Mercurial > hg
annotate tests/helpers-testrepo.sh @ 32980:8dc62c97a665
run-tests: do not prompt changes (-i) if a race condition is detected
The race condition is like:
1. run-tests.py reads test-a.t as reference output, content A
2. run-tests.py runs the test (which could be content B, another race
condition fixed by the next patch, but assume it's content A here)
3. something changes test-a.t to content C
4. run-tests.py compares test output (content D) with content A
5. with "-i", run-tests.py prompts diff(A, D), while the file has content
C instead of A at this time
This patch detects the above case and tell the user to rerun the test if
they want to apply test changes.
author | Jun Wu <quark@fb.com> |
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date | Wed, 21 Jun 2017 01:05:20 -0700 |
parents | 3c9066ed557c |
children | 6c113a7dec52 |
rev | line source |
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29219
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1 # The test-repo is a live hg repository which may have evolution |
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2 # markers created, e.g. when a ~/.hgrc enabled evolution. |
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3 # |
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4 # Tests are run using a custom HGRCPATH, which do not |
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5 # enable evolution markers by default. |
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6 # |
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7 # If test-repo includes evolution markers, and we do not |
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8 # enable evolution markers, hg will occasionally complain |
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9 # when it notices them, which disrupts tests resulting in |
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10 # sporadic failures. |
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11 # |
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12 # Since we aren't performing any write operations on the |
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13 # test-repo, there's no harm in telling hg that we support |
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14 # evolution markers, which is what the following lines |
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15 # for the hgrc file do: |
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16 cat >> $HGRCPATH << EOF |
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17 [experimental] |
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18 evolution=createmarkers |
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19 EOF |