def _cell_display(self) -> cartesian.RectangleState:
'''
Creates a bunch of rectangles to be displayed as game
cells on the canvas.
'''
gameboard_rectangles = cartesian.RectangleState()
for row_index in range(self._game.no_of_rows()):
for col_index in range(self._game.no_of_col()):
# Two opposite corner points of the rectangle we are about
# to create.
p1 = cartesian.Point(
(1 / self._game.no_of_col()) * col_index *
self._gameboard_display.winfo_width(),
(1 / self._game.no_of_rows()) * row_index *
self._gameboard_display.winfo_height(),
self._gameboard_display.winfo_width(),
self._gameboard_display.winfo_height())
p2 = cartesian.Point(
(1 / self._game.no_of_col()) * (col_index + 1) *
self._gameboard_display.winfo_width(),
(1 / self._game.no_of_rows()) * (row_index + 1) *
self._gameboard_display.winfo_height(),
self._gameboard_display.winfo_width(),
self._gameboard_display.winfo_height())
gameboard_rectangles.append_rect(cartesian.Rectangle(p1, p2))
return gameboard_rectangles
def test_point_distance(self):
""" Ensures the distance is correctly calculated """
self.assertEqual(
cartesian.Point(3, 4).distance(cartesian.Point(0, 0)), 5)
self.assertEqual(
cartesian.Point(1, 2).distance(cartesian.Point(4, 3)),
pow(10, 0.5))
def test_point_distance_default(self):
""" Ensures the distance is correctly calculated between the origin """
# Real distance is 1.41... (the square root of 2)
self.assertEqual(cartesian.Point(1, 1).distance(), pow(2, 0.5))
self.assertEqual(cartesian.Point(-1, 1).distance(), pow(2, 0.5))
self.assertEqual(cartesian.Point(1, -1).distance(), pow(2, 0.5))
self.assertEqual(cartesian.Point(-1, -1).distance(), pow(2, 0.5))
def test_point_quadrant_none(self):
""" Ensures that a point lying on an axis has no quadrant """
points = [
cartesian.Point(1, 0),
cartesian.Point(0, 1),
cartesian.Point(-1, 0),
cartesian.Point(0, -1),
cartesian.Point(0, 0)
]
for point in points:
self.assertEqual(point.quadrant(), None)
def _on_mouse_click(self, event: tkinter.Event):
'''
The response when the user clicks on the gameboard display.
'''
click_point = cartesian.Point(event.x, event.y,
self._gameboard_display.winfo_width(),
self._gameboard_display.winfo_height())
for rect in self._gameboard_rectangles.all_rects():
if rect.contains(click_point):
grid_coord = cartesian.index_to_grid_coord(self._gameboard_rectangles.all_rects().index(rect), \
self._game.no_of_rows(), self._game.no_of_col())
try:
self._game.player_take_turn(grid_coord[1], grid_coord[0])
except game_classes.InvalidMoveError:
# If the move fails, do not change the
# state of the rectangles and circles.
self.error_msg.set("Invalid Move")
else:
self._gameboard_discs = self._disc_display(
) # Update the displayed discs.
self.error_msg.set("")
self._game.next_player_turn()
self._refresh_game_window(event)
def test_point_midpoint_default(self):
""" Ensures the midpoint is correctly calculated between the origin """
self.assertEqual(
cartesian.Point(1, 1).midpoint(), cartesian.Point(0.5, 0.5))
self.assertEqual(
cartesian.Point(-1, 1).midpoint(), cartesian.Point(-0.5, 0.5))
self.assertEqual(
cartesian.Point(1, -1).midpoint(), cartesian.Point(0.5, -0.5))
self.assertEqual(
cartesian.Point(-1, -1).midpoint(), cartesian.Point(-0.5, -0.5))
def test_point_distance_none(self):
""" Ensures that a lack of distance returns zero """
self.assertEqual(
cartesian.Point(1, 1).distance(cartesian.Point(1, 1)), 0)
self.assertEqual(
cartesian.Point(-1, 1).distance(cartesian.Point(-1, 1)), 0)
self.assertEqual(
cartesian.Point(1, -1).distance(cartesian.Point(1, -1)), 0)
self.assertEqual(
cartesian.Point(-1, -1).distance(cartesian.Point(-1, -1)), 0)
def test_point_negative(self):
""" Ensures the distance is correctly calculated with negatives """
self.assertEqual(
cartesian.Point(-1, 2).distance(cartesian.Point(4, 3)),
pow(26, 0.5))
self.assertEqual(
cartesian.Point(1, -2).distance(cartesian.Point(4, 3)),
pow(34, 0.5))
self.assertEqual(
cartesian.Point(-1, -2).distance(cartesian.Point(4, 3)),
pow(50, 0.5))
def test_point_quadrant_first(self):
""" Ensures that the first quadrant is correctly identified """
self.assertEqual(cartesian.Point(1, 1).quadrant(), 1)
def test_point_eq(self):
""" Ensures the __eq__ dunder method works correctly """
self.assertEqual(cartesian.Point(1, 1), cartesian.Point(1, 1))
self.assertEqual(cartesian.Point(-1, 1), cartesian.Point(-1, 1))
self.assertEqual(cartesian.Point(1, -1), cartesian.Point(1, -1))
self.assertEqual(cartesian.Point(-1, -1), cartesian.Point(-1, -1))
self.assertNotEqual(cartesian.Point(1, 1), cartesian.Point(-1, -1))
self.assertNotEqual(cartesian.Point(-1, 1), cartesian.Point(1, -1))
self.assertNotEqual(cartesian.Point(1, -1), cartesian.Point(-1, 1))
self.assertNotEqual(cartesian.Point(-1, -1), cartesian.Point(1, 1))
def test_create_point(self):
""" Ensures that a point can be created """
point = cartesian.Point()
self.assertIsNotNone(point)
def test_point_quadrant_fourth(self):
""" Ensures that the fourth quadrant is correctly identified """
self.assertEqual(cartesian.Point(1, -1).quadrant(), 4)
def test_create_point_with_coords(self):
""" Ensures providied coordinates are correctly assigned """
point = cartesian.Point(-1, 2)
self.assertEqual(point.x, -1)
self.assertEqual(point.y, 2)
def test_point_quadrant_third(self):
""" Ensures that the third quadrant is correctly identified """
self.assertEqual(cartesian.Point(-1, -1).quadrant(), 3)
def test_point_quadrant_second(self):
""" Ensures that the second quadrant is correctly identified """
self.assertEqual(cartesian.Point(-1, 1).quadrant(), 2)
def test_create_point_default_coords(self):
""" Ensures that the default coordinates are (0, 0) """
point = cartesian.Point()
self.assertEqual(point.x, 0)
self.assertEqual(point.y, 0)
def test_point_repr(self):
""" Ensures that repr() returns the correct result """
point = cartesian.Point(-1, 2)
self.assertEqual(point.__repr__(), "Point(-1, 2)")
self.assertEqual(repr(point), "Point(-1, 2)")
def test_point_str(self):
""" Ensures that str() returns the correct result """
point = cartesian.Point(-1, 2)
self.assertEqual(point.__str__(), "Point at x=-1 and y=2")
self.assertEqual(str(point), "Point at x=-1 and y=2")