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- # Copyright (c) 2006-2008, 2010, 2013 LOGILAB S.A. (Paris, FRANCE) <contact@logilab.fr>
- # Copyright (c) 2012 FELD Boris <lothiraldan@gmail.com>
- # Copyright (c) 2014-2017 Claudiu Popa <pcmanticore@gmail.com>
- # Copyright (c) 2014 Google, Inc.
- # Copyright (c) 2015 Ionel Cristian Maries <contact@ionelmc.ro>
- # Copyright (c) 2016 Derek Gustafson <degustaf@gmail.com>
-
- # Licensed under the GPL: https://www.gnu.org/licenses/old-licenses/gpl-2.0.html
- # For details: https://github.com/PyCQA/pylint/blob/master/COPYING
-
- import os
- from os.path import exists
-
- import pytest
-
- from pylint.checkers import initialize, imports
- from pylint.lint import PyLinter
-
- import pylint.testutils as testutils
-
-
- @pytest.fixture
- def dest():
- dest = 'dependencies_graph.dot'
- yield dest
- os.remove(dest)
-
-
- def test_dependencies_graph(dest):
- imports._dependencies_graph(dest, {'labas': ['hoho', 'yep'],
- 'hoho': ['yep']})
- with open(dest) as stream:
- assert stream.read().strip() == '''
- digraph "dependencies_graph" {
- rankdir=LR
- charset="utf-8"
- URL="." node[shape="box"]
- "hoho" [];
- "yep" [];
- "labas" [];
- "yep" -> "hoho" [];
- "hoho" -> "labas" [];
- "yep" -> "labas" [];
- }
- '''.strip()
-
-
- @pytest.fixture
- def linter():
- l = PyLinter(reporter=testutils.TestReporter())
- initialize(l)
- return l
-
-
- @pytest.fixture
- def remove_files():
- yield
- for fname in ('import.dot', 'ext_import.dot', 'int_import.dot'):
- try:
- os.remove(fname)
- except:
- pass
-
-
- @pytest.mark.usefixture("remove_files")
- def test_checker_dep_graphs(linter):
- l = linter
- l.global_set_option('persistent', False)
- l.global_set_option('reports', True)
- l.global_set_option('enable', 'imports')
- l.global_set_option('import-graph', 'import.dot')
- l.global_set_option('ext-import-graph', 'ext_import.dot')
- l.global_set_option('int-import-graph', 'int_import.dot')
- l.global_set_option('int-import-graph', 'int_import.dot')
- # ignore this file causing spurious MemoryError w/ some python version (>=2.3?)
- l.global_set_option('ignore', ('func_unknown_encoding.py',))
- l.check('input')
- l.generate_reports()
- assert exists('import.dot')
- assert exists('ext_import.dot')
- assert exists('int_import.dot')
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