106 lines
3.5 KiB
Python
106 lines
3.5 KiB
Python
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# Copyright (c) 2008, 2010, 2013 LOGILAB S.A. (Paris, FRANCE) <contact@logilab.fr>
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# Copyright (c) 2014-2016 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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"""
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unit test for visitors.diadefs and extensions.diadefslib modules
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"""
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import os
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import codecs
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from difflib import unified_diff
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import pytest
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from pylint.pyreverse.inspector import Linker, project_from_files
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from pylint.pyreverse.diadefslib import DefaultDiadefGenerator, DiadefsHandler
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from pylint.pyreverse.writer import DotWriter
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from pylint.pyreverse.utils import get_visibility
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_DEFAULTS = {
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'all_ancestors': None, 'show_associated': None,
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'module_names': None,
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'output_format': 'dot', 'diadefs_file': None, 'quiet': 0,
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'show_ancestors': None, 'classes': (), 'all_associated': None,
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'mode': 'PUB_ONLY', 'show_builtin': False, 'only_classnames': False
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}
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class Config(object):
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"""config object for tests"""
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def __init__(self):
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for attr, value in _DEFAULTS.items():
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setattr(self, attr, value)
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def _file_lines(path):
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# we don't care about the actual encoding, but python3 forces us to pick one
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with codecs.open(path, encoding='latin1') as stream:
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lines = [line.strip() for line in stream.readlines()
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if (line.find('squeleton generated by ') == -1 and
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not line.startswith('__revision__ = "$Id:'))]
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return [line for line in lines if line]
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def get_project(module, name="No Name"):
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"""return a astroid project representation"""
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def _astroid_wrapper(func, modname):
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return func(modname)
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return project_from_files([module], _astroid_wrapper,
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project_name=name)
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DOT_FILES = ['packages_No_Name.dot', 'classes_No_Name.dot']
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@pytest.fixture(scope="module")
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def setup():
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project = get_project(os.path.join(os.path.dirname(__file__), 'data'))
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linker = Linker(project)
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CONFIG = Config()
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handler = DiadefsHandler(CONFIG)
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dd = DefaultDiadefGenerator(linker, handler).visit(project)
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for diagram in dd:
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diagram.extract_relationships()
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writer = DotWriter(CONFIG)
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writer.write(dd)
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yield
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for fname in DOT_FILES:
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try:
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os.remove(fname)
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except:
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continue
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@pytest.mark.usefixtures("setup")
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@pytest.mark.parametrize("generated_file", DOT_FILES)
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def test_dot_files(generated_file):
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expected_file = os.path.join(os.path.dirname(__file__), 'data', generated_file)
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generated = _file_lines(generated_file)
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expected = _file_lines(expected_file)
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generated = '\n'.join(generated)
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expected = '\n'.join(expected)
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files = "\n *** expected : %s, generated : %s \n" % (
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expected_file, generated_file)
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assert expected == generated, '%s%s' % (
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files, '\n'.join(line for line in unified_diff(
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expected.splitlines(), generated.splitlines())))
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os.remove(generated_file)
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@pytest.mark.parametrize("names, expected",
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[(["__reduce_ex__", "__setattr__"], "special"),
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(["__g_", "____dsf", "__23_9"], "private"),
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(["simple"], "public"),
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(["_", "__", "___", "____", "_____", "___e__", "_nextsimple",
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"_filter_it_"], "protected")])
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def test_get_visibility(names, expected):
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for name in names:
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got = get_visibility(name)
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assert got == expected, \
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'got %s instead of %s for value %s' % (got, expected, name)
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