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Code Issues Projects Releases Packages Wiki Activity Actions 9

Cleanup in test_import and test_coding.

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This commit is contained in:
Florent Xicluna 2010-03-17 19:05:04 +00:00
parent 786431282b
commit 2b73c21bed
2 changed files with 57 additions and 80 deletions
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11
Lib/test/test_coding.py
View file

@ -16,22 +16,19 @@ class CodingTest(unittest.TestCase):
path = os.path.dirname(__file__) path = os.path.dirname(__file__)
filename = os.path.join(path, module_name + '.py') filename = os.path.join(path, module_name + '.py')
fp = open(filename) with open(filename) as fp:
text = fp.read() text = fp.read()
fp.close()
self.assertRaises(SyntaxError, compile, text, filename, 'exec') self.assertRaises(SyntaxError, compile, text, filename, 'exec')
def test_error_from_string(self): def test_error_from_string(self):
# See http://bugs.python.org/issue6289 # See http://bugs.python.org/issue6289
input = u"# coding: ascii\n\N{SNOWMAN}".encode('utf-8') input = u"# coding: ascii\n\N{SNOWMAN}".encode('utf-8')
try: with self.assertRaises(SyntaxError) as c:
compile(input, "<string>", "exec") compile(input, "<string>", "exec")
except SyntaxError as e:
expected = "'ascii' codec can't decode byte 0xe2 in position 16: " \ expected = "'ascii' codec can't decode byte 0xe2 in position 16: " \
"ordinal not in range(128)" "ordinal not in range(128)"
self.assertTrue(str(e).startswith(expected)) self.assertTrue(c.exception.args[0].startswith(expected))
else:
self.fail("didn't raise")
def test_main(): def test_main():
test.test_support.run_unittest(CodingTest) test.test_support.run_unittest(CodingTest)

