Mercurial > hg
annotate tests/test-linerange.py @ 45653:a357688e3c9c
tests: update/remove outdated comments in test-copies-chain-merge.t
1b8fd4af3318 fixed the test case but missed updating the comments mentioning the
bug. Thanks for @martinvonz who spotted these outdated comments.
Differential Revision: https://phab.mercurial-scm.org/D9168
author | Pulkit Goyal <7895pulkit@gmail.com> |
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date | Wed, 07 Oct 2020 13:24:03 +0530 |
parents | ee3a55c8fd0f |
children | 6000f5b25c9b |
rev | line source |
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1 from __future__ import absolute_import |
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2 |
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3 import unittest |
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4 from mercurial import error, mdiff |
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5 from mercurial.utils import stringutil |
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6 |
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7 # for readability, line numbers are 0-origin |
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8 text1 = b''' |
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9 00 at OLD |
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12 02 at NEW, 03 at OLD |
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13 03 at NEW, 04 at OLD |
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14 04 at NEW, 05 at OLD |
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15 05 at NEW, 06 at OLD |
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16 07 at OLD |
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17 08 at OLD |
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18 09 at OLD |
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19 10 at OLD |
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20 11 at OLD |
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21 '''[ |
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22 1: |
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23 ] # strip initial LF |
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24 |
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25 text2 = b''' |
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26 00 at NEW |
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27 01 at NEW |
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28 02 at NEW, 03 at OLD |
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29 03 at NEW, 04 at OLD |
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30 04 at NEW, 05 at OLD |
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31 05 at NEW, 06 at OLD |
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32 06 at NEW |
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33 07 at NEW |
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34 08 at NEW |
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35 09 at NEW |
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36 10 at NEW |
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37 11 at NEW |
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38 '''[ |
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39 1: |
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40 ] # strip initial LF |
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41 |
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42 |
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43 def filteredblocks(blocks, rangeb): |
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44 """return `rangea` extracted from `blocks` coming from |
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45 `mdiff.blocksinrange` along with the mask of blocks within rangeb. |
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46 """ |
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47 filtered, rangea = mdiff.blocksinrange(blocks, rangeb) |
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48 skipped = [b not in filtered for b in blocks] |
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49 return rangea, skipped |
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50 |
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51 |
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52 class blocksinrangetests(unittest.TestCase): |
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53 def setUp(self): |
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54 self.blocks = list(mdiff.allblocks(text1, text2)) |
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55 assert self.blocks == [ |
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56 ([0, 3, 0, 2], b'!'), |
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57 ((3, 7, 2, 6), b'='), |
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58 ([7, 12, 6, 12], b'!'), |
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59 ((12, 12, 12, 12), b'='), |
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60 ], self.blocks |
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61 |
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62 def testWithinEqual(self): |
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63 """linerange within an "=" block""" |
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64 # IDX 0 1 |
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65 # 012345678901 |
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66 # SRC NNOOOONNNNNN (New/Old) |
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67 # ^^ |
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68 linerange2 = (3, 5) |
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69 linerange1, skipped = filteredblocks(self.blocks, linerange2) |
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70 self.assertEqual(linerange1, (4, 6)) |
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71 self.assertEqual(skipped, [True, False, True, True]) |
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72 |
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73 def testWithinEqualStrictly(self): |
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74 """linerange matching exactly an "=" block""" |
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75 # IDX 0 1 |
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76 # 012345678901 |
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77 # SRC NNOOOONNNNNN (New/Old) |
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78 # ^^^^ |
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79 linerange2 = (2, 6) |
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80 linerange1, skipped = filteredblocks(self.blocks, linerange2) |
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81 self.assertEqual(linerange1, (3, 7)) |
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82 self.assertEqual(skipped, [True, False, True, True]) |
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83 |
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84 def testWithinEqualLowerbound(self): |
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85 """linerange at beginning of an "=" block""" |
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86 # IDX 0 1 |
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87 # 012345678901 |
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88 # SRC NNOOOONNNNNN (New/Old) |
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89 # ^^ |
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90 linerange2 = (2, 4) |
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91 linerange1, skipped = filteredblocks(self.blocks, linerange2) |
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92 self.assertEqual(linerange1, (3, 5)) |
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93 self.assertEqual(skipped, [True, False, True, True]) |
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94 |
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95 def testWithinEqualLowerboundOneline(self): |
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96 """oneline-linerange at beginning of an "=" block""" |
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97 # IDX 0 1 |
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98 # 012345678901 |
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99 # SRC NNOOOONNNNNN (New/Old) |
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100 # ^ |
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101 linerange2 = (2, 3) |
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102 linerange1, skipped = filteredblocks(self.blocks, linerange2) |
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103 self.assertEqual(linerange1, (3, 4)) |
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104 self.assertEqual(skipped, [True, False, True, True]) |
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105 |
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106 def testWithinEqualUpperbound(self): |
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107 """linerange at end of an "=" block""" |
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108 # IDX 0 1 |
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109 # 012345678901 |
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110 # SRC NNOOOONNNNNN (New/Old) |
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111 # ^^^ |
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112 linerange2 = (3, 6) |
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113 linerange1, skipped = filteredblocks(self.blocks, linerange2) |
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114 self.assertEqual(linerange1, (4, 7)) |
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115 self.assertEqual(skipped, [True, False, True, True]) |
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116 |
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117 def testWithinEqualUpperboundOneLine(self): |
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118 """oneline-linerange at end of an "=" block""" |
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119 # IDX 0 1 |
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120 # 012345678901 |
