[libgit2.git] / tests / libgit2 / index / cache.c

#include "clar_libgit2.h"
#include "git2.h"
#include "index.h"
#include "tree-cache.h"

static git_repository *g_repo;

void test_index_cache__initialize(void)
{
	g_repo = cl_git_sandbox_init("testrepo");
}

void test_index_cache__cleanup(void)
{
	cl_git_sandbox_cleanup();
	g_repo = NULL;
}

void test_index_cache__write_extension_at_root(void)
{
	git_index *index;
	git_tree *tree;
	git_oid id;
	const char *tree_id_str = "45dd856fdd4d89b884c340ba0e047752d9b085d6";
	const char *index_file = "index-tree";

	cl_git_pass(git_index_open(&index, index_file));
	cl_assert(index->tree == NULL);
	cl_git_pass(git_oid_fromstr(&id, tree_id_str));
	cl_git_pass(git_tree_lookup(&tree, g_repo, &id));
	cl_git_pass(git_index_read_tree(index, tree));
	git_tree_free(tree);

	cl_assert(index->tree);
	cl_git_pass(git_index_write(index));
	git_index_free(index);

	cl_git_pass(git_index_open(&index, index_file));
	cl_assert(index->tree);

	cl_assert_equal_i(git_index_entrycount(index), index->tree->entry_count);
	cl_assert_equal_i(0, index->tree->children_count);

	cl_assert(git_oid_equal(&id, &index->tree->oid));

	cl_git_pass(p_unlink(index_file));
	git_index_free(index);
}

void test_index_cache__write_extension_invalidated_root(void)
{
	git_index *index;
	git_tree *tree;
	git_oid id;
	const char *tree_id_str = "45dd856fdd4d89b884c340ba0e047752d9b085d6";
	const char *index_file = "index-tree-invalidated";
	git_index_entry entry;

	cl_git_pass(git_index_open(&index, index_file));
	cl_assert(index->tree == NULL);
	cl_git_pass(git_oid_fromstr(&id, tree_id_str));
	cl_git_pass(git_tree_lookup(&tree, g_repo, &id));
	cl_git_pass(git_index_read_tree(index, tree));
	git_tree_free(tree);

	cl_assert(index->tree);

	memset(&entry, 0x0, sizeof(git_index_entry));
	git_oid_cpy(&entry.id, &git_index_get_byindex(index, 0)->id);
	entry.mode = GIT_FILEMODE_BLOB;
	entry.path = "some-new-file.txt";

	cl_git_pass(git_index_add(index, &entry));

	cl_assert_equal_i(-1, index->tree->entry_count);

	cl_git_pass(git_index_write(index));
	git_index_free(index);

	cl_git_pass(git_index_open(&index, index_file));
	cl_assert(index->tree);

	cl_assert_equal_i(-1, index->tree->entry_count);
	cl_assert_equal_i(0, index->tree->children_count);

	cl_assert(git_oid_cmp(&id, &index->tree->oid));

	cl_git_pass(p_unlink(index_file));
	git_index_free(index);
}

void test_index_cache__read_tree_no_children(void)
{
	git_index *index;
	git_index_entry entry;
	git_tree *tree;
	git_oid id;

	cl_git_pass(git_index_new(&index));
	cl_assert(index->tree == NULL);
	cl_git_pass(git_oid_fromstr(&id, "45dd856fdd4d89b884c340ba0e047752d9b085d6"));
	cl_git_pass(git_tree_lookup(&tree, g_repo, &id));
	cl_git_pass(git_index_read_tree(index, tree));
	git_tree_free(tree);

	cl_assert(index->tree);
	cl_assert(git_oid_equal(&id, &index->tree->oid));
	cl_assert_equal_i(0, index->tree->children_count);
	cl_assert_equal_i(git_index_entrycount(index), index->tree->entry_count);

