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'Verify the pretty-printing of dictionaries'
def test_dicts(self):
self.assertGdbRepr({}) self.assertGdbRepr({'foo': 'bar'}, "{'foo': 'bar'}") self.assertGdbRepr({'foo': 'bar', 'douglas': 42}, "{'douglas': 42, 'foo': 'bar'}")
'Verify the pretty-printing of lists'
def test_lists(self):
self.assertGdbRepr([]) self.assertGdbRepr(list(range(5)))
'Verify the pretty-printing of bytes'
def test_bytes(self):
self.assertGdbRepr('') self.assertGdbRepr('And now for something hopefully the same') self.assertGdbRepr('string with embedded NUL here \x00 and then some more text') self.assertGdbRepr('this is a tab: DCTB this is a slash-N:\n thi...
'Verify the pretty-printing of unicode strings'
def test_strings(self):
encoding = locale.getpreferredencoding() def check_repr(text): try: text.encode(encoding) printable = True except UnicodeEncodeError: self.assertGdbRepr(text, ascii(text)) else: self.assertGdbRepr(text) self.assertGdbRepr('') self.a...
'Verify the pretty-printing of tuples'
def test_tuples(self):
self.assertGdbRepr(tuple(), '()') self.assertGdbRepr((1,), '(1,)') self.assertGdbRepr(('foo', 'bar', 'baz'))
'Verify the pretty-printing of sets'
def test_sets(self):
if ((gdb_major_version, gdb_minor_version) < (7, 3)): self.skipTest('pretty-printing of sets needs gdb 7.3 or later') self.assertGdbRepr(set(), 'set()') self.assertGdbRepr(set(['a', 'b']), "{'a', 'b'}") self.assertGdbRepr(set([4, 5, 6]), '{4, 5, 6}') (gdb_repr, ...
'Verify the pretty-printing of frozensets'
def test_frozensets(self):
if ((gdb_major_version, gdb_minor_version) < (7, 3)): self.skipTest('pretty-printing of frozensets needs gdb 7.3 or later') self.assertGdbRepr(frozenset(), 'frozenset()') self.assertGdbRepr(frozenset(['a', 'b']), "frozenset({'a', 'b'})") self.assertGdbRepr(frozenset([4, 5...
'Verify the pretty-printing of new-style class instances'
def test_modern_class(self):
(gdb_repr, gdb_output) = self.get_gdb_repr('\nclass Foo:\n pass\nfoo = Foo()\nfoo.an_int = 42\nid(foo)') m = re.match('<Foo\\(an_int=42\\) at remote 0x-?[0-9a-f]+>', gdb_repr) self.assertTrue(m, msg=('Unexpected new-style class rendering %r' % gdb_repr))
'Verify the pretty-printing of an instance of a list subclass'
def test_subclassing_list(self):
(gdb_repr, gdb_output) = self.get_gdb_repr('\nclass Foo(list):\n pass\nfoo = Foo()\nfoo += [1, 2, 3]\nfoo.an_int = 42\nid(foo)') m = re.match('<Foo\\(an_int=42\\) at remote 0x-?[0-9a-f]+>', gdb_repr) self.assertTrue(m, msg=('Unexpected new-style class...
'Verify the pretty-printing of an instance of a tuple subclass'
def test_subclassing_tuple(self):
(gdb_repr, gdb_output) = self.get_gdb_repr('\nclass Foo(tuple):\n pass\nfoo = Foo((1, 2, 3))\nfoo.an_int = 42\nid(foo)') m = re.match('<Foo\\(an_int=42\\) at remote 0x-?[0-9a-f]+>', gdb_repr) self.assertTrue(m, msg=('Unexpected new-style class rendering ...
'Run Python under gdb, corrupting variables in the inferior process immediately before taking a backtrace. Verify that the variable\'s representation is the expected failsafe representation'
def assertSane(self, source, corruption, exprepr=None):
if corruption: cmds_after_breakpoint = [corruption, 'backtrace'] else: cmds_after_breakpoint = ['backtrace'] (gdb_repr, gdb_output) = self.get_gdb_repr(source, cmds_after_breakpoint=cmds_after_breakpoint) if exprepr: if (gdb_repr == exprepr): return pattern = '<.*...
