Mercurial > hg
annotate tests/test-linerange.py @ 43326:ef81de93143e stable
py3: use a BytesParser in notify extension
This is the first step to make the "long line" case in test-notify.t
pass by fixing a UnicodeDecodeError on Python 3.
We alias a parsebytes() in mail module, similarly as we already have a
parse() function for Python 2 and Python 3 compatibility.
author | Denis Laxalde <denis.laxalde@logilab.fr> |
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date | Thu, 24 Oct 2019 15:28:00 +0200 |
parents | 2372284d9457 |
children | ee3a55c8fd0f |
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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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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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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 '''[ |
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21 1: |
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22 ] # strip initial LF |
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23 |
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24 text2 = b''' |
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25 00 at NEW |
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26 01 at NEW |
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27 02 at NEW, 03 at OLD |
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28 03 at NEW, 04 at OLD |
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29 04 at NEW, 05 at OLD |
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30 05 at NEW, 06 at OLD |
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31 06 at NEW |
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32 07 at NEW |
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33 08 at NEW |
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34 09 at NEW |
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35 10 at NEW |
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36 11 at NEW |
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37 '''[ |
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38 1: |
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39 ] # strip initial LF |
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40 |
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41 |
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42 def filteredblocks(blocks, rangeb): |
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43 """return `rangea` extracted from `blocks` coming from |
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44 `mdiff.blocksinrange` along with the mask of blocks within rangeb. |
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45 """ |
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46 filtered, rangea = mdiff.blocksinrange(blocks, rangeb) |
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47 skipped = [b not in filtered for b in blocks] |
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48 return rangea, skipped |
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49 |
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50 |
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51 class blocksinrangetests(unittest.TestCase): |
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52 def setUp(self): |
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53 self.blocks = list(mdiff.allblocks(text1, text2)) |
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54 assert self.blocks == [ |
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55 ([0, 3, 0, 2], b'!'), |
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56 ((3, 7, 2, 6), b'='), |
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57 ([7, 12, 6, 12], b'!'), |
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58 ((12, 12, 12, 12), b'='), |
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59 ], self.blocks |
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60 |
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61 def testWithinEqual(self): |
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62 """linerange within an "=" block""" |
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63 # IDX 0 1 |
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64 # 012345678901 |
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65 # SRC NNOOOONNNNNN (New/Old) |
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66 # ^^ |
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67 linerange2 = (3, 5) |
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68 linerange1, skipped = filteredblocks(self.blocks, linerange2) |
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69 self.assertEqual(linerange1, (4, 6)) |
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70 self.assertEqual(skipped, [True, False, True, True]) |
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71 |
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72 def testWithinEqualStrictly(self): |
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73 """linerange matching exactly an "=" block""" |
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74 # IDX 0 1 |
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75 # 012345678901 |
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76 # SRC NNOOOONNNNNN (New/Old) |
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77 # ^^^^ |
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78 linerange2 = (2, 6) |
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79 linerange1, skipped = filteredblocks(self.blocks, linerange2) |
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80 self.assertEqual(linerange1, (3, 7)) |
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81 self.assertEqual(skipped, [True, False, True, True]) |
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82 |
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83 def testWithinEqualLowerbound(self): |
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84 """linerange at beginning of an "=" block""" |
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85 # IDX 0 1 |
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86 # 012345678901 |
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87 # SRC NNOOOONNNNNN (New/Old) |
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88 # ^^ |
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89 linerange2 = (2, 4) |
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90 linerange1, skipped = filteredblocks(self.blocks, linerange2) |
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91 self.assertEqual(linerange1, (3, 5)) |
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92 self.assertEqual(skipped, [True, False, True, True]) |
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93 |
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94 def testWithinEqualLowerboundOneline(self): |
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95 """oneline-linerange at beginning of an "=" block""" |
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96 # IDX 0 1 |
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97 # 012345678901 |
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98 # SRC NNOOOONNNNNN (New/Old) |
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99 # ^ |
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100 linerange2 = (2, 3) |
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101 linerange1, skipped = filteredblocks(self.blocks, linerange2) |
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102 self.assertEqual(linerange1, (3, 4)) |
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103 self.assertEqual(skipped, [True, False, True, True]) |
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104 |
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105 def testWithinEqualUpperbound(self): |
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106 """linerange at end of an "=" block""" |
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107 # IDX 0 1 |
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108 # 012345678901 |
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109 # SRC NNOOOONNNNNN (New/Old) |
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110 # ^^^ |
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111 linerange2 = (3, 6) |
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112 linerange1, skipped = filteredblocks(self.blocks, linerange2) |
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113 self.assertEqual(linerange1, (4, 7)) |
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114 self.assertEqual(skipped, [True, False, True, True]) |
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115 |
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116 def testWithinEqualUpperboundOneLine(self): |
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117 """oneline-linerange at end of an "=" block""" |
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118 # IDX 0 1 |
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119 # 012345678901 |
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120 # SRC NNOOOONNNNNN (New/Old) |
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121 # ^ |
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122 linerange2 = (5, 6) |
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123 linerange1, skipped = filteredblocks(self.blocks, linerange2) |
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124 self.assertEqual(linerange1, (6, 7)) |
