t/t0090-cache-tree.sh

   1 #!/bin/sh
   2
   3 test_description="Test whether cache-tree is properly updated
   4
   5 Tests whether various commands properly update and/or rewrite the
   6 cache-tree extension.
   7 "
   8  . ./test-lib.sh
   9
  10 cmp_cache_tree () {
  11         test-dump-cache-tree >actual &&
  12         sed "s/$_x40/SHA/" <actual >filtered &&
  13         test_cmp "$1" filtered
  14 }
  15
  16 # We don't bother with actually checking the SHA1:
  17 # test-dump-cache-tree already verifies that all existing data is
  18 # correct.
  19 test_shallow_cache_tree () {
  20         printf "SHA  (%d entries, 0 subtrees)\n" $(git ls-files|wc -l) >expect &&
  21         cmp_cache_tree expect
  22 }
  23
  24 test_invalid_cache_tree () {
  25         printf "invalid                                  %s ()\n" "" "$@" >expect &&
  26         test-dump-cache-tree | \
  27         sed -n -e "s/[0-9]* subtrees//" -e '/#(ref)/d' -e '/^invalid /p' >actual &&
  28         test_cmp expect actual
  29 }
  30
  31 test_no_cache_tree () {
  32         : >expect &&
  33         cmp_cache_tree expect
  34 }
  35
  36 test_expect_failure 'initial commit has cache-tree' '
  37         test_commit foo &&
  38         test_shallow_cache_tree
  39 '
  40
  41 test_expect_success 'read-tree HEAD establishes cache-tree' '
  42         git read-tree HEAD &&
  43         test_shallow_cache_tree
  44 '
  45
  46 test_expect_success 'git-add invalidates cache-tree' '
  47         test_when_finished "git reset --hard; git read-tree HEAD" &&
  48         echo "I changed this file" >foo &&
  49         git add foo &&
  50         test_invalid_cache_tree
  51 '
  52
  53 test_expect_success 'git-add in subdir invalidates cache-tree' '
  54         test_when_finished "git reset --hard; git read-tree HEAD" &&
  55         mkdir dirx &&
  56         echo "I changed this file" >dirx/foo &&
  57         git add dirx/foo &&
  58         test_invalid_cache_tree
  59 '
  60
  61 test_expect_success 'git-add in subdir does not invalidate sibling cache-tree' '
  62         git tag no-children &&
  63         test_when_finished "git reset --hard no-children; git read-tree HEAD" &&
  64         mkdir dir1 dir2 &&
  65         test_commit dir1/a &&
  66         test_commit dir2/b &&
  67         echo "I changed this file" >dir1/a &&
  68         git add dir1/a &&
  69         test_invalid_cache_tree dir1/
  70 '
  71
  72 test_expect_success 'update-index invalidates cache-tree' '
  73         test_when_finished "git reset --hard; git read-tree HEAD" &&
  74         echo "I changed this file" >foo &&
  75         git update-index --add foo &&
  76         test_invalid_cache_tree
  77 '
  78
  79 test_expect_success 'write-tree establishes cache-tree' '
  80         test-scrap-cache-tree &&
  81         git write-tree &&
  82         test_shallow_cache_tree
  83 '
  84
  85 test_expect_success 'test-scrap-cache-tree works' '
  86         git read-tree HEAD &&
  87         test-scrap-cache-tree &&
  88         test_no_cache_tree
  89 '
  90
  91 test_expect_success 'second commit has cache-tree' '
  92         test_commit bar &&
  93         test_shallow_cache_tree
  94 '
  95
  96 test_expect_success 'reset --hard gives cache-tree' '
  97         test-scrap-cache-tree &&
  98         git reset --hard &&
  99         test_shallow_cache_tree
 100 '
 101
 102 test_expect_success 'reset --hard without index gives cache-tree' '
 103         rm -f .git/index &&
 104         git reset --hard &&
 105         test_shallow_cache_tree
 106 '
 107
 108 test_expect_success 'checkout gives cache-tree' '
 109         git tag current &&
 110         git checkout HEAD^ &&
 111         test_shallow_cache_tree
 112 '
 113
 114 test_expect_success 'checkout -b gives cache-tree' '
 115         git checkout current &&
 116         git checkout -b prev HEAD^ &&
 117         test_shallow_cache_tree
 118 '
 119
 120 test_expect_success 'checkout -B gives cache-tree' '
 121         git checkout current &&
 122         git checkout -B prev HEAD^ &&
 123         test_shallow_cache_tree
 124 '
 125
 126 test_done