Hash :
3ac05d11
Author :
Date :
2017-02-17T16:48:03
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#include "clar_libgit2.h"
#include "fileops.h"
#include "pack.h"
#include "hash.h"
#include "iterator.h"
#include "vector.h"
#include "posix.h"
static git_repository *_repo;
static git_revwalk *_revwalker;
static git_packbuilder *_packbuilder;
static git_indexer *_indexer;
static git_vector _commits;
static int _commits_is_initialized;
static git_transfer_progress _stats;
void test_pack_packbuilder__initialize(void)
{
_repo = cl_git_sandbox_init("testrepo.git");
cl_git_pass(p_chdir("testrepo.git"));
cl_git_pass(git_revwalk_new(&_revwalker, _repo));
cl_git_pass(git_packbuilder_new(&_packbuilder, _repo));
cl_git_pass(git_vector_init(&_commits, 0, NULL));
_commits_is_initialized = 1;
memset(&_stats, 0, sizeof(_stats));
p_fsync__cnt = 0;
}
void test_pack_packbuilder__cleanup(void)
{
git_oid *o;
unsigned int i;
cl_git_pass(git_libgit2_opts(GIT_OPT_ENABLE_SYNCHRONOUS_OBJECT_CREATION, 0));
if (_commits_is_initialized) {
_commits_is_initialized = 0;
git_vector_foreach(&_commits, i, o) {
git__free(o);
}
git_vector_free(&_commits);
}
git_packbuilder_free(_packbuilder);
_packbuilder = NULL;
git_revwalk_free(_revwalker);
_revwalker = NULL;
git_indexer_free(_indexer);
_indexer = NULL;
cl_git_pass(p_chdir(".."));
cl_git_sandbox_cleanup();
_repo = NULL;
}
static void seed_packbuilder(void)
{
git_oid oid, *o;
unsigned int i;
git_revwalk_sorting(_revwalker, GIT_SORT_TIME);
cl_git_pass(git_revwalk_push_ref(_revwalker, "HEAD"));
while (git_revwalk_next(&oid, _revwalker) == 0) {
o = git__malloc(GIT_OID_RAWSZ);
cl_assert(o != NULL);
git_oid_cpy(o, &oid);
cl_git_pass(git_vector_insert(&_commits, o));
}
git_vector_foreach(&_commits, i, o) {
cl_git_pass(git_packbuilder_insert(_packbuilder, o, NULL));
}
git_vector_foreach(&_commits, i, o) {
git_object *obj;
cl_git_pass(git_object_lookup(&obj, _repo, o, GIT_OBJ_COMMIT));
cl_git_pass(git_packbuilder_insert_tree(_packbuilder,
git_commit_tree_id((git_commit *)obj)));
git_object_free(obj);
}
}
static int feed_indexer(void *ptr, size_t len, void *payload)
{
git_transfer_progress *stats = (git_transfer_progress *)payload;
return git_indexer_append(_indexer, ptr, len, stats);
}
void test_pack_packbuilder__create_pack(void)
{
git_transfer_progress stats;
git_buf buf = GIT_BUF_INIT, path = GIT_BUF_INIT;
git_hash_ctx ctx;
git_oid hash;
char hex[GIT_OID_HEXSZ+1]; hex[GIT_OID_HEXSZ] = '\0';
seed_packbuilder();
cl_git_pass(git_indexer_new(&_indexer, ".", 0, NULL, NULL, NULL));
cl_git_pass(git_packbuilder_foreach(_packbuilder, feed_indexer, &stats));
cl_git_pass(git_indexer_commit(_indexer, &stats));
git_oid_fmt(hex, git_indexer_hash(_indexer));
git_buf_printf(&path, "pack-%s.pack", hex);
/*
* By default, packfiles are created with only one thread.
* Therefore we can predict the object ordering and make sure
* we create exactly the same pack as git.git does when *not*
* reusing existing deltas (as libgit2).
