def test_checkCollisions_oneCollisionDetectedWhenMultipleEntitiesPresent(self):
entityToTest, collidedEntity = Entity(), Entity()
distantEntity1, distantEntity2 = Entity(), Entity()
distantEntity1.x, distantEntity1.y = 500, 500
distantEntity2.x, distantEntity2.y = 800, 800
entities.extend([collidedEntity, distantEntity1, distantEntity2])
entityToTest.check_collisions()
self.assertListEqual(collisions, [(entityToTest, collidedEntity)])
def test_insideYBoundary_falseWhenEntityYPosIsNegative(self):
entityToTest = Entity()
entityToTest.y = -1
self.assertFalse(entityToTest.inside_y_boundary())
def test_insideXBoundary_falseWhenEntityXPosGreaterThanScreenWidth(self):
entityToTest = Entity()
entityToTest.x = WIDTH + 1
self.assertFalse(entityToTest.inside_x_boundary())
def test_insideXBoundary_falseWhenEntityXPosIsNegative(self):
entityToTest = Entity()
entityToTest.x = -1
self.assertFalse(entityToTest.inside_x_boundary())
def test_checkCollisions_emptyCollisionsListWhenOtherEntityXPosEqualsSpriteSize(self):
entityToTest, otherEntity = Entity(), Entity()
otherEntity.x += SPRITE_SIZE
entities.append(otherEntity)
entityToTest.check_collisions()
self.assertFalse(collisions)
def test_checkCollisions_oneCollisionDetectedWhenOtherEntityXPosLessThanSpriteSize(self):
entityToTest, otherEntity = Entity(), Entity()
otherEntity.x += SPRITE_SIZE-1
entities.append(otherEntity)
entityToTest.check_collisions()
self.assertListEqual(collisions, [(entityToTest, otherEntity)])
def test_checkCollisions_emptyCollisionsListWhenNoOtherEntities(self):
entityToTest = Entity()
entityToTest.check_collisions()
self.assertFalse(collisions)
def test_checkCollisions_entityDoesNotCollideWithSelf(self):
entityToTest = Entity()
entities.append(entityToTest)
entityToTest.check_collisions()
self.assertFalse(collisions)
def test_checkCollisions_collisionsListContainsCollidedEntities(self):
entityToTest = Entity()
entityCollidedWith = Entity()
entities.append(entityCollidedWith)
entityToTest.check_collisions()
self.assertListEqual(collisions, [(entityToTest, entityCollidedWith)])
def test_insideXBoundary_falseWhenEntityYPosGreaterThanScreenHeight(self):
entityToTest = Entity()
entityToTest.y = HEIGHT + 1
self.assertFalse(entityToTest.inside_y_boundary())