Mercurial > hg
annotate tests/test-linerange.py @ 31074:2912b06905dc
py3: use pycompat.fsencode() to convert __file__ to bytes
__file__ returns unicodes on Python 3. This patch uses pycompat.fsencode() to
convert them to bytes.
author | Pulkit Goyal <7895pulkit@gmail.com> |
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date | Mon, 20 Feb 2017 18:40:42 +0530 |
parents | 3eeb8e138e5c |
children | 6939b6ac960a |
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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 = ''' |
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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 = ''' |
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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], '!'), |
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51 ((3, 7, 2, 6), '='), |
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52 ([7, 12, 6, 12], '!'), |
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53 ((12, 12, 12, 12), '='), |
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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__) |