Andrew's git - gitweb.git/blob - t/t1401-symbolic-ref.sh

   1#!/bin/sh
   2
   3test_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.
   9reset_to_sane() {
  10        echo ref: refs/heads/foo >.git/HEAD
  11}
  12
  13test_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
  19test_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
  25test_expect_success 'symbolic-ref refuses non-ref for HEAD' '
  26        test_must_fail git symbolic-ref HEAD foo
  27'
  28reset_to_sane
  29
  30test_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 $(git rev-parse HEAD)
  33'
  34reset_to_sane
  35
  36test_expect_success 'symbolic-ref deletes HEAD' '
  37        git symbolic-ref -d HEAD &&
  38        test_path_is_file .git/refs/heads/foo &&
  39        test_path_is_missing .git/HEAD
  40'
  41reset_to_sane
  42
  43test_expect_success 'symbolic-ref deletes dangling HEAD' '
  44        git symbolic-ref HEAD refs/heads/missing &&
  45        git symbolic-ref -d HEAD &&
  46        test_path_is_missing .git/refs/heads/missing &&
  47        test_path_is_missing .git/HEAD
  48'
  49reset_to_sane
  50
  51test_expect_success 'symbolic-ref fails to delete missing FOO' '
  52        echo "fatal: Cannot delete FOO, not a symbolic ref" >expect &&
  53        test_must_fail git symbolic-ref -d FOO >actual 2>&1 &&
  54        test_cmp expect actual
  55'
  56reset_to_sane
  57
  58test_expect_success 'symbolic-ref fails to delete real ref' '
  59        echo "fatal: Cannot delete refs/heads/foo, not a symbolic ref" >expect &&
  60        test_must_fail git symbolic-ref -d refs/heads/foo >actual 2>&1 &&
  61        test_path_is_file .git/refs/heads/foo &&
  62        test_cmp expect actual
  63'
  64reset_to_sane
  65
  66test_expect_success 'create large ref name' '
  67        # make 256+ character ref; some systems may not handle that,
  68        # so be gentle
  69        long=0123456789abcdef &&
  70        long=$long/$long/$long/$long &&
  71        long=$long/$long/$long/$long &&
  72        long_ref=refs/heads/$long &&
  73        tree=$(git write-tree) &&
  74        commit=$(echo foo | git commit-tree $tree) &&
  75        if git update-ref $long_ref $commit; then
  76                test_set_prereq LONG_REF
  77        else
  78                echo >&2 "long refs not supported"
  79        fi
  80'
  81
  82test_expect_success LONG_REF 'symbolic-ref can point to large ref name' '
  83        git symbolic-ref HEAD $long_ref &&
  84        echo $long_ref >expect &&
  85        git symbolic-ref HEAD >actual &&
  86        test_cmp expect actual
  87'
  88
  89test_expect_success LONG_REF 'we can parse long symbolic ref' '
  90        echo $commit >expect &&
  91        git rev-parse --verify HEAD >actual &&
  92        test_cmp expect actual
  93'
  94
  95test_expect_success 'symbolic-ref reports failure in exit code' '
  96        test_when_finished "rm -f .git/HEAD.lock" &&
  97        >.git/HEAD.lock &&
  98        test_must_fail git symbolic-ref HEAD refs/heads/whatever
  99'
 100
 101test_expect_success 'symbolic-ref writes reflog entry' '
 102        git checkout -b log1 &&
 103        test_commit one &&
 104        git checkout -b log2  &&
 105        test_commit two &&
 106        git checkout --orphan orphan &&
 107        git symbolic-ref -m create HEAD refs/heads/log1 &&
 108        git symbolic-ref -m update HEAD refs/heads/log2 &&
 109        cat >expect <<-\EOF &&
 110        update
 111        create
 112        EOF
 113        git log --format=%gs -g -2 >actual &&
 114        test_cmp expect actual
 115'
 116
 117test_expect_success 'symbolic-ref does not create ref d/f conflicts' '
 118        git checkout -b df &&
 119        test_commit df &&
 120        test_must_fail git symbolic-ref refs/heads/df/conflict refs/heads/df &&
 121        git pack-refs --all --prune &&
 122        test_must_fail git symbolic-ref refs/heads/df/conflict refs/heads/df
 123'
 124
 125test_expect_success 'symbolic-ref handles existing pointer to invalid name' '
 126        head=$(git rev-parse HEAD) &&
 127        git symbolic-ref HEAD refs/heads/outer &&
 128        git update-ref refs/heads/outer/inner $head &&
 129        git symbolic-ref HEAD refs/heads/unrelated
 130'
 131
 132test_done