f7338aa008
This patch is one in a series to re-enable H306 style check rule (imports are in alphabetical order). It touches roughly half of tests (up to and including test_m*). Implements: blueprint reduce-flake8-ignored-rules (partial) Change-Id: Id1e10f7a519ceeb4339488760b36950440461edb
222 lines
8.3 KiB
Python
222 lines
8.3 KiB
Python
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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import testtools
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from heat.engine.dependencies import CircularDependencyException
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from heat.engine.dependencies import Dependencies
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class dependenciesTest(testtools.TestCase):
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def _dep_test(self, func, checkorder, deps):
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nodes = set.union(*[set(e) for e in deps])
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d = Dependencies(deps)
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order = list(func(d))
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for n in nodes:
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self.assertTrue(n in order, '"%s" is not in the sequence' % n)
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self.assertEqual(1, order.count(n))
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self.assertEqual(len(nodes), len(order))
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for l, f in deps:
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checkorder(order.index(f), order.index(l))
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def _dep_test_fwd(self, *deps):
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def assertLess(a, b):
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self.assertTrue(a < b,
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'"%s" is not less than "%s"' % (str(a), str(b)))
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self._dep_test(iter, assertLess, deps)
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def _dep_test_rev(self, *deps):
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def assertGreater(a, b):
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self.assertTrue(a > b,
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'"%s" is not greater than "%s"' % (str(a), str(b)))
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self._dep_test(reversed, assertGreater, deps)
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def test_edges(self):
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input_edges = [('1', None), ('2', '3'), ('2', '4')]
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dp = Dependencies(input_edges)
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self.assertEqual(set(input_edges), set(dp.graph().edges()))
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def test_repr(self):
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dp = Dependencies([('1', None), ('2', '3'), ('2', '4')])
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s = "Dependencies([('1', None), ('2', '3'), ('2', '4')])"
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self.assertEqual(s, repr(dp))
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def test_single_node(self):
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d = Dependencies([('only', None)])
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l = list(iter(d))
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self.assertEqual(1, len(l))
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self.assertEqual('only', l[0])
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def test_disjoint(self):
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d = Dependencies([('1', None), ('2', None)])
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l = list(iter(d))
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self.assertEqual(2, len(l))
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self.assertIn('1', l)
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self.assertIn('2', l)
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def test_single_fwd(self):
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self._dep_test_fwd(('second', 'first'))
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def test_single_rev(self):
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self._dep_test_rev(('second', 'first'))
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def test_chain_fwd(self):
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self._dep_test_fwd(('third', 'second'), ('second', 'first'))
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def test_chain_rev(self):
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self._dep_test_rev(('third', 'second'), ('second', 'first'))
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def test_diamond_fwd(self):
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self._dep_test_fwd(('last', 'mid1'), ('last', 'mid2'),
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('mid1', 'first'), ('mid2', 'first'))
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def test_diamond_rev(self):
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self._dep_test_rev(('last', 'mid1'), ('last', 'mid2'),
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('mid1', 'first'), ('mid2', 'first'))
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def test_complex_fwd(self):
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self._dep_test_fwd(('last', 'mid1'), ('last', 'mid2'),
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('mid1', 'mid3'), ('mid1', 'first'),
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('mid3', 'first'), ('mid2', 'first'))
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def test_complex_rev(self):
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self._dep_test_rev(('last', 'mid1'), ('last', 'mid2'),
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('mid1', 'mid3'), ('mid1', 'first'),
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('mid3', 'first'), ('mid2', 'first'))
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def test_many_edges_fwd(self):
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self._dep_test_fwd(('last', 'e1'), ('last', 'mid1'), ('last', 'mid2'),
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('mid1', 'e2'), ('mid1', 'mid3'),
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('mid2', 'mid3'),
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('mid3', 'e3'))
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def test_many_edges_rev(self):
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self._dep_test_rev(('last', 'e1'), ('last', 'mid1'), ('last', 'mid2'),
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('mid1', 'e2'), ('mid1', 'mid3'),
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('mid2', 'mid3'),
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('mid3', 'e3'))
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def test_dbldiamond_fwd(self):
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self._dep_test_fwd(('last', 'a1'), ('last', 'a2'),
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('a1', 'b1'), ('a2', 'b1'), ('a2', 'b2'),
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('b1', 'first'), ('b2', 'first'))
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def test_dbldiamond_rev(self):
