author | Gregory Szorc <gregory.szorc@gmail.com> |
Tue, 27 Feb 2018 14:21:29 -0800 | |
changeset 36535 | 1c16324fdf05 |
parent 30717 | 3eeb8e138e5c |
child 37583 | 6939b6ac960a |
permissions | -rw-r--r-- |
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from __future__ import absolute_import |
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import unittest |
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from mercurial import error, mdiff |
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# for readability, line numbers are 0-origin |
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text1 = ''' |
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00 at OLD |
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01 at OLD |
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02 at OLD |
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02 at NEW, 03 at OLD |
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03 at NEW, 04 at OLD |
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04 at NEW, 05 at OLD |
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05 at NEW, 06 at OLD |
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07 at OLD |
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08 at OLD |
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09 at OLD |
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10 at OLD |
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11 at OLD |
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'''[1:] # strip initial LF |
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text2 = ''' |
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00 at NEW |
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01 at NEW |
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02 at NEW, 03 at OLD |
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03 at NEW, 04 at OLD |
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04 at NEW, 05 at OLD |
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05 at NEW, 06 at OLD |
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06 at NEW |
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07 at NEW |
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08 at NEW |
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09 at NEW |
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10 at NEW |
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11 at NEW |
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'''[1:] # strip initial LF |
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def filteredblocks(blocks, rangeb): |
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"""return `rangea` extracted from `blocks` coming from |
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`mdiff.blocksinrange` along with the mask of blocks within rangeb. |
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""" |
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filtered, rangea = mdiff.blocksinrange(blocks, rangeb) |
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skipped = [b not in filtered for b in blocks] |
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return rangea, skipped |
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class blocksinrangetests(unittest.TestCase): |
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def setUp(self): |
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self.blocks = list(mdiff.allblocks(text1, text2)) |
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assert self.blocks == [ |
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([0, 3, 0, 2], '!'), |
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((3, 7, 2, 6), '='), |
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([7, 12, 6, 12], '!'), |
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((12, 12, 12, 12), '='), |
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], self.blocks |
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def testWithinEqual(self): |
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"""linerange within an "=" block""" |
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# IDX 0 1 |
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# 012345678901 |
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# SRC NNOOOONNNNNN (New/Old) |
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# ^^ |
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linerange2 = (3, 5) |
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linerange1, skipped = filteredblocks(self.blocks, linerange2) |
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self.assertEqual(linerange1, (4, 6)) |
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self.assertEqual(skipped, [True, False, True, True]) |
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def testWithinEqualStrictly(self): |
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"""linerange matching exactly an "=" block""" |
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# IDX 0 1 |
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# 012345678901 |
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# SRC NNOOOONNNNNN (New/Old) |
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# ^^^^ |
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linerange2 = (2, 6) |
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linerange1, skipped = filteredblocks(self.blocks, linerange2) |
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self.assertEqual(linerange1, (3, 7)) |
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self.assertEqual(skipped, [True, False, True, True]) |
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def testWithinEqualLowerbound(self): |
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"""linerange at beginning of an "=" block""" |
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# IDX 0 1 |
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# 012345678901 |
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# SRC NNOOOONNNNNN (New/Old) |
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# ^^ |
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linerange2 = (2, 4) |
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linerange1, skipped = filteredblocks(self.blocks, linerange2) |
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self.assertEqual(linerange1, (3, 5)) |
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self.assertEqual(skipped, [True, False, True, True]) |
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def testWithinEqualLowerboundOneline(self): |
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"""oneline-linerange at beginning of an "=" block""" |
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# IDX 0 1 |
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# 012345678901 |
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# SRC NNOOOONNNNNN (New/Old) |
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# ^ |
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linerange2 = (2, 3) |
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linerange1, skipped = filteredblocks(self.blocks, linerange2) |
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self.assertEqual(linerange1, (3, 4)) |
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98 |
self.assertEqual(skipped, [True, False, True, True]) |
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99 |
|
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100 |
def testWithinEqualUpperbound(self): |
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101 |
"""linerange at end of an "=" block""" |
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102 |
# IDX 0 1 |
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103 |
# 012345678901 |
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104 |
# SRC NNOOOONNNNNN (New/Old) |
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105 |
# ^^^ |
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106 |
linerange2 = (3, 6) |
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107 |
linerange1, skipped = filteredblocks(self.blocks, linerange2) |
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108 |
self.assertEqual(linerange1, (4, 7)) |
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109 |
self.assertEqual(skipped, [True, False, True, True]) |
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|
110 |
|
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|
111 |
def testWithinEqualUpperboundOneLine(self): |
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112 |
"""oneline-linerange at end of an "=" block""" |
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113 |
# IDX 0 1 |
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114 |
# 012345678901 |
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|
115 |
# SRC NNOOOONNNNNN (New/Old) |
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116 |
# ^ |
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117 |
linerange2 = (5, 6) |
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118 |
linerange1, skipped = filteredblocks(self.blocks, linerange2) |
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119 |
self.assertEqual(linerange1, (6, 7)) |
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120 |
