def test_toggle_reticule(self):
marker = Marker(10, 10, 10)
def assert_visible(visible):
assert_that(marker.circle.get_visible(), equal_to(visible))
for line in marker.lines:
assert_that(line.get_visible(), equal_to(visible))
assert_visible(True)
marker.toggle_reticule()
assert_visible(False)
marker.toggle_reticule()
assert_visible(True)
def test_change_radius(self):
x = 20
y = 20
radius = 6
marker = Marker(x, y, radius)
new_radius = 12
marker.radius = new_radius
assert_that(marker.circle.radius, equal_to(new_radius))
assert_that(marker.left_hair.get_xdata(), equal_to((8, 14)))
assert_that(marker.left_hair.get_ydata(), equal_to((20, 20)))
assert_that(marker.right_hair.get_xdata(), equal_to((26, 32)))
assert_that(marker.right_hair.get_ydata(), equal_to((20, 20)))
assert_that(marker.top_hair.get_xdata(), equal_to((20, 20)))
assert_that(marker.top_hair.get_ydata(), equal_to((26, 32)))
assert_that(marker.bottom_hair.get_xdata(), equal_to((20, 20)))
assert_that(marker.bottom_hair.get_ydata(), equal_to((8, 14)))
def test_move_marker_moves_circle_and_cross(self):
x = 10
y = 10
radius = 6
marker = Marker(x, y, radius)
new_x = 20
new_y = 30
marker.center = (new_x, new_y)
assert_that(marker.circle.center, equal_to((new_x, new_y)))
assert_that(marker.left_hair.get_xdata(), equal_to((14, 17)))
assert_that(marker.left_hair.get_ydata(), equal_to((30, 30)))
assert_that(marker.right_hair.get_xdata(), equal_to((23, 26)))
assert_that(marker.right_hair.get_ydata(), equal_to((30, 30)))
assert_that(marker.top_hair.get_xdata(), equal_to((20, 20)))
assert_that(marker.top_hair.get_ydata(), equal_to((33, 36)))
assert_that(marker.bottom_hair.get_xdata(), equal_to((20, 20)))
assert_that(marker.bottom_hair.get_ydata(), equal_to((24, 27)))