'Ensure that a NULL PyObject* is handled gracefully'
def test_NULL_ptr(self):
(gdb_repr, gdb_output) = self.get_gdb_repr('id(42)', cmds_after_breakpoint=['set variable v=0', 'backtrace']) self.assertEqual(gdb_repr, '0x0')
'Ensure that a PyObject* with NULL ob_type is handled gracefully'
def test_NULL_ob_type(self):
self.assertSane('id(42)', 'set v->ob_type=0')
'Ensure that a PyObject* with a corrupt ob_type is handled gracefully'
def test_corrupt_ob_type(self):
self.assertSane('id(42)', 'set v->ob_type=0xDEADBEEF', exprepr='42')
'Ensure that a PyObject* with a type with corrupt tp_flags is handled'
def test_corrupt_tp_flags(self):
self.assertSane('id(42)', 'set v->ob_type->tp_flags=0x0', exprepr='42')
'Ensure that a PyObject* with a type with corrupt tp_name is handled'
def test_corrupt_tp_name(self):
self.assertSane('id(42)', 'set v->ob_type->tp_name=0xDEADBEEF', exprepr='42')
'Ensure that the new-style class _Helper in site.py can be handled'
def test_builtins_help(self):
(gdb_repr, gdb_output) = self.get_gdb_repr('id(__builtins__.help)', import_site=True) m = re.match('<_Helper at remote 0x-?[0-9a-f]+>', gdb_repr) self.assertTrue(m, msg=('Unexpected rendering %r' % gdb_repr))
'Ensure that a reference loop involving a list doesn\'t lead proxyval into an infinite loop:'
def test_selfreferential_list(self):
(gdb_repr, gdb_output) = self.get_gdb_repr('a = [3, 4, 5] ; a.append(a) ; id(a)') self.assertEqual(gdb_repr, '[3, 4, 5, [...]]') (gdb_repr, gdb_output) = self.get_gdb_repr('a = [3, 4, 5] ; b = [a] ; a.append(b) ; id(a)') self.assertEqu...
'Ensure that a reference loop involving a dict doesn\'t lead proxyval into an infinite loop:'
def test_selfreferential_dict(self):
(gdb_repr, gdb_output) = self.get_gdb_repr("a = {} ; b = {'bar':a} ; a['foo'] = b ; id(a)") self.assertEqual(gdb_repr, "{'foo': {'bar': {...}}}")
'Verify that very long output is truncated'
def test_truncation(self):
(gdb_repr, gdb_output) = self.get_gdb_repr('id(list(range(1000)))') self.assertEqual(gdb_repr, '[0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31, 3...
'Verify that the "py-list" command works'
def test_basic_command(self):
bt = self.get_stack_trace(script=self.get_sample_script(), cmds_after_breakpoint=['py-list']) self.assertListing(' 5 \n 6 def bar(a, b, c):\n 7 baz(a, b, c)\n 8 \n 9 ...
'Verify the "py-list" command with one absolute argument'
def test_one_abs_arg(self):
bt = self.get_stack_trace(script=self.get_sample_script(), cmds_after_breakpoint=['py-list 9']) self.assertListing(' 9 def baz(*args):\n >10 id(42)\n 11 \n 12 foo(1, 2, 3)\n', bt)
'Verify the "py-list" command with two absolute arguments'
def test_two_abs_args(self):
bt = self.get_stack_trace(script=self.get_sample_script(), cmds_after_breakpoint=['py-list 1,3']) self.assertListing(' 1 # Sample script for use by test_gdb.py\n 2 \n 3 def foo(a, b, c):\n', bt)
'Verify that the "py-up" command works'
@unittest.skipUnless(HAS_PYUP_PYDOWN, 'test requires py-up/py-down commands') @unittest.skipIf(python_is_optimized(), 'Python was compiled with optimizations') def test_pyup_command(self):
bt = self.get_stack_trace(script=self.get_sample_script(), cmds_after_breakpoint=['py-up']) self.assertMultilineMatches(bt, '^.*\n#[0-9]+ Frame 0x-?[0-9a-f]+, for file .*gdb_sample.py, line 7, in bar \\(a=1, b=2, c=3\\)\n baz\\(a, b, c\\)\n$')
'Verify handling of "py-down" at the bottom of the stack'
@unittest.skipUnless(HAS_PYUP_PYDOWN, 'test requires py-up/py-down commands') def test_down_at_bottom(self):
bt = self.get_stack_trace(script=self.get_sample_script(), cmds_after_breakpoint=['py-down']) self.assertEndsWith(bt, 'Unable to find a newer python frame\n')
'Verify handling of "py-up" at the top of the stack'
@unittest.skipUnless(HAS_PYUP_PYDOWN, 'test requires py-up/py-down commands') def test_up_at_top(self):
bt = self.get_stack_trace(script=self.get_sample_script(), cmds_after_breakpoint=(['py-up'] * 4)) self.assertEndsWith(bt, 'Unable to find an older python frame\n')
'Verify "py-up" followed by "py-down"'
@unittest.skipUnless(HAS_PYUP_PYDOWN, 'test requires py-up/py-down commands') @unittest.skipIf(python_is_optimized(), 'Python was compiled with optimizations') def test_up_then_down(self):
bt = self.get_stack_trace(script=self.get_sample_script(), cmds_after_breakpoint=['py-up', 'py-down']) self.assertMultilineMatches(bt, '^.*\n#[0-9]+ Frame 0x-?[0-9a-f]+, for file .*gdb_sample.py, line 7, in bar \\(a=1, b=2, c=3\\)\n baz\\(a, b, c\\)\n#[0-...