	memset(&entry, 0x0, sizeof(git_index_entry));
	entry.path = "new.txt";
	entry.mode = GIT_FILEMODE_BLOB;
	git_oid_fromstr(&entry.id, "d4bcc68acd4410bf836a39f20afb2c2ece09584e");

	cl_git_pass(git_index_add(index, &entry));
	cl_assert_equal_i(-1, index->tree->entry_count);

	git_index_free(index);
}

void test_index_cache__two_levels(void)
{
	git_tree *tree;
	git_oid tree_id;
	git_index *index;
	git_index_entry entry;
	const git_tree_cache *tree_cache;

	cl_git_pass(git_repository_index(&index, g_repo));
	cl_git_pass(git_index_clear(index));

	memset(&entry, 0x0, sizeof(entry));
	entry.mode = GIT_FILEMODE_BLOB;
	cl_git_pass(git_oid_fromstr(&entry.id, "a8233120f6ad708f843d861ce2b7228ec4e3dec6"));
	entry.path = "top-level.txt";
	cl_git_pass(git_index_add(index, &entry));

	entry.path = "subdir/file.txt";
	cl_git_pass(git_index_add(index, &entry));

	/* the read-tree fills the tree cache */
	cl_git_pass(git_index_write_tree(&tree_id, index));
	cl_git_pass(git_tree_lookup(&tree, g_repo, &tree_id));
	cl_git_pass(git_index_read_tree(index, tree));
	git_tree_free(tree);
	cl_git_pass(git_index_write(index));

	/* we now must have cache entries for "" and "subdir" */
	cl_assert(index->tree);
	cl_assert(git_tree_cache_get(index->tree, "subdir"));

	cl_git_pass(git_index_read(index, true));
	/* we must still have cache entries for "" and "subdir", since we wrote it out */
	cl_assert(index->tree);
	cl_assert(git_tree_cache_get(index->tree, "subdir"));

	entry.path = "top-level.txt";
	cl_git_pass(git_oid_fromstr(&entry.id, "3697d64be941a53d4ae8f6a271e4e3fa56b022cc"));
	cl_git_pass(git_index_add(index, &entry));

	/* writ out the index after we invalidate the root */
	cl_git_pass(git_index_write(index));
	cl_git_pass(git_index_read(index, true));

	/* the cache for the subtree must still be valid, even if the root isn't */
	cl_assert(index->tree);
	cl_assert_equal_i(-1, index->tree->entry_count);
	cl_assert_equal_i(1, index->tree->children_count);
	tree_cache = git_tree_cache_get(index->tree, "subdir");
	cl_assert(tree_cache);
	cl_assert_equal_i(1, tree_cache->entry_count);

	git_index_free(index);
}

void test_index_cache__read_tree_children(void)
{
	git_index *index;
	git_index_entry entry;
	git_tree *tree;
	const git_tree_cache *cache;
	git_oid tree_id;

	cl_git_pass(git_repository_index(&index, g_repo));
	cl_git_pass(git_index_clear(index));
	cl_assert(index->tree == NULL);


	/* add a bunch of entries at different levels */
	memset(&entry, 0x0, sizeof(git_index_entry));
	entry.path = "top-level";
	entry.mode = GIT_FILEMODE_BLOB;
	git_oid_fromstr(&entry.id, "ee3fa1b8c00aff7fe02065fdb50864bb0d932ccf");
	cl_git_pass(git_index_add(index, &entry));


	entry.path = "subdir/some-file";
	cl_git_pass(git_index_add(index, &entry));

	entry.path = "subdir/even-deeper/some-file";
	cl_git_pass(git_index_add(index, &entry));

	entry.path = "subdir2/some-file";
	cl_git_pass(git_index_add(index, &entry));

	cl_git_pass(git_index_write_tree(&tree_id, index));
	cl_git_pass(git_index_clear(index));
	cl_assert(index->tree == NULL);

	cl_git_pass(git_tree_lookup(&tree, g_repo, &tree_id));
	cl_git_pass(git_index_read_tree(index, tree));
	git_tree_free(tree);

	cl_assert(index->tree);
	cl_assert_equal_i(2, index->tree->children_count);

