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         echo "invalid                                   (0 subtrees)" >expect &&
  26         printf "SHA #(ref)  (%d entries, 0 subtrees)\n" $(git ls-files|wc -l) >>expect &&
  27         cmp_cache_tree expect
  28 }
  29
  30 test_no_cache_tree () {
  31         : >expect &&
  32         cmp_cache_tree expect
  33 }
  34
  35 test_expect_failure 'initial commit has cache-tree' '
  36         test_commit foo &&
  37         test_shallow_cache_tree
  38 '
  39
  40 test_expect_success 'read-tree HEAD establishes cache-tree' '
  41         git read-tree HEAD &&
  42         test_shallow_cache_tree
  43 '
  44
  45 test_expect_success 'git-add invalidates cache-tree' '
  46         test_when_finished "git reset --hard; git read-tree HEAD" &&
  47         echo "I changed this file" > foo &&
  48         git add foo &&
  49         test_invalid_cache_tree
  50 '
  51
  52 test_expect_success 'update-index invalidates cache-tree' '
  53         test_when_finished "git reset --hard; git read-tree HEAD" &&
  54         echo "I changed this file" > foo &&
  55         git update-index --add foo &&
  56         test_invalid_cache_tree
  57 '
  58
  59 test_expect_success 'write-tree establishes cache-tree' '
  60         test-scrap-cache-tree &&
  61         git write-tree &&
  62         test_shallow_cache_tree
  63 '
  64
  65 test_expect_success 'test-scrap-cache-tree works' '
  66         git read-tree HEAD &&
  67         test-scrap-cache-tree &&
  68         test_no_cache_tree
  69 '
  70
  71 test_expect_success 'second commit has cache-tree' '
  72         test_commit bar &&
  73         test_shallow_cache_tree
  74 '
  75
  76 test_expect_success 'reset --hard gives cache-tree' '
  77         test-scrap-cache-tree &&
  78         git reset --hard &&
  79         test_shallow_cache_tree
  80 '
  81
  82 test_expect_success 'reset --hard without index gives cache-tree' '
  83         rm -f .git/index &&
  84         git reset --hard &&
  85         test_shallow_cache_tree
  86 '
  87
  88 test_expect_failure 'checkout gives cache-tree' '
  89         git checkout HEAD^ &&
  90         test_shallow_cache_tree
  91 '
  92
  93 test_done