'Verify that the "py-bt" command works'
@unittest.skipIf(python_is_optimized(), 'Python was compiled with optimizations') def test_bt(self):
bt = self.get_stack_trace(script=self.get_sample_script(), cmds_after_breakpoint=['py-bt']) self.assertMultilineMatches(bt, '^.*\nTraceback \\(most recent call first\\):\n File ".*gdb_sample.py", line 10, in baz\n id\\(42\\)\n File ".*gdb_sample.py", ...
'Verify that the "py-bt-full" command works'
@unittest.skipIf(python_is_optimized(), 'Python was compiled with optimizations') def test_bt_full(self):
bt = self.get_stack_trace(script=self.get_sample_script(), cmds_after_breakpoint=['py-bt-full']) self.assertMultilineMatches(bt, '^.*\n#[0-9]+ Frame 0x-?[0-9a-f]+, for file .*gdb_sample.py, line 7, in bar \\(a=1, b=2, c=3\\)\n baz\\(a, b, c\\)\n#[0-9]+ ...
'Verify that "py-bt" indicates threads that are waiting for the GIL'
@unittest.skipUnless(_thread, 'Python was compiled without thread support') def test_threads(self):
cmd = "\nfrom threading import Thread\n\nclass TestThread(Thread):\n # These threads would run forever, but we'll interrupt things with the\n # debugger\n def run(self):\n i = 0\n ...
'Verify that "py-bt" indicates if a thread is garbage-collecting'
@unittest.skipIf(python_is_optimized(), 'Python was compiled with optimizations') @unittest.skipUnless(_thread, 'Python was compiled without thread support') def test_gc(self):
cmd = 'from gc import collect\nid(42)\ndef foo():\n collect()\ndef bar():\n foo()\nbar()\n' gdb_output = self.get_stack_trace(cmd, cmds_after_breakpoint=['break update_refs', 'continue', 'py-bt']) self.assertIn('Garbage-collecting', gdb_output) gdb_output ...
'Verify that "py-bt" displays invocations of PyCFunction instances'
@unittest.skipIf(python_is_optimized(), 'Python was compiled with optimizations') @unittest.skipUnless(_thread, 'Python was compiled without thread support') def test_pycfunction(self):
cmd = 'from time import sleep\ndef foo():\n sleep(1)\ndef bar():\n foo()\nbar()\n' gdb_output = self.get_stack_trace(cmd, breakpoint='time_sleep', cmds_after_breakpoint=['bt', 'py-bt']) self.assertIn('<built-in method sleep', gdb_output) gdb_output = se...
'Verify that the "py-print" command works'
@unittest.skipIf(python_is_optimized(), 'Python was compiled with optimizations') def test_basic_command(self):
bt = self.get_stack_trace(script=self.get_sample_script(), cmds_after_breakpoint=['py-print args']) self.assertMultilineMatches(bt, ".*\\nlocal 'args' = \\(1, 2, 3\\)\\n.*")
'Return a dictionary of values which are invariant by storage in the object under test.'
def _reference(self):
return {'1': '2', 'key1': 'value1', 'key2': (1, 2, 3)}
'Return an empty mapping object'
def _empty_mapping(self):
return self.type2test()
'Return a mapping object with the value contained in data dictionary'
def _full_mapping(self, data):
x = self._empty_mapping() for (key, value) in data.items(): x[key] = value return x
'Make sure that raising \'object_\' triggers a TypeError.'
def raise_fails(self, object_):
try: raise object_ except TypeError: return self.fail(('TypeError expected for raising %s' % type(object_)))
'Catching \'object_\' should raise a TypeError.'
def catch_fails(self, object_):
try: try: raise Exception except object_: pass except TypeError: pass except Exception: self.fail(('TypeError expected when catching %s' % type(object_))) try: try: raise Exception except (object_,): ...
