def test_move(self):
r = Rect(1, 2, 3, 4)
move_x = 10
move_y = 20
r2 = r.move(move_x, move_y)
expected_r2 = Rect(r.left + move_x, r.top + move_y, r.width, r.height)
self.assertEqual(expected_r2, r2)
def test_not_hashable(self):
r1 = Rect(1, 2, 3, 4)
r2 = Rect(r1)
self.assertEqual(r1, r2)
self.assertIsNot(r1, r2)
with self.assertRaises(TypeError):
self.assertEqual({r1}, {r2})
def testEquals(self):
""" check to see how the rect uses __eq__
"""
r1 = Rect(1, 2, 3, 4)
r2 = Rect(10, 20, 30, 40)
r3 = (10, 20, 30, 40)
r4 = Rect(10, 20, 30, 40)
class foo(Rect):
def __eq__(self, other):
return id(self) == id(other)
def __ne__(self, other):
return id(self) != id(other)
class foo2(Rect):
pass
r5 = foo(10, 20, 30, 40)
r6 = foo2(10, 20, 30, 40)
self.assertNotEqual(r5, r2)
# because we define equality differently for this subclass.
self.assertEqual(r6, r2)
rect_list = [r1, r2, r3, r4, r6]
# see if we can remove 4 of these.
rect_list.remove(r2)
rect_list.remove(r2)
rect_list.remove(r2)
rect_list.remove(r2)
self.assertRaises(ValueError, rect_list.remove, r2)
def test_collidedictall(self):
# __doc__ (as of 2008-08-02) for pygame.rect.Rect.collidedictall:
# Rect.collidedictall(dict): return [(key, value), ...]
# test if all rectangles in a dictionary intersect
#
# Returns a list of all the key and value pairs that intersect with
# the Rect. If no collisions are found an empty dictionary is
# returned.
#
# Rect objects are not hashable and cannot be used as keys in a
# dictionary, only as values.
r = Rect(1, 1, 10, 10)
r2 = Rect(1, 1, 10, 10)
r3 = Rect(5, 5, 10, 10)
r4 = Rect(10, 10, 10, 10)
r5 = Rect(50, 50, 10, 10)
rects_values = 1
d = {2: r2}
l = r.collidedictall(d, rects_values)
self.assertEqual(l, [(2, r2)])
d2 = {2: r2, 3: r3, 4: r4, 5: r5}
l2 = r.collidedictall(d2, rects_values)
self.assertEqual(l2, [(2, r2), (3, r3), (4, r4)])
def test_unionall_ip(self):
r1 = Rect(0, 0, 1, 1)
r2 = Rect(-2, -2, 1, 1)
r3 = Rect(2, 2, 1, 1)
r1.unionall_ip([r2, r3])
self.assertEqual(Rect(-2, -2, 5, 5), r1)
def test_normalize(self):
r = Rect(1, 2, -3, -6)
r2 = Rect(r)
r2.normalize()
self.assertTrue(r2.width >= 0)
self.assertTrue(r2.height >= 0)
self.assertEqual((abs(r.width), abs(r.height)), r2.size)
self.assertEqual((-2, -4), r2.topleft)
def test_clamp(self):
r = Rect(10, 10, 10, 10)
c = Rect(19, 12, 5, 5).clamp(r)
self.assertEqual(c.right, r.right)
self.assertEqual(c.top, 12)
c = Rect(1, 2, 3, 4).clamp(r)
self.assertEqual(c.topleft, r.topleft)
c = Rect(5, 500, 22, 33).clamp(r)
self.assertEqual(c.center, r.center)
def test_top(self):
"""Changing the top attribute moves the rect and does not change
the rect's width
"""
r = Rect(1, 2, 3, 4)
new_top = 10
r.top = new_top
self.assertEqual(Rect(1, new_top, 3, 4), r)
self.assertEqual(new_top, r.top)
def test_left(self):
"""Changing the left attribute moves the rect and does not change
the rect's width
"""
r = Rect(1, 2, 3, 4)
new_left = 10
r.left = new_left
self.assertEqual(new_left, r.left)
self.assertEqual(Rect(new_left, 2, 3, 4), r)
def test_constructor_from_rect_object(self):
"Build a rect from an object with a rect attribute which is an object"
class Obj:
pass
obj = Obj()
obj.rect = Rect(1, 2, 3, 4)
r = Rect(obj)
self.assertEqual(r, Rect(1, 2, 3, 4))
def test_colliderect(self):
r1 = Rect(1, 2, 3, 4)
self.assertTrue(
r1.colliderect(Rect(0, 0, 2, 3)), "r1 does not collide with Rect(0,0,2,3)"
)
self.assertFalse(
r1.colliderect(Rect(0, 0, 1, 2)), "r1 collides with Rect(0,0,1,2)"
