def test_nested_subranges(self):
"""
Test nested subranges methods
"""
br1 = ByteRange(0, 100)
self.check_partitions(br1, True)
# Add 2nd layer
br11 = br1.add_subrange(0, 20)
self.check_partitions(br1, False, br11, True)
br12 = br1.add_subrange(20, 50)
self.check_partitions(br1, False, br12, True)
br13 = br1.add_subrange(70, 30)
self.check_partitions(br1, True, br13, True)
# Add 3rd layer
br121 = br12.add_subrange(0, 30)
self.check_partitions(br1, False, br12, False, br121, True)
br122 = br12.add_subrange(30, 20)
self.check_partitions(br1, True, br12, True, br122, True)
# Add 4th layer
br1211 = br121.add_subrange(0, 15)
self.check_partitions(br1, False, br12, False, br121, False, br1211,
True)
br1212 = br121.add_subrange(15, 10)
self.check_partitions(br1, False, br12, False, br121, False, br1212,
True)
br1213 = br121.add_subrange(25, 5)
self.check_partitions(br1, True, br12, True, br121, True, br1213, True)
# Verify all the absolute offsets
self.assertEqual((0, 20), br11.abs_range())
self.assertEqual((20, 35), br1211.abs_range())
self.assertEqual((35, 45), br1212.abs_range())
self.assertEqual((45, 50), br1213.abs_range())
self.assertEqual((50, 70), br122.abs_range())
self.assertEqual((70, 100), br13.abs_range())
def test_nested_subranges(self):
"""
Test nested subranges methods
"""
br1 = ByteRange(0, 100)
self.check_partitions(br1, True)
# Add 2nd layer
br11 = br1.add_subrange(0, 20)
self.check_partitions(br1, False, br11, True)
br12 = br1.add_subrange(20, 50)
self.check_partitions(br1, False, br12, True)
br13 = br1.add_subrange(70, 30)
self.check_partitions(br1, True, br13, True)
# Add 3rd layer
br121 = br12.add_subrange(0, 30)
self.check_partitions(br1, False, br12, False, br121, True)
br122 = br12.add_subrange(30, 20)
self.check_partitions(br1, True, br12, True, br122, True)
# Add 4th layer
br1211 = br121.add_subrange(0, 15)
self.check_partitions(br1, False, br12, False, br121, False, br1211, True)
br1212 = br121.add_subrange(15, 10)
self.check_partitions(br1, False, br12, False, br121, False, br1212, True)
br1213 = br121.add_subrange(25, 5)
self.check_partitions(br1, True, br12, True, br121, True, br1213, True)
# Verify all the absolute offsets
self.assertEqual((0, 20), br11.abs_range())
self.assertEqual((20, 35), br1211.abs_range())
self.assertEqual((35, 45), br1212.abs_range())
self.assertEqual((45, 50), br1213.abs_range())
self.assertEqual((50, 70), br122.abs_range())
self.assertEqual((70, 100), br13.abs_range())
def test_errors(self):
br = ByteRange(0, 100)
# Add 2 subranges
br.add_subrange(20, 10)
br.add_subrange(60, 20)
# Add an overlapping subrange in front of 1st subrange
self.assertRaises(ValueError, lambda: br.add_subrange(0, 21))
# Add an overlapping subrange behind 1st subrange
self.assertRaises(ValueError, lambda: br.add_subrange(29, 20))
# Add an overlapping subrange in front of 2nd subrange
self.assertRaises(ValueError, lambda: br.add_subrange(35, 26))
# Add an overlapping subrange behind 2nd subrange
self.assertRaises(ValueError, lambda: br.add_subrange(79, 10))
# Add a subrange that goes beyond the parent byte range
self.assertRaises(ValueError, lambda: br.add_subrange(90, 11))
def test_errors(self):
br = ByteRange(0, 100)
# Add 2 subranges
br.add_subrange(20, 10)
br.add_subrange(60, 20)
# Add an overlapping subrange in front of 1st subrange
self.assertRaises(ValueError, lambda: br.add_subrange(0, 21))
# Add an overlapping subrange behind 1st subrange
self.assertRaises(ValueError, lambda: br.add_subrange(29, 20))
# Add an overlapping subrange in front of 2nd subrange
self.assertRaises(ValueError, lambda: br.add_subrange(35, 26))
# Add an overlapping subrange behind 2nd subrange
self.assertRaises(ValueError, lambda: br.add_subrange(79, 10))
# Add a subrange that goes beyond the parent byte range
self.assertRaises(ValueError, lambda: br.add_subrange(90, 11))
def test_add_subrange(self):
"""
Test add_subrange() method
"""
br = ByteRange(0, 1000)
self.check_partition(br, True)
self.assertEqual('<BytesRange:0-1000>', str(br))
# Add 1st subrange
br.add_subrange(offset=100, length=51)
self.check_partition(br, False)
self.check_subranges(br, (100, 151))
# Add a subrange in the front
br.add_subrange(offset=50, length=7)
self.check_partition(br, False)
self.check_subranges(br, (50, 57), (100, 151))
# Add a subrange in the end
br.add_subrange(offset=200, length=800)
self.check_partition(br, False)
self.check_subranges(br, (50, 57), (100, 151), (200, 1000))
# Fill out the remaining gap to completely cover the byte range
br.add_subrange(offset=0, length=50)
br.add_subrange(offset=57, length=43)
br.add_subrange(offset=151, length=49)
self.check_partition(br, True)
self.check_subranges(br, (0, 50), (50, 57), (57, 100), (100, 151),
(151, 200), (200, 1000))
def test_add_subrange(self):
"""
Test add_subrange() method
"""
br = ByteRange(0, 1000)
self.check_partition(br, True)
self.assertEqual('<BytesRange:0-1000>', str(br))
# Add 1st subrange
br.add_subrange(offset=100, length=51)
self.check_partition(br, False)
self.check_subranges(br, (100, 151))
# Add a subrange in the front
br.add_subrange(offset=50, length=7)
self.check_partition(br, False)
self.check_subranges(br, (50, 57), (100, 151))
# Add a subrange in the end
br.add_subrange(offset=200, length=800)
self.check_partition(br, False)
self.check_subranges(br, (50, 57), (100, 151), (200, 1000))
# Fill out the remaining gap to completely cover the byte range
br.add_subrange(offset=0, length=50)
br.add_subrange(offset=57, length=43)
br.add_subrange(offset=151, length=49)
self.check_partition(br, True)
self.check_subranges(br, (0, 50), (50, 57), (57, 100), (100, 151), (151, 200), (200, 1000))
