Mercurial > hg
annotate tests/test-absorb-filefixupstate.py @ 39548:7ce9dea3a14a
localrepo: move repo creation logic out of localrepository.__init__ (API)
It has long bothered me that local repository creation is handled as
part of localrepository.__init__. Upcoming changes I want to make
around how repositories are initialized and instantiated will make
the continued existence of repository creation code in
localrepository.__init__ even more awkward.
localrepository instances are almost never constructed directly:
instead, callers are supposed to go through hg.repository() to obtain
a handle on a repository. And hg.repository() calls
localrepo.instance() to return a new repo instance.
This commit teaches localrepo.instance() to handle the create=True
logic. Most of the code for repo construction has been moved to a
standalone function. This allows extensions to monkeypatch the function
to further customize freshly-created repositories.
A few calls to localrepo.localrepository.__init__ that were passing
create=True were converted to call localrepo.instance().
.. api:: local repo creation moved out of constructor
``localrepo.localrepository.__init__`` no longer accepts a
``create`` argument to create a new repository. New repository
creation is now performed as part of ``localrepo.instance()``
and the bulk of the work is performed by
``localrepo.createrepository()``.
Differential Revision: https://phab.mercurial-scm.org/D4534
author | Gregory Szorc <gregory.szorc@gmail.com> |
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date | Tue, 11 Sep 2018 13:46:59 -0700 |
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children | dcda50856843 |
rev | line source |
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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) |