t/t3308-notes-merge.sh

   1 #!/bin/sh
   2 #
   3 # Copyright (c) 2010 Johan Herland
   4 #
   5
   6 test_description='Test merging of notes trees'
   7
   8 . ./test-lib.sh
   9
  10 test_expect_success setup '
  11         test_commit 1st &&
  12         test_commit 2nd &&
  13         test_commit 3rd &&
  14         test_commit 4th &&
  15         test_commit 5th &&
  16         # Create notes on 4 first commits
  17         git config core.notesRef refs/notes/x &&
  18         git notes add -m "Notes on 1st commit" 1st &&
  19         git notes add -m "Notes on 2nd commit" 2nd &&
  20         git notes add -m "Notes on 3rd commit" 3rd &&
  21         git notes add -m "Notes on 4th commit" 4th
  22 '
  23
  24 commit_sha1=$(git rev-parse 1st^{commit})
  25 commit_sha2=$(git rev-parse 2nd^{commit})
  26 commit_sha3=$(git rev-parse 3rd^{commit})
  27 commit_sha4=$(git rev-parse 4th^{commit})
  28 commit_sha5=$(git rev-parse 5th^{commit})
  29
  30 verify_notes () {
  31         notes_ref="$1"
  32         git -c core.notesRef="refs/notes/$notes_ref" notes |
  33                 sort >"output_notes_$notes_ref" &&
  34         test_cmp "expect_notes_$notes_ref" "output_notes_$notes_ref" &&
  35         git -c core.notesRef="refs/notes/$notes_ref" log --format="%H %s%n%N" \
  36                 >"output_log_$notes_ref" &&
  37         test_cmp "expect_log_$notes_ref" "output_log_$notes_ref"
  38 }
  39
  40 cat <<EOF | sort >expect_notes_x
  41 5e93d24084d32e1cb61f7070505b9d2530cca987 $commit_sha4
  42 8366731eeee53787d2bdf8fc1eff7d94757e8da0 $commit_sha3
  43 eede89064cd42441590d6afec6c37b321ada3389 $commit_sha2
  44 daa55ffad6cb99bf64226532147ffcaf5ce8bdd1 $commit_sha1
  45 EOF
  46
  47 cat >expect_log_x <<EOF
  48 $commit_sha5 5th
  49
  50 $commit_sha4 4th
  51 Notes on 4th commit
  52
  53 $commit_sha3 3rd
  54 Notes on 3rd commit
  55
  56 $commit_sha2 2nd
  57 Notes on 2nd commit
  58
  59 $commit_sha1 1st
  60 Notes on 1st commit
  61
  62 EOF
  63
  64 test_expect_success 'verify initial notes (x)' '
  65         verify_notes x
  66 '
  67
  68 cp expect_notes_x expect_notes_y
  69 cp expect_log_x expect_log_y
  70
  71 test_expect_success 'fail to merge empty notes ref into empty notes ref (z => y)' '
  72         test_must_fail git -c "core.notesRef=refs/notes/y" notes merge z
  73 '
  74
  75 test_expect_success 'fail to merge into various non-notes refs' '
  76         test_must_fail git -c "core.notesRef=refs/notes" notes merge x &&
  77         test_must_fail git -c "core.notesRef=refs/notes/" notes merge x &&
  78         mkdir -p .git/refs/notes/dir &&
  79         test_must_fail git -c "core.notesRef=refs/notes/dir" notes merge x &&
  80         test_must_fail git -c "core.notesRef=refs/notes/dir/" notes merge x &&
  81         test_must_fail git -c "core.notesRef=refs/heads/master" notes merge x &&
  82         test_must_fail git -c "core.notesRef=refs/notes/y:" notes merge x &&
  83         test_must_fail git -c "core.notesRef=refs/notes/y:foo" notes merge x &&
  84         test_must_fail git -c "core.notesRef=refs/notes/foo^{bar" notes merge x
  85 '
  86
  87 test_expect_success 'fail to merge various non-note-trees' '
  88         git config core.notesRef refs/notes/y &&
  89         test_must_fail git notes merge refs/notes &&
  90         test_must_fail git notes merge refs/notes/ &&
  91         test_must_fail git notes merge refs/notes/dir &&
  92         test_must_fail git notes merge refs/notes/dir/ &&
  93         test_must_fail git notes merge refs/heads/master &&
  94         test_must_fail git notes merge x: &&
  95         test_must_fail git notes merge x:foo &&
  96         test_must_fail git notes merge foo^{bar
  97 '
  98
  99 test_expect_success 'merge notes into empty notes ref (x => y)' '
 100         git config core.notesRef refs/notes/y &&
 101         git notes merge x &&
 102         verify_notes y &&
 103         # x and y should point to the same notes commit
 104         test "$(git rev-parse refs/notes/x)" = "$(git rev-parse refs/notes/y)"
 105 '
 106
 107 test_expect_success 'merge empty notes ref (z => y)' '
 108         git notes merge z &&
 109         # y should not change (still == x)
 110         test "$(git rev-parse refs/notes/x)" = "$(git rev-parse refs/notes/y)"
 111 '
 112
 113 test_expect_success 'change notes on other notes ref (y)' '
 114         # Not touching notes to 1st commit
 115         git notes remove 2nd &&
 116         git notes append -m "More notes on 3rd commit" 3rd &&
 117         git notes add -f -m "New notes on 4th commit" 4th &&
 118         git notes add -m "Notes on 5th commit" 5th
 119 '
 120
 121 test_expect_success 'merge previous notes commit (y^ => y) => No-op' '
 122         pre_state="$(git rev-parse refs/notes/y)" &&
 123         git notes merge y^ &&
 124         # y should not move
 125         test "$pre_state" = "$(git rev-parse refs/notes/y)"
 126 '
 127
 128 cat <<EOF | sort >expect_notes_y
 129 0f2efbd00262f2fd41dfae33df8765618eeacd99 $commit_sha5
 130 dec2502dac3ea161543f71930044deff93fa945c $commit_sha4
 131 4069cdb399fd45463ec6eef8e051a16a03592d91 $commit_sha3
 132 daa55ffad6cb99bf64226532147ffcaf5ce8bdd1 $commit_sha1
 133 EOF
 134
 135 cat >expect_log_y <<EOF
 136 $commit_sha5 5th
 137 Notes on 5th commit
 138
 139 $commit_sha4 4th
 140 New notes on 4th commit
 141
 142 $commit_sha3 3rd
 143 Notes on 3rd commit
 144
 145 More notes on 3rd commit
 146
 147 $commit_sha2 2nd
 148
 149 $commit_sha1 1st
 150 Notes on 1st commit
 151
 152 EOF
 153
 154 test_expect_success 'verify changed notes on other notes ref (y)' '
 155         verify_notes y
 156 '
 157
 158 test_expect_success 'verify unchanged notes on original notes ref (x)' '
 159         verify_notes x
 160 '
 161
 162 test_expect_success 'merge original notes (x) into changed notes (y) => No-op' '
 163         git notes merge -vvv x &&
 164         verify_notes y &&
 165         verify_notes x
 166 '
 167
 168 cp expect_notes_y expect_notes_x
 169 cp expect_log_y expect_log_x
 170
 171 test_expect_success 'merge changed (y) into original (x) => Fast-forward' '
 172         git config core.notesRef refs/notes/x &&
 173         git notes merge y &&
 174         verify_notes x &&
 175         verify_notes y &&
 176         # x and y should point to same the notes commit
 177         test "$(git rev-parse refs/notes/x)" = "$(git rev-parse refs/notes/y)"
 178 '
 179
 180 test_done