Mercurial > hg
annotate tests/test-linerange.py @ 41722:37b33c34bf4f
templatekw: add a {negrev} keyword
Revision numbers are getting much maligned for two reasons: they are
too long in large repos and users get confused by their local-only
nature. It just occurred to me that negative revision numbers avoid
both of those problems. Since negative revision numbers change
whenever the repo changes, it's much more obvious that they are a
local-only convenience. Additionally, for the recent commits that we
usually care about the most, negative revision numbers are always near
zero.
This commit adds a negrev templatekw to more easily expose negative
revision numbers. It's not easy to reliably produce this output with
existing keywords due to hidden commits while at the same time
ensuring good performance.
author | Jordi Gutiérrez Hermoso <jordigh@octave.org> |
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date | Fri, 15 Feb 2019 14:43:31 -0500 |
parents | 6939b6ac960a |
children | 2372284d9457 |
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 |
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6 # for readability, line numbers are 0-origin |
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7 text1 = b''' |
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8 00 at OLD |
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9 01 at OLD |
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10 02 at OLD |
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11 02 at NEW, 03 at OLD |
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12 03 at NEW, 04 at OLD |
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13 04 at NEW, 05 at OLD |
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14 05 at NEW, 06 at OLD |
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15 07 at OLD |
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16 08 at OLD |
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17 09 at OLD |
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18 10 at OLD |
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19 11 at OLD |
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20 '''[1:] # strip initial LF |
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21 |
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22 text2 = b''' |
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23 00 at NEW |
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24 01 at NEW |
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25 02 at NEW, 03 at OLD |
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26 03 at NEW, 04 at OLD |
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27 04 at NEW, 05 at OLD |
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28 05 at NEW, 06 at OLD |
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29 06 at NEW |
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30 07 at NEW |
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31 08 at NEW |
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32 09 at NEW |
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33 10 at NEW |
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34 11 at NEW |
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35 '''[1:] # strip initial LF |
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36 |
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37 def filteredblocks(blocks, rangeb): |
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38 """return `rangea` extracted from `blocks` coming from |
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39 `mdiff.blocksinrange` along with the mask of blocks within rangeb. |
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40 """ |
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41 filtered, rangea = mdiff.blocksinrange(blocks, rangeb) |
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42 skipped = [b not in filtered for b in blocks] |
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43 return rangea, skipped |
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44 |
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45 class blocksinrangetests(unittest.TestCase): |
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46 |
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47 def setUp(self): |
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48 self.blocks = list(mdiff.allblocks(text1, text2)) |
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49 assert self.blocks == [ |
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50 ([0, 3, 0, 2], b'!'), |
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51 ((3, 7, 2, 6), b'='), |
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52 ([7, 12, 6, 12], b'!'), |
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53 ((12, 12, 12, 12), b'='), |
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54 ], self.blocks |
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55 |
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56 def testWithinEqual(self): |
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57 """linerange within an "=" block""" |
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58 # IDX 0 1 |
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59 # 012345678901 |
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60 # SRC NNOOOONNNNNN (New/Old) |
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61 # ^^ |
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62 linerange2 = (3, 5) |
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63 linerange1, skipped = filteredblocks(self.blocks, linerange2) |
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64 self.assertEqual(linerange1, (4, 6)) |
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65 self.assertEqual(skipped, [True, False, True, True]) |
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66 |
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67 def testWithinEqualStrictly(self): |
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68 """linerange matching exactly an "=" block""" |
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69 # IDX 0 1 |
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70 # 012345678901 |
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71 # SRC NNOOOONNNNNN (New/Old) |
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72 # ^^^^ |
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73 linerange2 = (2, 6) |
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74 linerange1, skipped = filteredblocks(self.blocks, linerange2) |
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75 self.assertEqual(linerange1, (3, 7)) |
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76 self.assertEqual(skipped, [True, False, True, True]) |
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77 |
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78 def testWithinEqualLowerbound(self): |
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79 """linerange at beginning of an "=" block""" |
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80 # IDX 0 1 |
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81 # 012345678901 |
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82 # SRC NNOOOONNNNNN (New/Old) |
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83 # ^^ |
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84 linerange2 = (2, 4) |
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85 linerange1, skipped = filteredblocks(self.blocks, linerange2) |
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86 self.assertEqual(linerange1, (3, 5)) |
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87 self.assertEqual(skipped, [True, False, True, True]) |
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88 |
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89 def testWithinEqualLowerboundOneline(self): |
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90 """oneline-linerange at beginning of an "=" block""" |
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91 # IDX 0 1 |
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92 # 012345678901 |
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93 # SRC NNOOOONNNNNN (New/Old) |
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94 # ^ |
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95 linerange2 = (2, 3) |
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96 linerange1, skipped = filteredblocks(self.blocks, linerange2) |
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97 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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197 self.assertEqual(skipped, [True, False, False, True]) |
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198 |
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199 def testEndInEqBlock(self): |
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200 """linerange ending in an "=" block""" |
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201 # IDX 0 1 |
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202 # 012345678901 |
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203 # SRC NNOOOONNNNNN (New/Old) |
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204 # ^^ |
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205 # ^^^^^ |
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206 for linerange2, expectedlinerange1 in [ |
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207 ((1, 3), (0, 4)), |
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208 ((0, 4), (0, 5)), |
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209 ]: |
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210 linerange1, skipped = filteredblocks(self.blocks, linerange2) |
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211 self.assertEqual(linerange1, expectedlinerange1) |
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212 self.assertEqual(skipped, [False, False, True, True]) |
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213 |
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214 def testOutOfRange(self): |
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215 """linerange exceeding file size""" |
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216 exctype = error.Abort |
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217 for linerange2 in [ |
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218 (0, 34), |
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219 (15, 12), |
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220 ]: |
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221 # Could be `with self.assertRaises(error.Abort)` but python2.6 |
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222 # does not have assertRaises context manager. |
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223 try: |
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224 mdiff.blocksinrange(self.blocks, linerange2) |
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225 except exctype as exc: |
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226 self.assertTrue('line range exceeds file size' in str(exc)) |
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227 else: |
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228 self.fail('%s not raised' % exctype.__name__) |
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229 |
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230 if __name__ == '__main__': |
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231 import silenttestrunner |
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232 silenttestrunner.main(__name__) |