def test_A(self):
target = Target(Var('A', Any))
env = {}
x = ('q', 'u', 'a', 'e')
self.assertEqual(
(['q'], ('u', 'a', 'e'), {'A': ['q']}),
target.match(x, env)
)
def test_letter(self):
target = Target('a')
env = {}
x = (Letter('a', mockSource), Letter('b', mockSource))
self.assertEqual(
([Letter('a', mockSource)], (Letter('b', mockSource),), {}),
target.match(x, env)
)
def test_qu(self):
target = Target('q', 'u')
env = {}
x = ('q', 'u', 'a', 'e')
self.assertEqual(
(['q', 'u'], ('a', 'e'), {}),
target.match(x, env)
)
x = ('x', 'y')
self.assertEqual(
(None, None, None),
target.match(x, env)
)
x = ()
self.assertEqual(
(None, None, None),
target.match(x, env)
)
