def test_evaluate(self):
self.assertTrue(
XnorStatement(FalseStatement(), FalseStatement()).evaluate({}))
self.assertFalse(
XnorStatement(FalseStatement(), TrueStatement()).evaluate({}))
self.assertFalse(
XnorStatement(TrueStatement(), FalseStatement()).evaluate({}))
self.assertTrue(
XnorStatement(TrueStatement(), TrueStatement()).evaluate({}))
def test_str(self):
self.assertEqual(
OrStatement([
VariableStatement('foo'),
VariableStatement('foo'),
VariableStatement('bar'),
TrueStatement()
]).__str__(), "(foo | foo | bar | 1)")
def test_get_variables(self):
self.assertSetEqual(
OrStatement([
VariableStatement('foo'),
VariableStatement('foo'),
VariableStatement('bar'),
TrueStatement()
]).get_variables(), {'foo', 'bar'})
def test_str(self):
self.assertEqual(
AndStatement([
VariableStatement('foo'),
VariableStatement('foo'),
VariableStatement('bar'),
TrueStatement()
]).__str__(), "(foo & foo & bar & 1)")
def test_evaluate(self):
self.assertTrue(OrStatement([TrueStatement()]).evaluate({}))
self.assertFalse(OrStatement([FalseStatement()]).evaluate({}))
self.assertTrue(
OrStatement([TrueStatement(),
TrueStatement(),
TrueStatement()]).evaluate({}))
self.assertTrue(
OrStatement([TrueStatement(),
FalseStatement(),
TrueStatement()]).evaluate({}))
def test_get_variables(self):
self.assertSetEqual(TrueStatement().get_variables(), set())
def test_str(self):
self.assertEqual(TrueStatement().__str__(), '1')
def test_evaluate(self):
self.assertTrue(TrueStatement().evaluate({'a': True, 'b': False}))