)
self.assertFalse(
r1.colliderect(Rect(r1.right, r1.bottom, 2, 2)),
"r1 collides with Rect(r1.right,r1.bottom,2,2)",
)
self.assertTrue(
r1.colliderect(Rect(r1.left + 1, r1.top + 1, r1.width - 2, r1.height - 2)),
"r1 does not collide with Rect(r1.left+1,r1.top+1,"
+ "r1.width-2,r1.height-2)",
)
self.assertTrue(
r1.colliderect(Rect(r1.left - 1, r1.top - 1, r1.width + 2, r1.height + 2)),
"r1 does not collide with Rect(r1.left-1,r1.top-1,"
+ "r1.width+2,r1.height+2)",
)
self.assertTrue(
r1.colliderect(Rect(r1)), "r1 does not collide with an identical rect"
)
self.assertFalse(
r1.colliderect(Rect(r1.right, r1.bottom, 0, 0)),
"r1 collides with Rect(r1.right,r1.bottom,0,0)",
)
self.assertFalse(
r1.colliderect(Rect(r1.right, r1.bottom, 1, 1)),
"r1 collides with Rect(r1.right,r1.bottom,1,1)",
)
def test_constructor_from_rect_callable(self):
"""Build a rect from an object with a rect attribute which
is called and returns a tuple
"""
class Obj:
def rect(self):
return 1, 2, 3, 4
obj = Obj()
r = Rect(obj)
self.assertEqual(r, Rect(1, 2, 3, 4))
def test_inflate_ip__smaller(self):
"The inflate method inflates around the center of the rectangle"
r = Rect(2, 4, 6, 8)
r2 = Rect(r)
r2.inflate_ip(-4, -6)
self.assertEqual(r.center, r2.center)
self.assertEqual(r.left + 2, r2.left)
self.assertEqual(r.top + 3, r2.top)
self.assertEqual(r.right - 2, r2.right)
self.assertEqual(r.bottom - 3, r2.bottom)
self.assertEqual(r.width - 4, r2.width)
self.assertEqual(r.height - 6, r2.height)
def test_constructor_from_rect_indirect_tuple(self):
"""Build a rect from an object with a rect attribute which
is an object which has a rect attribute which is a tuple
"""
class Obj:
pass
obj = Obj()
obj1 = Obj()
obj1.rect = Rect(1, 2, 3, 4)
obj.rect = obj1
r = Rect(obj)
self.assertEqual(r, Rect(1, 2, 3, 4))
def test_constructor_from_tuple(self):
"Build a Rect from a 4-item tuple"
r = Rect((1, 2, 3, 4))
self.assertEqual(r.x, 1)
self.assertEqual(r.y, 2)
self.assertEqual(r.w, 3)
self.assertEqual(r.h, 4)
def test_float_instance(self):
"Create an instance with floating-point co-ordinates"
r = Rect(1.2, 3.4, 5.6, 7.8)
self.assertEqual(r.x, 1.2)
self.assertEqual(r.y, 3.4)
self.assertEqual(r.w, 5.6)
self.assertEqual(r.h, 7.8)
def test_collidepoint(self):
r = Rect(1, 2, 3, 4)
self.assertTrue(
r.collidepoint(r.left, r.top), "r does not collide with point (left,top)"
)
self.assertFalse(
r.collidepoint(r.left - 1, r.top), "r collides with point (left-1,top)"
)
self.assertFalse(
r.collidepoint(r.left, r.top - 1), "r collides with point (left,top-1)"
)
self.assertFalse(
r.collidepoint(r.left - 1, r.top - 1),
"r collides with point (left-1,top-1)",
)
self.assertTrue(
r.collidepoint(r.right - 1, r.bottom - 1),
"r does not collide with point (right-1,bottom-1)",
)
self.assertFalse(
r.collidepoint(r.right, r.bottom), "r collides with point (right,bottom)"
)
self.assertFalse(
r.collidepoint(r.right - 1, r.bottom),
"r collides with point (right-1,bottom)",
)
self.assertFalse(
r.collidepoint(r.right, r.bottom - 1),
"r collides with point (right,bottom-1)",
)
def test_clip(self):
r1 = Rect(1, 2, 3, 4)
self.assertEqual(Rect(1, 2, 2, 2), r1.clip(Rect(0, 0, 3, 4)))
self.assertEqual(Rect(2, 2, 2, 4), r1.clip(Rect(2, 2, 10, 20)))
self.assertEqual(Rect(2, 3, 1, 2), r1.clip(Rect(2, 3, 1, 2)))
self.assertEqual((0, 0), r1.clip(20, 30, 5, 6).size)
self.assertEqual(
r1, r1.clip(Rect(r1)), "r1 does not clip an identical rect to itself"
)
def test_collidelist(self):
