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136 lines
3.9 KiB
Python
136 lines
3.9 KiB
Python
# -*- coding: utf-8 -*-
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# Copyright (c) 2008, 2010, 2013 LOGILAB S.A. (Paris, FRANCE) <contact@logilab.fr>
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# Copyright (c) 2014-2017 Claudiu Popa <pcmanticore@gmail.com>
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# Copyright (c) 2014 Google, Inc.
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# Copyright (c) 2014 Arun Persaud <arun@nubati.net>
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# Copyright (c) 2015 Ionel Cristian Maries <contact@ionelmc.ro>
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# Copyright (c) 2016 Derek Gustafson <degustaf@gmail.com>
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# Copyright (c) 2018 Ville Skyttä <ville.skytta@upcloud.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 codecs
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import os
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from difflib import unified_diff
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import pytest
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from pylint.pyreverse.diadefslib import DefaultDiadefGenerator, DiadefsHandler
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from pylint.pyreverse.inspector import Linker, project_from_files
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from pylint.pyreverse.utils import get_visibility
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from pylint.pyreverse.writer import DotWriter
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_DEFAULTS = {
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"all_ancestors": None,
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"show_associated": None,
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"module_names": None,
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"output_format": "dot",
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"diadefs_file": None,
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"quiet": 0,
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"show_ancestors": None,
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"classes": (),
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"all_associated": None,
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"mode": "PUB_ONLY",
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"show_builtin": False,
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"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 = [
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line.strip()
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for line in stream.readlines()
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if (
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line.find("squeleton generated by ") == -1
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and not line.startswith('__revision__ = "$Id:')
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)
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]
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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 an 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, 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" % (expected_file, generated_file)
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assert expected == generated, "%s%s" % (
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files,
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"\n".join(
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line for line in unified_diff(expected.splitlines(), generated.splitlines())
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),
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)
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os.remove(generated_file)
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@pytest.mark.parametrize(
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"names, expected",
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[
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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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(
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["_", "__", "___", "____", "_____", "___e__", "_nextsimple", "_filter_it_"],
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"protected",
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),
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],
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)
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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, "got %s instead of %s for value %s" % (
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got,
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expected,
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name,
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)
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