def test_lookupColor_simple_wrong_component_number():
for i in range(0, 256):
for n in range(0, 10):
if n == 3 or n == 4:
continue
with pytest.raises(ValueError) as vale:
graphics.lookupColor((i,) * n)
assert "components must have three or four elements" in str(vale)
def test_lookupColor_hex_3_4():
ran = range(1, 15)
elems = [0, 15] + [random.choice(ran) for i in range(0, 4)]
for r in elems:
for g in elems:
for b in elems:
assert graphics.lookupColor("#%.1x%.1x%.1x" % (r, g, b)) == (r * 17, g * 17, b * 17, 255)
for a in elems:
assert graphics.lookupColor("#%.1x%.1x%.1x%.1x" % (r, g, b, a)) == (r * 17, g * 17, b * 17, a * 17)
def test_lookupColor_hex_6_8():
ran = range(1, 255)
elems = [0, 255] + [random.choice(ran) for i in range(0, 10)]
for r in elems:
for g in elems:
for b in elems:
assert graphics.lookupColor("#%.2x%.2x%.2x" % (r, g, b)) == (r, g, b, 255)
for a in elems:
assert graphics.lookupColor("#%.2x%.2x%.2x%.2x" % (r, g, b, a)) == (r, g, b, a)
def test_lookupColor_hex_wrong_chars():
goodfs = ["#%s00000", "#0%s0000", "#00%s000", "#000%s00", "#0000%s0", "#00000%s"]
for i in range(0, 256):
ic = chr(i)
if ic in "0123456789abcdefABCDEF":
continue
for goodf in goodfs:
with pytest.raises(ValueError) as vale:
graphics.lookupColor(goodf % ic)
assert "must only use hex digits" in str(vale)
def test_lookupColor_hex_wrong_count():
ran = range(1, 15)
elems = [0, 15] + [random.choice(ran) for i in range(0, 4)]
for i in range(0, 16):
h = "%.1x" % i
for n in range(0, 16):
if n in (3, 4, 6, 8):
continue
with pytest.raises(ValueError) as vale:
graphics.lookupColor("#" + h * n)
assert "must have either 3, 4, 6, or 8 hex digits" in str(vale)
def test_lookupColor_missing():
for color in expected_colors:
with pytest.raises(ValueError) as vale:
graphics.lookupColor(color + "a")
assert "Unknown color name" in str(vale)
def test_lookupColor_correct():
for color in expected_colors:
assert_valid_color(graphics.lookupColor(color))
def test_lookupColor_not_str_tuple():
for x in (0, 0.0, False, [0, 0, 0]):
with pytest.raises(ValueError) as vale:
graphics.lookupColor(x)
assert "To specify a color, either use the " in str(vale)
def test_lookupColor_simple_wrong_component_range():
for i in (-1, -255, -256, -1000, 256, 500, 1000):
for n in [3, 4]:
with pytest.raises(ValueError) as vale:
graphics.lookupColor((i,) * n)
assert "0 (minimum) to 255 (maximum)" in str(vale)
def test_lookupColor_simple_wrong_component_type():
for i in (0.1, False, "hello", "0"):
for n in [3, 4]:
with pytest.raises(ValueError) as vale:
graphics.lookupColor((i,) * n)
assert "specified with integer components" in str(vale)