'Test the create function with default arguments.'
def test_defaults(self):
shutil.rmtree(self.env_dir) self.run_with_capture(venv.create, self.env_dir) self.isdir(self.bindir) self.isdir(self.include) self.isdir(*self.lib) p = self.get_env_file('lib64') conditions = ((struct.calcsize('P') == 8) and (os.name == 'posix') and (sys.platform != 'darwin')) if conditi...
'Test that the prefix values are as expected.'
@skipInVenv def test_prefixes(self):
self.assertEqual(sys.base_prefix, sys.prefix) self.assertEqual(sys.base_exec_prefix, sys.exec_prefix) shutil.rmtree(self.env_dir) self.run_with_capture(venv.create, self.env_dir) envpy = os.path.join(self.env_dir, self.bindir, self.exe) cmd = [envpy, '-c', None] for (prefix, expected) in (('...
'Create some files in the environment which are unrelated to the virtual environment.'
def create_contents(self, paths, filename):
for subdirs in paths: d = os.path.join(self.env_dir, *subdirs) os.mkdir(d) fn = os.path.join(d, filename) with open(fn, 'wb') as f: f.write('Still here?')
'Test creating environment in an existing directory.'
def test_overwrite_existing(self):
self.create_contents(self.ENV_SUBDIRS, 'foo') venv.create(self.env_dir) for subdirs in self.ENV_SUBDIRS: fn = os.path.join(self.env_dir, *(subdirs + ('foo',))) self.assertTrue(os.path.exists(fn)) with open(fn, 'rb') as f: self.assertEqual(f.read(), 'Still here?') b...
'Test upgrading an existing environment directory.'
def test_upgrade(self):
for upgrade in (False, True): builder = venv.EnvBuilder(upgrade=upgrade) self.run_with_capture(builder.create, self.env_dir) self.isdir(self.bindir) self.isdir(self.include) self.isdir(*self.lib) fn = self.get_env_file(self.bindir, self.exe) if (not os.path.ex...
'Test isolation from system site-packages'
def test_isolation(self):
for (ssp, s) in ((True, 'true'), (False, 'false')): builder = venv.EnvBuilder(clear=True, system_site_packages=ssp) builder.create(self.env_dir) data = self.get_text_file_contents('pyvenv.cfg') self.assertIn(('include-system-site-packages = %s\n' % s), data)
'Test symlinking works as expected'
@unittest.skipUnless(can_symlink(), 'Needs symlinks') def test_symlinking(self):
for usl in (False, True): builder = venv.EnvBuilder(clear=True, symlinks=usl) builder.create(self.env_dir) fn = self.get_env_file(self.bindir, self.exe) if usl: self.assertTrue(os.path.islink(fn))
'Test that the sys.executable value is as expected.'
@skipInVenv def test_executable(self):
shutil.rmtree(self.env_dir) self.run_with_capture(venv.create, self.env_dir) envpy = os.path.join(os.path.realpath(self.env_dir), self.bindir, self.exe) cmd = [envpy, '-c', 'import sys; print(sys.executable)'] p = subprocess.Popen(cmd, stdout=subprocess.PIPE, stderr=subprocess.PIPE) (out, ...
'Test that the sys.executable value is as expected.'
@unittest.skipUnless(can_symlink(), 'Needs symlinks') def test_executable_symlinks(self):
shutil.rmtree(self.env_dir) builder = venv.EnvBuilder(clear=True, symlinks=True) builder.create(self.env_dir) envpy = os.path.join(os.path.realpath(self.env_dir), self.bindir, self.exe) cmd = [envpy, '-c', 'import sys; print(sys.executable)'] p = subprocess.Popen(cmd, stdout=subprocess.PIP...
'Mock system environment for InteractiveConsole'
def mock_sys(self):
stack = ExitStack() self.addCleanup(stack.close) self.infunc = stack.enter_context(mock.patch('code.input', create=True)) self.stdout = stack.enter_context(mock.patch('code.sys.stdout')) self.stderr = stack.enter_context(mock.patch('code.sys.stderr')) prepatch = mock.patch('code.sys', wraps=code...
'BaseClass.getter'
@property def spam(self):
return self._spam
'SubClass.getter'
@BaseClass.spam.getter def spam(self):
raise PropertyGet(self._spam)
'The decorator does not use this doc string'
@PropertyDocBase.spam.getter def spam(self):
return self._spam
'new docstring'
@BaseClass.spam.getter def spam(self):
return 5
'original docstring'
@property def spam(self):
return 1
'new docstring'
@spam.getter def spam(self):
return 8
'Check fork() in main thread works while a subthread is doing an import'
def test_threaded_import_lock_fork(self):
import_started = threading.Event() fake_module_name = 'fake test module' partial_module = 'partial' complete_module = 'complete' def importer(): imp.acquire_lock() sys.modules[fake_module_name] = partial_module import_started.set() time.sleep(0.01) sys.m...
