def test_calling_move_to_changes_z_height_only_after_delay(self):
expected_height = 10.0
expected_delay = 0.250
test_zaxis = PhotoZAxis(0.0, expected_delay)
test_zaxis.move_to(expected_height)
self.assertEquals(0, test_zaxis.current_z_location_mm())
time.sleep(expected_delay)
self.assertEquals(expected_height, test_zaxis.current_z_location_mm())
def test_should_call_callback_when_something_changes(self):
expected_height = 10.0
expected_delay = 0.0
test_zaxis = PhotoZAxis(0.0, expected_delay, call_back=self.call_back)
test_zaxis.move_to(expected_height)
test_zaxis.current_z_location_mm()
self.assertEquals(expected_height, self.height)
self.assertEquals(0, self.drips)
self.assertEquals(0, self.drips_per_second)
def test_set_call_back_should_add_callback(self):
expected_height1 = 10.0
expected_height2 = 20.0
expected_delay = 0.0
test_zaxis = PhotoZAxis(0.0, expected_delay, call_back=None)
test_zaxis.move_to(expected_height1)
test_zaxis.current_z_location_mm()
self.assertEquals(0, self.height)
self.assertEquals(0, self.drips)
self.assertEquals(0, self.drips_per_second)
test_zaxis.set_call_back(self.call_back)
test_zaxis.move_to(expected_height2)
test_zaxis.current_z_location_mm()
self.assertEquals(expected_height2, self.height)
self.assertEquals(0, self.drips)
self.assertEquals(0, self.drips_per_second)
def test_calling_move_to_changes_z_height_when_delay_0(self):
expected_height = 10.0
test_zaxis = PhotoZAxis(0.0, 0.0)
test_zaxis.move_to(expected_height)
self.assertEquals(expected_height, test_zaxis.current_z_location_mm())