Rename tests-clar to tests

2 files changed, 330 insertions, 0 deletions

diff --git a/tests/pack/indexer.c b/tests/pack/indexer.c
new file mode 100644
index 000000000..07963a9e7
--- /dev/null
+++ b/tests/pack/indexer.c
@@ -0,0 +1,126 @@
+#include "clar_libgit2.h"
+#include <git2.h>
+#include "fileops.h"
+#include "hash.h"
+#include "iterator.h"
+#include "vector.h"
+#include "posix.h"
+
+
+/*
+ * This is a packfile with three objects. The second is a delta which
+ * depends on the third, which is also a delta.
+ */
+unsigned char out_of_order_pack[] = {
+  0x50, 0x41, 0x43, 0x4b, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x03,
+  0x32, 0x78, 0x9c, 0x63, 0x67, 0x00, 0x00, 0x00, 0x10, 0x00, 0x08, 0x76,
+  0xe6, 0x8f, 0xe8, 0x12, 0x9b, 0x54, 0x6b, 0x10, 0x1a, 0xee, 0x95, 0x10,
+  0xc5, 0x32, 0x8e, 0x7f, 0x21, 0xca, 0x1d, 0x18, 0x78, 0x9c, 0x63, 0x62,
+  0x66, 0x4e, 0xcb, 0xcf, 0x07, 0x00, 0x02, 0xac, 0x01, 0x4d, 0x75, 0x01,
+  0xd7, 0x71, 0x36, 0x66, 0xf4, 0xde, 0x82, 0x27, 0x76, 0xc7, 0x62, 0x2c,
+  0x10, 0xf1, 0xb0, 0x7d, 0xe2, 0x80, 0xdc, 0x78, 0x9c, 0x63, 0x62, 0x62,
+  0x62, 0xb7, 0x03, 0x00, 0x00, 0x69, 0x00, 0x4c, 0xde, 0x7d, 0xaa, 0xe4,
+  0x19, 0x87, 0x58, 0x80, 0x61, 0x09, 0x9a, 0x33, 0xca, 0x7a, 0x31, 0x92,
+  0x6f, 0xae, 0x66, 0x75
+};
+unsigned int out_of_order_pack_len = 112;
+
+/*
+ * Packfile with two objects. The second is a delta against an object
+ * which is not in the packfile
+ */
+unsigned char thin_pack[] = {
+  0x50, 0x41, 0x43, 0x4b, 0x00, 0x00, 0x00, 0x02, 0x00, 0x00, 0x00, 0x02,
+  0x32, 0x78, 0x9c, 0x63, 0x67, 0x00, 0x00, 0x00, 0x10, 0x00, 0x08, 0x76,
+  0xe6, 0x8f, 0xe8, 0x12, 0x9b, 0x54, 0x6b, 0x10, 0x1a, 0xee, 0x95, 0x10,
+  0xc5, 0x32, 0x8e, 0x7f, 0x21, 0xca, 0x1d, 0x18, 0x78, 0x9c, 0x63, 0x62,
+  0x66, 0x4e, 0xcb, 0xcf, 0x07, 0x00, 0x02, 0xac, 0x01, 0x4d, 0x42, 0x52,
+  0x3a, 0x6f, 0x39, 0xd1, 0xfe, 0x66, 0x68, 0x6b, 0xa5, 0xe5, 0xe2, 0x97,
+  0xac, 0x94, 0x6c, 0x76, 0x0b, 0x04
+};
+unsigned int thin_pack_len = 78;
+
+unsigned char base_obj[] = { 07, 076 };
+unsigned int base_obj_len = 2;
+
+void test_pack_indexer__out_of_order(void)
+{
+	git_indexer *idx;
+	git_transfer_progress stats;
+
+	cl_git_pass(git_indexer_new(&idx, ".", 0, NULL, NULL, NULL));
+	cl_git_pass(git_indexer_append(idx, out_of_order_pack, out_of_order_pack_len, &stats));
+	cl_git_pass(git_indexer_commit(idx, &stats));
+
+	cl_assert_equal_i(stats.total_objects, 3);
+	cl_assert_equal_i(stats.received_objects, 3);
+	cl_assert_equal_i(stats.indexed_objects, 3);
+
+	git_indexer_free(idx);
+}
+
+void test_pack_indexer__fix_thin(void)
+{
+	git_indexer *idx;
+	git_transfer_progress stats;
+	git_repository *repo;
+	git_odb *odb;
+	git_oid id, should_id;
+
+	cl_git_pass(git_repository_init(&repo, "thin.git", true));