'Check fork() in main thread works while the main thread is doing an import'
def test_nested_import_lock_fork(self):
def fork_with_import_lock(level): release = 0 in_child = False try: try: for i in range(level): imp.acquire_lock() release += 1 pid = os.fork() in_child = (not pid) finally: ...
'Create time tuple based on current time.'
def setUp(self):
self.time_tuple = time.localtime() self.LT_ins = _strptime.LocaleTime()
'Helper method that tests testing against directive based on the tuple_position of time_tuple. Uses error_msg as error message.'
def compare_against_time(self, testing, directive, tuple_position, error_msg):
strftime_output = time.strftime(directive, self.time_tuple).lower() comparison = testing[self.time_tuple[tuple_position]] self.assertIn(strftime_output, testing, ('%s: not found in tuple' % error_msg)) self.assertEqual(comparison, strftime_output, ('%s: position within tuple inco...
'Construct generic TimeRE object.'
def setUp(self):
self.time_re = _strptime.TimeRE() self.locale_time = _strptime.LocaleTime()
'Create testing time tuple.'
def setUp(self):
self.time_tuple = time.gmtime()
'Helper fxn in testing.'
def helper(self, directive, position):
strf_output = time.strftime(('%' + directive), self.time_tuple) strp_output = _strptime._strptime_time(strf_output, ('%' + directive)) self.assertTrue((strp_output[position] == self.time_tuple[position]), ("testing of '%s' directive failed; '%s' -> %s != %s" % (directive, strf_out...
'The Request.headers dictionary is not a documented interface. It should stay that way, because the complete set of headers are only accessible through the .get_header(), .has_header(), .header_items() interface. However, .headers pre-dates those methods, and so real code will be using the dictionary. The introductio...
def test_request_headers_dict(self):
url = 'http://example.com' self.assertEqual(Request(url, headers={'Spam-eggs': 'blah'}).headers['Spam-eggs'], 'blah') self.assertEqual(Request(url, headers={'spam-EggS': 'blah'}).headers['Spam-eggs'], 'blah')
'Note the case normalization of header names here, to .capitalize()-case. This should be preserved for backwards-compatibility. (In the HTTP case, normalization to .title()-case is done by urllib2 before sending headers to http.client). Note that e.g. r.has_header("spam-EggS") is currently False, and r.get_header("sp...
def test_request_headers_methods(self):
url = 'http://example.com' req = Request(url, headers={'Spam-eggs': 'blah'}) self.assertTrue(req.has_header('Spam-eggs')) self.assertEqual(req.header_items(), [('Spam-eggs', 'blah')]) req.add_header('Foo-Bar', 'baz') self.assertEqual(sorted(req.header_items()), [('Foo-bar', 'baz'), ('Spam-eggs',...
'The point to note here is that we can\'t guess the default port if there\'s no scheme. This applies to both add_password and find_user_password.'
def test_password_manager_default_port(self):
mgr = urllib.request.HTTPPasswordMgr() add = mgr.add_password find_user_pass = mgr.find_user_password add('f', 'http://g.example.com:80', '10', 'j') add('g', 'http://h.example.com', '11', 'k') add('h', 'i.example.com:80', '12', 'l') add('i', 'j.example.com', '13', 'm') self.assertEqual(f...
'Test the connection is cleaned up when the response is closed'
def test_http_closed(self):
for (transfer, data) in (('Connection: close', 'data'), ('Transfer-Encoding: chunked', '4\r\ndata\r\n0\r\n\r\n'), ('Content-Length: 4', 'data')): header = 'HTTP/1.1 200 OK\r\n{}\r\n\r\n'.format(transfer) conn = test_urllib.fakehttp((header.encode() + data)) handler = urllib.re...
'Test the connection is cleaned up after an invalid response'
def test_invalid_closed(self):
conn = test_urllib.fakehttp('') handler = urllib.request.AbstractHTTPHandler() req = Request('http://dummy/') req.timeout = None with self.assertRaises(http.client.BadStatusLine): handler.do_open(conn, req) self.assertTrue(conn.fakesock.closed, 'Connection not closed')
'Issue 13211 reveals that HTTPError didn\'t implement the URLError interface even though HTTPError is a subclass of URLError.'
def test_HTTPError_interface(self):
msg = 'something bad happened' url = code = fp = None hdrs = 'Content-Length: 42' err = urllib.error.HTTPError(url, code, msg, hdrs, fp) self.assertTrue(hasattr(err, 'reason')) self.assertEqual(err.reason, 'something bad happened') self.assertTrue(hasattr(err, 'headers')) ...