	/* override with a slightly different id, also dummy */
	entry.path = "subdir/some-file";
	git_oid_fromstr(&entry.id, "ee3fa1b8c00aff7fe02065fdb50864bb0d932ccf");
	cl_git_pass(git_index_add(index, &entry));

	cl_assert_equal_i(-1, index->tree->entry_count);

	cache = git_tree_cache_get(index->tree, "subdir");
	cl_assert(cache);
	cl_assert_equal_i(-1, cache->entry_count);

	cache = git_tree_cache_get(index->tree, "subdir/even-deeper");
	cl_assert(cache);
	cl_assert_equal_i(1, cache->entry_count);

	cache = git_tree_cache_get(index->tree, "subdir2");
	cl_assert(cache);
	cl_assert_equal_i(1, cache->entry_count);

	git_index_free(index);
}
Commit	Line	Data
ee4db1c1 CMN	1	#include "clar_libgit2.h"
	2	#include "git2.h"
	3	#include "index.h"
	4	#include "tree-cache.h"
	5
	6	static git_repository *g_repo;
	7
	8	void test_index_cache__initialize(void)
	9	{
	10	g_repo = cl_git_sandbox_init("testrepo");
	11	}
	12
	13	void test_index_cache__cleanup(void)
	14	{
	15	cl_git_sandbox_cleanup();
	16	g_repo = NULL;
	17	}
	18
c2f8b215 CMN	19	void test_index_cache__write_extension_at_root(void)
	20	{
	21	git_index *index;
	22	git_tree *tree;
	23	git_oid id;
	24	const char *tree_id_str = "45dd856fdd4d89b884c340ba0e047752d9b085d6";
	25	const char *index_file = "index-tree";
	26
	27	cl_git_pass(git_index_open(&index, index_file));
	28	cl_assert(index->tree == NULL);
	29	cl_git_pass(git_oid_fromstr(&id, tree_id_str));
	30	cl_git_pass(git_tree_lookup(&tree, g_repo, &id));
	31	cl_git_pass(git_index_read_tree(index, tree));
	32	git_tree_free(tree);
	33
	34	cl_assert(index->tree);
	35	cl_git_pass(git_index_write(index));
	36	git_index_free(index);
	37
	38	cl_git_pass(git_index_open(&index, index_file));
	39	cl_assert(index->tree);
	40
bb0757d5	41	cl_assert_equal_i(git_index_entrycount(index), index->tree->entry_count);
c2f8b215 CMN	42	cl_assert_equal_i(0, index->tree->children_count);
	43
	44	cl_assert(git_oid_equal(&id, &index->tree->oid));
	45
	46	cl_git_pass(p_unlink(index_file));
	47	git_index_free(index);
	48	}
	49
	50	void test_index_cache__write_extension_invalidated_root(void)
	51	{
	52	git_index *index;
	53	git_tree *tree;
	54	git_oid id;
	55	const char *tree_id_str = "45dd856fdd4d89b884c340ba0e047752d9b085d6";
	56	const char *index_file = "index-tree-invalidated";
	57	git_index_entry entry;
	58
	59	cl_git_pass(git_index_open(&index, index_file));
	60	cl_assert(index->tree == NULL);
	61	cl_git_pass(git_oid_fromstr(&id, tree_id_str));
	62	cl_git_pass(git_tree_lookup(&tree, g_repo, &id));
	63	cl_git_pass(git_index_read_tree(index, tree));
	64	git_tree_free(tree);
	65
	66	cl_assert(index->tree);
	67
	68	memset(&entry, 0x0, sizeof(git_index_entry));
	69	git_oid_cpy(&entry.id, &git_index_get_byindex(index, 0)->id);
	70	entry.mode = GIT_FILEMODE_BLOB;
	71	entry.path = "some-new-file.txt";
	72
	73	cl_git_pass(git_index_add(index, &entry));
	74
	75	cl_assert_equal_i(-1, index->tree->entry_count);
