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=master
   6 export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
   7
   8 . ./test-lib.sh
   9
  10 test_expect_success 'setup' '
  11         echo hello >world &&
  12         git add world &&
  13         git commit -m initial &&
  14         git branch other &&
  15         echo "hello again" >>world &&
  16         git add world &&
  17         git commit -m second
  18 '
  19
  20 test_expect_success '"checkout -" does not work initially' '
  21         test_must_fail git checkout -
  22 '
  23
  24 test_expect_success 'first branch switch' '
  25         git checkout other
  26 '
  27
  28 test_expect_success '"checkout -" switches back' '
  29         git checkout - &&
  30         test "z$(git symbolic-ref HEAD)" = "zrefs/heads/master"
  31 '
  32
  33 test_expect_success '"checkout -" switches forth' '
  34         git checkout - &&
  35         test "z$(git symbolic-ref HEAD)" = "zrefs/heads/other"
  36 '
  37
  38 test_expect_success 'detach HEAD' '
  39         git checkout $(git rev-parse HEAD)
  40 '
  41
  42 test_expect_success '"checkout -" attaches again' '
  43         git checkout - &&
  44         test "z$(git symbolic-ref HEAD)" = "zrefs/heads/other"
  45 '
  46
  47 test_expect_success '"checkout -" detaches again' '
  48         git checkout - &&
  49         test "z$(git rev-parse HEAD)" = "z$(git rev-parse other)" &&
  50         test_must_fail git symbolic-ref HEAD
  51 '
  52
  53 test_expect_success 'more switches' '
  54         for i in 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
  55         do
  56                 git checkout -b branch$i
  57         done
  58 '
  59
  60 more_switches () {
  61         for i in 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
  62         do
  63                 git checkout branch$i
  64         done
  65 }
  66
  67 test_expect_success 'switch to the last' '
  68         more_switches &&
  69         git checkout @{-1} &&
  70         test "z$(git symbolic-ref HEAD)" = "zrefs/heads/branch2"
  71 '
  72
  73 test_expect_success 'switch to second from the last' '
  74         more_switches &&
  75         git checkout @{-2} &&
  76         test "z$(git symbolic-ref HEAD)" = "zrefs/heads/branch3"
  77 '
  78
  79 test_expect_success 'switch to third from the last' '
  80         more_switches &&
  81         git checkout @{-3} &&
  82         test "z$(git symbolic-ref HEAD)" = "zrefs/heads/branch4"
  83 '
  84
  85 test_expect_success 'switch to fourth from the last' '
  86         more_switches &&
  87         git checkout @{-4} &&
  88         test "z$(git symbolic-ref HEAD)" = "zrefs/heads/branch5"
  89 '
  90
  91 test_expect_success 'switch to twelfth from the last' '
  92         more_switches &&
  93         git checkout @{-12} &&
  94         test "z$(git symbolic-ref HEAD)" = "zrefs/heads/branch13"
  95 '
  96
  97 test_expect_success 'merge base test setup' '
  98         git checkout -b another other &&
  99         echo "hello again" >>world &&
 100         git add world &&
 101         git commit -m third
 102 '
 103
 104 test_expect_success 'another...master' '
 105         git checkout another &&
 106         git checkout another...master &&
 107         test "z$(git rev-parse --verify HEAD)" = "z$(git rev-parse --verify master^)"
 108 '
 109
 110 test_expect_success '...master' '
 111         git checkout another &&
 112         git checkout ...master &&
 113         test "z$(git rev-parse --verify HEAD)" = "z$(git rev-parse --verify master^)"
 114 '
 115
 116 test_expect_success 'master...' '
 117         git checkout another &&
 118         git checkout master... &&
 119         test "z$(git rev-parse --verify HEAD)" = "z$(git rev-parse --verify master^)"
 120 '
 121
 122 test_expect_success '"checkout -" works after a rebase A' '
 123         git checkout master &&
 124         git checkout other &&
 125         git rebase master &&
 126         git checkout - &&
 127         test "z$(git symbolic-ref HEAD)" = "zrefs/heads/master"
 128 '
 129
 130 test_expect_success '"checkout -" works after a rebase A B' '
 131         git branch moodle master~1 &&
 132         git checkout master &&
 133         git checkout other &&
 134         git rebase master moodle &&
 135         git checkout - &&
 136         test "z$(git symbolic-ref HEAD)" = "zrefs/heads/master"
 137 '
 138
 139 test_expect_success '"checkout -" works after a rebase -i A' '
 140         git checkout master &&
 141         git checkout other &&
 142         git rebase -i master &&
 143         git checkout - &&
 144         test "z$(git symbolic-ref HEAD)" = "zrefs/heads/master"
 145 '
 146
 147 test_expect_success '"checkout -" works after a rebase -i A B' '
 148         git branch foodle master~1 &&
 149         git checkout master &&
 150         git checkout other &&
 151         git rebase master foodle &&
 152         git checkout - &&
 153         test "z$(git symbolic-ref HEAD)" = "zrefs/heads/master"
 154 '
 155
 156 test_done