def test_case_changes(self):
opcodes = diff._get_opcodes(['A', 'B b'], ['A', 'B B'], ignore_case=0)
self.assertEqual(('equal', 0, 1, 0, 1), opcodes.next())
self.assertEqual(('replace', 1, 2, 1, 2), opcodes.next())
opcodes = diff._get_opcodes(['A', 'B b'], ['A', 'B B'], ignore_case=1)
self.assertEqual(('equal', 0, 2, 0, 2), opcodes.next())
def test_space_and_case_changes(self):
opcodes = diff._get_opcodes(['A', 'B b'], ['A', 'B B'],
ignore_case=0, ignore_space_changes=0)
self.assertEqual(('equal', 0, 1, 0, 1), opcodes.next())
self.assertEqual(('replace', 1, 2, 1, 2), opcodes.next())
opcodes = diff._get_opcodes(['A', 'B b'], ['A', 'B B'],
ignore_case=1, ignore_space_changes=1)
self.assertEqual(('equal', 0, 2, 0, 2), opcodes.next())
def test_delete_blank_line(self):
opcodes = diff._get_opcodes(['A', 'B', ''], ['A', 'B'],
ignore_blank_lines=0)
self.assertEqual(('equal', 0, 2, 0, 2), opcodes.next())
self.assertEqual(('delete', 2, 3, 2, 2), opcodes.next())
opcodes = diff._get_opcodes(['A', 'B', ''], ['A', 'B'],
ignore_blank_lines=1)
self.assertEqual(('equal', 0, 3, 0, 2), opcodes.next())
opcodes = diff._get_opcodes(['A', 'B', ''], ['A'],
ignore_blank_lines=1)
self.assertEqual(('equal', 0, 1, 0, 1), opcodes.next())
self.assertEqual(('delete', 1, 3, 1, 1), opcodes.next())
def test_delete_blank_line(self):
opcodes = diff._get_opcodes(['A', 'B', ''], ['A', 'B'],
ignore_blank_lines=0)
self.assertEqual(('equal', 0, 2, 0, 2), opcodes.next())
self.assertEqual(('delete', 2, 3, 2, 2), opcodes.next())
opcodes = diff._get_opcodes(['A', 'B', ''], ['A', 'B'],
ignore_blank_lines=1)
self.assertEqual(('equal', 0, 3, 0, 2), opcodes.next())
opcodes = diff._get_opcodes(['A', 'B', ''], ['A'],
ignore_blank_lines=1)
self.assertEqual(('equal', 0, 1, 0, 1), opcodes.next())
self.assertEqual(('delete', 1, 3, 1, 1), opcodes.next())
def test_grouped_opcodes_context1(self):
opcodes = diff._get_opcodes(['A', 'B', 'C', 'D', 'E', 'F', 'G', 'H'],
['A', 'B', 'C', 'd', 'e', 'f', 'G', 'H'])
groups = diff._group_opcodes(opcodes, n=1)
group = groups.next()
self.assertEqual(('equal', 2, 3, 2, 3), group[0])
self.assertEqual(('replace', 3, 6, 3, 6), group[1])
self.assertEqual(('equal', 6, 7, 6, 7), group[2])
def test_grouped_opcodes_context1(self):
opcodes = diff._get_opcodes(['A', 'B', 'C', 'D', 'E', 'F', 'G', 'H'],
['A', 'B', 'C', 'd', 'e', 'f', 'G', 'H'])
groups = diff._group_opcodes(opcodes, n=1)
group = groups.next()
self.assertEqual(('equal', 2, 3, 2, 3), group[0])
self.assertEqual(('replace', 3, 6, 3, 6), group[1])
self.assertEqual(('equal', 6, 7, 6, 7), group[2])
def test_grouped_opcodes_insert_blank_line_at_top(self):
"""
Regression test for #2090. Make sure that the equal block following an
insert at the top of a file is correct.
"""
opcodes = diff._get_opcodes(['B', 'C', 'D', 'E', 'F', 'G'],
['A', 'B', 'C', 'D', 'E', 'F', 'G'])
groups = diff._group_opcodes(opcodes, n=3)
self.assertEqual([('insert', 0, 0, 0, 1), ('equal', 0, 3, 1, 4)],
groups.next())
def test_grouped_opcodes_insert_blank_line_at_top(self):
"""
Regression test for #2090. Make sure that the equal block following an
insert at the top of a file is correct.
"""
opcodes = diff._get_opcodes(['B', 'C', 'D', 'E', 'F', 'G'],
['A', 'B', 'C', 'D', 'E', 'F', 'G'])
groups = diff._group_opcodes(opcodes, n=3)
self.assertEqual([('insert', 0, 0, 0, 1), ('equal', 0, 3, 1, 4)],
groups.next())