diff options
Diffstat (limited to 'tests/libgit2/odb/mixed.c')
| -rw-r--r-- | tests/libgit2/odb/mixed.c | 286 |
1 files changed, 286 insertions, 0 deletions
diff --git a/tests/libgit2/odb/mixed.c b/tests/libgit2/odb/mixed.c new file mode 100644 index 000000000..87e945c83 --- /dev/null +++ b/tests/libgit2/odb/mixed.c @@ -0,0 +1,286 @@ +#include "clar_libgit2.h" +#include "odb.h" + +static git_odb *_odb; + +void test_odb_mixed__initialize(void) +{ + cl_git_pass(git_odb_open(&_odb, cl_fixture("duplicate.git/objects"))); +} + +void test_odb_mixed__cleanup(void) +{ + git_odb_free(_odb); + _odb = NULL; +} + +void test_odb_mixed__dup_oid(void) { + const char hex[] = "ce013625030ba8dba906f756967f9e9ca394464a"; + const char short_hex[] = "ce01362"; + git_oid oid; + git_odb_object *obj; + + cl_git_pass(git_oid_fromstr(&oid, hex)); + cl_git_pass(git_odb_read_prefix(&obj, _odb, &oid, GIT_OID_HEXSZ)); + git_odb_object_free(obj); + + cl_git_pass(git_odb_exists_prefix(NULL, _odb, &oid, GIT_OID_HEXSZ)); + + cl_git_pass(git_oid_fromstrn(&oid, short_hex, sizeof(short_hex) - 1)); + cl_git_pass(git_odb_read_prefix(&obj, _odb, &oid, sizeof(short_hex) - 1)); + git_odb_object_free(obj); + + cl_git_pass(git_odb_exists_prefix(NULL, _odb, &oid, sizeof(short_hex) - 1)); +} + +/* some known sha collisions of file content: + * 'aabqhq' and 'aaazvc' with prefix 'dea509d0' (+ '9' and + 'b') + * 'aaeufo' and 'aaaohs' with prefix '81b5bff5' (+ 'f' and + 'b') + * 'aafewy' and 'aaepta' with prefix '739e3c4c' + * 'aahsyn' and 'aadrjg' with prefix '0ddeaded' (+ '9' and + 'e') + */ + +void test_odb_mixed__dup_oid_prefix_0(void) { + char hex[10]; + git_oid oid, found; + git_odb_object *obj; + + /* ambiguous in the same pack file */ + + strncpy(hex, "dea509d0", sizeof(hex)); + cl_git_pass(git_oid_fromstrn(&oid, hex, strlen(hex))); + cl_assert_equal_i( + GIT_EAMBIGUOUS, git_odb_read_prefix(&obj, _odb, &oid, strlen(hex))); + cl_assert_equal_i( + GIT_EAMBIGUOUS, git_odb_exists_prefix(&found, _odb, &oid, strlen(hex))); + + strncpy(hex, "dea509d09", sizeof(hex)); + cl_git_pass(git_oid_fromstrn(&oid, hex, strlen(hex))); + cl_git_pass(git_odb_read_prefix(&obj, _odb, &oid, strlen(hex))); + cl_git_pass(git_odb_exists_prefix(&found, _odb, &oid, strlen(hex))); + cl_assert_equal_oid(&found, git_odb_object_id(obj)); + git_odb_object_free(obj); + + strncpy(hex, "dea509d0b", sizeof(hex)); + cl_git_pass(git_oid_fromstrn(&oid, hex, strlen(hex))); + cl_git_pass(git_odb_read_prefix(&obj, _odb, &oid, strlen(hex))); + git_odb_object_free(obj); + + /* ambiguous in different pack files */ + + strncpy(hex, "81b5bff5", sizeof(hex)); + cl_git_pass(git_oid_fromstrn(&oid, hex, strlen(hex))); + cl_assert_equal_i( + GIT_EAMBIGUOUS, git_odb_read_prefix(&obj, _odb, &oid, strlen(hex))); + cl_assert_equal_i( + GIT_EAMBIGUOUS, git_odb_exists_prefix(&found, _odb, &oid, strlen(hex))); + + strncpy(hex, "81b5bff5b", sizeof(hex)); + cl_git_pass(git_oid_fromstrn(&oid, hex, strlen(hex))); + cl_git_pass(git_odb_read_prefix(&obj, _odb, &oid, strlen(hex))); + cl_git_pass(git_odb_exists_prefix(&found, _odb, &oid, strlen(hex))); + cl_assert_equal_oid(&found, git_odb_object_id(obj)); + git_odb_object_free(obj); + + strncpy(hex, "81b5bff5f", sizeof(hex)); + cl_git_pass(git_oid_fromstrn(&oid, hex, strlen(hex))); + cl_git_pass(git_odb_read_prefix(&obj, _odb, &oid, strlen(hex))); + git_odb_object_free(obj); + + /* ambiguous in pack file and loose */ + + strncpy(hex, "0ddeaded", sizeof(hex)); + cl_git_pass(git_oid_fromstrn(&oid, hex, strlen(hex))); + cl_assert_equal_i( + GIT_EAMBIGUOUS, git_odb_read_prefix(&obj, _odb, &oid, strlen(hex))); + cl_assert_equal_i( + GIT_EAMBIGUOUS, git_odb_exists_prefix(&found, _odb, &oid, strlen(hex))); + + strncpy(hex, "0ddeaded9", sizeof(hex)); + cl_git_pass(git_oid_fromstrn(&oid, hex, strlen(hex))); + cl_git_pass(git_odb_read_prefix(&obj, _odb, &oid, strlen(hex))); + cl_git_pass(git_odb_exists_prefix(&found, _odb, &oid, strlen(hex))); + cl_assert_equal_oid(&found, git_odb_object_id(obj)); + git_odb_object_free(obj); + + strncpy(hex, "0ddeadede", sizeof(hex)); + cl_git_pass(git_oid_fromstrn(&oid, hex, strlen(hex))); + cl_git_pass(git_odb_read_prefix(&obj, _odb, &oid, strlen(hex))); + git_odb_object_free(obj); +} + +struct expand_id_test_data { + char *lookup_id; + char *expected_id; + git_object_t expected_type; +}; + +struct expand_id_test_data expand_id_test_data[] = { + /* some prefixes and their expected values */ + { "dea509d0", NULL, GIT_OBJECT_ANY }, + { "00000000", NULL, GIT_OBJECT_ANY }, + { "dea509d0", NULL, GIT_OBJECT_ANY }, + { "dea509d09", "dea509d097ce692e167dfc6a48a7a280cc5e877e", GIT_OBJECT_BLOB }, + { "dea509d0b", "dea509d0b3cb8ee0650f6ca210bc83f4678851ba", GIT_OBJECT_BLOB }, + { "ce0136250", "ce013625030ba8dba906f756967f9e9ca394464a", GIT_OBJECT_BLOB }, + { "0ddeaded", NULL, GIT_OBJECT_ANY }, + { "4d5979b", "4d5979b468252190cb572ae758aca36928e8a91e", GIT_OBJECT_TREE }, + { "0ddeaded", NULL, GIT_OBJECT_ANY }, + { "0ddeadede", "0ddeadede9e6d6ccddce0ee1e5749eed0485e5ea", GIT_OBJECT_BLOB }, + { "0ddeaded9", "0ddeaded9502971eefe1e41e34d0e536853ae20f", GIT_OBJECT_BLOB }, + { "f00b4e", NULL, GIT_OBJECT_ANY }, + + /* this OID is too short and should be ambiguous! */ + { "f00", NULL, GIT_OBJECT_ANY }, + + /* some full-length object ids */ + { "0000000000000000000000000000000000000000", NULL, GIT_OBJECT_ANY }, + { + "dea509d097ce692e167dfc6a48a7a280cc5e877e", + "dea509d097ce692e167dfc6a48a7a280cc5e877e", + GIT_OBJECT_BLOB + }, + { "f00f00f00f00f00f00f00f00f00f00f00f00f00f", NULL, GIT_OBJECT_ANY }, + { + "4d5979b468252190cb572ae758aca36928e8a91e", + "4d5979b468252190cb572ae758aca36928e8a91e", + GIT_OBJECT_TREE + }, + + /* + * ensure we're not leaking the return error code for the + * last lookup if the last object is invalid + */ + { "0ddeadedfff", NULL, GIT_OBJECT_ANY }, +}; + +static void setup_prefix_query( + git_odb_expand_id **out_ids, + size_t *out_num) +{ + git_odb_expand_id *ids; + size_t