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 "$1" filtered
  14 }
  15
  16 # We don't bother with actually checking the SHA1:
  17 # test-dump-cache-tree already verifies that all existing data is
  18 # correct.
  19 test_shallow_cache_tree () {
  20         echo "SHA " \
  21             "($(git ls-files|wc -l) entries, 0 subtrees)" >expect &&
  22         cmp_cache_tree expect
  23 }
  24
  25 test_invalid_cache_tree () {
  26         echo "invalid                                   (0 subtrees)" >expect &&
  27         echo "SHA #(ref) " \
  28             "($(git ls-files|wc -l) entries, 0 subtrees)" >>expect &&
  29         cmp_cache_tree expect
  30 }
  31
  32 test_no_cache_tree () {
  33         : >expect &&
  34         cmp_cache_tree expect
  35 }
  36
  37 test_expect_failure 'initial commit has cache-tree' '
  38         test_commit foo &&
  39         test_shallow_cache_tree
  40 '
  41
  42 test_expect_success 'read-tree HEAD establishes cache-tree' '
  43         git read-tree HEAD &&
  44         test_shallow_cache_tree
  45 '
  46
  47 test_expect_success 'git-add invalidates cache-tree' '
  48         test_when_finished "git reset --hard; git read-tree HEAD" &&
  49         echo "I changed this file" > foo &&
  50         git add foo &&
  51         test_invalid_cache_tree
  52 '
  53
  54 test_expect_success 'update-index invalidates cache-tree' '
  55         test_when_finished "git reset --hard; git read-tree HEAD" &&
  56         echo "I changed this file" > foo &&
  57         git update-index --add foo &&
  58         test_invalid_cache_tree
  59 '
  60
  61 test_expect_success 'write-tree establishes cache-tree' '
  62         test-scrap-cache-tree &&
  63         git write-tree &&
  64         test_shallow_cache_tree
  65 '
  66
  67 test_expect_success 'test-scrap-cache-tree works' '
  68         git read-tree HEAD &&
  69         test-scrap-cache-tree &&
  70         test_no_cache_tree
  71 '
  72
  73 test_expect_success 'second commit has cache-tree' '
  74         test_commit bar &&
  75         test_shallow_cache_tree
  76 '
  77
  78 test_expect_success 'reset --hard gives cache-tree' '
  79         test-scrap-cache-tree &&
  80         git reset --hard &&
  81         test_shallow_cache_tree
  82 '
  83
  84 test_expect_success 'reset --hard without index gives cache-tree' '
  85         rm -f .git/index &&
  86         git reset --hard &&
  87         test_shallow_cache_tree
  88 '
  89
  90 test_expect_failure 'checkout gives cache-tree' '
  91         git checkout HEAD^ &&
  92         test_shallow_cache_tree
  93 '
  94
  95 test_done