t/t1508-at-combinations.sh

   1 #!/bin/sh
   2
   3 test_description='test various @{X} syntax combinations together'
   4 GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
   5 export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
   6
   7 . ./test-lib.sh
   8
   9 check() {
  10         test_expect_${4:-success} "$1 = $3" "
  11                 echo '$3' >expect &&
  12                 if test '$2' = 'commit'
  13                 then
  14                         git log -1 --format=%s '$1' >actual
  15                 elif test '$2' = 'ref'
  16                 then
  17                         git rev-parse --symbolic-full-name '$1' >actual
  18                 else
  19                         git cat-file -p '$1' >actual
  20                 fi &&
  21                 test_cmp expect actual
  22         "
  23 }
  24
  25 nonsense() {
  26         test_expect_${2:-success} "$1 is nonsensical" "
  27                 test_must_fail git rev-parse --verify '$1'
  28         "
  29 }
  30
  31 fail() {
  32         "$@" failure
  33 }
  34
  35 test_expect_success 'setup' '
  36         test_commit main-one &&
  37         test_commit main-two &&
  38         git checkout -b upstream-branch &&
  39         test_commit upstream-one &&
  40         test_commit upstream-two &&
  41         if test_have_prereq !MINGW
  42         then
  43                 git checkout -b @/at-test
  44         fi &&
  45         git checkout -b @@/at-test &&
  46         git checkout -b @at-test &&
  47         git checkout -b old-branch &&
  48         test_commit old-one &&
  49         test_commit old-two &&
  50         git checkout -b new-branch &&
  51         test_commit new-one &&
  52         test_commit new-two &&
  53         git branch -u main old-branch &&
  54         git branch -u upstream-branch new-branch
  55 '
  56
  57 check HEAD ref refs/heads/new-branch
  58 check "@{1}" commit new-one
  59 check "HEAD@{1}" commit new-one
  60 check "@{now}" commit new-two
  61 check "HEAD@{now}" commit new-two
  62 check "@{-1}" ref refs/heads/old-branch
  63 check "@{-1}@{0}" commit old-two
  64 check "@{-1}@{1}" commit old-one
  65 check "@{u}" ref refs/heads/upstream-branch
  66 check "HEAD@{u}" ref refs/heads/upstream-branch
  67 check "@{u}@{1}" commit upstream-one
  68 check "@{-1}@{u}" ref refs/heads/main
  69 check "@{-1}@{u}@{1}" commit main-one
  70 check "@" commit new-two
  71 check "@@{u}" ref refs/heads/upstream-branch
  72 check "@@/at-test" ref refs/heads/@@/at-test
  73 test_have_prereq MINGW ||
  74 check "@/at-test" ref refs/heads/@/at-test
  75 check "@at-test" ref refs/heads/@at-test
  76 nonsense "@{u}@{-1}"
  77 nonsense "@{0}@{0}"
  78 nonsense "@{1}@{u}"
  79 nonsense "HEAD@{-1}"
  80 nonsense "@{-1}@{-1}"
  81
  82 # @{N} versus HEAD@{N}
  83
  84 check "HEAD@{3}" commit old-two
  85 nonsense "@{3}"
  86
  87 test_expect_success 'switch to old-branch' '
  88         git checkout old-branch
  89 '
  90
  91 check HEAD ref refs/heads/old-branch
  92 check "HEAD@{1}" commit new-two
  93 check "@{1}" commit old-one
  94
  95 test_expect_success 'create path with @' '
  96         echo content >normal &&
  97         echo content >fun@ny &&
  98         git add normal fun@ny &&
  99         git commit -m "funny path"
 100 '
 101
 102 check "@:normal" blob content
 103 check "@:fun@ny" blob content
 104
 105 test_expect_success '@{1} works with only one reflog entry' '
 106         git checkout -B newbranch main &&
 107         git reflog expire --expire=now refs/heads/newbranch &&
 108         git commit --allow-empty -m "first after expiration" &&
 109         test_cmp_rev newbranch~ newbranch@{1}
 110 '
 111
 112 test_expect_success '@{0} works with empty reflog' '
 113         git checkout -B newbranch main &&
 114         git reflog expire --expire=now refs/heads/newbranch &&
 115         test_cmp_rev newbranch newbranch@{0}
 116 '
 117
 118 test_done