def test_consume_change(self):
detector = _TextChangeDetector('1\n2\n', '1\n3\n')
self.assertTrue(detector.is_changed(1, 2))
self.assertTrue(detector.consume_changes(1, 2))
self.assertFalse(detector.is_changed(1, 2))
def test_line_removals(self):
detector = _TextChangeDetector('1\n3\n4\n2\n', '1\n2\n')
self.assertFalse(detector.is_changed(1, 1))
self.assertTrue(detector.is_changed(2, 3))
self.assertFalse(detector.is_changed(4, 4))
def test_multi_line_checks(self):
detector = _TextChangeDetector('1\n2\n', '1\n3\n')
self.assertTrue(detector.is_changed(1, 2))
def test_one_line_change(self):
detector = _TextChangeDetector('1\n2\n', '1\n3\n')
self.assertFalse(detector.is_changed(1, 1))
self.assertTrue(detector.is_changed(2, 2))
def test_line_expansion(self):
detector = _TextChangeDetector('1\n2\n', '1\n3\n4\n2\n')
self.assertFalse(detector.is_changed(1, 1))
self.assertFalse(detector.is_changed(2, 2))
def test_consume_change(self):
detector = _TextChangeDetector('1\n2\n', '1\n3\n')
self.assertTrue(detector.is_changed(1, 2))
self.assertTrue(detector.consume_changes(1, 2))
self.assertFalse(detector.is_changed(1, 2))
def test_trivial_case(self):
detector = _TextChangeDetector('\n', '\n')
self.assertFalse(detector.is_changed(1, 1))
def test_multi_line_checks(self):
detector = _TextChangeDetector('1\n2\n', '1\n3\n')
self.assertTrue(detector.is_changed(1, 2))
def test_line_removals(self):
detector = _TextChangeDetector('1\n3\n4\n2\n', '1\n2\n')
self.assertFalse(detector.is_changed(1, 1))
self.assertTrue(detector.is_changed(2, 3))
self.assertFalse(detector.is_changed(4, 4))
def test_line_expansion(self):
detector = _TextChangeDetector('1\n2\n', '1\n3\n4\n2\n')
self.assertFalse(detector.is_changed(1, 1))
self.assertFalse(detector.is_changed(2, 2))
def test_one_line_change(self):
detector = _TextChangeDetector('1\n2\n', '1\n3\n')
self.assertFalse(detector.is_changed(1, 1))
self.assertTrue(detector.is_changed(2, 2))
def test_trivial_case(self):
detector = _TextChangeDetector('\n', '\n')
self.assertFalse(detector.is_changed(1, 1))
