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_PASSES_SANITIZE_LEAK=true
   9 . ./test-lib.sh
  10
  11 test_expect_success 'setup' '
  12         test_commit initial world hello &&
  13         git branch other &&
  14         test_commit --append second world "hello again"
  15 '
  16
  17 test_expect_success '"checkout -" does not work initially' '
  18         test_must_fail git checkout -
  19 '
  20
  21 test_expect_success 'first branch switch' '
  22         git checkout other
  23 '
  24
  25 test_cmp_symbolic_HEAD_ref () {
  26         echo refs/heads/"$1" >expect &&
  27         git symbolic-ref HEAD >actual &&
  28         test_cmp expect actual
  29 }
  30
  31 test_expect_success '"checkout -" switches back' '
  32         git checkout - &&
  33         test_cmp_symbolic_HEAD_ref main
  34 '
  35
  36 test_expect_success '"checkout -" switches forth' '
  37         git checkout - &&
  38         test_cmp_symbolic_HEAD_ref other
  39 '
  40
  41 test_expect_success 'detach HEAD' '
  42         git checkout $(git rev-parse HEAD)
  43 '
  44
  45 test_expect_success '"checkout -" attaches again' '
  46         git checkout - &&
  47         test_cmp_symbolic_HEAD_ref other
  48 '
  49
  50 test_expect_success '"checkout -" detaches again' '
  51         git checkout - &&
  52
  53         git rev-parse other >expect &&
  54         git rev-parse HEAD >actual &&
  55         test_cmp expect actual &&
  56
  57         test_must_fail git symbolic-ref HEAD
  58 '
  59
  60 test_expect_success 'more switches' '
  61         for i in 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
  62         do
  63                 git checkout -b branch$i || return 1
  64         done
  65 '
  66
  67 more_switches () {
  68         for i in 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
  69         do
  70                 git checkout branch$i || return 1
  71         done
  72 }
  73
  74 test_expect_success 'switch to the last' '
  75         more_switches &&
  76         git checkout @{-1} &&
  77         test_cmp_symbolic_HEAD_ref branch2
  78 '
  79
  80 test_expect_success 'switch to second from the last' '
  81         more_switches &&
  82         git checkout @{-2} &&
  83         test_cmp_symbolic_HEAD_ref branch3
  84 '
  85
  86 test_expect_success 'switch to third from the last' '
  87         more_switches &&
  88         git checkout @{-3} &&
  89         test_cmp_symbolic_HEAD_ref branch4
  90 '
  91
  92 test_expect_success 'switch to fourth from the last' '
  93         more_switches &&
  94         git checkout @{-4} &&
  95         test_cmp_symbolic_HEAD_ref branch5
  96 '
  97
  98 test_expect_success 'switch to twelfth from the last' '
  99         more_switches &&
 100         git checkout @{-12} &&
 101         test_cmp_symbolic_HEAD_ref branch13
 102 '
 103
 104 test_expect_success 'merge base test setup' '
 105         git checkout -b another other &&
 106         test_commit --append third world "hello again"
 107 '
 108
 109 test_expect_success 'another...main' '
 110         git checkout another &&
 111         git checkout another...main &&
 112
 113         git rev-parse --verify main^ >expect &&
 114         git rev-parse --verify HEAD >actual &&
 115         test_cmp expect actual
 116 '
 117
 118 test_expect_success '...main' '
 119         git checkout another &&
 120         git checkout ...main &&
 121
 122         git rev-parse --verify main^ >expect &&
 123         git rev-parse --verify HEAD >actual &&
 124         test_cmp expect actual
 125 '
 126
 127 test_expect_success 'main...' '
 128         git checkout another &&
 129         git checkout main... &&
 130
 131         git rev-parse --verify main^ >expect &&
 132         git rev-parse --verify HEAD >actual &&
 133         test_cmp expect actual
 134 '
 135
 136 test_expect_success '"checkout -" works after a rebase A' '
 137         git checkout main &&
 138         git checkout other &&
 139         git rebase main &&
 140         git checkout - &&
 141         test_cmp_symbolic_HEAD_ref main
 142 '
 143
 144 test_expect_success '"checkout -" works after a rebase A B' '
 145         git branch moodle main~1 &&
 146         git checkout main &&
 147         git checkout other &&
 148         git rebase main moodle &&
 149         git checkout - &&
 150         test_cmp_symbolic_HEAD_ref main
 151 '
 152
 153 test_expect_success '"checkout -" works after a rebase -i A' '
 154         git checkout main &&
 155         git checkout other &&
 156         git rebase -i main &&
 157         git checkout - &&
 158         test_cmp_symbolic_HEAD_ref main
 159 '
 160
 161 test_expect_success '"checkout -" works after a rebase -i A B' '
 162         git branch foodle main~1 &&
 163         git checkout main &&
 164         git checkout other &&
 165         git rebase main foodle &&
 166         git checkout - &&
 167         test_cmp_symbolic_HEAD_ref main
 168 '
 169
 170 test_done