t/t1401-symbolic-ref.sh

   1 #!/bin/sh
   2
   3 test_description='basic symbolic-ref tests'
   4 . ./test-lib.sh
   5
   6 # If the tests munging HEAD fail, they can break detection of
   7 # the git repo, meaning that further tests will operate on
   8 # the surrounding git repo instead of the trash directory.
   9 reset_to_sane() {
  10         echo ref: refs/heads/foo >.git/HEAD
  11 }
  12
  13 test_expect_success 'symbolic-ref writes HEAD' '
  14         git symbolic-ref HEAD refs/heads/foo &&
  15         echo ref: refs/heads/foo >expect &&
  16         test_cmp expect .git/HEAD
  17 '
  18
  19 test_expect_success 'symbolic-ref reads HEAD' '
  20         echo refs/heads/foo >expect &&
  21         git symbolic-ref HEAD >actual &&
  22         test_cmp expect actual
  23 '
  24
  25 test_expect_success 'symbolic-ref refuses non-ref for HEAD' '
  26         test_must_fail git symbolic-ref HEAD foo
  27 '
  28 reset_to_sane
  29
  30 test_expect_success 'symbolic-ref refuses bare sha1' '
  31         echo content >file && git add file && git commit -m one &&
  32         test_must_fail git symbolic-ref HEAD `git rev-parse HEAD`
  33 '
  34 reset_to_sane
  35
  36 test_expect_success 'symbolic-ref deletes HEAD' '
  37         git symbolic-ref -d HEAD &&
  38         test_path_is_file .git/refs/heads/foo &&
  39         test_path_is_missing .git/HEAD
  40 '
  41 reset_to_sane
  42
  43 test_expect_success 'symbolic-ref deletes dangling HEAD' '
  44         git symbolic-ref HEAD refs/heads/missing &&
  45         git symbolic-ref -d HEAD &&
  46         test_path_is_missing .git/refs/heads/missing &&
  47         test_path_is_missing .git/HEAD
  48 '
  49 reset_to_sane
  50
  51 test_expect_success 'symbolic-ref fails to delete missing FOO' '
  52         echo "fatal: Cannot delete FOO, not a symbolic ref" >expect &&
  53         test_must_fail git symbolic-ref -d FOO >actual 2>&1 &&
  54         test_cmp expect actual
  55 '
  56 reset_to_sane
  57
  58 test_expect_success 'symbolic-ref fails to delete real ref' '
  59         echo "fatal: Cannot delete refs/heads/foo, not a symbolic ref" >expect &&
  60         test_must_fail git symbolic-ref -d refs/heads/foo >actual 2>&1 &&
  61         test_path_is_file .git/refs/heads/foo &&
  62         test_cmp expect actual
  63 '
  64 reset_to_sane
  65
  66 test_expect_success 'symbolic-ref reports failure in exit code' '
  67         test_when_finished "rm -f .git/HEAD.lock" &&
  68         >.git/HEAD.lock &&
  69         test_must_fail git symbolic-ref HEAD refs/heads/whatever
  70 '
  71
  72 test_expect_success 'symbolic-ref writes reflog entry' '
  73         git checkout -b log1 &&
  74         test_commit one &&
  75         git checkout -b log2  &&
  76         test_commit two &&
  77         git checkout --orphan orphan &&
  78         git symbolic-ref -m create HEAD refs/heads/log1 &&
  79         git symbolic-ref -m update HEAD refs/heads/log2 &&
  80         cat >expect <<-\EOF &&
  81         update
  82         create
  83         EOF
  84         git log --format=%gs -g >actual &&
  85         test_cmp expect actual
  86 '
  87
  88 test_done