def test_removeAllWithoutParam(self):
gr = Grammar()
gr.add_term([0, 'asdf', TempClass])
self.assertEqual(gr.terms_count(), 3)
gr.remove_term()
self.assertEqual(gr.terms_count(), 0)
self.assertFalse(gr.have_term(TempClass))
self.assertFalse(gr.have_term('asdf'))
self.assertFalse(gr.have_term(0))
def test_removeTwoInTuple(self):
gr = Grammar()
gr.add_term([0, 'asdf', TempClass])
self.assertEqual(gr.terms_count(), 3)
gr.remove_term((0, 'asdf'))
self.assertEqual(gr.terms_count(), 1)
self.assertTrue(gr.have_term(TempClass))
self.assertFalse(gr.have_term('asdf'))
self.assertFalse(gr.have_term(0))
def test_addThreeOneDelete(self):
gr = Grammar(terminals=('A', 'B', 'C'))
self.assertTrue(gr.have_term('A'))
self.assertTrue(gr.have_term('B'))
self.assertTrue(gr.have_term('C'))
self.assertTrue(gr.have_term(['A', 'B', 'C']))
self.assertFalse(gr.have_term('D'))
gr.remove_term('B')
self.assertTrue(gr.have_term('A'))
self.assertFalse(gr.have_term('B'))
self.assertTrue(gr.have_term('C'))
self.assertTrue(gr.have_term(['A', 'C']))
self.assertFalse(gr.have_term('D'))
def test_addThreeRemoveTwoInArray(self):
gr = Grammar()
add = gr.add_term([0, 'asdf', TempClass])
self.assertEqual(add[0].s, 0)
self.assertEqual(add[1].s, 'asdf')
self.assertEqual(add[2].s, TempClass)
self.assertEqual(gr.terms_count(), 3)
self.assertIsNotNone(gr.get_term(0))
self.assertIsNotNone(gr.term(0))
self.assertTrue(isinstance(gr.term(0), Terminal))
self.assertEqual(gr.term(0).s, 0)
self.assertIsNotNone(gr.get_term('asdf'))
self.assertIsNotNone(gr.term('asdf'))
self.assertTrue(isinstance(gr.term('asdf'), Terminal))
self.assertEqual(gr.term('asdf').s, 'asdf')
self.assertIsNotNone(gr.get_term(TempClass))
self.assertIsNotNone(gr.term(TempClass))
self.assertTrue(isinstance(gr.term(TempClass), Terminal))
self.assertEqual(gr.term(TempClass).s, TempClass)
rem = gr.remove_term([0, 'asdf'])
self.assertEqual(rem[0].s, 0)
self.assertEqual(rem[1].s, 'asdf')
self.assertEqual(gr.terms_count(), 1)
self.assertTrue(gr.have_term(TempClass))
self.assertFalse(gr.have_term(0))
self.assertFalse(gr.have_term('asdf'))
self.assertEqual(gr.add_term(0)[0].s, 0)
self.assertEqual(gr.terms_count(), 2)
self.assertTrue(gr.have_term(TempClass))
self.assertTrue(gr.have_term(0))
self.assertFalse(gr.have_term('asdf'))
def test_add_remove_add_one(self):
gr = Grammar()
self.assertEqual(gr.terms_count(), 0)
self.assertFalse(gr.have_term(0))
self.assertIsNone(gr.get_term(0))
self.assertIsNone(gr.term(0))
self.assertEqual(gr.add_term(0)[0].s, 0)
self.assertEqual(gr.terms_count(), 1)
self.assertIsNotNone(gr.get_term(0))
self.assertIsNotNone(gr.term(0))
self.assertTrue(isinstance(gr.term(0), Terminal))
self.assertEqual(gr.term(0).symbol(), 0)
self.assertEqual(gr.remove_term(0)[0].s, 0)
self.assertEqual(gr.terms_count(), 0)
self.assertFalse(gr.have_term(0))
self.assertIsNone(gr.get_term(0))
self.assertIsNone(gr.term(0))
def test_addTwoRemoveOneAndAddThird(self):
gr = Grammar()
self.assertEqual(gr.add_term(0)[0].s, 0)
self.assertEqual(gr.add_term('asdf')[0].s, 'asdf')
self.assertEqual(gr.terms_count(), 2)
self.assertIsNotNone(gr.get_term(0))
self.assertIsNotNone(gr.term(0))
self.assertTrue(isinstance(gr.term(0), Terminal))
self.assertEqual(gr.term(0).s, 0)
self.assertIsNotNone(gr.get_term('asdf'))
self.assertIsNotNone(gr.term('asdf'))
self.assertTrue(isinstance(gr.term('asdf'), Terminal))
self.assertEqual(gr.term('asdf').s, 'asdf')
self.assertEqual(gr.remove_term('asdf')[0].s, 'asdf')
self.assertEqual(gr.terms_count(), 1)
self.assertIsNotNone(gr.get_term(0))
self.assertIsNotNone(gr.term(0))
self.assertTrue(isinstance(gr.term(0), Terminal))
self.assertEqual(gr.term(0).s, 0)
self.assertEqual(gr.add_term(TempClass)[0].s, TempClass)
self.assertEqual(gr.terms_count(), 2)
self.assertTrue(gr.have_term(0))
self.assertFalse(gr.have_term('asdf'))
self.assertTrue(gr.have_term(TempClass))
def test_removeEmptyGrammar(self):
gr = Grammar()
self.assertEqual(gr.terms_count(), 0)
gr.remove_term()
self.assertEqual(gr.terms_count(), 0)
