Mercurial > hg
annotate tests/test-linerange.py @ 51279:51021612aea7 stable
bundle: highlight misbehavior when --base does not match any revision
See next changeset for fix and details.
author | Pierre-Yves David <pierre-yves.david@octobus.net> |
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date | Wed, 27 Dec 2023 18:42:13 +0100 |
parents | 6000f5b25c9b |
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1 import unittest |
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2 from mercurial import error, mdiff |
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3 from mercurial.utils import stringutil |
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4 |
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5 # for readability, line numbers are 0-origin |
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6 text1 = b''' |
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7 00 at OLD |
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8 01 at OLD |
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9 02 at OLD |
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10 02 at NEW, 03 at OLD |
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11 03 at NEW, 04 at OLD |
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12 04 at NEW, 05 at OLD |
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13 05 at NEW, 06 at OLD |
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14 07 at OLD |
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15 08 at OLD |
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16 09 at OLD |
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17 10 at OLD |
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18 11 at OLD |
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19 '''[ |
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20 1: |
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21 ] # strip initial LF |
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22 |
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23 text2 = b''' |
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24 00 at NEW |
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25 01 at NEW |
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26 02 at NEW, 03 at OLD |
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27 03 at NEW, 04 at OLD |
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28 04 at NEW, 05 at OLD |
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29 05 at NEW, 06 at OLD |
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30 06 at NEW |
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31 07 at NEW |
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32 08 at NEW |
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33 09 at NEW |
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34 10 at NEW |
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35 11 at NEW |
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36 '''[ |
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37 1: |
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38 ] # strip initial LF |
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39 |
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40 |
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41 def filteredblocks(blocks, rangeb): |
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42 """return `rangea` extracted from `blocks` coming from |
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43 `mdiff.blocksinrange` along with the mask of blocks within rangeb. |
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44 """ |
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45 filtered, rangea = mdiff.blocksinrange(blocks, rangeb) |
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46 skipped = [b not in filtered for b in blocks] |
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47 return rangea, skipped |
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48 |
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49 |
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50 class blocksinrangetests(unittest.TestCase): |
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51 def setUp(self): |
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52 self.blocks = list(mdiff.allblocks(text1, text2)) |
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53 assert self.blocks == [ |
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54 ([0, 3, 0, 2], b'!'), |
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55 ((3, 7, 2, 6), b'='), |
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56 ([7, 12, 6, 12], b'!'), |
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57 ((12, 12, 12, 12), b'='), |
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58 ], self.blocks |
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59 |
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60 def testWithinEqual(self): |
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61 """linerange within an "=" block""" |
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62 # IDX 0 1 |
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63 # 012345678901 |
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64 # SRC NNOOOONNNNNN (New/Old) |
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65 # ^^ |
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66 linerange2 = (3, 5) |
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67 linerange1, skipped = filteredblocks(self.blocks, linerange2) |
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68 self.assertEqual(linerange1, (4, 6)) |
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69 self.assertEqual(skipped, [True, False, True, True]) |
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70 |
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71 def testWithinEqualStrictly(self): |
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72 """linerange matching exactly an "=" block""" |
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73 # IDX 0 1 |
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74 # 012345678901 |
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75 # SRC NNOOOONNNNNN (New/Old) |
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76 # ^^^^ |
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77 linerange2 = (2, 6) |
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78 linerange1, skipped = filteredblocks(self.blocks, linerange2) |
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79 self.assertEqual(linerange1, (3, 7)) |
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80 self.assertEqual(skipped, [True, False, True, True]) |
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81 |
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82 def testWithinEqualLowerbound(self): |
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83 """linerange at beginning of an "=" block""" |
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84 # IDX 0 1 |
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85 # 012345678901 |
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86 # SRC NNOOOONNNNNN (New/Old) |
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87 # ^^ |
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88 linerange2 = (2, 4) |
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89 linerange1, skipped = filteredblocks(self.blocks, linerange2) |
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90 self.assertEqual(linerange1, (3, 5)) |
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91 self.assertEqual(skipped, [True, False, True, True]) |
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92 |
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93 def testWithinEqualLowerboundOneline(self): |
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94 """oneline-linerange at beginning of an "=" block""" |
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95 # IDX 0 1 |
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96 # 012345678901 |
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97 # SRC NNOOOONNNNNN (New/Old) |
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98 # ^ |
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99 linerange2 = (2, 3) |
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100 linerange1, skipped = filteredblocks(self.blocks, linerange2) |
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101 self.assertEqual(linerange1, (3, 4)) |
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102 self.assertEqual(skipped, [True, False, True, True]) |
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103 |
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104 def testWithinEqualUpperbound(self): |
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105 """linerange at end of an "=" block""" |
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106 # IDX 0 1 |
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107 # 012345678901 |
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108 # SRC NNOOOONNNNNN (New/Old) |
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109 # ^^^ |
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110 linerange2 = (3, 6) |
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111 linerange1, skipped = filteredblocks(self.blocks, linerange2) |
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112 self.assertEqual(linerange1, (4, 7)) |
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113 self.assertEqual(skipped, [True, False, True, True]) |
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114 |
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115 def testWithinEqualUpperboundOneLine(self): |
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116 """oneline-linerange at end of an "=" block""" |
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117 # IDX 0 1 |
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118 # 012345678901 |
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119 # SRC NNOOOONNNNNN (New/Old) |
