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