[libgit2.git] / tests / stress / diff.c

#include "clar_libgit2.h"
#include "../diff/diff_helpers.h"

static git_repository *g_repo = NULL;

void test_stress_diff__initialize(void)
{
}

void test_stress_diff__cleanup(void)
{
	cl_git_sandbox_cleanup();
}

#define ANOTHER_POEM \
"OH, glorious are the guarded heights\nWhere guardian souls abide—\nSelf-exiled from our gross delights—\nAbove, beyond, outside:\nAn ampler arc their spirit swings—\nCommands a juster view—\nWe have their word for all these things,\nNo doubt their words are true.\n\nYet we, the bond slaves of our day,\nWhom dirt and danger press—\nCo-heirs of insolence, delay,\nAnd leagued unfaithfulness—\nSuch is our need must seek indeed\nAnd, having found, engage\nThe men who merely do the work\nFor which they draw the wage.\n\nFrom forge and farm and mine and bench,\nDeck, altar, outpost lone—\nMill, school, battalion, counter, trench,\nRail, senate, sheepfold, throne—\nCreation's cry goes up on high\nFrom age to cheated age:\n\"Send us the men who do the work\n\"For which they draw the wage!\"\n"

static void test_with_many(int expected_new)
{
	git_index *index;
	git_tree *tree, *new_tree;
	git_diff *diff = NULL;
	diff_expects exp;
	git_diff_options diffopts = GIT_DIFF_OPTIONS_INIT;
	git_diff_find_options opts = GIT_DIFF_FIND_OPTIONS_INIT;

	cl_git_pass(git_repository_index(&index, g_repo));
	cl_git_pass(
		git_revparse_single((git_object **)&tree, g_repo, "HEAD^{tree}"));

	cl_git_pass(p_rename("renames/ikeepsix.txt", "renames/ikeepsix2.txt"));
	cl_git_pass(git_index_remove_bypath(index, "ikeepsix.txt"));
	cl_git_pass(git_index_add_bypath(index, "ikeepsix2.txt"));
	cl_git_pass(git_index_write(index));

	cl_git_pass(git_diff_tree_to_index(&diff, g_repo, tree, index, &diffopts));

	memset(&exp, 0, sizeof(exp));
	cl_git_pass(git_diff_foreach(
		diff, diff_file_cb, NULL, NULL, NULL, &exp));
	cl_assert_equal_i(1, exp.file_status[GIT_DELTA_DELETED]);
	cl_assert_equal_i(expected_new + 1, exp.file_status[GIT_DELTA_ADDED]);
	cl_assert_equal_i(expected_new + 2, exp.files);

	opts.flags = GIT_DIFF_FIND_ALL;
	cl_git_pass(git_diff_find_similar(diff, &opts));

	memset(&exp, 0, sizeof(exp));
	cl_git_pass(git_diff_foreach(
		diff, diff_file_cb, NULL, NULL, NULL, &exp));
	cl_assert_equal_i(1, exp.file_status[GIT_DELTA_RENAMED]);
	cl_assert_equal_i(expected_new, exp.file_status[GIT_DELTA_ADDED]);
	cl_assert_equal_i(expected_new + 1, exp.files);

	git_diff_free(diff);

	cl_repo_commit_from_index(NULL, g_repo, NULL, 1372350000, "yoyoyo");
	cl_git_pass(git_revparse_single(
		(git_object **)&new_tree, g_repo, "HEAD^{tree}"));

	cl_git_pass(git_diff_tree_to_tree(
		&diff, g_repo, tree, new_tree, &diffopts));

	memset(&exp, 0, sizeof(exp));
	cl_git_pass(git_diff_foreach(
		diff, diff_file_cb, NULL, NULL, NULL, &exp));
	cl_assert_equal_i(1, exp.file_status[GIT_DELTA_DELETED]);
	cl_assert_equal_i(expected_new + 1, exp.file_status[GIT_DELTA_ADDED]);
	cl_assert_equal_i(expected_new + 2, exp.files);

	opts.flags = GIT_DIFF_FIND_ALL;
	cl_git_pass(git_diff_find_similar(diff, &opts));

	memset(&exp, 0, sizeof(exp));
	cl_git_pass(git_diff_foreach(
		diff, diff_file_cb, NULL, NULL, NULL, &exp));
	cl_assert_equal_i(1, exp.file_status[GIT_DELTA_RENAMED]);
	cl_assert_equal_i(expected_new, exp.file_status[GIT_DELTA_ADDED]);
	cl_assert_equal_i(expected_new + 1, exp.files);

	git_diff_free(diff);

	git_tree_free(new_tree);
	git_tree_free(tree);
	git_index_free(index);
}

void test_stress_diff__rename_big_files(void)
{
	git_index *index;
	char tmp[64];
	int i, j;
	git_buf b = GIT_BUF_INIT;

	g_repo = cl_git_sandbox_init("renames");

