t/t6101-rev-parse-parents.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2005 Johannes Schindelin
   4 #
   5
   6 test_description='Test git rev-parse with different parent options'
   7
   8 GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME=main
   9 export GIT_TEST_DEFAULT_INITIAL_BRANCH_NAME
  10
  11 . ./test-lib.sh
  12
  13 test_cmp_rev_output () {
  14         git rev-parse --verify "$1" >expect &&
  15         eval "$2" >actual &&
  16         test_cmp expect actual
  17 }
  18
  19 test_expect_success 'setup' '
  20         test_commit start &&
  21         test_commit second &&
  22         git checkout --orphan tmp &&
  23         test_commit start2 &&
  24         git checkout main &&
  25         git merge -m next --allow-unrelated-histories start2 &&
  26         test_commit final &&
  27
  28         test_seq 40 |
  29         while read i
  30         do
  31                 git checkout --orphan "b$i" &&
  32                 test_tick &&
  33                 git commit --allow-empty -m "$i" &&
  34                 commit=$(git rev-parse --verify HEAD) &&
  35                 printf "$commit " >>.git/info/grafts
  36         done
  37 '
  38
  39 test_expect_success 'start is valid' '
  40         git rev-parse start | grep "^$OID_REGEX$"
  41 '
  42
  43 test_expect_success 'start^0' '
  44         test_cmp_rev_output tags/start "git rev-parse start^0"
  45 '
  46
  47 test_expect_success 'start^1 not valid' '
  48         test_must_fail git rev-parse --verify start^1
  49 '
  50
  51 test_expect_success 'second^1 = second^' '
  52         test_cmp_rev_output second^ "git rev-parse second^1"
  53 '
  54
  55 test_expect_success 'final^1^1^1' '
  56         test_cmp_rev_output start "git rev-parse final^1^1^1"
  57 '
  58
  59 test_expect_success 'final^1^1^1 = final^^^' '
  60         test_cmp_rev_output final^^^ "git rev-parse final^1^1^1"
  61 '
  62
  63 test_expect_success 'final^1^2' '
  64         test_cmp_rev_output start2 "git rev-parse final^1^2"
  65 '
  66
  67 test_expect_success 'final^1^2 != final^1^1' '
  68         test $(git rev-parse final^1^2) != $(git rev-parse final^1^1)
  69 '
  70
  71 test_expect_success 'final^1^3 not valid' '
  72         test_must_fail git rev-parse --verify final^1^3
  73 '
  74
  75 test_expect_success '--verify start2^1' '
  76         test_must_fail git rev-parse --verify start2^1
  77 '
  78
  79 test_expect_success '--verify start2^0' '
  80         git rev-parse --verify start2^0
  81 '
  82
  83 test_expect_success 'final^1^@ = final^1^1 final^1^2' '
  84         git rev-parse final^1^1 final^1^2 >expect &&
  85         git rev-parse final^1^@ >actual &&
  86         test_cmp expect actual
  87 '
  88
  89 test_expect_success 'symbolic final^1^@ = final^1^1 final^1^2' '
  90         git rev-parse --symbolic final^1^1 final^1^2 >expect &&
  91         git rev-parse --symbolic final^1^@ >actual &&
  92         test_cmp expect actual
  93 '
  94
  95 test_expect_success 'final^1^! = final^1 ^final^1^1 ^final^1^2' '
  96         git rev-parse final^1 ^final^1^1 ^final^1^2 >expect &&
  97         git rev-parse final^1^! >actual &&
  98         test_cmp expect actual
  99 '
 100
 101 test_expect_success 'symbolic final^1^! = final^1 ^final^1^1 ^final^1^2' '
 102         git rev-parse --symbolic final^1 ^final^1^1 ^final^1^2 >expect &&
 103         git rev-parse --symbolic final^1^! >actual &&
 104         test_cmp expect actual
 105 '
 106
 107 test_expect_success 'large graft octopus' '
 108         test_cmp_rev_output b31 "git rev-parse --verify b1^30"
 109 '
 110
 111 test_expect_success 'repack for next test' '
 112         git repack -a -d
 113 '
 114
 115 test_expect_success 'short SHA-1 works' '
 116         start=$(git rev-parse --verify start) &&
