diff options
Diffstat (limited to 'Python/Dependencies/future-0.18.2/src/future/tests')
| -rw-r--r-- | Python/Dependencies/future-0.18.2/src/future/tests/__init__.py | 0 | ||||
| -rw-r--r-- | Python/Dependencies/future-0.18.2/src/future/tests/base.py | 539 |
2 files changed, 0 insertions, 539 deletions
diff --git a/Python/Dependencies/future-0.18.2/src/future/tests/__init__.py b/Python/Dependencies/future-0.18.2/src/future/tests/__init__.py deleted file mode 100644 index e69de29..0000000 --- a/Python/Dependencies/future-0.18.2/src/future/tests/__init__.py +++ /dev/null diff --git a/Python/Dependencies/future-0.18.2/src/future/tests/base.py b/Python/Dependencies/future-0.18.2/src/future/tests/base.py deleted file mode 100644 index 4ef437b..0000000 --- a/Python/Dependencies/future-0.18.2/src/future/tests/base.py +++ /dev/null @@ -1,539 +0,0 @@ -from __future__ import print_function, absolute_import -import os -import tempfile -import unittest -import sys -import re -import warnings -import io -from textwrap import dedent - -from future.utils import bind_method, PY26, PY3, PY2, PY27 -from future.moves.subprocess import check_output, STDOUT, CalledProcessError - -if PY26: - import unittest2 as unittest - - -def reformat_code(code): - """ - Removes any leading \n and dedents. - """ - if code.startswith('\n'): - code = code[1:] - return dedent(code) - - -def order_future_lines(code): - """ - Returns the code block with any ``__future__`` import lines sorted, and - then any ``future`` import lines sorted, then any ``builtins`` import lines - sorted. - - This only sorts the lines within the expected blocks. - - See test_order_future_lines() for an example. - """ - - # We need .splitlines(keepends=True), which doesn't exist on Py2, - # so we use this instead: - lines = code.split('\n') - - uufuture_line_numbers = [i for i, line in enumerate(lines) - if line.startswith('from __future__ import ')] - - future_line_numbers = [i for i, line in enumerate(lines) - if line.startswith('from future') - or line.startswith('from past')] - - builtins_line_numbers = [i for i, line in enumerate(lines) - if line.startswith('from builtins')] - - assert code.lstrip() == code, ('internal usage error: ' - 'dedent the code before calling order_future_lines()') - - def mymax(numbers): - return max(numbers) if len(numbers) > 0 else 0 - - def mymin(numbers): - return min(numbers) if len(numbers) > 0 else float('inf') - - assert mymax(uufuture_line_numbers) <= mymin(future_line_numbers), \ - 'the __future__ and future imports are out of order' - - # assert mymax(future_line_numbers) <= mymin(builtins_line_numbers), \ - # 'the future and builtins imports are out of order' - - uul = sorted([lines[i] for i in uufuture_line_numbers]) - sorted_uufuture_lines = dict(zip(uufuture_line_numbers, uul)) - - fl = sorted([lines[i] for i in future_line_numbers]) - sorted_future_lines = dict(zip(future_line_numbers, fl)) - - bl = sorted([lines[i] for i in builtins_line_numbers]) - sorted_builtins_lines = dict(zip(builtins_line_numbers, bl)) - - # Replace the old unsorted "from __future__ import ..." lines with the - # new sorted ones: - new_lines = [] - for i in range(len(lines)): - if i in uufuture_line_numbers: - new_lines.append(sorted_uufuture_lines[i]) - elif i in future_line_numbers: - new_lines.append(sorted_future_lines[i]) - elif i in builtins_line_numbers: - new_lines.append(sorted_builtins_lines[i]) - else: - new_lines.append(lines[i]) - return '\n'.join(new_lines) - - -class VerboseCalledProcessError(CalledProcessError): - """ - Like CalledProcessError, but it displays more information (message and - script output) for diagnosing test failures etc. - """ - def __init__(self, msg, returncode, cmd, output=None): - self.msg = msg - self.returncode = returncode - self.cmd = cmd - self.output = output - - def __str__(self): - return ("Command '%s' failed with exit status %d\nMessage: %s\nOutput: %s" - % (self.cmd, self.returncode, self.msg, self.output)) - -class FuturizeError(VerboseCalledProcessError): - pass - -class PasteurizeError(VerboseCalledProcessError): - pass - - -class CodeHandler(unittest.TestCase): - """ - Handy mixin for test classes for writing / reading / futurizing / - running .py files in the test suite. - """ - def setUp(self): - """ - The outputs from the various futurize stages should have the - following headers: - """ - # After stage1: - # TODO: use this form after implementing a fixer to consolidate - # __future__ imports into a single line: - # self.headers1 = """ - # from __future__ import absolute_import, division, print_function - # """ - self.headers1 = reformat_code(""" - from __future__ import absolute_import - from __future__ import division - from __future__ import print_function - """) - - # After stage2 --all-imports: - # TODO: use this form after implementing a fixer to consolidate - # __future__ imports into a single line: - # self.headers2 = """ - # from __future__ import (absolute_import, division, - # print_function, unicode_literals) - # from future import standard_library - # from future.builtins import * - # """ - self.headers2 = reformat_code(""" - from __future__ import absolute_import - from __future__ import division - from __future__ import print_function - from __future__ import unicode_literals - from future import standard_library - standard_library.install_aliases() - from builtins import * - """) - self.interpreters = [sys.executable] - self.tempdir = tempfile.mkdtemp() + os.path.sep - pypath = os.getenv('PYTHONPATH') - if pypath: - self.env = {'PYTHONPATH': os.getcwd() + os.pathsep + pypath} - else: - self.env = {'PYTHONPATH': os.getcwd()} - - def convert(self, code, stages=(1, 2), all_imports=False, from3=False, - reformat=True, run=True, conservative=False): - """ - Converts the code block using ``futurize`` and returns the - resulting code. - - Passing stages=[1] or stages=[2] passes the flag ``--stage1`` or - ``stage2`` to ``futurize``. Passing both stages runs ``futurize`` - with both stages by default. - - If from3 is False, runs ``futurize``, converting from Python 2 to - both 2 and 3. If from3 is True, runs ``pasteurize`` to convert - from Python 3 to both 2 and 3. - - Optionally reformats the code block first using the reformat() function. - - If run is True, runs the resulting code under all Python - interpreters in self.interpreters. - """ - if reformat: - code = reformat_code(code) - self._write_test_script(code) - self._futurize_test_script(stages=stages, all_imports=all_imports, - from3=from3, conservative=conservative) - output = self._read_test_script() - if run: - for interpreter in self.interpreters: - _ = self._run_test_script(interpreter=interpreter) - return output - - def compare(self, output, expected, ignore_imports=True): - """ - Compares whether the code blocks are equal. If not, raises an - exception so the test fails. Ignores any trailing whitespace like - blank lines. - - If ignore_imports is True, passes the code blocks into the - strip_future_imports method. - - If one code block is a unicode string and the other a - byte-string, it assumes the byte-string is encoded as utf-8. - """ - if ignore_imports: - output = self.strip_future_imports(output) - expected = self.strip_future_imports(expected) - if isinstance(output, bytes) and not isinstance(expected, bytes): - output = output.decode('utf-8') - if isinstance(expected, bytes) and not isinstance(output, bytes): - expected = expected.decode('utf-8') - self.assertEqual(order_future_lines(output.rstrip()), - expected.rstrip()) - - def strip_future_imports(self, code): - """ - Strips any of these import lines: - - from __future__ import <anything> - from future <anything> - from future.<anything> - from builtins <anything> - - or any line containing: - install_hooks() - or: - install_aliases() - - Limitation: doesn't handle imports split across multiple lines like - this: - - from __future__ import (absolute_import, division, print_function, - unicode_literals) - """ - output = [] - # We need .splitlines(keepends=True), which doesn't exist on Py2, - # so we use this instead: - for line in code.split('\n'): - if not (line.startswith('from __future__ import ') - or line.startswith('from future ') - or line.startswith('from builtins ') - or 'install_hooks()' in line - or 'install_aliases()' in line - # but don't match "from future_builtins" :) - or line.startswith('from future.')): - output.append(line) - return '\n'.join(output) - - def convert_check(self, before, expected, stages=(1, 2), all_imports=False, - ignore_imports=True, from3=False, run=True, - conservative=False): - """ - Convenience method that calls convert() and compare(). - - Reformats the code blocks automatically using the