	cl_git_pass(git_repository_index(&index, g_repo));

	for (i = 0; i < 100; i += 1) {
		p_snprintf(tmp, sizeof(tmp), "renames/newfile%03d", i);
		for (j = i * 256; j > 0; --j)
			git_buf_printf(&b, "more content %d\n", i);
		cl_git_mkfile(tmp, b.ptr);
	}

	for (i = 0; i < 100; i += 1) {
		p_snprintf(tmp, sizeof(tmp), "renames/newfile%03d", i);
		cl_git_pass(git_index_add_bypath(index, tmp + strlen("renames/")));
	}

	git_buf_dispose(&b);
	git_index_free(index);

	test_with_many(100);
}

void test_stress_diff__rename_many_files(void)
{
	git_index *index;
	char tmp[64];
	int i;
	git_buf b = GIT_BUF_INIT;

	g_repo = cl_git_sandbox_init("renames");

	cl_git_pass(git_repository_index(&index, g_repo));

	git_buf_printf(&b, "%08d\n" ANOTHER_POEM "%08d\n" ANOTHER_POEM ANOTHER_POEM, 0, 0);

	for (i = 0; i < 2500; i += 1) {
		p_snprintf(tmp, sizeof(tmp), "renames/newfile%03d", i);
		p_snprintf(b.ptr, 9, "%08d", i);
		b.ptr[8] = '\n';
		cl_git_mkfile(tmp, b.ptr);
	}
	git_buf_dispose(&b);

	for (i = 0; i < 2500; i += 1) {
		p_snprintf(tmp, sizeof(tmp), "renames/newfile%03d", i);
		cl_git_pass(git_index_add_bypath(index, tmp + strlen("renames/")));
	}

	git_index_free(index);

