def testQgsLimitedRandomColorRampV2(self):
# test random color ramp
r = QgsLimitedRandomColorRamp(5)
self.assertEqual(r.type(), 'random')
self.assertEqual(r.count(), 5)
self.assertEqual(r.value(0), 0)
self.assertEqual(r.value(1), 0.25)
self.assertEqual(r.value(2), 0.5)
self.assertEqual(r.value(3), 0.75)
self.assertEqual(r.value(4), 1)
self.assertTrue(not r.color(-1).isValid())
self.assertTrue(not r.color(5).isValid())
# test that generated random colors are all valid
for i in range(10000):
r.updateColors()
for j in range(5):
self.assertTrue(r.color(r.value(j)).isValid())
# test setters
r.setHueMin(10)
self.assertEqual(r.hueMin(), 10)
r.setHueMax(60)
self.assertEqual(r.hueMax(), 60)
r.setSatMin(70)
self.assertEqual(r.satMin(), 70)
r.setSatMax(100)
self.assertEqual(r.satMax(), 100)
r.setValMin(150)
self.assertEqual(r.valMin(), 150)
r.setValMax(200)
self.assertEqual(r.valMax(), 200)
# test that generated random colors are within range
for i in range(10000):
r.updateColors()
for j in range(5):
c = r.color(r.value(j))
self.assertTrue(c.isValid())
self.assertTrue(c.hue() >= r.hueMin())
self.assertTrue(c.hue() <= r.hueMax())
self.assertTrue(c.saturation() >= r.satMin())
self.assertTrue(c.saturation() <= r.satMax())
self.assertTrue(c.value() >= r.valMin())
self.assertTrue(c.value() <= r.valMax())
# test creating from properties
props = r.properties()
fromProps = QgsLimitedRandomColorRamp.create(props)
self.assertEqual(fromProps.count(), 5)
self.assertEqual(fromProps.hueMin(), 10)
self.assertEqual(fromProps.hueMax(), 60)
self.assertEqual(fromProps.satMin(), 70)
self.assertEqual(fromProps.satMax(), 100)
self.assertEqual(fromProps.valMin(), 150)
self.assertEqual(fromProps.valMax(), 200)
# test cloning ramp
cloned = r.clone()
self.assertEqual(cloned.count(), 5)
self.assertEqual(cloned.hueMin(), 10)
self.assertEqual(cloned.hueMax(), 60)
self.assertEqual(cloned.satMin(), 70)
self.assertEqual(cloned.satMax(), 100)
self.assertEqual(cloned.valMin(), 150)
self.assertEqual(cloned.valMax(), 200)
# test randomColors static method
for i in range(10000):
cols = r.randomColors(10, 30, 60, 90, 120, 150, 180)
self.assertEqual(len(cols), 10)
for c in cols:
self.assertTrue(c.isValid())
self.assertTrue(c.hue() >= 30)
self.assertTrue(c.hue() <= 60)
self.assertTrue(c.saturation() >= 90)
self.assertTrue(c.saturation() <= 120)
self.assertTrue(c.value() >= 150)
self.assertTrue(c.value() <= 180)
def testQgsLimitedRandomColorRampV2(self):
# test random color ramp
r = QgsLimitedRandomColorRamp(5)
self.assertEqual(r.type(), 'random')
self.assertEqual(r.count(), 5)
self.assertEqual(r.value(0), 0)
self.assertEqual(r.value(1), 0.25)
self.assertEqual(r.value(2), 0.5)
self.assertEqual(r.value(3), 0.75)
self.assertEqual(r.value(4), 1)
self.assertTrue(not r.color(-1).isValid())
self.assertTrue(not r.color(5).isValid())
# test that generated random colors are all valid
for i in range(10000):
r.updateColors()
for j in range(5):
self.assertTrue(r.color(r.value(j)).isValid())
# test setters
r.setHueMin(10)
self.assertEqual(r.hueMin(), 10)
r.setHueMax(60)
self.assertEqual(r.hueMax(), 60)
r.setSatMin(70)
self.assertEqual(r.satMin(), 70)
r.setSatMax(100)
self.assertEqual(r.satMax(), 100)
r.setValMin(150)
self.assertEqual(r.valMin(), 150)
r.setValMax(200)
self.assertEqual(r.valMax(), 200)
# test that generated random colors are within range
for i in range(10000):
r.updateColors()
for j in range(5):
c = r.color(r.value(j))
self.assertTrue(c.isValid())
self.assertTrue(c.hue() >= r.hueMin())
self.assertTrue(c.hue() <= r.hueMax())
self.assertTrue(c.saturation() >= r.satMin())
self.assertTrue(c.saturation() <= r.satMax())
self.assertTrue(c.value() >= r.valMin())
self.assertTrue(c.value() <= r.valMax())
# test creating from properties
props = r.properties()
fromProps = QgsLimitedRandomColorRamp.create(props)
self.assertEqual(fromProps.count(), 5)
self.assertEqual(fromProps.hueMin(), 10)
self.assertEqual(fromProps.hueMax(), 60)
self.assertEqual(fromProps.satMin(), 70)
self.assertEqual(fromProps.satMax(), 100)
self.assertEqual(fromProps.valMin(), 150)
self.assertEqual(fromProps.valMax(), 200)
# test cloning ramp
cloned = r.clone()
self.assertEqual(cloned.count(), 5)
self.assertEqual(cloned.hueMin(), 10)
self.assertEqual(cloned.hueMax(), 60)
self.assertEqual(cloned.satMin(), 70)
self.assertEqual(cloned.satMax(), 100)
self.assertEqual(cloned.valMin(), 150)
self.assertEqual(cloned.valMax(), 200)
# test randomColors static method
for i in range(10000):
cols = r.randomColors(10, 30, 60, 90, 120, 150, 180)
self.assertEqual(len(cols), 10)
for c in cols:
self.assertTrue(c.isValid())
self.assertTrue(c.hue() >= 30)
self.assertTrue(c.hue() <= 60)
self.assertTrue(c.saturation() >= 90)
self.assertTrue(c.saturation() <= 120)
self.assertTrue(c.value() >= 150)
self.assertTrue(c.value() <= 180)
