streaming_write_entry: propagate streaming errors
[git] / t / t1060-object-corruption.sh
1 #!/bin/sh
2
3 test_description='see how we handle various forms of corruption'
4 . ./test-lib.sh
5
6 # convert "1234abcd" to ".git/objects/12/34abcd"
7 obj_to_file() {
8         echo "$(git rev-parse --git-dir)/objects/$(git rev-parse "$1" | sed 's,..,&/,')"
9 }
10
11 # Convert byte at offset "$2" of object "$1" into '\0'
12 corrupt_byte() {
13         obj_file=$(obj_to_file "$1") &&
14         chmod +w "$obj_file" &&
15         printf '\0' | dd of="$obj_file" bs=1 seek="$2" conv=notrunc
16 }
17
18 test_expect_success 'setup corrupt repo' '
19         git init bit-error &&
20         (
21                 cd bit-error &&
22                 test_commit content &&
23                 corrupt_byte HEAD:content.t 10
24         )
25 '
26
27 test_expect_success 'setup repo with missing object' '
28         git init missing &&
29         (
30                 cd missing &&
31                 test_commit content &&
32                 rm -f "$(obj_to_file HEAD:content.t)"
33         )
34 '
35
36 test_expect_success 'streaming a corrupt blob fails' '
37         (
38                 cd bit-error &&
39                 test_must_fail git cat-file blob HEAD:content.t
40         )
41 '
42
43 test_expect_success 'read-tree -u detects bit-errors in blobs' '
44         (
45                 cd bit-error &&
46                 rm -f content.t &&
47                 test_must_fail git read-tree --reset -u HEAD
48         )
49 '
50
51 test_expect_success 'read-tree -u detects missing objects' '
52         (
53                 cd missing &&
54                 rm -f content.t &&
55                 test_must_fail git read-tree --reset -u HEAD
56         )
57 '
58
59 test_done