Mercurial > hg
annotate tests/test-absorb-filefixupstate.py @ 39232:0a5b20c107a6
repository: remove storedeltachains from ifilestorage
The ifilestorage interface was bootstrapped from requirements of
callers outside the storage implementation (revlogs). I believe we
even made some members public so they could be part of the interface!
Historically, the changegroup code was a gross offender when it
came to accessing low-level storage primitives. There are a handful
of members on the ifilestorage interface that are/were used only
for changegroup code.
With the recent refactor of changegroup code and the establishment
of a formal API on the storage interface for producing revision
deltas, the changegroup code is no longer accessing these low-level
primitives related to delta generation directly. Instead, things
are abstracted away in the storage implementation.
This means we can remove elements from the storage interface that
are no longer needed.
We start with "storedeltachains."
We remove it from the interface. Then we make it a private
attribute and update all references.
.. api:: storedeltachains has been dropped from ifilestorage interface
.. api:: storedeltachains on revlog classes is now _storedeltachains
Differential Revision: https://phab.mercurial-scm.org/D4227
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Thu, 09 Aug 2018 16:11:24 -0700 |
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1 from __future__ import absolute_import, print_function |
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2 |
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3 import itertools |
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4 from mercurial import pycompat |
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5 from hgext import absorb |
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6 |
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7 class simplefctx(object): |
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8 def __init__(self, content): |
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9 self.content = content |
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10 |
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11 def data(self): |
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12 return self.content |
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13 |
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14 def insertreturns(x): |
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15 # insert "\n"s after each single char |
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16 if isinstance(x, bytes): |
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17 return b''.join(ch + b'\n' for ch in pycompat.bytestr(x)) |
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18 else: |
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19 return pycompat.maplist(insertreturns, x) |
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20 |
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21 def removereturns(x): |
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22 # the revert of "insertreturns" |
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23 if isinstance(x, bytes): |
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24 return x.replace(b'\n', b'') |
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25 else: |
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26 return pycompat.maplist(removereturns, x) |
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27 |
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28 def assertlistequal(lhs, rhs, decorator=lambda x: x): |
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29 if lhs != rhs: |
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30 raise RuntimeError('mismatch:\n actual: %r\n expected: %r' |
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31 % tuple(map(decorator, [lhs, rhs]))) |
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32 |
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33 def testfilefixup(oldcontents, workingcopy, expectedcontents, fixups=None): |
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34 """([str], str, [str], [(rev, a1, a2, b1, b2)]?) -> None |
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35 |
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36 workingcopy is a string, of which every character denotes a single line. |
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37 |
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38 oldcontents, expectedcontents are lists of strings, every character of |
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39 every string denots a single line. |
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40 |
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41 if fixups is not None, it's the expected fixups list and will be checked. |
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42 """ |
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43 expectedcontents = insertreturns(expectedcontents) |
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44 oldcontents = insertreturns(oldcontents) |
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45 workingcopy = insertreturns(workingcopy) |
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46 state = absorb.filefixupstate(pycompat.maplist(simplefctx, oldcontents)) |
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47 state.diffwith(simplefctx(workingcopy)) |
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48 if fixups is not None: |
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49 assertlistequal(state.fixups, fixups) |
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50 state.apply() |
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51 assertlistequal(state.finalcontents, expectedcontents, removereturns) |
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52 |
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53 def buildcontents(linesrevs): |
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54 # linesrevs: [(linecontent : str, revs : [int])] |
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55 revs = set(itertools.chain(*[revs for line, revs in linesrevs])) |
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56 return [b''] + [ |
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57 b''.join([l for l, rs in linesrevs if r in rs]) |
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58 for r in sorted(revs) |
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59 ] |