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120 # ^ |
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121 linerange2 = (5, 6) |
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122 linerange1, skipped = filteredblocks(self.blocks, linerange2) |
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123 self.assertEqual(linerange1, (6, 7)) |
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124 self.assertEqual(skipped, [True, False, True, True]) |
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125 |
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126 def testWithinFirstBlockNeq(self): |
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127 """linerange within the first "!" block""" |
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128 # IDX 0 1 |
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129 # 012345678901 |
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130 # SRC NNOOOONNNNNN (New/Old) |
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131 # ^ |
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132 # | (empty) |
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133 # ^ |
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134 # ^^ |
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135 for linerange2 in [ |
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136 (0, 1), |
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137 (1, 1), |
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138 (1, 2), |
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139 (0, 2), |
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140 ]: |
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141 linerange1, skipped = filteredblocks(self.blocks, linerange2) |
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142 self.assertEqual(linerange1, (0, 3)) |
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143 self.assertEqual(skipped, [False, True, True, True]) |
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144 |
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145 def testWithinLastBlockNeq(self): |
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146 """linerange within the last "!" block""" |
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147 # IDX 0 1 |
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148 # 012345678901 |
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149 # SRC NNOOOONNNNNN (New/Old) |
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150 # ^ |
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151 # ^ |
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152 # | (empty) |
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153 # ^^^^^^ |
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154 # ^ |
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155 for linerange2 in [ |
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156 (6, 7), |
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157 (7, 8), |
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158 (7, 7), |
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159 (6, 12), |
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160 (11, 12), |
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161 ]: |
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162 linerange1, skipped = filteredblocks(self.blocks, linerange2) |
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163 self.assertEqual(linerange1, (7, 12)) |
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164 self.assertEqual(skipped, [True, True, False, True]) |
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165 |
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166 def testAccrossTwoBlocks(self): |
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167 """linerange accross two blocks""" |
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168 # IDX 0 1 |
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169 # 012345678901 |
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170 # SRC NNOOOONNNNNN (New/Old) |
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171 # ^^^^ |
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172 linerange2 = (1, 5) |
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173 linerange1, skipped = filteredblocks(self.blocks, linerange2) |
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174 self.assertEqual(linerange1, (0, 6)) |
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175 self.assertEqual(skipped, [False, False, True, True]) |
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176 |
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177 def testCrossingSeveralBlocks(self): |
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178 """linerange accross three blocks""" |
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179 # IDX 0 1 |
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180 # 012345678901 |
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181 # SRC NNOOOONNNNNN (New/Old) |
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182 # ^^^^^^^ |
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183 linerange2 = (1, 8) |
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184 linerange1, skipped = filteredblocks(self.blocks, linerange2) |
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185 self.assertEqual(linerange1, (0, 12)) |
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186 self.assertEqual(skipped, [False, False, False, True]) |
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187 |
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188 def testStartInEqBlock(self): |
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189 """linerange starting in an "=" block""" |
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190 # IDX 0 1 |
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191 # 012345678901 |
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192 # SRC NNOOOONNNNNN (New/Old) |
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193 # ^^^^ |
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194 # ^^^^^^^ |
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195 for linerange2, expectedlinerange1 in [ |
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196 ((5, 9), (6, 12)), |
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197 ((4, 11), (5, 12)), |
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198 ]: |
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199 linerange1, skipped = filteredblocks(self.blocks, linerange2) |
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200 self.assertEqual(linerange1, expectedlinerange1) |
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201 self.assertEqual(skipped, [True, False, False, True]) |
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202 |
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203 def testEndInEqBlock(self): |
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204 """linerange ending in an "=" block""" |
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205 # IDX 0 1 |
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206 # 012345678901 |
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207 # SRC NNOOOONNNNNN (New/Old) |
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208 # ^^ |
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209 # ^^^^^ |
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210 for linerange2, expectedlinerange1 in [ |
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211 ((1, 3), (0, 4)), |
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212 ((0, 4), (0, 5)), |
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213 ]: |
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214 linerange1, skipped = filteredblocks(self.blocks, linerange2) |
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215 self.assertEqual(linerange1, expectedlinerange1) |
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216 self.assertEqual(skipped, [False, False, True, True]) |
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217 |
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218 def testOutOfRange(self): |
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219 """linerange exceeding file size""" |
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220 exctype = error.Abort |
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221 for linerange2 in [ |
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222 (0, 34), |
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223 (15, 12), |
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224 ]: |
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225 # Could be `with self.assertRaises(error.Abort)` but python2.6 |
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226 # does not have assertRaises context manager. |
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227 try: |
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228 mdiff.blocksinrange(self.blocks, linerange2) |
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229 except exctype as exc: |
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230 self.assertTrue( |
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231 b'line range exceeds file size' |
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232 in stringutil.forcebytestr(exc) |
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233 ) |
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234 else: |
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235 self.fail('%s not raised' % exctype.__name__) |
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236 |
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237 |
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238 if __name__ == '__main__': |
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239 import silenttestrunner |
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240 |
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241 silenttestrunner.main(__name__) |