1#!/bin/sh
2
3test_description="Test whether cache-tree is properly updated
4
5Tests whether various commands properly update and/or rewrite the
6cache-tree extension.
7"
8 . ./test-lib.sh
9
10cmp_cache_tree () {
11 test-dump-cache-tree >actual &&
12 sed "s/$_x40/SHA/" <actual >filtered &&
13 test_cmp "$1" filtered
14}
15
16# We don't bother with actually checking the SHA1:
17# test-dump-cache-tree already verifies that all existing data is
18# correct.
19test_shallow_cache_tree () {
20 echo "SHA " \
21 "($(git ls-files|wc -l) entries, 0 subtrees)" >expect &&
22 cmp_cache_tree expect
23}
24
25test_invalid_cache_tree () {
26 echo "invalid (0 subtrees)" >expect &&
27 echo "SHA #(ref) " \
28 "($(git ls-files|wc -l) entries, 0 subtrees)" >>expect &&
29 cmp_cache_tree expect
30}
31
32test_no_cache_tree () {
33 : >expect &&
34 cmp_cache_tree expect
35}
36
37test_expect_failure 'initial commit has cache-tree' '
38 test_commit foo &&
39 test_shallow_cache_tree
40'
41
42test_expect_success 'read-tree HEAD establishes cache-tree' '
43 git read-tree HEAD &&
44 test_shallow_cache_tree
45'
46
47test_expect_success 'git-add invalidates cache-tree' '
48 test_when_finished "git reset --hard; git read-tree HEAD" &&
49 echo "I changed this file" > foo &&
50 git add foo &&
51 test_invalid_cache_tree
52'
53
54test_expect_success 'update-index invalidates cache-tree' '
55 test_when_finished "git reset --hard; git read-tree HEAD" &&
56 echo "I changed this file" > foo &&
57 git update-index --add foo &&
58 test_invalid_cache_tree
59'
60
61test_expect_success 'write-tree establishes cache-tree' '
62 test-scrap-cache-tree &&
63 git write-tree &&
64 test_shallow_cache_tree
65'
66
67test_expect_success 'test-scrap-cache-tree works' '
68 git read-tree HEAD &&
69 test-scrap-cache-tree &&
70 test_no_cache_tree
71'
72
73test_expect_success 'second commit has cache-tree' '
74 test_commit bar &&
75 test_shallow_cache_tree
76'
77
78test_expect_success 'reset --hard gives cache-tree' '
79 test-scrap-cache-tree &&
80 git reset --hard &&
81 test_shallow_cache_tree
82'
83
84test_expect_success 'reset --hard without index gives cache-tree' '
85 rm -f .git/index &&
86 git reset --hard &&
87 test_shallow_cache_tree
88'
89
90test_expect_failure 'checkout gives cache-tree' '
91 git checkout HEAD^ &&
92 test_shallow_cache_tree
93'
94
95test_done