	76
	77	cl_git_pass(git_index_write(index));
	78	git_index_free(index);
	79
	80	cl_git_pass(git_index_open(&index, index_file));
	81	cl_assert(index->tree);
	82
	83	cl_assert_equal_i(-1, index->tree->entry_count);
	84	cl_assert_equal_i(0, index->tree->children_count);
	85
	86	cl_assert(git_oid_cmp(&id, &index->tree->oid));
	87
	88	cl_git_pass(p_unlink(index_file));
	89	git_index_free(index);
	90	}
	91
ee4db1c1 CMN	92	void test_index_cache__read_tree_no_children(void)
	93	{
	94	git_index *index;
	95	git_index_entry entry;
	96	git_tree *tree;
	97	git_oid id;
	98
	99	cl_git_pass(git_index_new(&index));
	100	cl_assert(index->tree == NULL);
	101	cl_git_pass(git_oid_fromstr(&id, "45dd856fdd4d89b884c340ba0e047752d9b085d6"));
	102	cl_git_pass(git_tree_lookup(&tree, g_repo, &id));
	103	cl_git_pass(git_index_read_tree(index, tree));
	104	git_tree_free(tree);
	105
	106	cl_assert(index->tree);
	107	cl_assert(git_oid_equal(&id, &index->tree->oid));
	108	cl_assert_equal_i(0, index->tree->children_count);
bb0757d5	109	cl_assert_equal_i(git_index_entrycount(index), index->tree->entry_count);
ee4db1c1 CMN	110
	111	memset(&entry, 0x0, sizeof(git_index_entry));
	112	entry.path = "new.txt";
	113	entry.mode = GIT_FILEMODE_BLOB;
4afe536b	114	git_oid_fromstr(&entry.id, "d4bcc68acd4410bf836a39f20afb2c2ece09584e");
ee4db1c1 CMN	115
ee4db1c1 CMN	116	cl_git_pass(git_index_add(index, &entry));
c2f8b215	117	cl_assert_equal_i(-1, index->tree->entry_count);
ee4db1c1 CMN	118
	119	git_index_free(index);
	120	}
	121
795d8e93 CMN	122	void test_index_cache__two_levels(void)
	123	{
	124	git_tree *tree;
	125	git_oid tree_id;
	126	git_index *index;
	127	git_index_entry entry;
	128	const git_tree_cache *tree_cache;
	129
	130	cl_git_pass(git_repository_index(&index, g_repo));
	131	cl_git_pass(git_index_clear(index));
	132
	133	memset(&entry, 0x0, sizeof(entry));
	134	entry.mode = GIT_FILEMODE_BLOB;
	135	cl_git_pass(git_oid_fromstr(&entry.id, "a8233120f6ad708f843d861ce2b7228ec4e3dec6"));
	136	entry.path = "top-level.txt";
	137	cl_git_pass(git_index_add(index, &entry));
	138
	139	entry.path = "subdir/file.txt";
	140	cl_git_pass(git_index_add(index, &entry));
	141
	142	/* the read-tree fills the tree cache */
	143	cl_git_pass(git_index_write_tree(&tree_id, index));
	144	cl_git_pass(git_tree_lookup(&tree, g_repo, &tree_id));
	145	cl_git_pass(git_index_read_tree(index, tree));
	146	git_tree_free(tree);
	147	cl_git_pass(git_index_write(index));
	148
	149	/* we now must have cache entries for "" and "subdir" */
	150	cl_assert(index->tree);
	151	cl_assert(git_tree_cache_get(index->tree, "subdir"));
	152
	153	cl_git_pass(git_index_read(index, true));
	154	/* we must still have cache entries for "" and "subdir", since we wrote it out */
	155	cl_assert(index->tree);
	156	cl_assert(git_tree_cache_get(index->tree, "subdir"));
	157
	158	entry.path = "top-level.txt";
