1 #!/usr/bin/env python 2 # Copyright (c) 2013 The Chromium Authors. All rights reserved. 3 # Use of this source code is governed by a BSD-style license that can be 4 # found in the LICENSE file. 5 6 import logging 7 import os 8 import sys 9 import unittest 10 11 BASE_PATH = os.path.dirname(os.path.dirname(os.path.abspath(__file__))) 12 sys.path.append(BASE_PATH) 13 14 from lib.range_dict import ExclusiveRangeDict 15 16 17 class ExclusiveRangeDictTest(unittest.TestCase): 18 class TestAttribute(ExclusiveRangeDict.RangeAttribute): 19 def __init__(self): 20 super(ExclusiveRangeDictTest.TestAttribute, self).__init__() 21 self._value = 0 22 23 def __str__(self): 24 return str(self._value) 25 26 def __repr__(self): 27 return '<TestAttribute:%d>' % self._value 28 29 def get(self): 30 return self._value 31 32 def set(self, new_value): 33 self._value = new_value 34 35 def copy(self): # pylint: disable=R0201 36 new_attr = ExclusiveRangeDictTest.TestAttribute() 37 new_attr.set(self._value) 38 return new_attr 39 40 def test_init(self): 41 ranges = ExclusiveRangeDict(self.TestAttribute) 42 43 result = [] 44 for begin, end, attr in ranges.iter_range(20, 40): 45 result.append({'begin': begin, 'end':end, 'attr':attr.get()}) 46 expected = [ 47 {'begin': 20, 'end': 40, 'attr': 0}, 48 ] 49 self.assertEqual(expected, result) 50 51 def test_norange(self): 52 ranges = ExclusiveRangeDict(self.TestAttribute) 53 54 result = [] 55 for begin, end, attr in ranges.iter_range(20, 20): 56 result.append({'begin': begin, 'end':end, 'attr':attr.get()}) 57 expected = [] 58 self.assertEqual(expected, result) 59 60 def test_set(self): 61 ranges = ExclusiveRangeDict(self.TestAttribute) 62 for begin, end, attr in ranges.iter_range(20, 30): 63 attr.set(12) 64 for begin, end, attr in ranges.iter_range(30, 40): 65 attr.set(52) 66 67 result = [] 68 for begin, end, attr in ranges.iter_range(20, 40): 69 result.append({'begin': begin, 'end':end, 'attr':attr.get()}) 70 expected = [ 71 {'begin': 20, 'end': 30, 'attr': 12}, 72 {'begin': 30, 'end': 40, 'attr': 52}, 73 ] 74 self.assertEqual(expected, result) 75 76 def test_split(self): 77 ranges = ExclusiveRangeDict(self.TestAttribute) 78 for begin, end, attr in ranges.iter_range(20, 30): 79 attr.set(1000) 80 for begin, end, attr in ranges.iter_range(30, 40): 81 attr.set(2345) 82 for begin, end, attr in ranges.iter_range(40, 50): 83 attr.set(3579) 84 85 result1 = [] 86 for begin, end, attr in ranges.iter_range(25, 45): 87 result1.append({'begin': begin, 'end':end, 'attr':attr.get()}) 88 expected1 = [ 89 {'begin': 25, 'end': 30, 'attr': 1000}, 90 {'begin': 30, 'end': 40, 'attr': 2345}, 91 {'begin': 40, 'end': 45, 'attr': 3579}, 92 ] 93 self.assertEqual(expected1, result1) 94 95 result2 = [] 96 for begin, end, attr in ranges.iter_range(20, 50): 97 result2.append({'begin': begin, 'end':end, 'attr':attr.get()}) 98 expected2 = [ 99 {'begin': 20, 'end': 25, 'attr': 1000}, 100 {'begin': 25, 'end': 30, 'attr': 1000}, 101 {'begin': 30, 'end': 40, 'attr': 2345}, 102 {'begin': 40, 'end': 45, 'attr': 3579}, 103 {'begin': 45, 'end': 50, 'attr': 3579}, 104 ] 105 self.assertEqual(expected2, result2) 106 107 def test_fill(self): 108 ranges = ExclusiveRangeDict(self.TestAttribute) 109 for begin, end, attr in ranges.iter_range(30, 35): 110 attr.set(12345) 111 for begin, end, attr in ranges.iter_range(40, 45): 112 attr.set(97531) 113 114 result = [] 115 for begin, end, attr in ranges.iter_range(25, 50): 116 result.append({'begin': begin, 'end':end, 'attr':attr.get()}) 117 expected = [ 118 {'begin': 25, 'end': 30, 'attr': 0}, 119 {'begin': 30, 'end': 35, 'attr': 12345}, 120 {'begin': 35, 'end': 40, 'attr': 0}, 121 {'begin': 40, 'end': 45, 'attr': 97531}, 122 {'begin': 45, 'end': 50, 'attr': 0}, 123 ] 124 self.assertEqual(expected, result) 125 126 127 if __name__ == '__main__': 128 logging.basicConfig( 129 level=logging.DEBUG if '-v' in sys.argv else logging.ERROR, 130 format='%(levelname)5s %(filename)15s(%(lineno)3d): %(message)s') 131 unittest.main() 132