116
Lib/test/test_import.py
View file

@ -7,9 +7,8 @@ import shutil
import stat import stat
import sys import sys
import unittest import unittest
import warnings
from test.test_support import (unlink, TESTFN, unload, run_unittest, from test.test_support import (unlink, TESTFN, unload, run_unittest,
check_warnings, TestFailed, EnvironmentVarGuard) is_jython, check_warnings, EnvironmentVarGuard)
def remove_files(name): def remove_files(name):
@ -18,12 +17,15 @@ def remove_files(name):
name + os.extsep + "pyo", name + os.extsep + "pyo",
name + os.extsep + "pyw", name + os.extsep + "pyw",
name + "$py.class"): name + "$py.class"):
if os.path.exists(f): unlink(f)
os.remove(f)
class ImportTests(unittest.TestCase): class ImportTests(unittest.TestCase):
def tearDown(self):
unload(TESTFN)
setUp = tearDown
def test_case_sensitivity(self): def test_case_sensitivity(self):
# Brief digression to test that import is case-sensitive: if we got # Brief digression to test that import is case-sensitive: if we got
# this far, we know for sure that "random" exists. # this far, we know for sure that "random" exists.
@ -44,7 +46,7 @@ class ImportTests(unittest.TestCase):
# The extension is normally ".py", perhaps ".pyw". # The extension is normally ".py", perhaps ".pyw".
source = TESTFN + ext source = TESTFN + ext
pyo = TESTFN + os.extsep + "pyo" pyo = TESTFN + os.extsep + "pyo"
if sys.platform.startswith('java'): if is_jython:
pyc = TESTFN + "$py.class" pyc = TESTFN + "$py.class"
else: else:
pyc = TESTFN + os.extsep + "pyc" pyc = TESTFN + os.extsep + "pyc"
@ -62,27 +64,21 @@ class ImportTests(unittest.TestCase):
except ImportError, err: except ImportError, err:
self.fail("import from %s failed: %s" % (ext, err)) self.fail("import from %s failed: %s" % (ext, err))
else: else:
self.assertEquals(mod.a, a, self.assertEqual(mod.a, a,
"module loaded (%s) but contents invalid" % mod) "module loaded (%s) but contents invalid" % mod)
self.assertEquals(mod.b, b, self.assertEqual(mod.b, b,
"module loaded (%s) but contents invalid" % mod) "module loaded (%s) but contents invalid" % mod)
finally: finally:
os.unlink(source) unlink(source)
try: try:
imp.reload(mod) imp.reload(mod)
except ImportError, err: except ImportError, err:
self.fail("import from .pyc/.pyo failed: %s" % err) self.fail("import from .pyc/.pyo failed: %s" % err)
finally: finally:
try: unlink(pyc)
os.unlink(pyc) unlink(pyo)
except OSError: unload(TESTFN)
pass
try:
os.unlink(pyo)
except OSError:
pass
del sys.modules[TESTFN]
sys.path.insert(0, os.curdir) sys.path.insert(0, os.curdir)
try: try:
@ -108,15 +104,16 @@ class ImportTests(unittest.TestCase):
fn = fname + 'c' fn = fname + 'c'
if not os.path.exists(fn): if not os.path.exists(fn):
fn = fname + 'o' fn = fname + 'o'
if not os.path.exists(fn): raise TestFailed("__import__ did " if not os.path.exists(fn):
"not result in creation of either a .pyc or .pyo file") self.fail("__import__ did not result in creation of "
"either a .pyc or .pyo file")
s = os.stat(fn) s = os.stat(fn)
self.assertEquals(stat.S_IMODE(s.st_mode), self.assertEqual(stat.S_IMODE(s.st_mode),
stat.S_IRUSR | stat.S_IRGRP | stat.S_IROTH) stat.S_IRUSR | stat.S_IRGRP | stat.S_IROTH)
finally: finally:
os.umask(oldmask) os.umask(oldmask)
remove_files(TESTFN) remove_files(TESTFN)
if TESTFN in sys.modules: del sys.modules[TESTFN] unload(TESTFN)
del sys.path[0] del sys.path[0]
def test_imp_module(self): def test_imp_module(self):
@ -152,7 +149,7 @@ class ImportTests(unittest.TestCase):
# Compile & remove .py file, we only need .pyc (or .pyo). # Compile & remove .py file, we only need .pyc (or .pyo).
with open(filename, 'r') as f: with open(filename, 'r') as f:
py_compile.compile(filename) py_compile.compile(filename)
os.unlink(filename) unlink(filename)
# Need to be able to load from current dir. # Need to be able to load from current dir.
sys.path.append('') sys.path.append('')
@ -162,12 +159,10 @@ class ImportTests(unittest.TestCase):
# Cleanup. # Cleanup.
del sys.path[-1] del sys.path[-1]
for ext in 'pyc', 'pyo': unlink(filename + 'c')
fname = module + os.extsep + ext unlink(filename + 'o')
if os.path.exists(fname):
os.unlink(fname)
def test_failing_import_sticks(self): def test_0Bfailing_import_sticks(self):
source = TESTFN + os.extsep + "py" source = TESTFN + os.extsep + "py"
with open(source, "w") as f: with open(source, "w") as f:
print >> f, "a = 1 // 0" print >> f, "a = 1 // 0"
@ -177,15 +172,11 @@ class ImportTests(unittest.TestCase):
sys.path.insert(0, os.curdir) sys.path.insert(0, os.curdir)
try: try:
for i in [1, 2, 3]: for i in [1, 2, 3]:
try: self.assertRaises(ZeroDivisionError, __import__, TESTFN)
mod = __import__(TESTFN) self.assertNotIn(TESTFN, sys.modules,
except ZeroDivisionError: "damaged module in sys.modules on %i try" % i)
if TESTFN in sys.modules:
self.fail("damaged module in sys.modules on %i. try" % i)
else:
self.fail("was able to import a damaged module on %i. try" % i)
finally: finally:
sys.path.pop(0) del sys.path[0]
remove_files(TESTFN) remove_files(TESTFN)
def test_failing_reload(self): def test_failing_reload(self):
@ -199,8 +190,8 @@ class ImportTests(unittest.TestCase):
try: try:
mod = __import__(TESTFN) mod = __import__(TESTFN)
self.assertIn(TESTFN, sys.modules) self.assertIn(TESTFN, sys.modules)
self.assertEquals(mod.a, 1, "module has wrong attribute values") self.assertEqual(mod.a, 1, "module has wrong attribute values")
self.assertEquals(mod.b, 2, "module has wrong attribute values") self.assertEqual(mod.b, 2, "module has wrong attribute values")
