def test_expected_string(self):
"""should produce the expected reference example"""
s = color_gradient_string("#00000000", "#99999999", 9)
expected = ":".join(["#" + str(i) * 8 + ";0.10" for i in range(10)])
assert s == expected
def test_ends_with_color(self):
"""string should end with provided colour"""
s = color_gradient_string("#ffffff33", "#ffffffaa", 1)
assert s.endswith("#ffffffaa;0.50")
def test_correct_num_steps(self):
"""string should have the correct number of steps"""
for steps in range(1, 10):
s = color_gradient_string("#ffffff33", "#ffffffaa", steps)
assert s.count(":") == steps
def test_starts_with_color(self):
"""string should start with provided colour"""
s = color_gradient_string("#ffffff33", "#ffffffaa", 30)
assert s.startswith("#ffffff33")