 117         test_cmp_rev_output start "git rev-parse ${start%?}"
 118 '
 119
 120 # rev^- tests; we can use a simpler setup for these
 121
 122 test_expect_success 'setup for rev^- tests' '
 123         test_commit one &&
 124         test_commit two &&
 125         test_commit three &&
 126
 127         # Merge in a branch for testing rev^-
 128         git checkout -b branch &&
 129         git checkout HEAD^^ &&
 130         git merge -m merge --no-edit --no-ff branch &&
 131         git checkout -b merge
 132 '
 133
 134 # The merged branch has 2 commits + the merge
 135 test_expect_success 'rev-list --count merge^- = merge^..merge' '
 136         git rev-list --count merge^..merge >expect &&
 137         echo 3 >actual &&
 138         test_cmp expect actual
 139 '
 140
 141 # All rev^- rev-parse tests
 142
 143 test_expect_success 'rev-parse merge^- = merge^..merge' '
 144         git rev-parse merge^..merge >expect &&
 145         git rev-parse merge^- >actual &&
 146         test_cmp expect actual
 147 '
 148
 149 test_expect_success 'rev-parse merge^-1 = merge^..merge' '
 150         git rev-parse merge^1..merge >expect &&
 151         git rev-parse merge^-1 >actual &&
 152         test_cmp expect actual
 153 '
 154
 155 test_expect_success 'rev-parse merge^-2 = merge^2..merge' '
 156         git rev-parse merge^2..merge >expect &&
 157         git rev-parse merge^-2 >actual &&
 158         test_cmp expect actual
 159 '
 160
 161 test_expect_success 'symbolic merge^-1 = merge^1..merge' '
 162         git rev-parse --symbolic merge^1..merge >expect &&
 163         git rev-parse --symbolic merge^-1 >actual &&
 164         test_cmp expect actual
 165 '
 166
 167 test_expect_success 'rev-parse merge^-0 (invalid parent)' '
 168         test_must_fail git rev-parse merge^-0
 169 '
 170
 171 test_expect_success 'rev-parse merge^-3 (invalid parent)' '
 172         test_must_fail git rev-parse merge^-3
 173 '
 174
 175 test_expect_success 'rev-parse merge^-^ (garbage after ^-)' '
 176         test_must_fail git rev-parse merge^-^
 177 '
 178
 179 test_expect_success 'rev-parse merge^-1x (garbage after ^-1)' '
 180         test_must_fail git rev-parse merge^-1x
 181 '
 182
 183 # All rev^- rev-list tests (should be mostly the same as rev-parse; the reason
 184 # for the duplication is that rev-parse and rev-list use different parsers).
 185
 186 test_expect_success 'rev-list merge^- = merge^..merge' '
 187         git rev-list merge^..merge >expect &&
 188         git rev-list merge^- >actual &&
 189         test_cmp expect actual
 190 '
 191
 192 test_expect_success 'rev-list merge^-1 = merge^1..merge' '
 193         git rev-list merge^1..merge >expect &&
 194         git rev-list merge^-1 >actual &&
 195         test_cmp expect actual
 196 '
 197
 198 test_expect_success 'rev-list merge^-2 = merge^2..merge' '
 199         git rev-list merge^2..merge >expect &&
 200         git rev-list merge^-2 >actual &&
 201         test_cmp expect actual
 202 '
 203
 204 test_expect_success 'rev-list merge^-0 (invalid parent)' '
 205         test_must_fail git rev-list merge^-0
 206 '
 207
 208 test_expect_success 'rev-list merge^-3 (invalid parent)' '
 209         test_must_fail git rev-list merge^-3
 210 '
 211
 212 test_expect_success 'rev-list merge^-^ (garbage after ^-)' '
 213         test_must_fail git rev-list merge^-^
 214 '
 215
 216 test_expect_success 'rev-list merge^-1x (garbage after ^-1)' '
 217         test_must_fail git rev-list merge^-1x
 218 '
 219
 220 test_expect_success 'rev-parse $garbage^@ does not segfault' '
 221         test_must_fail git rev-parse $EMPTY_TREE^@
 222 '
 223
 224 test_expect_success 'rev-parse $garbage...$garbage does not segfault' '
 225         test_must_fail git rev-parse $EMPTY_TREE...$EMPTY_BLOB
 226 '
 227
 228 test_done