'Tests invoking FileInput.__getitem__() with the current line number'
def test__getitem__(self):
t = writeTmp(1, ['line1\n', 'line2\n']) self.addCleanup(remove_tempfiles, t) with FileInput(files=[t]) as fi: retval1 = fi[0] self.assertEqual(retval1, 'line1\n') retval2 = fi[1] self.assertEqual(retval2, 'line2\n')
'Tests invoking FileInput.__getitem__() with an index unequal to the line number'
def test__getitem__invalid_key(self):
t = writeTmp(1, ['line1\n', 'line2\n']) self.addCleanup(remove_tempfiles, t) with FileInput(files=[t]) as fi: with self.assertRaises(RuntimeError) as cm: fi[1] self.assertEqual(cm.exception.args, ('accessing lines out of order',))
'Tests invoking FileInput.__getitem__() with the line number but at end-of-input'
def test__getitem__eof(self):
t = writeTmp(1, []) self.addCleanup(remove_tempfiles, t) with FileInput(files=[t]) as fi: with self.assertRaises(IndexError) as cm: fi[0] self.assertEqual(cm.exception.args, ('end of input reached',))
'Tests invoking FileInput.nextfile() when the attempt to delete the backup file would raise OSError. This error is expected to be silently ignored'
def test_nextfile_oserror_deleting_backup(self):
os_unlink_orig = os.unlink os_unlink_replacement = UnconditionallyRaise(OSError) try: t = writeTmp(1, ['\n']) self.addCleanup(remove_tempfiles, t) with FileInput(files=[t], inplace=True) as fi: next(fi) os.unlink = os_unlink_replacement fi.nextfile...
'Tests invoking FileInput.readline() when os.fstat() raises OSError. This exception should be silently discarded.'
def test_readline_os_fstat_raises_OSError(self):
os_fstat_orig = os.fstat os_fstat_replacement = UnconditionallyRaise(OSError) try: t = writeTmp(1, ['\n']) self.addCleanup(remove_tempfiles, t) with FileInput(files=[t], inplace=True) as fi: os.fstat = os_fstat_replacement fi.readline() finally: os...
'Tests invoking FileInput.readline() when os.chmod() raises OSError. This exception should be silently discarded.'
@unittest.skipIf((not hasattr(os, 'chmod')), 'os.chmod does not exist') def test_readline_os_chmod_raises_OSError(self):
os_chmod_orig = os.chmod os_chmod_replacement = UnconditionallyRaise(OSError) try: t = writeTmp(1, ['\n']) self.addCleanup(remove_tempfiles, t) with FileInput(files=[t], inplace=True) as fi: os.chmod = os_chmod_replacement fi.readline() finally: os...
'Tests invoking fileinput.input() when fileinput._state is not None and its _file attribute is also not None. Expect RuntimeError to be raised with a meaningful error message and for fileinput._state to *not* be modified.'
def test_state_is_not_None_and_state_file_is_not_None(self):
instance = MockFileInput() instance._file = object() fileinput._state = instance with self.assertRaises(RuntimeError) as cm: fileinput.input() self.assertEqual(('input() already active',), cm.exception.args) self.assertIs(instance, fileinput._state, 'fileinput._state')
'Tests invoking fileinput.input() when fileinput._state is not None but its _file attribute *is* None. Expect it to create and return a new fileinput.FileInput object with all method parameters passed explicitly to the __init__() method; also ensure that fileinput._state is set to the returned instance.'
def test_state_is_not_None_and_state_file_is_None(self):
instance = MockFileInput() instance._file = None fileinput._state = instance self.do_test_call_input()
'Tests invoking fileinput.input() when fileinput._state is None Expect it to create and return a new fileinput.FileInput object with all method parameters passed explicitly to the __init__() method; also ensure that fileinput._state is set to the returned instance.'
def test_state_is_None(self):
fileinput._state = None self.do_test_call_input()
'Tests that fileinput.input() creates a new fileinput.FileInput object, passing the given parameters unmodified to fileinput.FileInput.__init__(). Note that this test depends on the monkey patching of fileinput.FileInput done by setUp().'
def do_test_call_input(self):
files = object() inplace = object() backup = object() bufsize = object() mode = object() openhook = object() result = fileinput.input(files=files, inplace=inplace, backup=backup, bufsize=bufsize, mode=mode, openhook=openhook) self.assertIs(result, fileinput._state, 'fileinput._state') ...
