def test_a_colour_can_be_changed(self):
img = cv2.imread(os.path.join(self.test_data_path,'GreenThresholdTest.png'),1)
threshold = 20
initial_expected = [0,0,0,-1,-1]
initial_colour = [128,128,128]
new_expected = [-1,-1,-1,-1,-1]
new_colour = [64,64,64]
mapper = Mapper(initial_colour, threshold)
initial_result = mapper.get_points(img)
self.assertEquals(initial_expected,initial_result)
mapper.set_colour(new_colour)
new_result = mapper.get_points(img)
self.assertEquals(new_expected,new_result)
def test_a_colour_can_be_changed(self):
img = cv2.imread(
os.path.join(self.test_data_path, 'GreenThresholdTest.png'), 1)
threshold = 20
initial_expected = [0, 0, 0, -1, -1]
initial_colour = [128, 128, 128]
new_expected = [-1, -1, -1, -1, -1]
new_colour = [64, 64, 64]
mapper = Mapper(initial_colour, threshold)
initial_result = mapper.get_points(img)
self.assertEquals(initial_expected, initial_result)
mapper.set_colour(new_colour)
new_result = mapper.get_points(img)
self.assertEquals(new_expected, new_result)
def test_given_a_threshold_items_in_threshold_work_for_blue(self):
img = cv2.imread(os.path.join(self.test_data_path,'BlueThresholdTest.png'),1)
threshold = 20
expected = [0,0,0,-1,-1]
colour = [128,128,128]
mapper = Mapper(colour, threshold)
actual = mapper.get_points(img)
self.assertEquals(expected,actual)
def test_given_an_colour_image_and_specific_colour_a_point_map_returned(self):
img = cv2.imread(os.path.join(self.test_data_path,'SimpleTestImage2.png'),1)
expected = [i for i in range(0,20)]
colour = [255,128,0]
threshold = 0
mapper = Mapper(colour,threshold)
actual = mapper.get_points(img)
self.assertEquals(expected,actual)
def test_given_an_image_with_no_points_a_point_map_returned(self):
img = cv2.imread(os.path.join(self.test_data_path,'SimpleTestImage5.png'),1)
expected = [-1 for i in range(0,20)]
colour = [255,255,255]
threshold = 0
mapper = Mapper(colour,threshold)
actual = mapper.get_points(img)
self.assertEquals(expected,actual)
def test_given_a_threshold_items_in_threshold_work_for_blue(self):
img = cv2.imread(
os.path.join(self.test_data_path, 'BlueThresholdTest.png'), 1)
threshold = 20
expected = [0, 0, 0, -1, -1]
colour = [128, 128, 128]
mapper = Mapper(colour, threshold)
actual = mapper.get_points(img)
self.assertEquals(expected, actual)
def test_given_an_image_with_no_points_a_point_map_returned(self):
img = cv2.imread(
os.path.join(self.test_data_path, 'SimpleTestImage5.png'), 1)
expected = [-1 for i in range(0, 20)]
colour = [255, 255, 255]
threshold = 0
mapper = Mapper(colour, threshold)
actual = mapper.get_points(img)
self.assertEquals(expected, actual)
def test_a_threshold_can_be_changed(self):
img = cv2.imread(os.path.join(self.test_data_path,'GreenThresholdTest.png'),1)
initial_threshold = 20
new_threshold = 21
expected = [0,0,0,0,0]
colour = [128,128,128]
mapper = Mapper(colour, initial_threshold)
mapper.set_threshold(new_threshold)
actual = mapper.get_points(img)
self.assertEquals(expected,actual)
def test_given_an_colour_image_and_specific_colour_a_point_map_returned(
self):
img = cv2.imread(
os.path.join(self.test_data_path, 'SimpleTestImage2.png'), 1)
expected = [i for i in range(0, 20)]
colour = [255, 128, 0]
threshold = 0
mapper = Mapper(colour, threshold)
actual = mapper.get_points(img)
self.assertEquals(expected, actual)
def test_a_threshold_can_be_changed(self):
img = cv2.imread(
os.path.join(self.test_data_path, 'GreenThresholdTest.png'), 1)
initial_threshold = 20
new_threshold = 21
expected = [0, 0, 0, 0, 0]
colour = [128, 128, 128]
mapper = Mapper(colour, initial_threshold)
mapper.set_threshold(new_threshold)
actual = mapper.get_points(img)
self.assertEquals(expected, actual)