def testInvalidRange(self):
with self.assertRaises(ValueError):
FrameRange('1-10-20')
with self.assertRaises(ValueError):
FrameRange('1x10-20')
with self.assertRaises(ValueError):
FrameRange('1:10-20')
def testNormalize(self):
simpleRange = FrameRange('3-5')
simpleRange.normalize()
self.assertEqual([3, 4, 5], simpleRange.getAll())
reverseOrder = FrameRange('3-1x-1')
reverseOrder.normalize()
self.assertEqual([1, 2, 3], reverseOrder.getAll())
def testNonNumericalInput(self):
with self.assertRaises(ValueError):
FrameRange('a')
with self.assertRaises(ValueError):
FrameRange('a-b')
with self.assertRaises(ValueError):
FrameRange('1-5xc')
with self.assertRaises(ValueError):
FrameRange('1-5:c')
def testNegativeInvertedStep(self):
result = FrameRange('8-1y-2')
self.assertEqual([7, 5, 3, 1], result.getAll())
def testInterleave(self):
result = FrameRange('1-10:5')
self.assertEqual([1, 6, 2, 4, 8, 10, 3, 5, 7, 9], result.getAll())
def testNegativeStepInvalidRange(self):
with self.assertRaises(ValueError):
FrameRange('1-8x-2')
def testInvertedStep(self):
result = FrameRange('1-8y2')
self.assertEqual([2, 4, 6, 8], result.getAll())
def testStep(self):
result = FrameRange('1-8x2')
self.assertEqual([1, 3, 5, 7], result.getAll())
def testNegativeStep(self):
result = FrameRange('8-1x-2')
self.assertEqual([8, 6, 4, 2], result.getAll())
def testSize(self):
result = FrameRange('1-7')
self.assertEquals(7, result.size())
def testGet(self):
result = FrameRange('1-7')
self.assertEquals(5, result.get(4))
def testNegativeFrameRange(self):
result = FrameRange('-20--13')
self.assertEqual([-20, -19, -18, -17, -16, -15, -14, -13], result.getAll())
def testNegativeToPositiveFrameRange(self):
result = FrameRange('-5-3')
self.assertEqual([-5, -4, -3, -2, -1, 0, 1, 2, 3], result.getAll())
def testFrameRange(self):
result = FrameRange('1-7')
self.assertEqual([1, 2, 3, 4, 5, 6, 7], result.getAll())
def testNegativeSingleFrame(self):
frame = -4982
result = FrameRange(str(frame))
self.assertEqual([frame], result.getAll())
def testSingleFrame(self):
frame = 4927
result = FrameRange(str(frame))
self.assertEqual([frame], result.getAll())
def testNegativeInterleave(self):
result = FrameRange('10-1:-5')
self.assertEqual([10, 5, 9, 7, 3, 1, 8, 6, 4, 2], result.getAll())
def testReverseNegativeFrameRange(self):
result = FrameRange('-2--6')
self.assertEqual([-2, -3, -4, -5, -6], result.getAll())
def testReverseFrameRange(self):
result = FrameRange('6-2')
self.assertEqual([6, 5, 4, 3, 2], result.getAll())
def testIndex(self):
result = FrameRange('1-7')
self.assertEquals(5, result.index(6))
self.assertEquals(-1, result.index(22))