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121 # SRC NNOOOONNNNNN (New/Old) |
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122 # ^ |
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123 linerange2 = (5, 6) |
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124 linerange1, skipped = filteredblocks(self.blocks, linerange2) |
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125 self.assertEqual(linerange1, (6, 7)) |
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126 self.assertEqual(skipped, [True, False, True, True]) |
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127 |
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128 def testWithinFirstBlockNeq(self): |
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129 """linerange within the first "!" block""" |
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130 # IDX 0 1 |
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131 # 012345678901 |
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132 # SRC NNOOOONNNNNN (New/Old) |
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133 # ^ |
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134 # | (empty) |
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135 # ^ |
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136 # ^^ |
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137 for linerange2 in [ |
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138 (0, 1), |
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139 (1, 1), |
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140 (1, 2), |
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141 (0, 2), |
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142 ]: |
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143 linerange1, skipped = filteredblocks(self.blocks, linerange2) |
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144 self.assertEqual(linerange1, (0, 3)) |
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145 self.assertEqual(skipped, [False, True, True, True]) |
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146 |
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147 def testWithinLastBlockNeq(self): |
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148 """linerange within the last "!" block""" |
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149 # IDX 0 1 |
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150 # 012345678901 |
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151 # SRC NNOOOONNNNNN (New/Old) |
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152 # ^ |
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153 # ^ |
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154 # | (empty) |
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155 # ^^^^^^ |
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156 # ^ |
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157 for linerange2 in [ |
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158 (6, 7), |
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159 (7, 8), |
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160 (7, 7), |
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161 (6, 12), |
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162 (11, 12), |
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163 ]: |
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164 linerange1, skipped = filteredblocks(self.blocks, linerange2) |
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165 self.assertEqual(linerange1, (7, 12)) |
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166 self.assertEqual(skipped, [True, True, False, True]) |
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167 |
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168 def testAccrossTwoBlocks(self): |
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169 """linerange accross two blocks""" |
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170 # IDX 0 1 |
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171 # 012345678901 |
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172 # SRC NNOOOONNNNNN (New/Old) |
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173 # ^^^^ |
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174 linerange2 = (1, 5) |
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175 linerange1, skipped = filteredblocks(self.blocks, linerange2) |
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176 self.assertEqual(linerange1, (0, 6)) |
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177 self.assertEqual(skipped, [False, False, True, True]) |
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178 |
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179 def testCrossingSeveralBlocks(self): |
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180 """linerange accross three blocks""" |
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181 # IDX 0 1 |
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182 # 012345678901 |
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183 # SRC NNOOOONNNNNN (New/Old) |
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184 # ^^^^^^^ |
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185 linerange2 = (1, 8) |
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186 linerange1, skipped = filteredblocks(self.blocks, linerange2) |
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187 self.assertEqual(linerange1, (0, 12)) |
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188 self.assertEqual(skipped, [False, False, False, True]) |
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189 |
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190 def testStartInEqBlock(self): |
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191 """linerange starting in an "=" block""" |
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192 # IDX 0 1 |
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193 # 012345678901 |
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194 # SRC NNOOOONNNNNN (New/Old) |
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195 # ^^^^ |
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196 # ^^^^^^^ |
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197 for linerange2, expectedlinerange1 in [ |
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198 ((5, 9), (6, 12)), |
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199 ((4, 11), (5, 12)), |
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200 ]: |
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201 linerange1, skipped = filteredblocks(self.blocks, linerange2) |
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202 self.assertEqual(linerange1, expectedlinerange1) |
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203 self.assertEqual(skipped, [True, False, False, True]) |
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204 |
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205 def testEndInEqBlock(self): |
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206 """linerange ending in an "=" block""" |
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207 # IDX 0 1 |
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208 # 012345678901 |
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209 # SRC NNOOOONNNNNN (New/Old) |
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210 # ^^ |
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211 # ^^^^^ |
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212 for linerange2, expectedlinerange1 in [ |
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213 ((1, 3), (0, 4)), |
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214 ((0, 4), (0, 5)), |
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215 ]: |
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216 linerange1, skipped = filteredblocks(self.blocks, linerange2) |
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217 self.assertEqual(linerange1, expectedlinerange1) |
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218 self.assertEqual(skipped, [False, False, True, True]) |
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219 |
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220 def testOutOfRange(self): |
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221 """linerange exceeding file size""" |
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222 exctype = error.Abort |
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223 for linerange2 in [ |
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224 (0, 34), |
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225 (15, 12), |
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226 ]: |
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227 # Could be `with self.assertRaises(error.Abort)` but python2.6 |
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228 # does not have assertRaises context manager. |
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229 try: |
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230 mdiff.blocksinrange(self.blocks, linerange2) |
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231 except exctype as exc: |
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232 self.assertTrue( |
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233 b'line range exceeds file size' |
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234 in stringutil.forcebytestr(exc) |
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235 ) |
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236 else: |
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237 self.fail('%s not raised' % exctype.__name__) |
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238 |
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239 |
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240 if __name__ == '__main__': |
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241 import silenttestrunner |
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242 |
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243 silenttestrunner.main(__name__) |