# On WinXP, just replacing the .py file wasn't enough to # On WinXP, just replacing the .py file wasn't enough to
# convince reload() to reparse it. Maybe the timestamp didn't # convince reload() to reparse it. Maybe the timestamp didn't
@ -217,18 +208,17 @@ class ImportTests(unittest.TestCase):
# But we still expect the module to be in sys.modules. # But we still expect the module to be in sys.modules.
mod = sys.modules.get(TESTFN) mod = sys.modules.get(TESTFN)
self.assertFalse(mod is None, "expected module to be in sys.modules") self.assertIsNot(mod, None, "expected module to be in sys.modules")
# We should have replaced a w/ 10, but the old b value should # We should have replaced a w/ 10, but the old b value should
# stick. # stick.
self.assertEquals(mod.a, 10, "module has wrong attribute values") self.assertEqual(mod.a, 10, "module has wrong attribute values")
self.assertEquals(mod.b, 2, "module has wrong attribute values") self.assertEqual(mod.b, 2, "module has wrong attribute values")
finally: finally:
sys.path.pop(0) del sys.path[0]
remove_files(TESTFN) remove_files(TESTFN)
if TESTFN in sys.modules: unload(TESTFN)
del sys.modules[TESTFN]
def test_infinite_reload(self): def test_infinite_reload(self):
# http://bugs.python.org/issue742342 reports that Python segfaults # http://bugs.python.org/issue742342 reports that Python segfaults
@ -238,35 +228,31 @@ class ImportTests(unittest.TestCase):
try: try:
import infinite_reload import infinite_reload
finally: finally:
sys.path.pop(0) del sys.path[0]
def test_import_name_binding(self): def test_import_name_binding(self):
# import x.y.z binds x in the current namespace. # import x.y.z binds x in the current namespace.
import test as x import test as x
import test.test_support import test.test_support
self.assertTrue(x is test, x.__name__) self.assertIs(x, test, x.__name__)
self.assertTrue(hasattr(test.test_support, "__file__")) self.assertTrue(hasattr(test.test_support, "__file__"))
# import x.y.z as w binds z as w. # import x.y.z as w binds z as w.
import test.test_support as y import test.test_support as y
self.assertTrue(y is test.test_support, y.__name__) self.assertIs(y, test.test_support, y.__name__)
def test_import_initless_directory_warning(self): def test_import_initless_directory_warning(self):
with warnings.catch_warnings(): with check_warnings(('', ImportWarning)):
# Just a random non-package directory we always expect to be # Just a random non-package directory we always expect to be
# somewhere in sys.path... # somewhere in sys.path...
warnings.simplefilter('error', ImportWarning) self.assertRaises(ImportError, __import__, "site-packages")
self.assertRaises(ImportWarning, __import__, "site-packages")
def test_import_by_filename(self): def test_import_by_filename(self):
path = os.path.abspath(TESTFN) path = os.path.abspath(TESTFN)
try: with self.assertRaises(ImportError) as c:
__import__(path) __import__(path)
except ImportError, err:
self.assertEqual("Import by filename is not supported.", self.assertEqual("Import by filename is not supported.",
err.args[0]) c.exception.args[0])
else:
self.fail("import by path didn't raise an exception")
class PycRewritingTests(unittest.TestCase): class PycRewritingTests(unittest.TestCase):
@ -301,10 +287,9 @@ func_filename = func.func_code.co_filename
if self.orig_module is not None: if self.orig_module is not None:
sys.modules[self.module_name] = self.orig_module sys.modules[self.module_name] = self.orig_module
else: else:
del sys.modules[self.module_name] unload(self.module_name)
for file_name in self.file_name, self.compiled_name: unlink(self.file_name)
if os.path.exists(file_name): unlink(self.compiled_name)
os.remove(file_name)
if os.path.exists(self.dir_name): if os.path.exists(self.dir_name):
shutil.rmtree(self.dir_name) shutil.rmtree(self.dir_name)
@ -402,11 +387,10 @@ class PathsTests(unittest.TestCase):
class RelativeImportTests(unittest.TestCase): class RelativeImportTests(unittest.TestCase):
def tearDown(self): def tearDown(self):
try: unload("test.relimport")
del sys.modules["test.relimport"] setUp = tearDown
except:
pass
def test_relimport_star(self): def test_relimport_star(self):
# This will import * from .test_import. # This will import * from .test_import.
@ -432,18 +416,14 @@ class RelativeImportTests(unittest.TestCase):
# Check relative fails with only __package__ wrong # Check relative fails with only __package__ wrong
ns = dict(__package__='foo', __name__='test.notarealmodule') ns = dict(__package__='foo', __name__='test.notarealmodule')
with check_warnings() as w: with check_warnings(('.+foo', RuntimeWarning)):
check_absolute() check_absolute()
self.assertIn('foo', str(w.message))
self.assertEqual(w.category, RuntimeWarning)
self.assertRaises(SystemError, check_relative) self.assertRaises(SystemError, check_relative)
# Check relative fails with __package__ and __name__ wrong # Check relative fails with __package__ and __name__ wrong
ns = dict(__package__='foo', __name__='notarealpkg.notarealmodule') ns = dict(__package__='foo', __name__='notarealpkg.notarealmodule')
with check_warnings() as w: with check_warnings(('.+foo', RuntimeWarning)):
check_absolute() check_absolute()
self.assertIn('foo', str(w.message))
self.assertEqual(w.category, RuntimeWarning)
self.assertRaises(SystemError, check_relative) self.assertRaises(SystemError, check_relative)
# Check both fail with package set to a non-string # Check both fail with package set to a non-string