# __doc__ (as of 2008-08-02) for pygame.rect.Rect.collidelist:
# Rect.collidelist(list): return index
# test if one rectangle in a list intersects
#
# Test whether the rectangle collides with any in a sequence of
# rectangles. The index of the first collision found is returned. If
# no collisions are found an index of -1 is returned.
r = Rect(1, 1, 10, 10)
l = [Rect(50, 50, 1, 1), Rect(5, 5, 10, 10), Rect(15, 15, 1, 1)]
self.assertEqual(r.collidelist(l), 1)
f = [Rect(50, 50, 1, 1), (100, 100, 4, 4)]
self.assertEqual(r.collidelist(f), -1)
def test_size(self):
"Changing the size resizes the rect from the top-left corner"
r = Rect(1, 2, 3, 4)
new_size = (10, 20)
old_topleft = r.topleft
r.size = new_size
self.assertEqual(new_size, r.size)
self.assertEqual(old_topleft, r.topleft)
def test_fit(self):
# __doc__ (as of 2008-08-02) for pygame.rect.Rect.fit:
# Rect.fit(Rect): return Rect
# resize and move a rectangle with aspect ratio
#
# Returns a new rectangle that is moved and resized to fit another.
# The aspect ratio of the original Rect is preserved, so the new
# rectangle may be smaller than the target in either width or height.
r = Rect(10, 10, 30, 30)
r2 = Rect(30, 30, 15, 10)
f = r.fit(r2)
self.assertTrue(r2.contains(f))
f2 = r2.fit(r)
self.assertTrue(r.contains(f2))
def test_topleft(self):
"""Changing the topleft attribute moves the rect and does not change
the rect's size
"""
r = Rect(1, 2, 3, 4)
new_topleft = (r.left + 20, r.top + 30)
old_size = r.size
r.topleft = new_topleft
self.assertEqual(new_topleft, r.topleft)
self.assertEqual(old_size, r.size)
def test_height(self):
"Changing the height resizes the rect from the top-left corner"
r = Rect(1, 2, 3, 4)
new_height = 10
old_topleft = r.topleft
old_width = r.width
r.height = new_height
self.assertEqual(new_height, r.height)
self.assertEqual(old_width, r.width)
self.assertEqual(old_topleft, r.topleft)
def test_inflate__larger(self):
"The inflate method inflates around the center of the rectangle"
r = Rect(2, 4, 6, 8)
r2 = r.inflate(4, 6)
self.assertEqual(r.center, r2.center)
self.assertEqual(r.left - 2, r2.left)
self.assertEqual(r.top - 3, r2.top)
self.assertEqual(r.right + 2, r2.right)
self.assertEqual(r.bottom + 3, r2.bottom)
self.assertEqual(r.width + 4, r2.width)
self.assertEqual(r.height + 6, r2.height)
def test_center(self):
"""Changing the center attribute moves the rect and does not change
the rect's size
"""
r = Rect(1, 2, 3, 4)
new_center = (r.centerx + 20, r.centery + 30)
expected_topleft = (r.left + 20, r.top + 30)
old_size = r.size
r.center = new_center
self.assertEqual(new_center, r.center)
self.assertEqual(expected_topleft, r.topleft)
self.assertEqual(old_size, r.size)
def test_midright(self):
"""Changing the midright attribute moves the rect and does not change
the rect's size
"""
r = Rect(1, 2, 3, 4)
new_midright = (r.right + 20, r.centery + 30)
expected_topleft = (r.left + 20, r.top + 30)
old_size = r.size
r.midright = new_midright
self.assertEqual(new_midright, r.midright)
self.assertEqual(expected_topleft, r.topleft)
self.assertEqual(old_size, r.size)
def test_midbottom(self):
"""Changing the midbottom attribute moves the rect and does not change
the rect's size
"""
r = Rect(1, 2, 3, 4)
new_midbottom = (r.centerx + 20, r.bottom + 30)
expected_topleft = (r.left + 20, r.top + 30)
old_size = r.size
r.midbottom = new_midbottom
self.assertEqual(new_midbottom, r.midbottom)
self.assertEqual(expected_topleft, r.topleft)
self.assertEqual(old_size, r.size)
def test_right(self):
"""Changing the right attribute moves the rect and does not change
the rect's width
"""
r = Rect(1, 2, 3, 4)
new_right = r.right + 20
expected_left = r.left + 20
old_width = r.width
r.right = new_right
self.assertEqual(new_right, r.right)
self.assertEqual(expected_left, r.left)
self.assertEqual(old_width, r.width)
def test_bottom(self):
"""Changing the bottom attribute moves the rect and does not change
the rect's height
"""
r = Rect(1, 2, 3, 4)
new_bottom = r.bottom + 20
expected_top = r.top + 20
old_height = r.height
r.bottom = new_bottom
self.assertEqual(new_bottom, r.bottom)
self.assertEqual(expected_top, r.top)
self.assertEqual(old_height, r.height)
def test_centery(self):
"""Changing the centerx attribute moves the rect and does not change
the rect's width
"""
r = Rect(1, 2, 3, 4)
new_centery = r.centery + 20
expected_top = r.top + 20
old_height = r.height
r.centery = new_centery
self.assertEqual(new_centery, r.centery)
self.assertEqual(expected_top, r.top)
self.assertEqual(old_height, r.height)