	test_with_many(2500);
}
Commit	Line	Data
e8242022 RB	1	#include "clar_libgit2.h"
	2	#include "../diff/diff_helpers.h"
	3
	4	static git_repository *g_repo = NULL;
	5
	6	void test_stress_diff__initialize(void)
	7	{
	8	}
	9
	10	void test_stress_diff__cleanup(void)
	11	{
	12	cl_git_sandbox_cleanup();
	13	}
	14
	15	#define ANOTHER_POEM \
	16	"OH, glorious are the guarded heights\nWhere guardian souls abide—\nSelf-exiled from our gross delights—\nAbove, beyond, outside:\nAn ampler arc their spirit swings—\nCommands a juster view—\nWe have their word for all these things,\nNo doubt their words are true.\n\nYet we, the bond slaves of our day,\nWhom dirt and danger press—\nCo-heirs of insolence, delay,\nAnd leagued unfaithfulness—\nSuch is our need must seek indeed\nAnd, having found, engage\nThe men who merely do the work\nFor which they draw the wage.\n\nFrom forge and farm and mine and bench,\nDeck, altar, outpost lone—\nMill, school, battalion, counter, trench,\nRail, senate, sheepfold, throne—\nCreation's cry goes up on high\nFrom age to cheated age:\n\"Send us the men who do the work\n\"For which they draw the wage!\"\n"
	17
b6ac07b5	18	static void test_with_many(int expected_new)
e8242022 RB	19	{
	20	git_index *index;
	21	git_tree tree, new_tree;
3ff1d123	22	git_diff *diff = NULL;
e8242022 RB	23	diff_expects exp;
	24	git_diff_options diffopts = GIT_DIFF_OPTIONS_INIT;
	25	git_diff_find_options opts = GIT_DIFF_FIND_OPTIONS_INIT;
	26
	27	cl_git_pass(git_repository_index(&index, g_repo));
	28	cl_git_pass(
	29	git_revparse_single((git_object **)&tree, g_repo, "HEAD^{tree}"));
	30
	31	cl_git_pass(p_rename("renames/ikeepsix.txt", "renames/ikeepsix2.txt"));
	32	cl_git_pass(git_index_remove_bypath(index, "ikeepsix.txt"));
	33	cl_git_pass(git_index_add_bypath(index, "ikeepsix2.txt"));
	34	cl_git_pass(git_index_write(index));
	35
	36	cl_git_pass(git_diff_tree_to_index(&diff, g_repo, tree, index, &diffopts));
	37
	38	memset(&exp, 0, sizeof(exp));
	39	cl_git_pass(git_diff_foreach(
8147b1af	40	diff, diff_file_cb, NULL, NULL, NULL, &exp));
e8242022 RB	41	cl_assert_equal_i(1, exp.file_status[GIT_DELTA_DELETED]);
	42	cl_assert_equal_i(expected_new + 1, exp.file_status[GIT_DELTA_ADDED]);
	43	cl_assert_equal_i(expected_new + 2, exp.files);
	44
	45	opts.flags = GIT_DIFF_FIND_ALL;
	46	cl_git_pass(git_diff_find_similar(diff, &opts));
	47
	48	memset(&exp, 0, sizeof(exp));
	49	cl_git_pass(git_diff_foreach(
8147b1af	50	diff, diff_file_cb, NULL, NULL, NULL, &exp));
e8242022 RB	51	cl_assert_equal_i(1, exp.file_status[GIT_DELTA_RENAMED]);
	52	cl_assert_equal_i(expected_new, exp.file_status[GIT_DELTA_ADDED]);
	53	cl_assert_equal_i(expected_new + 1, exp.files);
	54
3ff1d123	55	git_diff_free(diff);
e8242022	56
155fa234 RB	57	cl_repo_commit_from_index(NULL, g_repo, NULL, 1372350000, "yoyoyo");
	58	cl_git_pass(git_revparse_single(
	59	(git_object **)&new_tree, g_repo, "HEAD^{tree}"));
e8242022 RB	60
	61	cl_git_pass(git_diff_tree_to_tree(
	62	&diff, g_repo, tree, new_tree, &diffopts));
	63
	64	memset(&exp, 0, sizeof(exp));
	65	cl_git_pass(git_diff_foreach(
8147b1af	66	diff, diff_file_cb, NULL, NULL, NULL, &exp));
e8242022 RB	67	cl_assert_equal_i(1, exp.file_status[GIT_DELTA_DELETED]);
	68	cl_assert_equal_i(expected_new + 1, exp.file_status[GIT_DELTA_ADDED]);
	69	cl_assert_equal_i(expected_new + 2, exp.files);
	70
	71	opts.flags = GIT_DIFF_FIND_ALL;
	72	cl_git_pass(git_diff_find_similar(diff, &opts));
	73
	74	memset(&exp, 0, sizeof(exp));
	75	cl_git_pass(git_diff_foreach(
8147b1af	76	diff, diff_file_cb, NULL, NULL, NULL, &exp));
e8242022 RB	77	cl_assert_equal_i(1, exp.file_status[GIT_DELTA_RENAMED]);
	78	cl_assert_equal_i(expected_new, exp.file_status[GIT_DELTA_ADDED]);
	79	cl_assert_equal_i(expected_new + 1, exp.files);
	80
3ff1d123	81	git_diff_free(diff);
e8242022 RB	82
	83	git_tree_free(new_tree);
	84	git_tree_free(tree);
	85	git_index_free(index);
	86	}
	87
	88	void test_stress_diff__rename_big_files(void)
	89	{
	90	git_index *index;
	91	char tmp[64];
	92	int i, j;
	93	git_buf b = GIT_BUF_INIT;
	94
	95	g_repo = cl_git_sandbox_init("renames");
	96
	97	cl_git_pass(git_repository_index(&index, g_repo));
	98
	99	for (i = 0; i < 100; i += 1) {
c7dd0a56	100	p_snprintf(tmp, sizeof(tmp), "renames/newfile%03d", i);
e8242022 RB	101	for (j = i * 256; j > 0; --j)
	102	git_buf_printf(&b, "more content %d\n", i);
	103	cl_git_mkfile(tmp, b.ptr);
	104	}
	105
	106	for (i = 0; i < 100; i += 1) {
c7dd0a56	107	p_snprintf(tmp, sizeof(tmp), "renames/newfile%03d", i);
e8242022 RB	108	cl_git_pass(git_index_add_bypath(index, tmp + strlen("renames/")));
	109	}
	110
ac3d33df	111	git_buf_dispose(&b);
e8242022 RB	112	git_index_free(index);
	113
	114	test_with_many(100);
	115	}
	116
	117	void test_stress_diff__rename_many_files(void)
	118	{
	119	git_index *index;
	120	char tmp[64];
	121	int i;
	122	git_buf b = GIT_BUF_INIT;
	123
	124	g_repo = cl_git_sandbox_init("renames");
	125
	126	cl_git_pass(git_repository_index(&index, g_repo));
	127
	128	git_buf_printf(&b, "%08d\n" ANOTHER_POEM "%08d\n" ANOTHER_POEM ANOTHER_POEM, 0, 0);
	129
	130	for (i = 0; i < 2500; i += 1) {
c7dd0a56 JG	131	p_snprintf(tmp, sizeof(tmp), "renames/newfile%03d", i);
c7dd0a56 JG	132	p_snprintf(b.ptr, 9, "%08d", i);
e8242022 RB	133	b.ptr[8] = '\n';
	134	cl_git_mkfile(tmp, b.ptr);
	135	}
ac3d33df	136	git_buf_dispose(&b);
e8242022 RB	137
e8242022 RB	138	for (i = 0; i < 2500; i += 1) {
c7dd0a56	139	p_snprintf(tmp, sizeof(tmp), "renames/newfile%03d", i);
e8242022 RB	140	cl_git_pass(git_index_add_bypath(index, tmp + strlen("renames/")));
	141	}
	142
	143	git_index_free(index);
	144
	145	test_with_many(2500);
	146	}