num, i; + + num = ARRAY_SIZE(expand_id_test_data); + + cl_assert((ids = git__calloc(num, sizeof(git_odb_expand_id)))); + + for (i = 0; i < num; i++) { + git_odb_expand_id *id = &ids[i]; + + size_t len = strlen(expand_id_test_data[i].lookup_id); + + git_oid_fromstrn(&id->id, expand_id_test_data[i].lookup_id, len); + id->length = (unsigned short)len; + id->type = expand_id_test_data[i].expected_type; + } + + *out_ids = ids; + *out_num = num; +} + +static void assert_found_objects(git_odb_expand_id *ids) +{ + size_t num, i; + + num = ARRAY_SIZE(expand_id_test_data); + + for (i = 0; i < num; i++) { + git_oid expected_id = {{0}}; + size_t expected_len = 0; + git_object_t expected_type = 0; + + if (expand_id_test_data[i].expected_id) { + git_oid_fromstr(&expected_id, expand_id_test_data[i].expected_id); + expected_len = GIT_OID_HEXSZ; + expected_type = expand_id_test_data[i].expected_type; + } + + cl_assert_equal_oid(&expected_id, &ids[i].id); + cl_assert_equal_i(expected_len, ids[i].length); + cl_assert_equal_i(expected_type, ids[i].type); + } +} + +static void assert_notfound_objects(git_odb_expand_id *ids) +{ + git_oid expected_id = {{0}}; + size_t num, i; + + num = ARRAY_SIZE(expand_id_test_data); + + for (i = 0; i < num; i++) { + cl_assert_equal_oid(&expected_id, &ids[i].id); + cl_assert_equal_i(0, ids[i].length); + cl_assert_equal_i(0, ids[i].type); + } +} + +void test_odb_mixed__expand_ids(void) +{ + git_odb_expand_id *ids; + size_t i, num; + + /* test looking for the actual (correct) types */ + + setup_prefix_query(&ids, &num); + cl_git_pass(git_odb_expand_ids(_odb, ids, num)); + assert_found_objects(ids); + git__free(ids); + + /* test looking for an explicit `type == 0` */ + + setup_prefix_query(&ids, &num); + + for (i = 0; i < num; i++) + ids[i].type = 0; + + cl_git_pass(git_odb_expand_ids(_odb, ids, num)); + assert_found_objects(ids); + git__free(ids); + + /* test looking for an explicit GIT_OBJECT_ANY */ + + setup_prefix_query(&ids, &num); + + for (i = 0; i < num; i++) + ids[i].type = GIT_OBJECT_ANY; + + cl_git_pass(git_odb_expand_ids(_odb, ids, num)); + assert_found_objects(ids); + git__free(ids); + + /* test looking for the completely wrong type */ + + setup_prefix_query(&ids, &num); + + for (i = 0; i < num; i++) + ids[i].type = (ids[i].type == GIT_OBJECT_BLOB) ? + GIT_OBJECT_TREE : GIT_OBJECT_BLOB; + + cl_git_pass(git_odb_expand_ids(_odb, ids, num)); + assert_notfound_objects(ids); + git__free(ids); +} + +void test_odb_mixed__expand_ids_cached(void) +{ + git_odb_expand_id *ids; + size_t i, num; + + /* test looking for the actual (correct) types after accessing the object */ + + setup_prefix_query(&ids, &num); + + for (i = 0; i < num; i++) { + git_odb_object *obj; + if (ids[i].type == GIT_OBJECT_ANY) + continue; + cl_git_pass(git_odb_read_prefix(&obj, _odb, &ids[i].id, ids[i].length)); + git_odb_object_free(obj); + } + + cl_git_pass(git_odb_expand_ids(_odb, ids, num)); + assert_found_objects(ids); + git__free(ids); +} |