	159	cl_git_pass(git_oid_fromstr(&entry.id, "3697d64be941a53d4ae8f6a271e4e3fa56b022cc"));
	160	cl_git_pass(git_index_add(index, &entry));
	161
	162	/* writ out the index after we invalidate the root */
	163	cl_git_pass(git_index_write(index));
	164	cl_git_pass(git_index_read(index, true));
	165
	166	/* the cache for the subtree must still be valid, even if the root isn't */
	167	cl_assert(index->tree);
	168	cl_assert_equal_i(-1, index->tree->entry_count);
	169	cl_assert_equal_i(1, index->tree->children_count);
	170	tree_cache = git_tree_cache_get(index->tree, "subdir");
	171	cl_assert(tree_cache);
bb0757d5	172	cl_assert_equal_i(1, tree_cache->entry_count);
cdd71711 ET	173
cdd71711 ET	174	git_index_free(index);
795d8e93 CMN	175	}
795d8e93 CMN	176
ee4db1c1 CMN	177	void test_index_cache__read_tree_children(void)
	178	{
	179	git_index *index;
	180	git_index_entry entry;
	181	git_tree *tree;
	182	const git_tree_cache *cache;
	183	git_oid tree_id;
	184
	185	cl_git_pass(git_repository_index(&index, g_repo));
	186	cl_git_pass(git_index_clear(index));
	187	cl_assert(index->tree == NULL);
	188
	189
	190	/* add a bunch of entries at different levels */
	191	memset(&entry, 0x0, sizeof(git_index_entry));
	192	entry.path = "top-level";
	193	entry.mode = GIT_FILEMODE_BLOB;
4afe536b	194	git_oid_fromstr(&entry.id, "ee3fa1b8c00aff7fe02065fdb50864bb0d932ccf");
ee4db1c1 CMN	195	cl_git_pass(git_index_add(index, &entry));
	196
	197
	198	entry.path = "subdir/some-file";
	199	cl_git_pass(git_index_add(index, &entry));
	200
	201	entry.path = "subdir/even-deeper/some-file";
	202	cl_git_pass(git_index_add(index, &entry));
	203
	204	entry.path = "subdir2/some-file";
	205	cl_git_pass(git_index_add(index, &entry));
	206
	207	cl_git_pass(git_index_write_tree(&tree_id, index));
	208	cl_git_pass(git_index_clear(index));
	209	cl_assert(index->tree == NULL);
	210
	211	cl_git_pass(git_tree_lookup(&tree, g_repo, &tree_id));
	212	cl_git_pass(git_index_read_tree(index, tree));
	213	git_tree_free(tree);
	214
	215	cl_assert(index->tree);
	216	cl_assert_equal_i(2, index->tree->children_count);
	217
	218	/* override with a slightly different id, also dummy */
	219	entry.path = "subdir/some-file";
4afe536b	220	git_oid_fromstr(&entry.id, "ee3fa1b8c00aff7fe02065fdb50864bb0d932ccf");
ee4db1c1 CMN	221	cl_git_pass(git_index_add(index, &entry));
ee4db1c1 CMN	222
c2f8b215	223	cl_assert_equal_i(-1, index->tree->entry_count);
ee4db1c1 CMN	224
	225	cache = git_tree_cache_get(index->tree, "subdir");
	226	cl_assert(cache);
c2f8b215	227	cl_assert_equal_i(-1, cache->entry_count);
ee4db1c1 CMN	228
	229	cache = git_tree_cache_get(index->tree, "subdir/even-deeper");
	230	cl_assert(cache);
bb0757d5	231	cl_assert_equal_i(1, cache->entry_count);
ee4db1c1 CMN	232
	233	cache = git_tree_cache_get(index->tree, "subdir2");
	234	cl_assert(cache);
bb0757d5	235	cl_assert_equal_i(1, cache->entry_count);
ee4db1c1 CMN	236
	237	git_index_free(index);
	238	}