def testTwoRelationships(self):
schema = Schema()
schema.addEntity('A')
schema.addEntity('B')
schema.addEntity('C')
schema.addRelationship('AB', ('A', Schema.MANY), ('B', Schema.ONE))
schema.addRelationship('BC', ('B', Schema.ONE), ('C', Schema.MANY))
relPaths = RelationalSpace.getRelationalPaths(schema, 0)
hop0 = [['A'], ['B'], ['C'], ['AB'], ['BC']]
TestUtil.assertUnorderedListEqual(self, hop0, relPaths)
relPaths = RelationalSpace.getRelationalPaths(schema, 1)
hop1 = [['A', 'AB'], ['B', 'AB'], ['B', 'BC'], ['C', 'BC'],
['AB', 'A'], ['AB', 'B'], ['BC', 'C'], ['BC', 'B']]
TestUtil.assertUnorderedListEqual(self, hop0 + hop1, relPaths)
relPaths = RelationalSpace.getRelationalPaths(schema, 2)
hop2 = [['A', 'AB', 'B'], ['B', 'AB', 'A'], ['B', 'BC', 'C'],
['C', 'BC', 'B'], ['AB', 'A', 'AB'], ['AB', 'B', 'BC'],
['BC', 'C', 'BC'], ['BC', 'B', 'AB']]
TestUtil.assertUnorderedListEqual(self, hop0 + hop1 + hop2, relPaths)
relPaths = RelationalSpace.getRelationalPaths(schema, 3)
hop3 = [['A', 'AB', 'B', 'BC'], ['B', 'AB', 'A', 'AB'],
['B', 'BC', 'C', 'BC'], ['C', 'BC', 'B', 'AB'],
['AB', 'A', 'AB', 'B'], ['AB', 'B', 'BC', 'C'],
['BC', 'C', 'BC', 'B'], ['BC', 'B', 'AB', 'A']]
TestUtil.assertUnorderedListEqual(self, hop0 + hop1 + hop2 + hop3,
relPaths)
def testOneEntity(self):
schema = Schema()
schema.addEntity('A')
relPaths = RelationalSpace.getRelationalPaths(schema, 0)
TestUtil.assertUnorderedListEqual(self, [['A']], relPaths)
schema = Schema()
schema.addEntity('B')
relPaths = RelationalSpace.getRelationalPaths(schema, 0)
TestUtil.assertUnorderedListEqual(self, [['B']], relPaths)
schema.addEntity('A')
relPaths = RelationalSpace.getRelationalPaths(schema, 0)
TestUtil.assertUnorderedListEqual(self, [['A'], ['B']], relPaths)
def testOneRelationshipOneToMany(self):
schema = Schema()
schema.addEntity('A')
schema.addEntity('B')
schema.addRelationship('AB', ('A', Schema.MANY), ('B', Schema.ONE))
relPaths = RelationalSpace.getRelationalPaths(schema, 0)
hop0 = [['A'], ['B'], ['AB']]
TestUtil.assertUnorderedListEqual(self, hop0, relPaths)
relPaths = RelationalSpace.getRelationalPaths(schema, 1)
hop1 = [['A', 'AB'], ['AB', 'A'], ['AB', 'B'], ['B', 'AB']]
TestUtil.assertUnorderedListEqual(self, hop0 + hop1, relPaths)
relPaths = RelationalSpace.getRelationalPaths(schema, 2)
hop2 = [['A', 'AB', 'B'], ['AB', 'A', 'AB'], ['B', 'AB', 'A']]
TestUtil.assertUnorderedListEqual(self, hop0 + hop1 + hop2, relPaths)
relPaths = RelationalSpace.getRelationalPaths(schema, 3)
hop3 = [['AB', 'A', 'AB', 'B'], ['B', 'AB', 'A', 'AB']]
TestUtil.assertUnorderedListEqual(self, hop0 + hop1 + hop2 + hop3,
relPaths)
relPaths = RelationalSpace.getRelationalPaths(schema, 4)
hop4 = [['B', 'AB', 'A', 'AB', 'B']]
TestUtil.assertUnorderedListEqual(self,
hop0 + hop1 + hop2 + hop3 + hop4,
relPaths)
relPaths = RelationalSpace.getRelationalPaths(schema, 5)
hop5 = []
TestUtil.assertUnorderedListEqual(
self, hop0 + hop1 + hop2 + hop3 + hop4 + hop5, relPaths)
def testOneRelationshipManyToOne(self):
schema = Schema()
schema.addEntity('A')
schema.addEntity('B')
schema.addRelationship('AB', ('A', Schema.ONE), ('B', Schema.MANY))
relPaths = RelationalSpace.getRelationalPaths(schema, 3)
hopUpTo3 = [['A'], ['B'], ['AB'], ['A', 'AB'], ['AB',
'A'], ['AB', 'B'],
['B', 'AB'], ['A', 'AB', 'B'], ['AB', 'B', 'AB'],
['B', 'AB', 'A'], ['A', 'AB', 'B', 'AB'],
['AB', 'B', 'AB', 'A']]
TestUtil.assertUnorderedListEqual(self, hopUpTo3, relPaths)