*
* $ cd tests/resources/testrepo.git
* $ git rev-list --objects HEAD | \
* git pack-objects -q --no-reuse-delta --threads=1 pack
* $ sha1sum git-80e61eb315239ef3c53033e37fee43b744d57122.pack
* 5d410bdf97cf896f9007681b92868471d636954b
*
*/
cl_git_pass(git_futils_readbuffer(&buf, git_buf_cstr(&path)));
cl_git_pass(git_hash_ctx_init(&ctx));
cl_git_pass(git_hash_update(&ctx, buf.ptr, buf.size));
cl_git_pass(git_hash_final(&hash, &ctx));
git_hash_ctx_cleanup(&ctx);
git_buf_free(&path);
git_buf_free(&buf);
git_oid_fmt(hex, &hash);
cl_assert_equal_s(hex, "5d410bdf97cf896f9007681b92868471d636954b");
}
void test_pack_packbuilder__get_hash(void)
{
char hex[GIT_OID_HEXSZ+1]; hex[GIT_OID_HEXSZ] = '\0';
seed_packbuilder();
git_packbuilder_write(_packbuilder, ".", 0, NULL, NULL);
git_oid_fmt(hex, git_packbuilder_hash(_packbuilder));
cl_assert_equal_s(hex, "80e61eb315239ef3c53033e37fee43b744d57122");
}
static void test_write_pack_permission(mode_t given, mode_t expected)
{
struct stat statbuf;
mode_t mask, os_mask;
seed_packbuilder();
git_packbuilder_write(_packbuilder, ".", given, NULL, NULL);
/* Windows does not return group/user bits from stat,
* files are never executable.
*/
#ifdef GIT_WIN32
os_mask = 0600;
#else
os_mask = 0777;
#endif
mask = p_umask(0);
p_umask(mask);
cl_git_pass(p_stat("pack-80e61eb315239ef3c53033e37fee43b744d57122.idx", &statbuf));
cl_assert_equal_i(statbuf.st_mode & os_mask, (expected & ~mask) & os_mask);
cl_git_pass(p_stat("pack-80e61eb315239ef3c53033e37fee43b744d57122.pack", &statbuf));
cl_assert_equal_i(statbuf.st_mode & os_mask, (expected & ~mask) & os_mask);
}
void test_pack_packbuilder__permissions_standard(void)
{
test_write_pack_permission(0, GIT_PACK_FILE_MODE);
}
void test_pack_packbuilder__permissions_readonly(void)
{
test_write_pack_permission(0444, 0444);
}
void test_pack_packbuilder__permissions_readwrite(void)
{
test_write_pack_permission(0666, 0666);
}
void test_pack_packbuilder__does_not_fsync_by_default(void)
{
seed_packbuilder();
git_packbuilder_write(_packbuilder, ".", 0666, NULL, NULL);
cl_assert_equal_sz(0, p_fsync__cnt);
}
void test_pack_packbuilder__fsync_when_asked(void)
{
/* We fsync the packfile and index. On non-Windows, we also fsync
* the parent directories.
*/
#ifdef GIT_WIN32
int expected = 2;
#else
int expected = 4;
#endif
cl_git_pass(git_libgit2_opts(GIT_OPT_ENABLE_SYNCHRONOUS_OBJECT_CREATION, 1));
p_fsync__cnt = 0;
seed_packbuilder();
git_packbuilder_write(_packbuilder, ".", 0666, NULL, NULL);
cl_assert_equal_sz(expected, p_fsync__cnt);
}
static int foreach_cb(void *buf, size_t len, void *payload)
{
git_indexer *idx = (git_indexer *) payload;
cl_git_pass(git_indexer_append(idx, buf, len, &_stats));
return 0;
}
void test_pack_packbuilder__foreach(void)
{
git_indexer *idx;
seed_packbuilder();
cl_git_pass(git_indexer_new(&idx, ".", 0, NULL, NULL, NULL));
cl_git_pass(git_packbuilder_foreach(_packbuilder, foreach_cb, idx));
cl_git_pass(git_indexer_commit(idx, &_stats));
git_indexer_free(idx);
}
static int foreach_cancel_cb(void *buf, size_t len, void *payload)
{
git_indexer *idx = (git_indexer *)payload;
cl_git_pass(git_indexer_append(idx, buf, len, &_stats));
return (_stats.total_objects > 2) ? -1111 : 0;
}
void test_pack_packbuilder__foreach_with_cancel(void)
{
git_indexer *idx;
seed_packbuilder();
cl_git_pass(git_indexer_new(&idx, ".", 0, NULL, NULL, NULL));
cl_git_fail_with(
git_packbuilder_foreach(_packbuilder, foreach_cancel_cb, idx), -1111);
git_indexer_free(idx);
}