t/t4054-diff-bogus-tree.sh

   1 #!/bin/sh
   2
   3 test_description='test diff with a bogus tree containing the null sha1'
   4
   5 TEST_PASSES_SANITIZE_LEAK=true
   6 . ./test-lib.sh
   7
   8 test_expect_success 'create bogus tree' '
   9         name=$(echo $ZERO_OID | sed -e "s/00/Q/g") &&
  10         bogus_tree=$(
  11                 printf "100644 fooQ$name" |
  12                 q_to_nul |
  13                 git hash-object --literally -w --stdin -t tree
  14         )
  15 '
  16
  17 test_expect_success 'create tree with matching file' '
  18         echo bar >foo &&
  19         git add foo &&
  20         good_tree=$(git write-tree) &&
  21         blob=$(git rev-parse :foo)
  22 '
  23
  24 test_expect_success 'raw diff shows null sha1 (addition)' '
  25         echo ":000000 100644 $ZERO_OID $ZERO_OID A      foo" >expect &&
  26         git diff-tree $EMPTY_TREE $bogus_tree >actual &&
  27         test_cmp expect actual
  28 '
  29
  30 test_expect_success 'raw diff shows null sha1 (removal)' '
  31         echo ":100644 000000 $ZERO_OID $ZERO_OID D      foo" >expect &&
  32         git diff-tree $bogus_tree $EMPTY_TREE >actual &&
  33         test_cmp expect actual
  34 '
  35
  36 test_expect_success 'raw diff shows null sha1 (modification)' '
  37         echo ":100644 100644 $blob $ZERO_OID M  foo" >expect &&
  38         git diff-tree $good_tree $bogus_tree >actual &&
  39         test_cmp expect actual
  40 '
  41
  42 test_expect_success 'raw diff shows null sha1 (other direction)' '
  43         echo ":100644 100644 $ZERO_OID $blob M  foo" >expect &&
  44         git diff-tree $bogus_tree $good_tree >actual &&
  45         test_cmp expect actual
  46 '
  47
  48 test_expect_success 'raw diff shows null sha1 (reverse)' '
  49         echo ":100644 100644 $ZERO_OID $blob M  foo" >expect &&
  50         git diff-tree -R $good_tree $bogus_tree >actual &&
  51         test_cmp expect actual
  52 '
  53
  54 test_expect_success 'raw diff shows null sha1 (index)' '
  55         echo ":100644 100644 $ZERO_OID $blob M  foo" >expect &&
  56         git diff-index $bogus_tree >actual &&
  57         test_cmp expect actual
  58 '
  59
  60 test_expect_success 'patch fails due to bogus sha1 (addition)' '
  61         test_must_fail git diff-tree -p $EMPTY_TREE $bogus_tree
  62 '
  63
  64 test_expect_success 'patch fails due to bogus sha1 (removal)' '
  65         test_must_fail git diff-tree -p $bogus_tree $EMPTY_TREE
  66 '
  67
  68 test_expect_success 'patch fails due to bogus sha1 (modification)' '
  69         test_must_fail git diff-tree -p $good_tree $bogus_tree
  70 '
  71
  72 test_expect_success 'patch fails due to bogus sha1 (other direction)' '
  73         test_must_fail git diff-tree -p $bogus_tree $good_tree
  74 '
  75
  76 test_expect_success 'patch fails due to bogus sha1 (reverse)' '
  77         test_must_fail git diff-tree -R -p $good_tree $bogus_tree
  78 '
  79
  80 test_expect_success 'patch fails due to bogus sha1 (index)' '
  81         test_must_fail git diff-index -p $bogus_tree
  82 '
  83
  84 test_done