t/t2012-checkout-last.sh

   1 #!/bin/sh
   2
   3 test_description='checkout can switch to last branch and merge base'
   4
   5 GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
   6 export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
   7
   8 . ./test-lib.sh
   9
  10 test_expect_success 'setup' '
  11         test_commit initial world hello &&
  12         git branch other &&
  13         test_commit --append second world "hello again"
  14 '
  15
  16 test_expect_success '"checkout -" does not work initially' '
  17         test_must_fail git checkout -
  18 '
  19
  20 test_expect_success 'first branch switch' '
  21         git checkout other
  22 '
  23
  24 test_expect_success '"checkout -" switches back' '
  25         git checkout - &&
  26         test "z$(git symbolic-ref HEAD)" = "zrefs/heads/main"
  27 '
  28
  29 test_expect_success '"checkout -" switches forth' '
  30         git checkout - &&
  31         test "z$(git symbolic-ref HEAD)" = "zrefs/heads/other"
  32 '
  33
  34 test_expect_success 'detach HEAD' '
  35         git checkout $(git rev-parse HEAD)
  36 '
  37
  38 test_expect_success '"checkout -" attaches again' '
  39         git checkout - &&
  40         test "z$(git symbolic-ref HEAD)" = "zrefs/heads/other"
  41 '
  42
  43 test_expect_success '"checkout -" detaches again' '
  44         git checkout - &&
  45         test "z$(git rev-parse HEAD)" = "z$(git rev-parse other)" &&
  46         test_must_fail git symbolic-ref HEAD
  47 '
  48
  49 test_expect_success 'more switches' '
  50         for i in 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
  51         do
  52                 git checkout -b branch$i
  53         done
  54 '
  55
  56 more_switches () {
  57         for i in 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
  58         do
  59                 git checkout branch$i
  60         done
  61 }
  62
  63 test_expect_success 'switch to the last' '
  64         more_switches &&
  65         git checkout @{-1} &&
  66         test "z$(git symbolic-ref HEAD)" = "zrefs/heads/branch2"
  67 '
  68
  69 test_expect_success 'switch to second from the last' '
  70         more_switches &&
  71         git checkout @{-2} &&
  72         test "z$(git symbolic-ref HEAD)" = "zrefs/heads/branch3"
  73 '
  74
  75 test_expect_success 'switch to third from the last' '
  76         more_switches &&
  77         git checkout @{-3} &&
  78         test "z$(git symbolic-ref HEAD)" = "zrefs/heads/branch4"
  79 '
  80
  81 test_expect_success 'switch to fourth from the last' '
  82         more_switches &&
  83         git checkout @{-4} &&
  84         test "z$(git symbolic-ref HEAD)" = "zrefs/heads/branch5"
  85 '
  86
  87 test_expect_success 'switch to twelfth from the last' '
  88         more_switches &&
  89         git checkout @{-12} &&
  90         test "z$(git symbolic-ref HEAD)" = "zrefs/heads/branch13"
  91 '
  92
  93 test_expect_success 'merge base test setup' '
  94         git checkout -b another other &&
  95         test_commit --append third world "hello again"
  96 '
  97
  98 test_expect_success 'another...main' '
  99         git checkout another &&
 100         git checkout another...main &&
 101         test "z$(git rev-parse --verify HEAD)" = "z$(git rev-parse --verify main^)"
 102 '
 103
 104 test_expect_success '...main' '
 105         git checkout another &&
 106         git checkout ...main &&
 107         test "z$(git rev-parse --verify HEAD)" = "z$(git rev-parse --verify main^)"
 108 '
 109
 110 test_expect_success 'main...' '
 111         git checkout another &&
 112         git checkout main... &&
 113         test "z$(git rev-parse --verify HEAD)" = "z$(git rev-parse --verify main^)"
 114 '
 115
 116 test_expect_success '"checkout -" works after a rebase A' '
 117         git checkout main &&
 118         git checkout other &&
 119         git rebase main &&
 120         git checkout - &&
 121         test "z$(git symbolic-ref HEAD)" = "zrefs/heads/main"
 122 '
 123
 124 test_expect_success '"checkout -" works after a rebase A B' '
 125         git branch moodle main~1 &&
 126         git checkout main &&
 127         git checkout other &&
 128         git rebase main moodle &&
 129         git checkout - &&
 130         test "z$(git symbolic-ref HEAD)" = "zrefs/heads/main"
 131 '
 132
 133 test_expect_success '"checkout -" works after a rebase -i A' '
 134         git checkout main &&
 135         git checkout other &&
 136         git rebase -i main &&
 137         git checkout - &&
 138         test "z$(git symbolic-ref HEAD)" = "zrefs/heads/main"
 139 '
 140
 141 test_expect_success '"checkout -" works after a rebase -i A B' '
 142         git branch foodle main~1 &&
 143         git checkout main &&
 144         git checkout other &&
 145         git rebase main foodle &&
 146         git checkout - &&
 147         test "z$(git symbolic-ref HEAD)" = "zrefs/heads/main"
 148 '
 149
 150 test_done