136 lines
4.2 KiB
Python
136 lines
4.2 KiB
Python
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# Copyright (c) 2006-2011, 2013-2014 LOGILAB S.A. (Paris, FRANCE) <contact@logilab.fr>
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# Copyright (c) 2015-2016 Claudiu Popa <pcmanticore@gmail.com>
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# Licensed under the GPL: https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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# For details: https://github.com/PyCQA/pylint/blob/master/COPYING
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"""non regression tests for pylint, which requires a too specific configuration
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to be incorporated in the automatic functional test framework
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"""
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import sys
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import os
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from os.path import abspath, dirname, join
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import pytest
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import astroid
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import pylint.testutils as testutils
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from pylint import epylint
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REGR_DATA = join(dirname(abspath(__file__)), 'regrtest_data')
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sys.path.insert(1, REGR_DATA)
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try:
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PYPY_VERSION_INFO = sys.pypy_version_info
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except AttributeError:
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PYPY_VERSION_INFO = None
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@pytest.fixture(scope="module")
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def reporter(reporter):
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return testutils.TestReporter
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@pytest.fixture(scope="module")
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def disable(disable):
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return ['I']
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@pytest.fixture
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def finalize_linter(linter):
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"""call reporter.finalize() to cleanup
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pending messages if a test finished badly
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"""
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yield linter
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linter.reporter.finalize()
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def Equals(expected):
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return lambda got: got == expected
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@pytest.mark.parametrize("file_name, check", [
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("package.__init__", Equals("")),
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("precedence_test", Equals("")),
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("import_package_subpackage_module", Equals("")),
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("pylint.checkers.__init__", lambda x: '__path__' not in x),
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(join(REGR_DATA, "classdoc_usage.py"), Equals("")),
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(join(REGR_DATA, "module_global.py"), Equals("")),
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(join(REGR_DATA, "decimal_inference.py"), Equals("")),
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(join(REGR_DATA, 'absimp', 'string.py'), Equals("")),
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(join(REGR_DATA, 'bad_package'),
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lambda x: "Unused import missing" in x),
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])
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def test_package(finalize_linter, file_name, check):
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finalize_linter.check(file_name)
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got = finalize_linter.reporter.finalize().strip()
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assert check(got)
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@pytest.mark.parametrize("file_name", [
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join(REGR_DATA, 'import_assign.py'),
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join(REGR_DATA, 'special_attr_scope_lookup_crash.py'),
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join(REGR_DATA, 'try_finally_disable_msg_crash'),
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])
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def test_crash(finalize_linter, file_name):
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finalize_linter.check(file_name)
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@pytest.mark.parametrize("fname", [x for x in os.listdir(REGR_DATA)
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if x.endswith('_crash.py')])
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def test_descriptor_crash(fname, finalize_linter):
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finalize_linter.check(join(REGR_DATA, fname))
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finalize_linter.reporter.finalize().strip()
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@pytest.fixture
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def modify_path():
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cwd = os.getcwd()
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sys.path.insert(0, '')
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yield
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sys.path.pop(0)
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os.chdir(cwd)
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@pytest.mark.usefixture("modify_path")
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def test_check_package___init__(finalize_linter):
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filename = 'package.__init__'
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finalize_linter.check(filename)
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checked = list(finalize_linter.stats['by_module'].keys())
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assert checked == [filename]
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os.chdir(join(REGR_DATA, 'package'))
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finalize_linter.check('__init__')
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checked = list(finalize_linter.stats['by_module'].keys())
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assert checked == ['__init__']
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@pytest.mark.skipif(PYPY_VERSION_INFO and PYPY_VERSION_INFO < (4, 0),
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reason="On older PyPy versions, sys.executable was set to a value "
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"that is not supported by the implementation of this function. "
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"( https://bitbucket.org/pypy/pypy/commits/19e305e27e67 )")
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def test_epylint_does_not_block_on_huge_files():
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path = join(REGR_DATA, 'huge.py')
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out, err = epylint.py_run(path, return_std=True)
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assert hasattr(out, 'read')
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assert hasattr(err, 'read')
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output = out.read(10)
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assert isinstance(output, str)
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def test_pylint_config_attr():
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mod = astroid.MANAGER.ast_from_module_name('pylint.lint')
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pylinter = mod['PyLinter']
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expect = ['OptionsManagerMixIn', 'object', 'MessagesHandlerMixIn',
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'ReportsHandlerMixIn', 'BaseTokenChecker', 'BaseChecker',
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'OptionsProviderMixIn']
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assert [c.name for c in pylinter.ancestors()] == expect
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assert list(astroid.Instance(pylinter).getattr('config'))
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inferred = list(astroid.Instance(pylinter).igetattr('config'))
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assert len(inferred) == 1
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assert inferred[0].root().name == 'optparse'
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assert inferred[0].name == 'Values'
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