'Tests that fileinput.close() does nothing if fileinput._state is None'
def test_state_is_None(self):
fileinput._state = None fileinput.close() self.assertIsNone(fileinput._state)
'Tests that fileinput.close() invokes close() on fileinput._state and sets _state=None'
def test_state_is_not_None(self):
instance = MockFileInput() fileinput._state = instance fileinput.close() self.assertExactlyOneInvocation(instance, 'close') self.assertIsNone(fileinput._state)
'Tests fileinput.nextfile() when fileinput._state is None. Ensure that it raises RuntimeError with a meaningful error message and does not modify fileinput._state'
def test_state_is_None(self):
fileinput._state = None with self.assertRaises(RuntimeError) as cm: fileinput.nextfile() self.assertEqual(('no active input()',), cm.exception.args) self.assertIsNone(fileinput._state)
'Tests fileinput.nextfile() when fileinput._state is not None. Ensure that it invokes fileinput._state.nextfile() exactly once, returns whatever it returns, and does not modify fileinput._state to point to a different object.'
def test_state_is_not_None(self):
nextfile_retval = object() instance = MockFileInput() instance.return_values['nextfile'] = nextfile_retval fileinput._state = instance retval = fileinput.nextfile() self.assertExactlyOneInvocation(instance, 'nextfile') self.assertIs(retval, nextfile_retval) self.assertIs(fileinput._state...
'Tests fileinput.filename() when fileinput._state is None. Ensure that it raises RuntimeError with a meaningful error message and does not modify fileinput._state'
def test_state_is_None(self):
fileinput._state = None with self.assertRaises(RuntimeError) as cm: fileinput.filename() self.assertEqual(('no active input()',), cm.exception.args) self.assertIsNone(fileinput._state)
'Tests fileinput.filename() when fileinput._state is not None. Ensure that it invokes fileinput._state.filename() exactly once, returns whatever it returns, and does not modify fileinput._state to point to a different object.'
def test_state_is_not_None(self):
filename_retval = object() instance = MockFileInput() instance.return_values['filename'] = filename_retval fileinput._state = instance retval = fileinput.filename() self.assertExactlyOneInvocation(instance, 'filename') self.assertIs(retval, filename_retval) self.assertIs(fileinput._state...
'Tests fileinput.lineno() when fileinput._state is None. Ensure that it raises RuntimeError with a meaningful error message and does not modify fileinput._state'
def test_state_is_None(self):
fileinput._state = None with self.assertRaises(RuntimeError) as cm: fileinput.lineno() self.assertEqual(('no active input()',), cm.exception.args) self.assertIsNone(fileinput._state)
'Tests fileinput.lineno() when fileinput._state is not None. Ensure that it invokes fileinput._state.lineno() exactly once, returns whatever it returns, and does not modify fileinput._state to point to a different object.'
def test_state_is_not_None(self):
lineno_retval = object() instance = MockFileInput() instance.return_values['lineno'] = lineno_retval fileinput._state = instance retval = fileinput.lineno() self.assertExactlyOneInvocation(instance, 'lineno') self.assertIs(retval, lineno_retval) self.assertIs(fileinput._state, instance)
'Tests fileinput.filelineno() when fileinput._state is None. Ensure that it raises RuntimeError with a meaningful error message and does not modify fileinput._state'
def test_state_is_None(self):
fileinput._state = None with self.assertRaises(RuntimeError) as cm: fileinput.filelineno() self.assertEqual(('no active input()',), cm.exception.args) self.assertIsNone(fileinput._state)
'Tests fileinput.filelineno() when fileinput._state is not None. Ensure that it invokes fileinput._state.filelineno() exactly once, returns whatever it returns, and does not modify fileinput._state to point to a different object.'
def test_state_is_not_None(self):
filelineno_retval = object() instance = MockFileInput() instance.return_values['filelineno'] = filelineno_retval fileinput._state = instance retval = fileinput.filelineno() self.assertExactlyOneInvocation(instance, 'filelineno') self.assertIs(retval, filelineno_retval) self.assertIs(file...
'Tests fileinput.fileno() when fileinput._state is None. Ensure that it raises RuntimeError with a meaningful error message and does not modify fileinput._state'
def test_state_is_None(self):
fileinput._state = None with self.assertRaises(RuntimeError) as cm: fileinput.fileno() self.assertEqual(('no active input()',), cm.exception.args) self.assertIsNone(fileinput._state)
'Tests fileinput.fileno() when fileinput._state is not None. Ensure that it invokes fileinput._state.fileno() exactly once, returns whatever it returns, and does not modify fileinput._state to point to a different object.'
def test_state_is_not_None(self):
fileno_retval = object() instance = MockFileInput() instance.return_values['fileno'] = fileno_retval instance.fileno_retval = fileno_retval fileinput._state = instance retval = fileinput.fileno() self.assertExactlyOneInvocation(instance, 'fileno') self.assertIs(retval, fileno_retval) ...
