
|
|
else:
|
|
print 'oops!'
|
|
# end if
|
|
# end def foobar
|
|
""")
|
|
self.pindent_test(clean, closed)
|
|
|
|
def test_preserve_indents(self):
|
|
clean = textwrap.dedent("""\
|
|
if a:
|
|
if b:
|
|
pass
|
|
""")
|
|
closed = textwrap.dedent("""\
|
|
if a:
|
|
if b:
|
|
pass
|
|
# end if
|
|
# end if
|
|
""")
|
|
self.assertEqual(self.pindent(clean, '-c'), closed)
|
|
self.assertEqual(self.pindent(closed, '-d'), clean)
|
|
broken = self.lstriplines(closed)
|
|
self.assertEqual(self.pindent(broken, '-r', '-e', '-s', '9'), closed)
|
|
clean = textwrap.dedent("""\
|
|
if a:
|
|
\tif b:
|
|
\t\tpass
|
|
""")
|
|
closed = textwrap.dedent("""\
|
|
if a:
|
|
\tif b:
|
|
\t\tpass
|
|
\t# end if
|
|
# end if
|
|
""")
|
|
self.assertEqual(self.pindent(clean, '-c'), closed)
|
|
self.assertEqual(self.pindent(closed, '-d'), clean)
|
|
broken = self.lstriplines(closed)
|
|
self.assertEqual(self.pindent(broken, '-r'), closed)
|
|
|
|
def test_escaped_newline(self):
|
|
clean = textwrap.dedent("""\
|
|
class\\
|
|
\\
|
|
A:
|
|
def\
|
|
\\
|
|
f:
|
|
pass
|
|
""")
|
|
closed = textwrap.dedent("""\
|
|
class\\
|
|
\\
|
|
A:
|
|
def\
|
|
\\
|
|
f:
|
|
pass
|
|
# end def f
|
|
# end class A
|
|
""")
|
|
self.assertEqual(self.pindent(clean, '-c'), closed)
|
|
self.assertEqual(self.pindent(closed, '-d'), clean)
|
|
|
|
def test_empty_line(self):
|
|
clean = textwrap.dedent("""\
|
|
if a:
|
|
|
|
pass
|
|
""")
|
|
closed = textwrap.dedent("""\
|
|
if a:
|
|
|
|
pass
|
|
# end if
|
|
""")
|
|
self.pindent_test(clean, closed)
|
|
|
|
def test_oneline(self):
|
|
clean = textwrap.dedent("""\
|
|
if a: pass
|
|
""")
|
|
closed = textwrap.dedent("""\
|
|
if a: pass
|
|
# end if
|
|
""")
|
|
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']
|
|
# 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')
|
|
loader = importlib.machinery.SourceFileLoader('pdeps', path)
|
|
self.pdeps = loader.load_module()
|
|
|
|
@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')
|
|
loader = importlib.machinery.SourceFileLoader('gprof2html', path)
|
|
self.gprof = loader.load_module()
|
|
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)
|
|
|
|
|
|
# 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
|
|
|
|
|
|
def test_main():
|
|
support.run_unittest(*[obj for obj in globals().values()
|
|
if isinstance(obj, type)])
|
|
|
|
|
|
if __name__ == '__main__':
|
|
unittest.main()
|