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125 self.assertEqual(skipped, [True, False, True, True]) |
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126 |
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127 def testWithinFirstBlockNeq(self): |
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128 """linerange within the first "!" block""" |
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129 # IDX 0 1 |
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130 # 012345678901 |
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131 # SRC NNOOOONNNNNN (New/Old) |
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132 # ^ |
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133 # | (empty) |
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134 # ^ |
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135 # ^^ |
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136 for linerange2 in [ |
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137 (0, 1), |
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138 (1, 1), |
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139 (1, 2), |
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140 (0, 2), |
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141 ]: |
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142 linerange1, skipped = filteredblocks(self.blocks, linerange2) |
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143 self.assertEqual(linerange1, (0, 3)) |
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144 self.assertEqual(skipped, [False, True, True, True]) |
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145 |
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146 def testWithinLastBlockNeq(self): |
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147 """linerange within the last "!" block""" |
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148 # IDX 0 1 |
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149 # 012345678901 |
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150 # SRC NNOOOONNNNNN (New/Old) |
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151 # ^ |
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152 # ^ |
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153 # | (empty) |
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154 # ^^^^^^ |
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155 # ^ |
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156 for linerange2 in [ |
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157 (6, 7), |
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158 (7, 8), |
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159 (7, 7), |
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160 (6, 12), |
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161 (11, 12), |
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162 ]: |
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163 linerange1, skipped = filteredblocks(self.blocks, linerange2) |
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164 self.assertEqual(linerange1, (7, 12)) |
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165 self.assertEqual(skipped, [True, True, False, True]) |
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166 |
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167 def testAccrossTwoBlocks(self): |
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168 """linerange accross two blocks""" |
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169 # IDX 0 1 |
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170 # 012345678901 |
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171 # SRC NNOOOONNNNNN (New/Old) |
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172 # ^^^^ |
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173 linerange2 = (1, 5) |
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174 linerange1, skipped = filteredblocks(self.blocks, linerange2) |
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175 self.assertEqual(linerange1, (0, 6)) |
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176 self.assertEqual(skipped, [False, False, True, True]) |
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177 |
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178 def testCrossingSeveralBlocks(self): |
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179 """linerange accross three blocks""" |
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180 # IDX 0 1 |
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181 # 012345678901 |
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182 # SRC NNOOOONNNNNN (New/Old) |
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183 # ^^^^^^^ |
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184 linerange2 = (1, 8) |
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185 linerange1, skipped = filteredblocks(self.blocks, linerange2) |
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186 self.assertEqual(linerange1, (0, 12)) |
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187 self.assertEqual(skipped, [False, False, False, True]) |
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188 |
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189 def testStartInEqBlock(self): |
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190 """linerange starting in an "=" block""" |
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191 # IDX 0 1 |
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192 # 012345678901 |
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193 # SRC NNOOOONNNNNN (New/Old) |
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194 # ^^^^ |
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195 # ^^^^^^^ |
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196 for linerange2, expectedlinerange1 in [ |
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197 ((5, 9), (6, 12)), |
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198 ((4, 11), (5, 12)), |
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199 ]: |
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200 linerange1, skipped = filteredblocks(self.blocks, linerange2) |
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201 self.assertEqual(linerange1, expectedlinerange1) |
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202 self.assertEqual(skipped, [True, False, False, True]) |
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203 |
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204 def testEndInEqBlock(self): |
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205 """linerange ending in an "=" block""" |
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206 # IDX 0 1 |
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207 # 012345678901 |
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208 # SRC NNOOOONNNNNN (New/Old) |
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209 # ^^ |
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210 # ^^^^^ |
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211 for linerange2, expectedlinerange1 in [ |
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212 ((1, 3), (0, 4)), |
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213 ((0, 4), (0, 5)), |
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214 ]: |
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215 linerange1, skipped = filteredblocks(self.blocks, linerange2) |
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216 self.assertEqual(linerange1, expectedlinerange1) |
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217 self.assertEqual(skipped, [False, False, True, True]) |
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218 |
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219 def testOutOfRange(self): |
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220 """linerange exceeding file size""" |
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221 exctype = error.Abort |
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222 for linerange2 in [ |
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223 (0, 34), |
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224 (15, 12), |
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225 ]: |
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226 # Could be `with self.assertRaises(error.Abort)` but python2.6 |
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227 # does not have assertRaises context manager. |
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228 try: |
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229 mdiff.blocksinrange(self.blocks, linerange2) |
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230 except exctype as exc: |
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231 self.assertTrue('line range exceeds file size' in str(exc)) |
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232 else: |
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233 self.fail('%s not raised' % exctype.__name__) |
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234 |
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235 |
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236 if __name__ == '__main__': |
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237 import silenttestrunner |
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238 |
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239 silenttestrunner.main(__name__) |