def test_inserting_with_split(self):
buffer = FileBuffer()
buffer.insert(0, b'abcd')
buffer.insert(4, b'efgh')
buffer.insert(3, b'!')
self.assertEqual(buffer.windows, [
BufferContentWindow(0, b'abc'),
BufferContentWindow(3, b'!'),
BufferContentWindow(4, b'd'),
BufferContentWindow(5, b'efgh'),
])
def test_inserting_at_edges(self):
buffer = FileBuffer()
buffer.insert(0, b'4')
buffer.insert(0, b'2')
buffer.insert(1, b'3')
buffer.insert(0, b'1')
self.assertEqual(buffer.windows, [
BufferContentWindow(0, b'1'),
BufferContentWindow(1, b'2'),
BufferContentWindow(2, b'3'),
BufferContentWindow(3, b'4'),
])
def test_invalid_cloning(self):
window = BufferContentWindow(1, b'abcd')
with self.assertRaises(AssertionError):
window.clone(1, 5)
with self.assertRaises(AssertionError):
window.clone(0, 1)
with self.assertRaises(AssertionError):
window.clone(5, 1)
def test_invalid_sizes_or_offsets(self):
window = BufferContentWindow(1, b'abcd')
with self.assertRaises(AssertionError):
window.get(1, 5)
with self.assertRaises(AssertionError):
window.get(0, 1)
with self.assertRaises(AssertionError):
window.get(5, 1)
def do_test(self, spec):
window, input_texts, texts_wo_hash, _ = parse_spec(spec)
buffer = FileBuffer()
input_offset = 0
for text in input_texts:
buffer.insert(input_offset, text)
input_offset += len(text)
buffer.delete(window.start_offset, window.size)
output_offset = 0
output_windows = [BufferContentWindow(0, text) for text in texts_wo_hash]
for output_range in output_windows:
output_range.start_offset = output_offset
output_offset += output_range.size
self.assertEqual(buffer.windows, output_windows)
def test_simple_inserting(self):
buffer = FileBuffer()
buffer.insert(0, b'test')
self.assertEqual(buffer.windows, [BufferContentWindow(0, b'test')])
def test_cloning(self):
window1 = BufferContentWindow(1, b'abcd')
window2 = window1.clone(2, 3)
self.assertEqual(window2.get(2, 3), b'bcd')
def test_nonzero_position(self):
window = BufferContentWindow(1, b'abc')
self.assertEqual(window.get(1, 3), b'abc')
self.assertEqual(window.get(2, 2), b'bc')
def test_zero_position(self):
window = BufferContentWindow(0, b'xyyy')
self.assertEqual(window.get(1, 3), b'yyy')
