author | Martin von Zweigbergk <martinvonz@google.com> |
Mon, 06 Aug 2018 00:33:15 -0700 | |
changeset 38964 | 8a13855c8dbe |
parent 38956 | 5111d11b8719 |
child 39026 | 1aab0007a7c0 |
permissions | -rw-r--r-- |
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from __future__ import absolute_import, print_function |
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import itertools |
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from hgext import absorb |
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class simplefctx(object): |
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def __init__(self, content): |
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self.content = content |
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def data(self): |
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return self.content |
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def insertreturns(x): |
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# insert "\n"s after each single char |
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if isinstance(x, str): |
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return ''.join(ch + '\n' for ch in x) |
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else: |
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return map(insertreturns, x) |
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def removereturns(x): |
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# the revert of "insertreturns" |
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if isinstance(x, str): |
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return x.replace('\n', '') |
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else: |
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return map(removereturns, x) |
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def assertlistequal(lhs, rhs, decorator=lambda x: x): |
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if lhs != rhs: |
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raise RuntimeError('mismatch:\n actual: %r\n expected: %r' |
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% tuple(map(decorator, [lhs, rhs]))) |
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def testfilefixup(oldcontents, workingcopy, expectedcontents, fixups=None): |
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"""([str], str, [str], [(rev, a1, a2, b1, b2)]?) -> None |
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workingcopy is a string, of which every character denotes a single line. |
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oldcontents, expectedcontents are lists of strings, every character of |
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every string denots a single line. |
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if fixups is not None, it's the expected fixups list and will be checked. |
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""" |
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expectedcontents = insertreturns(expectedcontents) |
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oldcontents = insertreturns(oldcontents) |
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workingcopy = insertreturns(workingcopy) |
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state = absorb.filefixupstate(map(simplefctx, oldcontents)) |
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state.diffwith(simplefctx(workingcopy)) |
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if fixups is not None: |
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assertlistequal(state.fixups, fixups) |
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state.apply() |
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assertlistequal(state.finalcontents, expectedcontents, removereturns) |
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def buildcontents(linesrevs): |
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# linesrevs: [(linecontent : str, revs : [int])] |
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revs = set(itertools.chain(*[revs for line, revs in linesrevs])) |
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return [''] + [ |
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''.join([l for l, rs in linesrevs if r in rs]) |
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for r in sorted(revs) |
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] |
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# input case 0: one single commit |
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case0 = ['', '11'] |
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# replace a single chunk |
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testfilefixup(case0, '', ['', '']) |
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testfilefixup(case0, '2', ['', '2']) |
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testfilefixup(case0, '22', ['', '22']) |
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testfilefixup(case0, '222', ['', '222']) |
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# input case 1: 3 lines, each commit adds one line |
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case1 = buildcontents([ |
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('1', [1, 2, 3]), |
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('2', [ 2, 3]), |
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('3', [ 3]), |
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]) |
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# 1:1 line mapping |
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testfilefixup(case1, '123', case1) |
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testfilefixup(case1, '12c', ['', '1', '12', '12c']) |
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testfilefixup(case1, '1b3', ['', '1', '1b', '1b3']) |
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testfilefixup(case1, '1bc', ['', '1', '1b', '1bc']) |
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testfilefixup(case1, 'a23', ['', 'a', 'a2', 'a23']) |
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testfilefixup(case1, 'a2c', ['', 'a', 'a2', 'a2c']) |
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testfilefixup(case1, 'ab3', ['', 'a', 'ab', 'ab3']) |
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testfilefixup(case1, 'abc', ['', 'a', 'ab', 'abc']) |
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# non 1:1 edits |
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testfilefixup(case1, 'abcd', case1) |
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testfilefixup(case1, 'ab', case1) |
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# deletion |
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testfilefixup(case1, '', ['', '', '', '']) |
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testfilefixup(case1, '1', ['', '1', '1', '1']) |
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testfilefixup(case1, '2', ['', '', '2', '2']) |
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testfilefixup(case1, '3', ['', '', '', '3']) |
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testfilefixup(case1, '13', ['', '1', '1', '13']) |
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# replaces |
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testfilefixup(case1, '1bb3', ['', '1', '1bb', '1bb3']) |
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# (confusing) replaces |
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testfilefixup(case1, '1bbb', case1) |
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testfilefixup(case1, 'bbbb', case1) |
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testfilefixup(case1, 'bbb3', case1) |
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testfilefixup(case1, '1b', case1) |
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testfilefixup(case1, 'bb', case1) |