reformat_code() - function. - - If all_imports is passed, we add the appropriate import headers - for the stage(s) selected to the ``expected`` code-block, so they - needn't appear repeatedly in the test code. - - If ignore_imports is True, ignores the presence of any lines - beginning: - - from __future__ import ... - from future import ... - - for the purpose of the comparison. - """ - output = self.convert(before, stages=stages, all_imports=all_imports, - from3=from3, run=run, conservative=conservative) - if all_imports: - headers = self.headers2 if 2 in stages else self.headers1 - else: - headers = '' - - reformatted = reformat_code(expected) - if headers in reformatted: - headers = '' - - self.compare(output, headers + reformatted, - ignore_imports=ignore_imports) - - def unchanged(self, code, **kwargs): - """ - Convenience method to ensure the code is unchanged by the - futurize process. - """ - self.convert_check(code, code, **kwargs) - - def _write_test_script(self, code, filename='mytestscript.py'): - """ - Dedents the given code (a multiline string) and writes it out to - a file in a temporary folder like /tmp/tmpUDCn7x/mytestscript.py. - """ - if isinstance(code, bytes): - code = code.decode('utf-8') - # Be explicit about encoding the temp file as UTF-8 (issue #63): - with io.open(self.tempdir + filename, 'wt', encoding='utf-8') as f: - f.write(dedent(code)) - - def _read_test_script(self, filename='mytestscript.py'): - with io.open(self.tempdir + filename, 'rt', encoding='utf-8') as f: - newsource = f.read() - return newsource - - def _futurize_test_script(self, filename='mytestscript.py', stages=(1, 2), - all_imports=False, from3=False, - conservative=False): - params = [] - stages = list(stages) - if all_imports: - params.append('--all-imports') - if from3: - script = 'pasteurize.py' - else: - script = 'futurize.py' - if stages == [1]: - params.append('--stage1') - elif stages == [2]: - params.append('--stage2') - else: - assert stages == [1, 2] - if conservative: - params.append('--conservative') - # No extra params needed - - # Absolute file path: - fn = self.tempdir + filename - call_args = [sys.executable, script] + params + ['-w', fn] - try: - output = check_output(call_args, stderr=STDOUT, env=self.env) - except CalledProcessError as e: - with open(fn) as f: - msg = ( - 'Error running the command %s\n' - '%s\n' - 'Contents of file %s:\n' - '\n' - '%s') % ( - ' '.join(call_args), - 'env=%s' % self.env, - fn, - '----\n%s\n----' % f.read(), - ) - ErrorClass = (FuturizeError if 'futurize' in script else PasteurizeError) - - if not hasattr(e, 'output'): - # The attribute CalledProcessError.output doesn't exist on Py2.6 - e.output = None - raise ErrorClass(msg, e.returncode, e.cmd, output=e.output) - return output - - def _run_test_script(self, filename='mytestscript.py', - interpreter=sys.executable): - # Absolute file path: - fn = self.tempdir + filename - try: - output = check_output([interpreter, fn], - env=self.env, stderr=STDOUT) - except CalledProcessError as e: - with open(fn) as f: - msg = ( - 'Error running the command %s\n' - '%s\n' - 'Contents of file %s:\n' - '\n' - '%s') % ( - ' '.join([interpreter, fn]), - 'env=%s' % self.env, - fn, - '----\n%s\n----' % f.read(), - ) - if not hasattr(e, 'output'): - # The attribute CalledProcessError.output doesn't exist on Py2.6 - e.output = None - raise VerboseCalledProcessError(msg, e.returncode, e.cmd, output=e.output) - return output - - -# Decorator to skip some tests on Python 2.6 ... -skip26 = unittest.skipIf(PY26, "this test is known to fail on Py2.6") - - -def expectedFailurePY3(func): - if not PY3: - return func - return unittest.expectedFailure(func) - -def expectedFailurePY26(func): - if not PY26: - return func - return unittest.expectedFailure(func) - - -def expectedFailurePY27(func): - if not PY27: - return func - return unittest.expectedFailure(func) - - -def expectedFailurePY2(func): - if not PY2: - return func - return unittest.expectedFailure(func) - - -# Renamed in Py3.3: -if not hasattr(unittest.TestCase, 'assertRaisesRegex'): - unittest.TestCase.assertRaisesRegex = unittest.TestCase.assertRaisesRegexp - -# From Py3.3: -def assertRegex(self, text, expected_regex, msg=None): - """Fail the test unless the text matches the regular expression.""" - if isinstance(expected_regex, (str, unicode)): - assert expected_regex, "expected_regex must not be empty." - expected_regex = re.compile(expected_regex) - if not expected_regex.search(text): - msg = msg or "Regex didn't match" - msg = '%s: %r not found in %r' % (msg, expected_regex.pattern, text) - raise self.failureException(msg) - -if not hasattr(unittest.TestCase, 'assertRegex'): - bind_method(unittest.TestCase, 'assertRegex', assertRegex) - -class _AssertRaisesBaseContext(object): - - def __init__(self, expected, test_case, callable_obj=None, - expected_regex=None): - self.expected = expected - self.test_case = test_case - if callable_obj is not None: - try: - self.obj_name = callable_obj.