+	cl_git_pass(git_repository_odb(&odb, repo));
+
+	/* Store the missing base into your ODB so the indexer can fix the pack */
+	cl_git_pass(git_odb_write(&id, odb, base_obj, base_obj_len, GIT_OBJ_BLOB));
+	git_oid_fromstr(&should_id, "e68fe8129b546b101aee9510c5328e7f21ca1d18");
+	cl_assert(!git_oid_cmp(&id, &should_id));
+
+	cl_git_pass(git_indexer_new(&idx, ".", 0, odb, NULL, NULL));
+	cl_git_pass(git_indexer_append(idx, thin_pack, thin_pack_len, &stats));
+	cl_git_pass(git_indexer_commit(idx, &stats));
+
+	cl_assert_equal_i(stats.total_objects, 2);
+	cl_assert_equal_i(stats.received_objects, 2);
+	cl_assert_equal_i(stats.indexed_objects, 2);
+	cl_assert_equal_i(stats.local_objects, 1);
+
+	git_oid_fromstr(&should_id, "11f0f69b334728fdd8bc86b80499f22f29d85b15");
+	cl_assert(!git_oid_cmp(git_indexer_hash(idx), &should_id));
+
+	git_indexer_free(idx);
+	git_odb_free(odb);
+	git_repository_free(repo);
+
+	/*
+	 * The pack's name/hash only tells us what objects there are,
+	 * so we need to go through the packfile again in order to
+	 * figure out whether we calculated the trailer correctly.
+	 */
+	{
+		unsigned char buffer[128];
+		int fd;
+		ssize_t read;
+		struct stat st;
+		const char *name = "pack-11f0f69b334728fdd8bc86b80499f22f29d85b15.pack";
+
+		fd = p_open(name, O_RDONLY);
+		cl_assert(fd != -1);
+
+		cl_git_pass(p_stat(name, &st));
+
+		cl_git_pass(git_indexer_new(&idx, ".", 0, NULL, NULL, NULL));
+		read = p_read(fd, buffer, sizeof(buffer));
+		cl_assert(read != -1);
+		p_close(fd);
+
+		cl_git_pass(git_indexer_append(idx, buffer, read, &stats));
+		cl_git_pass(git_indexer_commit(idx, &stats));
+
+		cl_assert_equal_i(stats.total_objects, 3);
+		cl_assert_equal_i(stats.received_objects, 3);
+		cl_assert_equal_i(stats.indexed_objects, 3);
+		cl_assert_equal_i(stats.local_objects, 0);
+
+		git_indexer_free(idx);
+	}
+}
diff --git a/tests/pack/packbuilder.c b/tests/pack/packbuilder.c
new file mode 100644
index 000000000..54d1e8022
--- /dev/null
+++ b/tests/pack/packbuilder.c
@@ -0,0 +1,204 @@
+#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;
+
+void test_pack_packbuilder__initialize(void)
+{
+	_repo = cl_git_sandbox_init("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;
+}
+
+void test_pack_packbuilder__cleanup(void)
+{
+	git_oid *o;
+	unsigned int i;
+
+	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_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[41]; hex[40] = '\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-clar/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[41]; hex[40] = '\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);
+}
+
+static git_transfer_progress stats;
+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);
+}