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testfilefixup(case1, 'b3', case1) |
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# insertions at the beginning and the end |
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testfilefixup(case1, '123c', ['', '1', '12', '123c']) |
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testfilefixup(case1, 'a123', ['', 'a1', 'a12', 'a123']) |
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# (confusing) insertions |
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testfilefixup(case1, '1a23', case1) |
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testfilefixup(case1, '12b3', case1) |
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# input case 2: delete in the middle |
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case2 = buildcontents([ |
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('11', [1, 2]), |
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120 |
('22', [1 ]), |
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('33', [1, 2]), |
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122 |
]) |
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123 |
|
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# deletion (optimize code should make it 2 chunks) |
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125 |
testfilefixup(case2, '', ['', '22', ''], |
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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, 'aaaa', ['', 'aa22aa', '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, '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 |
('1', [1, 2, 3]), |
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138 |
('2', [ 2 ]), |
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139 |
('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, '13', case3) |
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144 |
testfilefixup(case3, '1b', ['', '1b', '12b', '1b']) |
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parents:
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145 |
testfilefixup(case3, 'a3', ['', 'a3', 'a23', 'a3']) |
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146 |
testfilefixup(case3, 'ab', ['', 'ab', 'a2b', 'ab']) |
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|
147 |
|
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148 |
# non 1:1 edits |
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149 |
testfilefixup(case3, 'a', case3) |
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150 |
testfilefixup(case3, 'abc', case3) |
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|
151 |
|
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152 |
# deletion |
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153 |
testfilefixup(case3, '', ['', '', '2', '']) |
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|
154 |
|
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155 |
# insertion |
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156 |
testfilefixup(case3, 'a13c', ['', 'a13c', 'a123c', '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 |
('1', [1, 2, 3]), |
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161 |
('2', [ 2, 3]), |
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162 |
('3', [1, 2, ]), |
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163 |
('4', [1, 3]), |
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164 |
('5', [ 3]), |
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165 |
('6', [ 2, 3]), |
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166 |
('7', [ 2 ]), |
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167 |
('8', [ 2, 3]), |
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168 |
('9', [ 3]), |
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|
169 |
]) |
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|
170 |
|
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171 |
testfilefixup(case4, '1245689', case4) |
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172 |
testfilefixup(case4, '1a2456bbb', case4) |
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173 |
testfilefixup(case4, '1abc5689', case4) |
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174 |
testfilefixup(case4, '1ab5689', ['', '134', '1a3678', '1ab5689']) |
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175 |
testfilefixup(case4, 'aa2bcd8ee', ['', 'aa34', 'aa23d78', 'aa2bcd8ee']) |
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176 |
testfilefixup(case4, 'aa2bcdd8ee',['', 'aa34', 'aa23678', 'aa24568ee']) |
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177 |
testfilefixup(case4, 'aaaaaa', case4) |
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178 |
testfilefixup(case4, 'aa258b', ['', 'aa34', 'aa2378', 'aa258b']) |
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179 |
testfilefixup(case4, '25bb', ['', '34', '23678', '25689']) |
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180 |
testfilefixup(case4, '27', ['', '34', '23678', '245689']) |
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181 |
testfilefixup(case4, '28', ['', '34', '2378', '28']) |
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182 |
testfilefixup(case4, '', ['', '34', '37', '']) |
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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 |
('12', [1, 2]), |
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parents:
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187 |
('3', [1]), |
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|
188 |
('4', [1, 2]), |
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parents:
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|
189 |
]) |
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|
190 |
|
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|
191 |
testfilefixup(case5, '1cd4', ['', '1cd34', '1cd4']) |
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|
192 |
|
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193 |
# input case 6: base "changeset" is immutable |
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194 |
case6 = ['1357', '0125678'] |
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|
195 |
|
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|
196 |
testfilefixup(case6, '0125678', case6) |
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parents:
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|
197 |
testfilefixup(case6, '0a25678', case6) |
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parents:
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|
198 |
testfilefixup(case6, '0a256b8', case6) |
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parents:
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|
199 |
testfilefixup(case6, 'abcdefg', ['1357', 'a1c5e7g']) |
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parents:
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|
200 |
testfilefixup(case6, 'abcdef', case6) |
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parents:
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|
201 |
testfilefixup(case6, '', ['1357', '157']) |
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Augie Fackler <augie@google.com>
parents:
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|
202 |
testfilefixup(case6, '0123456789', ['1357', '0123456789']) |
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Augie Fackler <augie@google.com>
parents:
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|
203 |
|
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|
204 |
# input case 7: change an empty file |
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parents:
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|
205 |
case7 = [''] |
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Augie Fackler <augie@google.com>
parents:
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|
206 |
|
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|
207 |
testfilefixup(case7, '1', case7) |