t/t2019-checkout-ambiguous-ref.sh

   1 #!/bin/sh
   2
   3 test_description='checkout handling of ambiguous (branch/tag) refs'
   4 . ./test-lib.sh
   5
   6 test_expect_success 'setup ambiguous refs' '
   7         test_commit branch file &&
   8         git branch ambiguity &&
   9         git branch vagueness &&
  10         test_commit tag file &&
  11         git tag ambiguity &&
  12         git tag vagueness HEAD:file &&
  13         test_commit other file
  14 '
  15
  16 test_expect_success 'checkout ambiguous ref succeeds' '
  17         git checkout ambiguity >stdout 2>stderr
  18 '
  19
  20 test_expect_success 'checkout produces ambiguity warning' '
  21         grep "warning.*ambiguous" stderr
  22 '
  23
  24 test_expect_success 'checkout chooses branch over tag' '
  25         echo refs/heads/ambiguity >expect &&
  26         git symbolic-ref HEAD >actual &&
  27         test_cmp expect actual &&
  28         echo branch >expect &&
  29         test_cmp expect file
  30 '
  31
  32 test_expect_success 'checkout reports switch to branch' '
  33         test_i18ngrep "Switched to branch" stderr &&
  34         test_i18ngrep ! "^HEAD is now at" stderr
  35 '
  36
  37 test_expect_success 'checkout vague ref succeeds' '
  38         git checkout vagueness >stdout 2>stderr &&
  39         test_set_prereq VAGUENESS_SUCCESS
  40 '
  41
  42 test_expect_success VAGUENESS_SUCCESS 'checkout produces ambiguity warning' '
  43         grep "warning.*ambiguous" stderr
  44 '
  45
  46 test_expect_success VAGUENESS_SUCCESS 'checkout chooses branch over tag' '
  47         echo refs/heads/vagueness >expect &&
  48         git symbolic-ref HEAD >actual &&
  49         test_cmp expect actual &&
  50         echo branch >expect &&
  51         test_cmp expect file
  52 '
  53
  54 test_expect_success VAGUENESS_SUCCESS 'checkout reports switch to branch' '
  55         test_i18ngrep "Switched to branch" stderr &&
  56         test_i18ngrep ! "^HEAD is now at" stderr
  57 '
  58
  59 test_expect_success 'wildcard ambiguation, paths win' '
  60         git init ambi &&
  61         (
  62                 cd ambi &&
  63                 echo a >a.c &&
  64                 git add a.c &&
  65                 echo b >a.c &&
  66                 git checkout "*.c" &&
  67                 echo a >expect &&
  68                 test_cmp expect a.c
  69         )
  70 '
  71
  72 test_expect_success 'wildcard ambiguation, refs lose' '
  73         git init ambi2 &&
  74         (
  75                 cd ambi2 &&
  76                 echo a >"*.c" &&
  77                 git add . &&
  78                 test_must_fail git show :"*.c" &&
  79                 git show :"*.c" -- >actual &&
  80                 echo a >expect &&
  81                 test_cmp expect actual
  82         )
  83 '
  84
  85 test_done