Mercurial > hg
annotate tests/test-arbitraryfilectx.t @ 40527:1b49b84d5ed5
pycompat: adding Linux detection and fixing Mac
Python 3 recommends detecting OSs with the prefix of the platform, but we were
comparing the full string for macOS. We also didn't have Linux detection, which
is convenient for extensions to use (rather than have some OSs detected by hg
and some by the extension).
Reference:
https://docs.python.org/3/library/sys.html#sys.platform
Differential Revision: https://phab.mercurial-scm.org/D5227
author | rdamazio@google.com |
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date | Mon, 05 Nov 2018 19:52:42 -0800 |
parents | 9954d0e2ad00 |
children | 5361f9ed8a30 |
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1 Setup: |
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2 $ cat > eval.py <<EOF |
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3 > from __future__ import absolute_import |
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4 > import filecmp |
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5 > from mercurial import commands, context, pycompat, registrar |
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6 > cmdtable = {} |
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7 > command = registrar.command(cmdtable) |
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8 > @command(b'eval', [], b'hg eval CMD') |
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9 > def eval_(ui, repo, *cmds, **opts): |
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10 > cmd = b" ".join(cmds) |
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11 > res = pycompat.bytestr(eval(cmd, globals(), locals())) |
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12 > ui.warn(b"%s" % res) |
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13 > EOF |
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14 |
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15 $ echo "[extensions]" >> $HGRCPATH |
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16 $ echo "eval=`pwd`/eval.py" >> $HGRCPATH |
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17 |
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18 Arbitraryfilectx.cmp does not follow symlinks: |
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19 $ mkdir case1 |
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20 $ cd case1 |
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21 $ hg init |
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22 #if symlink |
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23 $ printf "A" > real_A |
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24 $ printf "foo" > A |
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25 $ printf "foo" > B |
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26 $ ln -s A sym_A |
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27 $ hg add . |
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28 adding A |
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29 adding B |
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30 adding real_A |
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31 adding sym_A |
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32 $ hg commit -m "base" |
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33 #else |
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34 $ hg import -q --bypass - <<EOF |
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35 > # HG changeset patch |
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36 > # User test |
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37 > # Date 0 0 |
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38 > base |
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39 > |
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40 > diff --git a/A b/A |
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41 > new file mode 100644 |
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42 > --- /dev/null |
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43 > +++ b/A |
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44 > @@ -0,0 +1,1 @@ |
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45 > +foo |
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46 > \ No newline at end of file |
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47 > diff --git a/B b/B |
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48 > new file mode 100644 |
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49 > --- /dev/null |
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50 > +++ b/B |
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51 > @@ -0,0 +1,1 @@ |
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52 > +foo |
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53 > \ No newline at end of file |
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54 > diff --git a/real_A b/real_A |
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55 > new file mode 100644 |
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56 > --- /dev/null |
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57 > +++ b/real_A |
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58 > @@ -0,0 +1,1 @@ |
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59 > +A |
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60 > \ No newline at end of file |
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61 > diff --git a/sym_A b/sym_A |
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62 > new file mode 120000 |
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63 > --- /dev/null |
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64 > +++ b/sym_A |
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65 > @@ -0,0 +1,1 @@ |
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66 > +A |
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67 > \ No newline at end of file |
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68 > EOF |
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69 $ hg up -q |
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70 #endif |
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71 |
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72 These files are different and should return True (different): |
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73 (Note that filecmp.cmp's return semantics are inverted from ours, so we invert |
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74 for simplicity): |
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75 $ hg eval "context.arbitraryfilectx('A', repo).cmp(repo[None]['real_A'])" |
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76 True (no-eol) |
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77 $ hg eval "not filecmp.cmp('A', 'real_A')" |
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78 True (no-eol) |
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79 |
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80 These files are identical and should return False (same): |
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81 $ hg eval "context.arbitraryfilectx('A', repo).cmp(repo[None]['A'])" |
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82 False (no-eol) |
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83 $ hg eval "context.arbitraryfilectx('A', repo).cmp(repo[None]['B'])" |
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84 False (no-eol) |
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85 $ hg eval "not filecmp.cmp('A', 'B')" |
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86 False (no-eol) |
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87 |
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88 This comparison should also return False, since A and sym_A are substantially |
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89 the same in the eyes of ``filectx.cmp``, which looks at data only. |
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90 $ hg eval "context.arbitraryfilectx('real_A', repo).cmp(repo[None]['sym_A'])" |
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91 False (no-eol) |
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92 |
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93 A naive use of filecmp on those two would wrongly return True, since it follows |
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94 the symlink to "A", which has different contents. |
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95 #if symlink |
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96 $ hg eval "not filecmp.cmp('real_A', 'sym_A')" |
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97 True (no-eol) |
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98 #else |
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99 $ hg eval "not filecmp.cmp('real_A', 'sym_A')" |
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100 False (no-eol) |
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101 #endif |