def test_valid_percentages_hsl(self):
"""Test 0% and 100% in the HSL colorspace."""
white = utils.interpolate_color(self.white, self.black, 0, QColor.Hsl)
black = utils.interpolate_color(self.white, self.black, 100,
QColor.Hsl)
assert Color(white) == self.white
assert Color(black) == self.black
def test_valid_percentages_hsv(self, colors):
"""Test 0% and 100% in the HSV colorspace."""
white = utils.interpolate_color(colors.white, colors.black, 0,
QColor.Hsv)
black = utils.interpolate_color(colors.white, colors.black, 100,
QColor.Hsv)
assert Color(white) == colors.white
assert Color(black) == colors.black
def test_0_100(self, colors, colorspace):
"""Test 0% and 100% in different colorspaces."""
white = utils.interpolate_color(colors.white, colors.black, 0,
colorspace)
black = utils.interpolate_color(colors.white, colors.black, 100,
colorspace)
assert Color(white) == colors.white
assert Color(black) == colors.black
def test_valid_percentages_hsv(self, colors):
"""Test 0% and 100% in the HSV colorspace."""
white = utils.interpolate_color(colors.white, colors.black, 0,
QColor.Hsv)
black = utils.interpolate_color(colors.white, colors.black, 100,
QColor.Hsv)
assert Color(white) == colors.white
assert Color(black) == colors.black
def test_0_100(self, colors, colorspace):
"""Test 0% and 100% in different colorspaces."""
white = utils.interpolate_color(colors.white, colors.black, 0,
colorspace)
black = utils.interpolate_color(colors.white, colors.black, 100,
colorspace)
assert Color(white) == colors.white
assert Color(black) == colors.black
def test_interpolation_hsl(self):
"""Test an interpolation in the HSL colorspace."""
start = Color()
stop = Color()
start.setHsl(0, 40, 100)
stop.setHsl(0, 20, 200)
color = utils.interpolate_color(start, stop, 50, QColor.Hsl)
expected = Color()
expected.setHsl(0, 30, 150)
assert Color(color) == expected
def test_interpolation_hsl(self):
"""Test an interpolation in the HSL colorspace."""
start = Color()
stop = Color()
start.setHsl(0, 40, 100)
stop.setHsl(0, 20, 200)
color = utils.interpolate_color(start, stop, 50, QColor.Hsl)
expected = Color()
expected.setHsl(0, 30, 150)
assert Color(color) == expected
def test_interpolation_rgb(self):
"""Test an interpolation in the RGB colorspace."""
color = utils.interpolate_color(Color(0, 40, 100), Color(0, 20, 200),
50, QColor.Rgb)
assert Color(color) == Color(0, 30, 150)
def test_invalid_colorspace(self, colors):
"""Test an invalid colorspace."""
with pytest.raises(ValueError):
utils.interpolate_color(colors.white, colors.black, 10,
QColor.Cmyk)
def test_invalid_percentage(self, colors, perc):
"""Test an invalid percentage."""
with pytest.raises(ValueError):
utils.interpolate_color(colors.white, colors.white, perc)
def test_invalid_end(self, colors):
"""Test an invalid end color."""
with pytest.raises(qtutils.QtValueError):
utils.interpolate_color(colors.white, Color(), 0)
def test_invalid_start(self, colors):
"""Test an invalid start color."""
with pytest.raises(qtutils.QtValueError):
utils.interpolate_color(Color(), colors.white, 0)
def test_interpolation_none(self, percentage, expected):
"""Test an interpolation with a gradient turned off."""
color = utils.interpolate_color(Color(0, 0, 0), Color(255, 255, 255),
percentage, None)
assert isinstance(color, QColor)
assert Color(color) == Color(*expected)
def test_invalid_percentage(self):
"""Test an invalid percentage."""
with pytest.raises(ValueError):
utils.interpolate_color(self.white, self.white, -1)
with pytest.raises(ValueError):
utils.interpolate_color(self.white, self.white, 101)
def test_invalid_colorspace(self, colors):
"""Test an invalid colorspace."""
with pytest.raises(ValueError):
utils.interpolate_color(colors.white, colors.black, 10,
QColor.Cmyk)
def test_invalid_percentage(self, colors, perc):
"""Test an invalid percentage."""
with pytest.raises(ValueError):
utils.interpolate_color(colors.white, colors.white, perc)
def test_invalid_end(self, colors):
"""Test an invalid end color."""
with pytest.raises(qtutils.QtValueError):
utils.interpolate_color(colors.white, Color(), 0)
def test_invalid_start(self, colors):
"""Test an invalid start color."""
with pytest.raises(qtutils.QtValueError):
utils.interpolate_color(Color(), colors.white, 0)
def test_invalid_percentage(self):
"""Test an invalid percentage."""
with pytest.raises(ValueError):
utils.interpolate_color(self.white, self.white, -1)
with pytest.raises(ValueError):
utils.interpolate_color(self.white, self.white, 101)
def test_interpolation_none(self, percentage, expected):
"""Test an interpolation with a gradient turned off."""
color = utils.interpolate_color(Color(0, 0, 0), Color(255, 255, 255),
percentage, None)
assert isinstance(color, QColor)
assert Color(color) == Color(*expected)
def test_interpolation_rgb(self):
"""Test an interpolation in the RGB colorspace."""
color = utils.interpolate_color(Color(0, 40, 100), Color(0, 20, 200),
50, QColor.Rgb)
assert Color(color) == Color(0, 30, 150)
