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import pytest
from pycallgraph2 import Color, ColorException
def test_bad_range():
with pytest.raises(ColorException):
Color(0, 5, 0, 0)
with pytest.raises(ColorException):
Color(0, 0, -1, 0)
def test_hsv():
c = Color.hsv(0.1, 0.5, 0.75, 0.25)
assert c.r is 0.75
assert abs(c.g - 0.6) < 0.1 # Floating point comparison inaccurate
assert abs(c.b - 0.375) < 0.1
assert c.a is 0.25
def test_rgb_csv():
assert Color(0.3, 0.4, 0.5, 0.6).rgb_csv() == '76,102,127'
def test_str():
assert str(Color(0.071, 0.204, 0.338, 0.471)) == '<Color #12345678>'
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