def test_should_not_get_timeout_if_forward_fetch_returns_correct_number_of_records(self):
buf = ScreenBuffer(2, buffer_size=5, timeout=13)
drv = ScreenBufferTest.FakeDriver(self.queue)
self.queue.push_backward_records(7, 7)
buf.get_records(drv)
buf.go_to_previous_line()
self.queue.push_forward_records(8, 5)
self.assertIsNone(buf.get_records(drv))
def test_should_get_timeout_if_forward_fetch_returns_fewer_records(self):
buf = ScreenBuffer(2, buffer_size=5, timeout=13)
drv = ScreenBufferTest.FakeDriver(self.queue)
self.queue.push_backward_records(7, 7)
buf.get_records(drv)
buf.go_to_previous_line()
self.queue.push_forward_records(8, 4)
self.assertEqual(13, buf.get_records(drv))
def test_should_get_timeout_if_forward_fetch_returns_fewer_records(self):
buf = ScreenBuffer(2, buffer_size=5, timeout=13)
drv = ScreenBufferTest.FakeDriver(self.queue)
self.queue.push_backward_records(7, 7)
buf.get_records(drv)
buf.go_to_previous_line()
self.queue.push_forward_records(8, 4)
self.assertEqual(13, buf.get_records(drv))
def test_should_not_get_timeout_if_forward_fetch_returns_correct_number_of_records(
self):
buf = ScreenBuffer(2, buffer_size=5, timeout=13)
drv = ScreenBufferTest.FakeDriver(self.queue)
self.queue.push_backward_records(7, 7)
buf.get_records(drv)
buf.go_to_previous_line()
self.queue.push_forward_records(8, 5)
self.assertIsNone(buf.get_records(drv))
def test_should_not_get_timeout_if_backward_fetch_returns_fewer_records(self):
buf = ScreenBuffer(2, buffer_size=5, timeout=13)
drv = ScreenBufferTest.FakeDriver(self.queue)
self.queue.push_backward_records(14, 7)
buf.get_records(drv)
buf.go_to_previous_page()
buf.go_to_previous_page()
self.queue.push_backward_records(7, 4)
self.assertIsNone(buf.get_records(drv))
def test_should_fetch_records_in_descending_order(self):
buf = ScreenBuffer(page_size=2, buffer_size=5)
self.queue.push_backward_records(2, 2)
drv = ScreenBufferTest.FakeDriver(self.queue)
buf.get_records(drv)
cur = buf.get_current_lines()
self.assertEqual(2, len(cur))
self.assertEqual('1', cur[0].message)
self.assertEqual('2', cur[1].message)
def test_should_fetch_records_in_descending_order(self):
buf = ScreenBuffer(page_size=2, buffer_size=5)
self.queue.push_backward_records(2, 2)
drv = ScreenBufferTest.FakeDriver(self.queue)
buf.get_records(drv)
cur = buf.get_current_lines()
self.assertEqual(2, len(cur))
self.assertEqual('1', cur[0].message)
self.assertEqual('2', cur[1].message)
def test_should_not_get_timeout_if_backward_fetch_returns_fewer_records(
self):
buf = ScreenBuffer(2, buffer_size=5, timeout=13)
drv = ScreenBufferTest.FakeDriver(self.queue)
self.queue.push_backward_records(14, 7)
buf.get_records(drv)
buf.go_to_previous_page()
buf.go_to_previous_page()
self.queue.push_backward_records(7, 4)
self.assertIsNone(buf.get_records(drv))
def test_should_not_auto_scroll_if_starting_driver_with_date(self):
dt = datetime.datetime.utcnow()
buf = ScreenBuffer(page_size=2, buffer_size=5)
self.queue.push(13)
self.queue.push(None)
self.queue.push_forward_records(13, 7)
self.queue.push_forward_records(12, 5)
drv = ScreenBufferTest.FakeDriver(self.queue, dt)
buf.get_records(drv)
cur = buf.get_current_lines()
self.assertEqual(2, len(cur))
self.assertEqual('13', cur[0].message)
self.assertEqual('14', cur[1].message)
def test_should_not_auto_scroll_if_starting_driver_with_date(self):
dt = datetime.datetime.utcnow()
buf = ScreenBuffer(page_size=2, buffer_size=5)
self.queue.push(13)
self.queue.push(None)
self.queue.push_forward_records(13, 7)
self.queue.push_forward_records(12, 5)
drv = ScreenBufferTest.FakeDriver(self.queue, dt)
buf.get_records(drv)