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60 |
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61 # input case 0: one single commit |
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62 case0 = [b'', b'11'] |
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63 |
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64 # replace a single chunk |
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65 testfilefixup(case0, b'', [b'', b'']) |
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66 testfilefixup(case0, b'2', [b'', b'2']) |
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67 testfilefixup(case0, b'22', [b'', b'22']) |
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68 testfilefixup(case0, b'222', [b'', b'222']) |
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69 |
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70 # input case 1: 3 lines, each commit adds one line |
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71 case1 = buildcontents([ |
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72 (b'1', [1, 2, 3]), |
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73 (b'2', [ 2, 3]), |
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74 (b'3', [ 3]), |
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75 ]) |
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76 |
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77 # 1:1 line mapping |
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78 testfilefixup(case1, b'123', case1) |
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79 testfilefixup(case1, b'12c', [b'', b'1', b'12', b'12c']) |
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80 testfilefixup(case1, b'1b3', [b'', b'1', b'1b', b'1b3']) |
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81 testfilefixup(case1, b'1bc', [b'', b'1', b'1b', b'1bc']) |
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82 testfilefixup(case1, b'a23', [b'', b'a', b'a2', b'a23']) |
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83 testfilefixup(case1, b'a2c', [b'', b'a', b'a2', b'a2c']) |
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84 testfilefixup(case1, b'ab3', [b'', b'a', b'ab', b'ab3']) |
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85 testfilefixup(case1, b'abc', [b'', b'a', b'ab', b'abc']) |
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86 |
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87 # non 1:1 edits |
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88 testfilefixup(case1, b'abcd', case1) |
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89 testfilefixup(case1, b'ab', case1) |
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90 |
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91 # deletion |
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92 testfilefixup(case1, b'', [b'', b'', b'', b'']) |
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93 testfilefixup(case1, b'1', [b'', b'1', b'1', b'1']) |
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94 testfilefixup(case1, b'2', [b'', b'', b'2', b'2']) |
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95 testfilefixup(case1, b'3', [b'', b'', b'', b'3']) |
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96 testfilefixup(case1, b'13', [b'', b'1', b'1', b'13']) |
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97 |
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98 # replaces |
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99 testfilefixup(case1, b'1bb3', [b'', b'1', b'1bb', b'1bb3']) |
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100 |
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101 # (confusing) replaces |
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102 testfilefixup(case1, b'1bbb', case1) |
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103 testfilefixup(case1, b'bbbb', case1) |
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104 testfilefixup(case1, b'bbb3', case1) |
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105 testfilefixup(case1, b'1b', case1) |
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106 testfilefixup(case1, b'bb', case1) |
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107 testfilefixup(case1, b'b3', case1) |
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108 |
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109 # insertions at the beginning and the end |
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110 testfilefixup(case1, b'123c', [b'', b'1', b'12', b'123c']) |
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111 testfilefixup(case1, b'a123', [b'', b'a1', b'a12', b'a123']) |
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112 |
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113 # (confusing) insertions |
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114 testfilefixup(case1, b'1a23', case1) |
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115 testfilefixup(case1, b'12b3', case1) |
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116 |
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117 # input case 2: delete in the middle |
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118 case2 = buildcontents([ |
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119 (b'11', [1, 2]), |
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120 (b'22', [1 ]), |
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121 (b'33', [1, 2]), |
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122 ]) |
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123 |
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124 # deletion (optimize code should make it 2 chunks) |
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125 testfilefixup(case2, b'', [b'', b'22', b''], |
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126 fixups=[(4, 0, 2, 0, 0), (4, 2, 4, 0, 0)]) |
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127 |
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128 # 1:1 line mapping |
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129 testfilefixup(case2, b'aaaa', [b'', b'aa22aa', b'aaaa']) |
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130 |
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131 # non 1:1 edits |
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132 # note: unlike case0, the chunk is not "continuous" and no edit allowed |
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133 testfilefixup(case2, b'aaa', case2) |
