t/t4054-diff-bogus-tree.sh

   1 #!/bin/sh
   2
   3 test_description='test diff with a bogus tree containing the null sha1'
   4 . ./test-lib.sh
   5
   6 empty_tree=4b825dc642cb6eb9a060e54bf8d69288fbee4904
   7
   8 test_expect_success 'create bogus tree' '
   9         bogus_tree=$(
  10                 printf "100644 fooQQQQQQQQQQQQQQQQQQQQQ" |
  11                 q_to_nul |
  12                 git hash-object -w --stdin -t tree
  13         )
  14 '
  15
  16 test_expect_success 'create tree with matching file' '
  17         echo bar >foo &&
  18         git add foo &&
  19         good_tree=$(git write-tree)
  20         blob=$(git rev-parse :foo)
  21 '
  22
  23 test_expect_success 'raw diff shows null sha1 (addition)' '
  24         echo ":000000 100644 $_z40 $_z40 A      foo" >expect &&
  25         git diff-tree $empty_tree $bogus_tree >actual &&
  26         test_cmp expect actual
  27 '
  28
  29 test_expect_success 'raw diff shows null sha1 (removal)' '
  30         echo ":100644 000000 $_z40 $_z40 D      foo" >expect &&
  31         git diff-tree $bogus_tree $empty_tree >actual &&
  32         test_cmp expect actual
  33 '
  34
  35 test_expect_success 'raw diff shows null sha1 (modification)' '
  36         echo ":100644 100644 $blob $_z40 M      foo" >expect &&
  37         git diff-tree $good_tree $bogus_tree >actual &&
  38         test_cmp expect actual
  39 '
  40
  41 test_expect_success 'raw diff shows null sha1 (other direction)' '
  42         echo ":100644 100644 $_z40 $blob M      foo" >expect &&
  43         git diff-tree $bogus_tree $good_tree >actual &&
  44         test_cmp expect actual
  45 '
  46
  47 test_expect_success 'raw diff shows null sha1 (reverse)' '
  48         echo ":100644 100644 $_z40 $blob M      foo" >expect &&
  49         git diff-tree -R $good_tree $bogus_tree >actual &&
  50         test_cmp expect actual
  51 '
  52
  53 test_expect_success 'raw diff shows null sha1 (index)' '
  54         echo ":100644 100644 $_z40 $blob M      foo" >expect &&
  55         git diff-index $bogus_tree >actual &&
  56         test_cmp expect actual
  57 '
  58
  59 test_expect_success 'patch fails due to bogus sha1 (addition)' '
  60         test_must_fail git diff-tree -p $empty_tree $bogus_tree
  61 '
  62
  63 test_expect_success 'patch fails due to bogus sha1 (removal)' '
  64         test_must_fail git diff-tree -p $bogus_tree $empty_tree
  65 '
  66
  67 test_expect_success 'patch fails due to bogus sha1 (modification)' '
  68         test_must_fail git diff-tree -p $good_tree $bogus_tree
  69 '
  70
  71 test_expect_success 'patch fails due to bogus sha1 (other direction)' '
  72         test_must_fail git diff-tree -p $bogus_tree $good_tree
  73 '
  74
  75 test_expect_success 'patch fails due to bogus sha1 (reverse)' '
  76         test_must_fail git diff-tree -R -p $good_tree $bogus_tree
  77 '
  78
  79 test_expect_success 'patch fails due to bogus sha1 (index)' '
  80         test_must_fail git diff-index -p $bogus_tree
  81 '
  82
  83 test_done