cur = buf.get_current_lines()
self.assertEqual(2, len(cur))
self.assertEqual('13', cur[0].message)
self.assertEqual('14', cur[1].message)
def test_should_stop_fetching_if_fetch_returns_less_records_than_asked(self):
buf = ScreenBuffer(page_size=2, buffer_size=5)
drv = ScreenBufferTest.FakeDriver(self.queue)
self.queue.push_backward_records(6, 6)
buf.get_records(drv)
buf.go_to_previous_page()
buf.go_to_previous_page()
buf.get_records(drv)
cur = buf.get_current_lines()
self.assertEqual(2, len(cur))
self.assertEqual('1', cur[0].message)
self.assertEqual('2', cur[1].message)
def test_should_auto_scroll_after_manual_scroll(self):
dt = datetime.datetime.utcnow()
buf = ScreenBuffer(page_size=2, buffer_size=5)
self.queue.push(13)
self.queue.push(None)
self.queue.push_forward_records(13, 7)
self.queue.push_forward_records(12, 5)
drv = ScreenBufferTest.FakeDriver(self.queue, dt)
buf.get_records(drv)
buf.go_to_next_page()
buf.go_to_next_page()
buf.go_to_next_line()
buf.append_record(self._get_line(20))
cur = buf.get_current_lines()
self.assertEqual(2, len(cur))
self.assertEqual('19', cur[0].message)
self.assertEqual('20', cur[1].message)
def test_should_auto_scroll_after_manual_scroll(self):
dt = datetime.datetime.utcnow()
buf = ScreenBuffer(page_size=2, buffer_size=5)
self.queue.push(13)
self.queue.push(None)
self.queue.push_forward_records(13, 7)
self.queue.push_forward_records(12, 5)
drv = ScreenBufferTest.FakeDriver(self.queue, dt)
buf.get_records(drv)
buf.go_to_next_page()
buf.go_to_next_page()
buf.go_to_next_line()
buf.append_record(self._get_line(20))
cur = buf.get_current_lines()
self.assertEqual(2, len(cur))
self.assertEqual('19', cur[0].message)
self.assertEqual('20', cur[1].message)
def test_should_not_stop_fetching_if_fetch_returns_correct_number_of_records(self):
buf = ScreenBuffer(page_size=2, buffer_size=5)
drv = ScreenBufferTest.FakeDriver(self.queue)
self.queue.push_backward_records(14, 7)
buf.get_records(drv)
buf.go_to_previous_page()
buf.go_to_previous_page()
self.queue.push_backward_records(7, 7)
buf.get_records(drv)
buf.go_to_previous_page()
cur = buf.get_current_lines()
self.assertEqual(2, len(cur))
self.assertEqual('7', cur[0].message)
self.assertEqual('8', cur[1].message)
def test_should_stop_fetching_if_fetch_returns_less_records_than_asked(
self):
buf = ScreenBuffer(page_size=2, buffer_size=5)
drv = ScreenBufferTest.FakeDriver(self.queue)
self.queue.push_backward_records(6, 6)
buf.get_records(drv)
buf.go_to_previous_page()
buf.go_to_previous_page()
buf.get_records(drv)
cur = buf.get_current_lines()
self.assertEqual(2, len(cur))
self.assertEqual('1', cur[0].message)
self.assertEqual('2', cur[1].message)
def test_should_not_stop_fetching_if_fetch_returns_correct_number_of_records(
self):
buf = ScreenBuffer(page_size=2, buffer_size=5)
drv = ScreenBufferTest.FakeDriver(self.queue)
self.queue.push_backward_records(14, 7)
buf.get_records(drv)
buf.go_to_previous_page()
buf.go_to_previous_page()
self.queue.push_backward_records(7, 7)
buf.get_records(drv)
buf.go_to_previous_page()
cur = buf.get_current_lines()
self.assertEqual(2, len(cur))
self.assertEqual('7', cur[0].message)
self.assertEqual('8', cur[1].message)
def test_should_get_timeout_after_first_fetch(self):
buf = ScreenBuffer(2, buffer_size=5, timeout=13)
drv = ScreenBufferTest.FakeDriver(self.queue)
self.queue.push_backward_records(7, 7)
self.assertEqual(13, buf.get_records(drv))
def test_should_get_timeout_after_first_fetch(self):
buf = ScreenBuffer(2, buffer_size=5, timeout=13)
drv = ScreenBufferTest.FakeDriver(self.queue)
self.queue.push_backward_records(7, 7)
self.assertEqual(13, buf.get_records(drv))