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134 |
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135 # input case 3: rev 3 reverts rev 2 |
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136 case3 = buildcontents([ |
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137 (b'1', [1, 2, 3]), |
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138 (b'2', [ 2 ]), |
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139 (b'3', [1, 2, 3]), |
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140 ]) |
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141 |
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142 # 1:1 line mapping |
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143 testfilefixup(case3, b'13', case3) |
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144 testfilefixup(case3, b'1b', [b'', b'1b', b'12b', b'1b']) |
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145 testfilefixup(case3, b'a3', [b'', b'a3', b'a23', b'a3']) |
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146 testfilefixup(case3, b'ab', [b'', b'ab', b'a2b', b'ab']) |
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147 |
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148 # non 1:1 edits |
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149 testfilefixup(case3, b'a', case3) |
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150 testfilefixup(case3, b'abc', case3) |
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151 |
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152 # deletion |
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153 testfilefixup(case3, b'', [b'', b'', b'2', b'']) |
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154 |
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155 # insertion |
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156 testfilefixup(case3, b'a13c', [b'', b'a13c', b'a123c', b'a13c']) |
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157 |
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158 # input case 4: a slightly complex case |
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159 case4 = buildcontents([ |
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160 (b'1', [1, 2, 3]), |
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161 (b'2', [ 2, 3]), |
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162 (b'3', [1, 2, ]), |
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163 (b'4', [1, 3]), |
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164 (b'5', [ 3]), |
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165 (b'6', [ 2, 3]), |
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166 (b'7', [ 2 ]), |
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167 (b'8', [ 2, 3]), |
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168 (b'9', [ 3]), |
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169 ]) |
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170 |
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171 testfilefixup(case4, b'1245689', case4) |
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172 testfilefixup(case4, b'1a2456bbb', case4) |
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173 testfilefixup(case4, b'1abc5689', case4) |
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174 testfilefixup(case4, b'1ab5689', [b'', b'134', b'1a3678', b'1ab5689']) |
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175 testfilefixup(case4, b'aa2bcd8ee', [b'', b'aa34', b'aa23d78', b'aa2bcd8ee']) |
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176 testfilefixup(case4, b'aa2bcdd8ee',[b'', b'aa34', b'aa23678', b'aa24568ee']) |
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177 testfilefixup(case4, b'aaaaaa', case4) |
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178 testfilefixup(case4, b'aa258b', [b'', b'aa34', b'aa2378', b'aa258b']) |
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179 testfilefixup(case4, b'25bb', [b'', b'34', b'23678', b'25689']) |
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180 testfilefixup(case4, b'27', [b'', b'34', b'23678', b'245689']) |
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181 testfilefixup(case4, b'28', [b'', b'34', b'2378', b'28']) |
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182 testfilefixup(case4, b'', [b'', b'34', b'37', b'']) |
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183 |
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184 # input case 5: replace a small chunk which is near a deleted line |
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185 case5 = buildcontents([ |
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186 (b'12', [1, 2]), |
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187 (b'3', [1]), |
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188 (b'4', [1, 2]), |
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189 ]) |
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190 |
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191 testfilefixup(case5, b'1cd4', [b'', b'1cd34', b'1cd4']) |
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192 |
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193 # input case 6: base "changeset" is immutable |
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194 case6 = [b'1357', b'0125678'] |
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195 |
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196 testfilefixup(case6, b'0125678', case6) |
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197 testfilefixup(case6, b'0a25678', case6) |
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198 testfilefixup(case6, b'0a256b8', case6) |
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199 testfilefixup(case6, b'abcdefg', [b'1357', b'a1c5e7g']) |
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200 testfilefixup(case6, b'abcdef', case6) |
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201 testfilefixup(case6, b'', [b'1357', b'157']) |
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202 testfilefixup(case6, b'0123456789', [b'1357', b'0123456789']) |
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203 |
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204 # input case 7: change an empty file |
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205 case7 = [b''] |
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206 |
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207 testfilefixup(case7, b'1', case7) |