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from unittest import TestCase |
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import itertools |
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from ppp_datamodel import Resource, Triple, Missing, Intersection, Union, List, Union, And, Or, Exists, Nth, first, last, Sort |
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from ppp_datamodel import utils |
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T = Triple |
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R = Resource |
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M = Missing |
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class UtilsTests(utils.InclusionTestCase): |
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def testContainsMissing(self): |
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f = utils.contains_missing |
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self.assertTrue(f(T(subject=R(value='foo'), object=T(subject=M())))) |
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self.assertFalse(f(T(subject=R(value='foo'), object=T(subject=R('foo'))))) |
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self.assertTrue(f(M())) |
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def testInclusionBasic(self): |
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self.assertIncluded(Missing(), Missing()) |
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self.assertIncluded(Resource('foo'), Resource('foo')) |
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with self.assertRaises(AssertionError): |
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self.assertIncluded(Resource('foo'), Resource('bar')) |
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self.assertIncluded(List([Resource('foo')]), Resource('foo')) |
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with self.assertRaises(AssertionError): |
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self.assertIncluded(List([Resource('foo')]), Resource('bar')) |
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self.assertIncluded(Resource('foo'), List([Resource('foo')])) |
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with self.assertRaises(AssertionError): |
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self.assertIncluded(Resource('foo'), List([Resource('bar')])) |
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self.assertIncluded(List([Resource('foo')]), List([Resource('foo')])) |
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with self.assertRaises(AssertionError): |
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self.assertIncluded(List([Resource('foo')]), |
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List([Resource('bar')])) |
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self.assertIncluded(List([Resource('foo')]), |
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List([Resource('foo'), Resource('bar')])) |
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with self.assertRaises(AssertionError): |
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self.assertIncluded(List([Resource('foo'), Resource('bar')]), |
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List([Resource('foo')])) |
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def testInclusionDifferentType(self): |
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l = [Resource('foo'), Missing(), Triple(Resource('foo'), |
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Resource('foo'), Resource('foo')),\ |
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Intersection([Resource('foo')]), Union([Resource('foo')]),\ |
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And([Resource('foo')]), Or([Resource('foo')]), |
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Exists(Resource('foo')), first(Resource('foo')), |
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last(Resource('foo')), Sort(Resource('foo'), Resource('pred'))] |
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for (t1, t2) in itertools.permutations(l, 2): |
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with self.assertRaises(AssertionError): |
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self.assertFalse(self.assertIncluded(t1, t2)) |
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def testInclusionTriple(self): |
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tree1=Triple(Resource('foo'), |
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List([Resource('a'), Resource('b')]), Missing()) |
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tree2=Triple(List([Resource('bar'), Resource('foo')]), |
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List([Resource('a'), Resource('d'), Resource('b')]), Missing()) |
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self.assertIncluded(tree1, tree2) |
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with self.assertRaises(AssertionError): |
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self.assertIncluded(tree2, tree1) |
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def testInclusionTriple2(self): |
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tree1=Triple(Resource('a'),Resource('b'), Resource('c'), Resource('d')) |
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tree2=Triple(Resource('a'),Resource('b'), Resource('c'), List([Resource('d'),Resource('e')])) |
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self.assertIncluded(tree1, tree2) |
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with self.assertRaises(AssertionError): |
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self.assertIncluded(tree2, tree1) |
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def testInclusionFirstLastSort(self): |
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tree1=Triple(Resource('foo'), List([Resource('a'), Resource('b')]), |
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Missing()) |
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tree2=Triple(List([Resource('bar'), Resource('foo')]), |
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List([Resource('a'), Resource('d'), Resource('b')]), Missing()) |
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for op in (last, first): |
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self.assertIncluded(op(tree1), op(tree2)) |
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with self.assertRaises(AssertionError): |
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self.assertIncluded(op(tree2), op(tree1)) |
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self.assertIncluded(Sort(tree1, Resource('pred')), |
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Sort(tree2, Resource('pred'))) |
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with self.assertRaises(AssertionError): |
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self.assertIncluded(Sort(tree2, Resource('pred')), |
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Sort(tree1, Resource('pred'))) |
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with self.assertRaises(AssertionError): |
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self.assertIncluded(Sort(tree1, Resource('pred')), |
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Sort(tree2, Resource('derp'))) |
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def testInclusionIntersectionUnionAndOr(self): |
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tree1=Triple(Resource('foo'), List([Resource('a'), Resource('b')]), |
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Missing()) |
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tree2=Triple(List([Resource('bar'), Resource('foo')]), |
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List([Resource('a'), Resource('d'), Resource('b')]), Missing()) |
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tree3=Missing() |
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for op in [Intersection,Union,And, Or]: |
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self.assertIncluded(op([tree1]), op([tree2])) |
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with self.assertRaises(AssertionError): |
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self.assertIncluded(op([tree2]), op([tree1])) |
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self.assertIncluded(op([tree1, tree3]), op([tree1, tree3])) |
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self.assertIncluded(op([tree1, tree3]), op([tree3, tree1])) |
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with self.assertRaises(AssertionError): |
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self.assertIncluded(op([tree1, tree3]), op([tree1])) |
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with self.assertRaises(AssertionError): |
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self.assertIncluded(op([tree1]), op([tree3])) |
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def testUnknownClass(self): |
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class Foo: |
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pass |
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with self.assertRaises(TypeError): |
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self.assertIncluded(Foo(),Foo()) |
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