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self._dep_test_rev(('last', 'a1'), ('last', 'a2'),
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('a1', 'b1'), ('a2', 'b1'), ('a2', 'b2'),
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('b1', 'first'), ('b2', 'first'))
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def test_circular_fwd(self):
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d = Dependencies([('first', 'second'),
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('second', 'third'),
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('third', 'first')])
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self.assertRaises(CircularDependencyException, list, iter(d))
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def test_circular_rev(self):
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d = Dependencies([('first', 'second'),
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('second', 'third'),
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('third', 'first')])
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self.assertRaises(CircularDependencyException, list, reversed(d))
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def test_self_ref(self):
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d = Dependencies([('node', 'node')])
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self.assertRaises(CircularDependencyException, list, iter(d))
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def test_complex_circular_fwd(self):
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d = Dependencies([('last', 'e1'), ('last', 'mid1'), ('last', 'mid2'),
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('mid1', 'e2'), ('mid1', 'mid3'),
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('mid2', 'mid3'),
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('mid3', 'e3'),
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('e3', 'mid1')])
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self.assertRaises(CircularDependencyException, list, iter(d))
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def test_complex_circular_rev(self):
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d = Dependencies([('last', 'e1'), ('last', 'mid1'), ('last', 'mid2'),
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('mid1', 'e2'), ('mid1', 'mid3'),
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('mid2', 'mid3'),
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('mid3', 'e3'),
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('e3', 'mid1')])
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self.assertRaises(CircularDependencyException, list, reversed(d))
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def test_noexist_partial(self):
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d = Dependencies([('foo', 'bar')])
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get = lambda i: d[i]
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self.assertRaises(KeyError, get, 'baz')
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def test_single_partial(self):
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d = Dependencies([('last', 'first')])
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p = d['last']
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l = list(iter(p))
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self.assertEqual(1, len(l))
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self.assertEqual('last', l[0])
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def test_simple_partial(self):
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d = Dependencies([('last', 'middle'), ('middle', 'first')])
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p = d['middle']
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order = list(iter(p))
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self.assertEqual(2, len(order))
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for n in ('last', 'middle'):
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self.assertTrue(n in order,
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"'%s' not found in dependency order" % n)
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self.assertTrue(order.index('last') > order.index('middle'))
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def test_simple_multilevel_partial(self):
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d = Dependencies([('last', 'middle'),
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('middle', 'target'),
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('target', 'first')])
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p = d['target']
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order = list(iter(p))
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self.assertEqual(3, len(order))
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for n in ('last', 'middle', 'target'):
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self.assertTrue(n in order,
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"'%s' not found in dependency order" % n)
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def test_complex_partial(self):
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d = Dependencies([('last', 'e1'), ('last', 'mid1'), ('last', 'mid2'),
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('mid1', 'e2'), ('mid1', 'mid3'),
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('mid2', 'mid3'),
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('mid3', 'e3')])
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p = d['mid3']
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order = list(iter(p))
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self.assertEqual(4, len(order))
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for n in ('last', 'mid1', 'mid2', 'mid3'):
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self.assertTrue(n in order,
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"'%s' not found in dependency order" % n)
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def test_required_by(self):
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d = Dependencies([('last', 'e1'), ('last', 'mid1'), ('last', 'mid2'),
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('mid1', 'e2'), ('mid1', 'mid3'),
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('mid2', 'mid3'),
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('mid3', 'e3')])
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self.assertEqual(0, len(list(d.required_by('last'))))
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required_by = list(d.required_by('mid3'))
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self.assertEqual(2, len(required_by))
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for n in ('mid1', 'mid2'):
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self.assertTrue(n in required_by,
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"'%s' not found in required_by" % n)
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required_by = list(d.required_by('e2'))
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self.assertEqual(1, len(required_by))
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self.assertTrue('mid1' in required_by,
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"'%s' not found in required_by" % n)
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self.assertRaises(KeyError, d.required_by, 'foo')
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