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         name=$(echo $ZERO_OID | sed -e "s/00/Q/g") &&
   8         bogus_tree=$(
   9                 printf "100644 fooQ$name" |
  10                 q_to_nul |
  11                 git hash-object -w --stdin -t tree
  12         )
  13 '
  14
  15 test_expect_success 'create tree with matching file' '
  16         echo bar >foo &&
  17         git add foo &&
  18         good_tree=$(git write-tree) &&
  19         blob=$(git rev-parse :foo)
  20 '
  21
  22 test_expect_success 'raw diff shows null sha1 (addition)' '
  23         echo ":000000 100644 $ZERO_OID $ZERO_OID A      foo" >expect &&
  24         git diff-tree $EMPTY_TREE $bogus_tree >actual &&
  25         test_cmp expect actual
  26 '
  27
  28 test_expect_success 'raw diff shows null sha1 (removal)' '
  29         echo ":100644 000000 $ZERO_OID $ZERO_OID D      foo" >expect &&
  30         git diff-tree $bogus_tree $EMPTY_TREE >actual &&
  31         test_cmp expect actual
  32 '
  33
  34 test_expect_success 'raw diff shows null sha1 (modification)' '
  35         echo ":100644 100644 $blob $ZERO_OID M  foo" >expect &&
  36         git diff-tree $good_tree $bogus_tree >actual &&
  37         test_cmp expect actual
  38 '
  39
  40 test_expect_success 'raw diff shows null sha1 (other direction)' '
  41         echo ":100644 100644 $ZERO_OID $blob M  foo" >expect &&
  42         git diff-tree $bogus_tree $good_tree >actual &&
  43         test_cmp expect actual
  44 '
  45
  46 test_expect_success 'raw diff shows null sha1 (reverse)' '
  47         echo ":100644 100644 $ZERO_OID $blob M  foo" >expect &&
  48         git diff-tree -R $good_tree $bogus_tree >actual &&
  49         test_cmp expect actual
  50 '
  51
  52 test_expect_success 'raw diff shows null sha1 (index)' '
  53         echo ":100644 100644 $ZERO_OID $blob M  foo" >expect &&
  54         git diff-index $bogus_tree >actual &&
  55         test_cmp expect actual
  56 '
  57
  58 test_expect_success 'patch fails due to bogus sha1 (addition)' '
  59         test_must_fail git diff-tree -p $EMPTY_TREE $bogus_tree
  60 '
  61
  62 test_expect_success 'patch fails due to bogus sha1 (removal)' '
  63         test_must_fail git diff-tree -p $bogus_tree $EMPTY_TREE
  64 '
  65
  66 test_expect_success 'patch fails due to bogus sha1 (modification)' '
  67         test_must_fail git diff-tree -p $good_tree $bogus_tree
  68 '
  69
  70 test_expect_success 'patch fails due to bogus sha1 (other direction)' '
  71         test_must_fail git diff-tree -p $bogus_tree $good_tree
  72 '
  73
  74 test_expect_success 'patch fails due to bogus sha1 (reverse)' '
  75         test_must_fail git diff-tree -R -p $good_tree $bogus_tree
  76 '
  77
  78 test_expect_success 'patch fails due to bogus sha1 (index)' '
  79         test_must_fail git diff-index -p $bogus_tree
  80 '
  81
  82 test_done