self.assertEqual(skipped, [True, False, True, True]) |
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121 |
|
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122 |
def testWithinFirstBlockNeq(self): |
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123 |
"""linerange within the first "!" block""" |
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124 |
# IDX 0 1 |
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|
125 |
# 012345678901 |
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|
126 |
# SRC NNOOOONNNNNN (New/Old) |
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127 |
# ^ |
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128 |
# | (empty) |
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|
129 |
# ^ |
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130 |
# ^^ |
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|
131 |
for linerange2 in [ |
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132 |
(0, 1), |
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133 |
(1, 1), |
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134 |
(1, 2), |
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|
135 |
(0, 2), |
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|
136 |
]: |
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|
137 |
linerange1, skipped = filteredblocks(self.blocks, linerange2) |
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|
138 |
self.assertEqual(linerange1, (0, 3)) |
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|
139 |
self.assertEqual(skipped, [False, True, True, True]) |
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|
140 |
|
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|
141 |
def testWithinLastBlockNeq(self): |
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142 |
"""linerange within the last "!" block""" |
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|
143 |
# IDX 0 1 |
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|
144 |
# 012345678901 |
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|
145 |
# SRC NNOOOONNNNNN (New/Old) |
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|
146 |
# ^ |
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|
147 |
# ^ |
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|
148 |
# | (empty) |
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|
149 |
# ^^^^^^ |
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|
150 |
# ^ |
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|
151 |
for linerange2 in [ |
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|
152 |
(6, 7), |
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|
153 |
(7, 8), |
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|
154 |
(7, 7), |
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|
155 |
(6, 12), |
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|
156 |
(11, 12), |
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|
157 |
]: |
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|
158 |
linerange1, skipped = filteredblocks(self.blocks, linerange2) |
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|
159 |
self.assertEqual(linerange1, (7, 12)) |
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|
160 |
self.assertEqual(skipped, [True, True, False, True]) |
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|
161 |
|
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|
162 |
def testAccrossTwoBlocks(self): |
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|
163 |
"""linerange accross two blocks""" |
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|
164 |
# IDX 0 1 |
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|
165 |
# 012345678901 |
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|
166 |
# SRC NNOOOONNNNNN (New/Old) |
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|
167 |
# ^^^^ |
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|
168 |
linerange2 = (1, 5) |
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|
169 |
linerange1, skipped = filteredblocks(self.blocks, linerange2) |
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|
170 |
self.assertEqual(linerange1, (0, 6)) |
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|
171 |
self.assertEqual(skipped, [False, False, True, True]) |
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|
172 |
|
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|
173 |
def testCrossingSeveralBlocks(self): |
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|
174 |
"""linerange accross three blocks""" |
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|
175 |
# IDX 0 1 |
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|
176 |
# 012345678901 |
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|
177 |
# SRC NNOOOONNNNNN (New/Old) |
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|
178 |
# ^^^^^^^ |
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|
179 |
linerange2 = (1, 8) |
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|
180 |
linerange1, skipped = filteredblocks(self.blocks, linerange2) |
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|
181 |
self.assertEqual(linerange1, (0, 12)) |
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|
182 |
self.assertEqual(skipped, [False, False, False, True]) |
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|
183 |
|
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|
184 |
def testStartInEqBlock(self): |
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185 |
"""linerange starting in an "=" block""" |
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|
186 |
# IDX 0 1 |
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|
187 |
# 012345678901 |
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|
188 |
# SRC NNOOOONNNNNN (New/Old) |
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|
189 |
# ^^^^ |
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|
190 |
# ^^^^^^^ |
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|
191 |
for linerange2, expectedlinerange1 in [ |
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192 |
((5, 9), (6, 12)), |
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193 |
((4, 11), (5, 12)), |
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|
194 |
]: |
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|
195 |
linerange1, skipped = filteredblocks(self.blocks, linerange2) |
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|
196 |
self.assertEqual(linerange1, expectedlinerange1) |
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self.assertEqual(skipped, [True, False, False, True]) |
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|
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def testEndInEqBlock(self): |
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"""linerange ending in an "=" block""" |
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# IDX 0 1 |
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# 012345678901 |
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# SRC NNOOOONNNNNN (New/Old) |
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# ^^ |
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# ^^^^^ |
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for linerange2, expectedlinerange1 in [ |
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((1, 3), (0, 4)), |
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((0, 4), (0, 5)), |
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]: |
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linerange1, skipped = filteredblocks(self.blocks, linerange2) |
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self.assertEqual(linerange1, expectedlinerange1) |
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self.assertEqual(skipped, [False, False, True, True]) |
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def testOutOfRange(self): |
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"""linerange exceeding file size""" |
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exctype = error.Abort |
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for linerange2 in [ |
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(0, 34), |
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(15, 12), |
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]: |
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# Could be `with self.assertRaises(error.Abort)` but python2.6 |
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# does not have assertRaises context manager. |
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try: |
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mdiff.blocksinrange(self.blocks, linerange2) |
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except exctype as exc: |
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self.assertTrue('line range exceeds file size' in str(exc)) |
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else: |
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self.fail('%s not raised' % exctype.__name__) |
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if __name__ == '__main__': |
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import silenttestrunner |
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silenttestrunner.main(__name__) |