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tests: index::version: improve write test for index v4

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The current write test does not trigger some edge-cases in the index
version 4 path compression code. Rewrite the test to start off the an
empty standard repository, creating index entries with interesting paths
itself. This allows for more fine-grained control over checked paths.
Furthermore, we now also verify that entry paths are actually
reconstructed correctly.
This commit is contained in:
Patrick Steinhardt 2017-05-19 13:04:32 +02:00
parent 8fe335382a
commit 92d3ea4e39
1 changed files with 27 additions and 14 deletions
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41
tests/index/version.c
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@ -34,31 +34,44 @@ void test_index_version__can_read_v4(void)
void test_index_version__can_write_v4(void)
{
const char *paths[] = {
"foo",
"foox",
"foobar",
"foobal",
"x",
"xz",
"xyzzyx"
};
git_index_entry entry;
git_index *index;
const git_index_entry *entry;
size_t i;
g_repo = cl_git_sandbox_init("filemodes");
g_repo = cl_git_sandbox_init("empty_standard_repo");
cl_git_pass(git_repository_index(&index, g_repo));
cl_assert(index->on_disk);
cl_assert(git_index_version(index) == 2);
cl_assert(git_index_entrycount(index) == 6);
cl_git_pass(git_index_set_version(index, 4));
for (i = 0; i < ARRAY_SIZE(paths); i++) {
memset(&entry, 0, sizeof(entry));
entry.path = paths[i];
entry.mode = GIT_FILEMODE_BLOB;
cl_git_pass(git_index_add_frombuffer(index, &entry, paths[i],
strlen(paths[i]) + 1));
}
cl_assert_equal_sz(git_index_entrycount(index), ARRAY_SIZE(paths));
cl_git_pass(git_index_write(index));
git_index_free(index);
cl_git_pass(git_repository_index(&index, g_repo));
cl_assert(git_index_version(index) == 4);
entry = git_index_get_bypath(index, "exec_off", 0);
cl_assert(entry);
entry = git_index_get_bypath(index, "exec_off2on_staged", 0);
cl_assert(entry);
entry = git_index_get_bypath(index, "exec_on", 0);
cl_assert(entry);
for (i = 0; i < ARRAY_SIZE(paths); i++) {
const git_index_entry *e;
cl_assert(e = git_index_get_bypath(index, paths[i], 0));
cl_assert_equal_s(paths[i], e->path);
}
git_index_free(index);
}