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restore resolver test

Signed-off-by: Nico Schottelius <nico@brief.schottelius.org>
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1 parent 6d10f2e commit 44a0f5d7bbacdf7a6448a1909b88a5854e240b72 Nico Schottelius committed Feb 22, 2013
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  1. +88 −0 cdist/test/resolver/__init__.py
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88 cdist/test/resolver/__init__.py
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+# -*- coding: utf-8 -*-
+#
+# 2010-2011 Steven Armstrong (steven-cdist at armstrong.cc)
+#
+# This file is part of cdist.
+#
+# cdist is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+#
+# cdist is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with cdist. If not, see <http://www.gnu.org/licenses/>.
+#
+#
+
+import os
+import shutil
+
+import cdist
+from cdist import test
+from cdist import core
+from cdist import resolver
+
+import os.path as op
+my_dir = op.abspath(op.dirname(__file__))
+fixtures = op.join(my_dir, 'fixtures')
+object_base_path = op.join(fixtures, 'object')
+type_base_path = op.join(fixtures, 'type')
+
+
+class ResolverTestCase(test.CdistTestCase):
+
+ def setUp(self):
+ self.objects = list(core.CdistObject.list_objects(object_base_path, type_base_path))
+ self.object_index = dict((o.name, o) for o in self.objects)
+ self.dependency_resolver = resolver.DependencyResolver(self.objects)
+
+ def tearDown(self):
+ for o in self.objects:
+ o.requirements = []
+
+ def test_find_requirements_by_name_string(self):
+ requirements = ['__first/man', '__second/on-the', '__third/moon']
+ required_objects = [self.object_index[name] for name in requirements]
+ self.assertEqual(sorted(list(self.dependency_resolver.find_requirements_by_name(requirements))),
+ sorted(required_objects))
+
+ def test_find_requirements_by_name_pattern(self):
+ requirements = ['__first/*', '__second/*-the', '__third/moon']
+ requirements_expanded = [
+ '__first/child', '__first/dog', '__first/man', '__first/woman',
+ '__second/on-the', '__second/under-the',
+ '__third/moon'
+ ]
+ required_objects = [self.object_index[name] for name in requirements_expanded]
+ self.assertEqual(sorted(list(self.dependency_resolver.find_requirements_by_name(requirements))),
+ sorted(required_objects))
+
+ def test_dependency_resolution(self):
+ first_man = self.object_index['__first/man']
+ second_on_the = self.object_index['__second/on-the']
+ third_moon = self.object_index['__third/moon']
+ first_man.requirements = [second_on_the.name]
+ second_on_the.requirements = [third_moon.name]
+ self.assertEqual(
+ self.dependency_resolver.dependencies['__first/man'],
+ [third_moon, second_on_the, first_man]
+ )
+
+ def test_circular_reference(self):
+ first_man = self.object_index['__first/man']
+ first_woman = self.object_index['__first/woman']
+ first_man.requirements = [first_woman.name]
+ first_woman.requirements = [first_man.name]
+ with self.assertRaises(resolver.CircularReferenceError):
+ self.dependency_resolver.dependencies
+
+ def test_requirement_not_found(self):
+ first_man = self.object_index['__first/man']
+ first_man.requirements = ['__does/not/exist']
+ with self.assertRaises(cdist.Error):
+ self.dependency_resolver.dependencies

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