def test_drawline_inverted_ok(self):
canvas = Canvas()
canvas.create(8, 4)
canvas.draw_line(5, 1, 5, 3)
canvas2 = Canvas()
canvas2.create(8, 4)
canvas2.draw_line(5, 3, 5, 1)
self.assertTrue((canvas.data == canvas2.data).all())
def test_drawline_vertical_cropped_ok(self):
canvas = Canvas()
canvas.create(8, 4)
canvas.draw_line(5, -3, 5, 14)
expected = np.asarray([[32, 32, 32, 32, 120, 32, 32, 32],
[32, 32, 32, 32, 120, 32, 32, 32],
[32, 32, 32, 32, 120, 32, 32, 32],
[32, 32, 32, 32, 120, 32, 32, 32]],
dtype='uint8')
self.assertTrue((canvas.data == expected).all())
def test_drawline_horizontal_cropped_ok(self):
canvas = Canvas()
canvas.create(8, 4)
canvas.draw_line(-2, 2, 10, 2)
expected = np.asarray([[32, 32, 32, 32, 32, 32, 32, 32],
[120, 120, 120, 120, 120, 120, 120, 120],
[32, 32, 32, 32, 32, 32, 32, 32],
[32, 32, 32, 32, 32, 32, 32, 32]],
dtype='uint8')
self.assertTrue((canvas.data == expected).all())
def test_drawrect_no_inner_space_ok(self):
canvas = Canvas()
canvas.create(8, 5)
canvas.draw_rect(2, 2, 6, 3)
expected = np.asarray([[32, 32, 32, 32, 32, 32, 32, 32],
[32, 120, 120, 120, 120, 120, 32, 32],
[32, 120, 120, 120, 120, 120, 32, 32],
[32, 32, 32, 32, 32, 32, 32, 32],
[32, 32, 32, 32, 32, 32, 32, 32]],
dtype='uint8')
self.assertTrue((canvas.data == expected).all())
def test_drawrect_cropped_ok(self):
canvas = Canvas()
canvas.create(8, 5)
canvas.draw_rect(-4, -3, 6, 4)
expected = np.asarray([[32, 32, 32, 32, 32, 120, 32, 32],
[32, 32, 32, 32, 32, 120, 32, 32],
[32, 32, 32, 32, 32, 120, 32, 32],
[120, 120, 120, 120, 120, 120, 32, 32],
[32, 32, 32, 32, 32, 32, 32, 32]],
dtype='uint8')
self.assertTrue((canvas.data == expected).all())
def test_fill_ok(self):
canvas = Canvas()
canvas.create(10, 8)
# Fill all canvas area with 'o' (ord('o') == 111)
canvas.fill(5, 2, 'o')
expected = np.asarray(
[[111, 111, 111, 111, 111, 111, 111, 111, 111, 111],
[111, 111, 111, 111, 111, 111, 111, 111, 111, 111],
[111, 111, 111, 111, 111, 111, 111, 111, 111, 111],
[111, 111, 111, 111, 111, 111, 111, 111, 111, 111],
[111, 111, 111, 111, 111, 111, 111, 111, 111, 111],
[111, 111, 111, 111, 111, 111, 111, 111, 111, 111],
[111, 111, 111, 111, 111, 111, 111, 111, 111, 111],
[111, 111, 111, 111, 111, 111, 111, 111, 111, 111]],
dtype='uint8')
self.assertTrue((canvas.data == expected).all())
# Attempt to place the base point outside of the canvas - no effect
canvas.fill(-1, 2, '+')
self.assertTrue((canvas.data == expected).all())
# Draw some shapes to complicate the picture
canvas.draw_line(2, 4, 9, 4)
canvas.draw_rect(3, 2, 8, 20)
expected = np.asarray(
[[111, 111, 111, 111, 111, 111, 111, 111, 111, 111],
[111, 111, 120, 120, 120, 120, 120, 120, 111, 111],
[111, 111, 120, 111, 111, 111, 111, 120, 111, 111],
[111, 120, 120, 120, 120, 120, 120, 120, 120, 111],
[111, 111, 120, 111, 111, 111, 111, 120, 111, 111],
[111, 111, 120, 111, 111, 111, 111, 120, 111, 111],
[111, 111, 120, 111, 111, 111, 111, 120, 111, 111],
[111, 111, 120, 111, 111, 111, 111, 120, 111, 111]],
dtype='uint8')
self.assertTrue((canvas.data == expected).all())
# Fill regions with various symbols: '+' a.k.a. 43, '*' a.k.a. 42, '.' a.k.a. 46
canvas.fill(5, 3, '+')
canvas.fill(6, 7, '*')
canvas.fill(10, 8, '.')
expected = np.asarray(
[[46, 46, 46, 46, 46, 46, 46, 46, 46, 46],
[46, 46, 120, 120, 120, 120, 120, 120, 46, 46],
[46, 46, 120, 43, 43, 43, 43, 120, 46, 46],
[46, 120, 120, 120, 120, 120, 120, 120, 120, 46],
[46, 46, 120, 42, 42, 42, 42, 120, 46, 46],
[46, 46, 120, 42, 42, 42, 42, 120, 46, 46],
[46, 46, 120, 42, 42, 42, 42, 120, 46, 46],
[46, 46, 120, 42, 42, 42, 42, 120, 46, 46]],
dtype='uint8')
self.assertTrue((canvas.data == expected).all())
def test_drawrect_inverted_throws(self):
canvas = Canvas()
canvas.create(8, 5)
self.assertRaises(ValueError, canvas.draw_rect, 6, 4, 1, 2)
def test_drawline_inclined_throws(self):
canvas = Canvas()
canvas.create(8, 4)
self.assertRaises(ValueError, canvas.draw_line, 1, 2, 6, 4)
def test_create_ok(self):
canvas = Canvas()
canvas.create(20, 10)
self.assertEqual(canvas.width, 20)
self.assertEqual(canvas.height, 10)
def test_execute_fill_wrong_types_throws(self):
executor = Executor()
canvas = Canvas()
canvas.create(8, 4)
command = Command(Command.Keyword.FILL, 1, 'str', 'o')
self.assertRaises(TypeError, executor.execute, canvas, command)
def test_execute_rect_wrong_types_throws(self):
executor = Executor()
canvas = Canvas()
canvas.create(8, 4)
command = Command(Command.Keyword.RECT, 1, 4, 10, 'str')
self.assertRaises(TypeError, executor.execute, canvas, command)
def test_execute_rect_wrong_args_num_throws(self):
executor = Executor()
canvas = Canvas()
canvas.create(8, 4)
command = Command(Command.Keyword.RECT, 1, 4, 10)
self.assertRaises(ValueError, executor.execute, canvas, command)
def test_execute_rect_ok(self):
executor = Executor()
canvas = Canvas()
canvas.create(8, 4)
command = Command(Command.Keyword.RECT, 2, 2, 7, 4)
self.assertEqual(executor.execute(canvas, command), 0)
def test_execute_line_ok(self):
executor = Executor()
canvas = Canvas()
canvas.create(8, 4)
command = Command(Command.Keyword.LINE, 2, 4, 7, 4)
self.assertEqual(executor.execute(canvas, command), 0)