__name__ - except AttributeError: - self.obj_name = str(callable_obj) - else: - self.obj_name = None - if isinstance(expected_regex, (bytes, str)): - expected_regex = re.compile(expected_regex) - self.expected_regex = expected_regex - self.msg = None - - def _raiseFailure(self, standardMsg): - msg = self.test_case._formatMessage(self.msg, standardMsg) - raise self.test_case.failureException(msg) - - def handle(self, name, callable_obj, args, kwargs): - """ - If callable_obj is None, assertRaises/Warns is being used as a - context manager, so check for a 'msg' kwarg and return self. - If callable_obj is not None, call it passing args and kwargs. - """ - if callable_obj is None: - self.msg = kwargs.pop('msg', None) - return self - with self: - callable_obj(*args, **kwargs) - -class _AssertWarnsContext(_AssertRaisesBaseContext): - """A context manager used to implement TestCase.assertWarns* methods.""" - - def __enter__(self): - # The __warningregistry__'s need to be in a pristine state for tests - # to work properly. - for v in sys.modules.values(): - if getattr(v, '__warningregistry__', None): - v.__warningregistry__ = {} - self.warnings_manager = warnings.catch_warnings(record=True) - self.warnings = self.warnings_manager.__enter__() - warnings.simplefilter("always", self.expected) - return self - - def __exit__(self, exc_type, exc_value, tb): - self.warnings_manager.__exit__(exc_type, exc_value, tb) - if exc_type is not None: - # let unexpected exceptions pass through - return - try: - exc_name = self.expected.__name__ - except AttributeError: - exc_name = str(self.expected) - first_matching = None - for m in self.warnings: - w = m.message - if not isinstance(w, self.expected): - continue - if first_matching is None: - first_matching = w - if (self.expected_regex is not None and - not self.expected_regex.search(str(w))): - continue - # store warning for later retrieval - self.warning = w - self.filename = m.filename - self.lineno = m.lineno - return - # Now we simply try to choose a helpful failure message - if first_matching is not None: - self._raiseFailure('"{}" does not match "{}"'.format( - self.expected_regex.pattern, str(first_matching))) - if self.obj_name: - self._raiseFailure("{} not triggered by {}".format(exc_name, - self.obj_name)) - else: - self._raiseFailure("{} not triggered".format(exc_name)) - - -def assertWarns(self, expected_warning, callable_obj=None, *args, **kwargs): - """Fail unless a warning of class warnClass is triggered - by callable_obj when invoked with arguments args and keyword - arguments kwargs. If a different type of warning is - triggered, it will not be handled: depending on the other - warning filtering rules in effect, it might be silenced, printed - out, or raised as an exception. - - If called with callable_obj omitted or None, will return a - context object used like this:: - - with self.assertWarns(SomeWarning): - do_something() - - An optional keyword argument 'msg' can be provided when assertWarns - is used as a context object. - - The context manager keeps a reference to the first matching - warning as the 'warning' attribute; similarly, the 'filename' - and 'lineno' attributes give you information about the line - of Python code from which the warning was triggered. - This allows you to inspect the warning after the assertion:: - - with self.assertWarns(SomeWarning) as cm: - do_something() - the_warning = cm.warning - self.assertEqual(the_warning.some_attribute, 147) - """ - context = _AssertWarnsContext(expected_warning, self, callable_obj) - return context.handle('assertWarns', callable_obj, args, kwargs) - -if not hasattr(unittest.TestCase, 'assertWarns'): - bind_method(unittest.TestCase, 'assertWarns', assertWarns) |