'Tests fileinput.isfirstline() when fileinput._state is None. Ensure that it raises RuntimeError with a meaningful error message and does not modify fileinput._state'
def test_state_is_None(self):
fileinput._state = None with self.assertRaises(RuntimeError) as cm: fileinput.isfirstline() self.assertEqual(('no active input()',), cm.exception.args) self.assertIsNone(fileinput._state)
'Tests fileinput.isfirstline() when fileinput._state is not None. Ensure that it invokes fileinput._state.isfirstline() exactly once, returns whatever it returns, and does not modify fileinput._state to point to a different object.'
def test_state_is_not_None(self):
isfirstline_retval = object() instance = MockFileInput() instance.return_values['isfirstline'] = isfirstline_retval fileinput._state = instance retval = fileinput.isfirstline() self.assertExactlyOneInvocation(instance, 'isfirstline') self.assertIs(retval, isfirstline_retval) self.assertI...
'Tests fileinput.isstdin() when fileinput._state is None. Ensure that it raises RuntimeError with a meaningful error message and does not modify fileinput._state'
def test_state_is_None(self):
fileinput._state = None with self.assertRaises(RuntimeError) as cm: fileinput.isstdin() self.assertEqual(('no active input()',), cm.exception.args) self.assertIsNone(fileinput._state)
'Tests fileinput.isstdin() when fileinput._state is not None. Ensure that it invokes fileinput._state.isstdin() exactly once, returns whatever it returns, and does not modify fileinput._state to point to a different object.'
def test_state_is_not_None(self):
isstdin_retval = object() instance = MockFileInput() instance.return_values['isstdin'] = isstdin_retval fileinput._state = instance retval = fileinput.isstdin() self.assertExactlyOneInvocation(instance, 'isstdin') self.assertIs(retval, isstdin_retval) self.assertIs(fileinput._state, inst...
'Asserts that both the types and values are the same.'
def assertTypedEquals(self, expected, actual):
self.assertEqual(type(expected), type(actual)) self.assertEqual(expected, actual)
'Asserts that callable(*args, **kwargs) raises exc_type(message).'
def assertRaisesMessage(self, exc_type, message, callable, *args, **kwargs):
try: callable(*args, **kwargs) except exc_type as e: self.assertEqual(message, str(e)) else: self.fail(('%s not raised' % exc_type.__name__))
'Returns instr if op is found, otherwise throws AssertionError'
def assertInBytecode(self, x, opname, argval=_UNSPECIFIED):
for instr in dis.get_instructions(x): if (instr.opname == opname): if ((argval is _UNSPECIFIED) or (instr.argval == argval)): return instr disassembly = self.get_disassembly_as_string(x) if (argval is _UNSPECIFIED): msg = ('%s not found in bytecode:\n%...
'Throws AssertionError if op is found'
def assertNotInBytecode(self, x, opname, argval=_UNSPECIFIED):
for instr in dis.get_instructions(x): if (instr.opname == opname): disassembly = self.get_disassembly_as_string(co) if (opargval is _UNSPECIFIED): msg = ('%s occurs in bytecode:\n%s' % (opname, disassembly)) elif (instr.argval == argval): ...
'Check that compileall recreates bytecode when the new metadata is used.'
@unittest.skipUnless(hasattr(os, 'stat'), 'test needs os.stat()') def recreation_check(self, metadata):
py_compile.compile(self.source_path) self.assertEqual(*self.data()) with open(self.bc_path, 'rb') as file: bc = file.read()[len(metadata):] with open(self.bc_path, 'wb') as file: file.write(metadata) file.write(bc) self.assertNotEqual(*self.data()) compileall.compile_dir(...
'Another docstring containing tabs'
def abuse(self, a, b, c):
self.argue(a, b, c)
'Common code for chown, fchown and lchown tests.'
def _test_all_chown_common(self, chown_func, first_param, stat_func):
def check_stat(uid, gid): if (stat_func is not None): stat = stat_func(first_param) self.assertEqual(stat.st_uid, uid) self.assertEqual(stat.st_gid, gid) uid = os.getuid() gid = os.getgid() chown_func(first_param, uid, gid) check_stat(uid, gid) chown_f...