def do_test(self, spec):
window, input_texts, _, texts_w_hash = parse_spec(spec)
buffer = FileBuffer()
input_offset = 0
for text in input_texts:
buffer.insert(input_offset, text)
input_offset += len(text)
self.assertEqual(
buffer.get(window.start_offset, window.size), b''.join(texts_w_hash))
def _get_or_create_file_buffer(self, path):
''' If the file is already opened in some tab, share file buffer. '''
if not path:
return FileBuffer()
for tab in self.tabs:
if tab.file_buffer.path \
and path \
and os.path.samefile(tab.file_buffer.path, path):
return tab.file_buffer
return FileBuffer(path)
def test_invalid_insertions(self):
buffer = FileBuffer()
buffer.insert(0, b'x')
with self.assertRaises(AssertionError):
buffer.insert(2, b'whatever')
with self.assertRaises(AssertionError):
buffer.insert(-1, b'w')
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 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_empty_insertions(self):
buffer = FileBuffer()
buffer.insert(0, b'')
self.assertEqual(buffer.windows, [])
def test_simple_inserting(self):
buffer = FileBuffer()
buffer.insert(0, b'test')
self.assertEqual(buffer.windows, [BufferContentWindow(0, b'test')])
