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_cmp_symbolic_HEAD_ref () {
  25         echo refs/heads/"$1" >expect &&
  26         git symbolic-ref HEAD >actual &&
  27         test_cmp expect actual
  28 }
  29
  30 test_expect_success '"checkout -" switches back' '
  31         git checkout - &&
  32         test_cmp_symbolic_HEAD_ref main
  33 '
  34
  35 test_expect_success '"checkout -" switches forth' '
  36         git checkout - &&
  37         test_cmp_symbolic_HEAD_ref other
  38 '
  39
  40 test_expect_success 'detach HEAD' '
  41         git checkout $(git rev-parse HEAD)
  42 '
  43
  44 test_expect_success '"checkout -" attaches again' '
  45         git checkout - &&
  46         test_cmp_symbolic_HEAD_ref other
  47 '
  48
  49 test_expect_success '"checkout -" detaches again' '
  50         git checkout - &&
  51
  52         git rev-parse other >expect &&
  53         git rev-parse HEAD >actual &&
  54         test_cmp expect actual &&
  55
  56         test_must_fail git symbolic-ref HEAD
  57 '
  58
  59 test_expect_success 'more switches' '
  60         for i in 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
  61         do
  62                 git checkout -b branch$i || return 1
  63         done
  64 '
  65
  66 more_switches () {
  67         for i in 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1
  68         do
  69                 git checkout branch$i || return 1
  70         done
  71 }
  72
  73 test_expect_success 'switch to the last' '
  74         more_switches &&
  75         git checkout @{-1} &&
  76         test_cmp_symbolic_HEAD_ref branch2
  77 '
  78
  79 test_expect_success 'switch to second from the last' '
  80         more_switches &&
  81         git checkout @{-2} &&
  82         test_cmp_symbolic_HEAD_ref branch3
  83 '
  84
  85 test_expect_success 'switch to third from the last' '
  86         more_switches &&
  87         git checkout @{-3} &&
  88         test_cmp_symbolic_HEAD_ref branch4
  89 '
  90
  91 test_expect_success 'switch to fourth from the last' '
  92         more_switches &&
  93         git checkout @{-4} &&
  94         test_cmp_symbolic_HEAD_ref branch5
  95 '
  96
  97 test_expect_success 'switch to twelfth from the last' '
  98         more_switches &&
  99         git checkout @{-12} &&
 100         test_cmp_symbolic_HEAD_ref branch13
 101 '
 102
 103 test_expect_success 'merge base test setup' '
 104         git checkout -b another other &&
 105         test_commit --append third world "hello again"
 106 '
 107
 108 test_expect_success 'another...main' '
 109         git checkout another &&
 110         git checkout another...main &&
 111
 112         git rev-parse --verify main^ >expect &&
 113         git rev-parse --verify HEAD >actual &&
 114         test_cmp expect actual
 115 '
 116
 117 test_expect_success '...main' '
 118         git checkout another &&
 119         git checkout ...main &&
 120
 121         git rev-parse --verify main^ >expect &&
 122         git rev-parse --verify HEAD >actual &&
 123         test_cmp expect actual
 124 '
 125
 126 test_expect_success 'main...' '
 127         git checkout another &&
 128         git checkout main... &&
 129
 130         git rev-parse --verify main^ >expect &&
 131         git rev-parse --verify HEAD >actual &&
 132         test_cmp expect actual
 133 '
 134
 135 test_expect_success '"checkout -" works after a rebase A' '
 136         git checkout main &&
 137         git checkout other &&
 138         git rebase main &&
 139         git checkout - &&
 140         test_cmp_symbolic_HEAD_ref main
 141 '
 142
 143 test_expect_success '"checkout -" works after a rebase A B' '
 144         git branch moodle main~1 &&
 145         git checkout main &&
 146         git checkout other &&
 147         git rebase main moodle &&
 148         git checkout - &&
 149         test_cmp_symbolic_HEAD_ref main
 150 '
 151
 152 test_expect_success '"checkout -" works after a rebase -i A' '
 153         git checkout main &&
 154         git checkout other &&
 155         git rebase -i main &&
 156         git checkout - &&
 157         test_cmp_symbolic_HEAD_ref main
 158 '
 159
 160 test_expect_success '"checkout -" works after a rebase -i A B' '
 161         git branch foodle main~1 &&
 162         git checkout main &&
 163         git checkout other &&
 164         git rebase main foodle &&
 165         git checkout - &&
 166         test_cmp_symbolic_HEAD_ref main
 167 '
 168
 169 test_done