Mercurial > hg
annotate mercurial/dicthelpers.py @ 21022:52e9e63f1495
run-tests: test result shows when a failed test could not start a server
Failing to start a server happens regularly, at least on windows buildbot.
Such a failure often has nothing to do with the test, but with the environment.
But half the test output can change because some data is missing. Therefore this
is worth an extended error message.
Detect the server failure in the diff output because it is most reliable
there. Checking the output only does not show if the server failure was
expected.
Old failure message when server start failed:
Failed test-serve.t: output changed
New message:
Failed test-serve.t: serve failed and output changed
author | Simon Heimberg <simohe@besonet.ch> |
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date | Mon, 25 Nov 2013 22:00:46 +0100 |
parents | ed46c2b98b0d |
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1 # dicthelpers.py - helper routines for Python dicts |
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2 # |
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3 # Copyright 2013 Facebook |
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4 # |
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5 # This software may be used and distributed according to the terms of the |
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6 # GNU General Public License version 2 or any later version. |
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7 |
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8 def diff(d1, d2, default=None): |
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9 '''Return all key-value pairs that are different between d1 and d2. |
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10 |
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11 This includes keys that are present in one dict but not the other, and |
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12 keys whose values are different. The return value is a dict with values |
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13 being pairs of values from d1 and d2 respectively, and missing values |
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14 treated as default, so if a value is missing from one dict and the same as |
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15 default in the other, it will not be returned.''' |
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16 res = {} |
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17 if d1 is d2: |
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18 # same dict, so diff is empty |
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19 return res |
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20 |
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21 for k1, v1 in d1.iteritems(): |
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22 v2 = d2.get(k1, default) |
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23 if v1 != v2: |
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24 res[k1] = (v1, v2) |
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25 |
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26 for k2 in d2: |
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27 if k2 not in d1: |
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28 v2 = d2[k2] |
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29 if v2 != default: |
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30 res[k2] = (default, v2) |
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31 |
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32 return res |
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33 |
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34 def join(d1, d2, default=None): |
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35 '''Return all key-value pairs from both d1 and d2. |
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36 |
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37 This is akin to an outer join in relational algebra. The return value is a |
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38 dict with values being pairs of values from d1 and d2 respectively, and |
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39 missing values represented as default.''' |
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40 res = {} |
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41 |
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42 for k1, v1 in d1.iteritems(): |
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43 if k1 in d2: |
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44 res[k1] = (v1, d2[k1]) |
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45 else: |
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46 res[k1] = (v1, default) |
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47 |
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48 if d1 is d2: |
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49 return res |
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50 |
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51 for k2 in d2: |
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52 if k2 not in d1: |
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53 res[k2] = (default, d2[k2]) |
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54 |
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55 return res |