[libgit2.git] / tests / libgit2 / filter / crlf.c

#include "clar_libgit2.h"
#include "git2/sys/filter.h"

static git_repository *g_repo = NULL;

void test_filter_crlf__initialize(void)
{
	g_repo = cl_git_sandbox_init("crlf");

	cl_git_mkfile("crlf/.gitattributes",
		"*.txt text\n*.bin binary\n*.crlf text eol=crlf\n*.lf text eol=lf\n");

	cl_repo_set_bool(g_repo, "core.autocrlf", true);
}

void test_filter_crlf__cleanup(void)
{
	cl_git_sandbox_cleanup();
}

void test_filter_crlf__to_worktree(void)
{
	git_filter_list *fl;
	git_filter *crlf;
	git_buf out = GIT_BUF_INIT;
	const char *in;
	size_t in_len;

	cl_git_pass(git_filter_list_new(
		&fl, g_repo, GIT_FILTER_TO_WORKTREE, 0));

	crlf = git_filter_lookup(GIT_FILTER_CRLF);
	cl_assert(crlf != NULL);

	cl_git_pass(git_filter_list_push(fl, crlf, NULL));

	in = "Some text\nRight here\n";
	in_len = strlen(in);

	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, in, in_len));

	cl_assert_equal_s("Some text\r\nRight here\r\n", out.ptr);

	git_filter_list_free(fl);
	git_buf_dispose(&out);
}

void test_filter_crlf__to_odb(void)
{
	git_filter_list *fl;
	git_filter *crlf;
	git_buf out = GIT_BUF_INIT;
	const char *in;
	size_t in_len;

	cl_git_pass(git_filter_list_new(
		&fl, g_repo, GIT_FILTER_TO_ODB, 0));

	crlf = git_filter_lookup(GIT_FILTER_CRLF);
	cl_assert(crlf != NULL);

	cl_git_pass(git_filter_list_push(fl, crlf, NULL));

	in = "Some text\r\nRight here\r\n";
	in_len = strlen(in);

	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, in, in_len));

	cl_assert_equal_s("Some text\nRight here\n", out.ptr);

	git_filter_list_free(fl);
	git_buf_dispose(&out);
}

void test_filter_crlf__with_safecrlf(void)
{
	git_filter_list *fl;
	git_filter *crlf;
	git_buf out = GIT_BUF_INIT;
	const char *in;
	size_t in_len;

	cl_repo_set_bool(g_repo, "core.safecrlf", true);

	cl_git_pass(git_filter_list_new(
		&fl, g_repo, GIT_FILTER_TO_ODB, 0));

	crlf = git_filter_lookup(GIT_FILTER_CRLF);
	cl_assert(crlf != NULL);

	cl_git_pass(git_filter_list_push(fl, crlf, NULL));

	/* Normalized \r\n succeeds with safecrlf */
	in = "Normal\r\nCRLF\r\nline-endings.\r\n";
	in_len = strlen(in);

	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
	cl_assert_equal_s("Normal\nCRLF\nline-endings.\n", out.ptr);

	/* Mix of line endings fails with safecrlf */
	in = "Mixed\nup\r\nLF\nand\r\nCRLF\nline-endings.\r\n";
	in_len = strlen(in);

	cl_git_fail(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
	cl_assert_equal_i(git_error_last()->klass, GIT_ERROR_FILTER);

	/* Normalized \n fails for autocrlf=true when safecrlf=true */
	in = "Normal\nLF\nonly\nline-endings.\n";
	in_len = strlen(in);

	cl_git_fail(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
	cl_assert_equal_i(git_error_last()->klass, GIT_ERROR_FILTER);

	/* String with \r but without \r\n does not fail with safecrlf */
	in = "Normal\nCR only\rand some more\nline-endings.\n";
	in_len = strlen(in);

	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
	cl_assert_equal_s("Normal\nCR only\rand some more\nline-endings.\n", out.ptr);

	git_filter_list_free(fl);
	git_buf_dispose(&out);
}

void test_filter_crlf__with_safecrlf_and_unsafe_allowed(void)
{
	git_filter_list *fl;
	git_filter *crlf;
	git_buf out = GIT_BUF_INIT;
	const char *in;
	size_t in_len;

	cl_repo_set_bool(g_repo, "core.safecrlf", true);

	cl_git_pass(git_filter_list_new(
		&fl, g_repo, GIT_FILTER_TO_ODB, GIT_FILTER_ALLOW_UNSAFE));

	crlf = git_filter_lookup(GIT_FILTER_CRLF);
	cl_assert(crlf != NULL);

	cl_git_pass(git_filter_list_push(fl, crlf, NULL));

	/* Normalized \r\n succeeds with safecrlf */
	in = "Normal\r\nCRLF\r\nline-endings.\r\n";
	in_len = strlen(in);

	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
	cl_assert_equal_s("Normal\nCRLF\nline-endings.\n", out.ptr);

	/* Mix of line endings fails with safecrlf, but allowed to pass */
	in = "Mixed\nup\r\nLF\nand\r\nCRLF\nline-endings.\r\n";
	in_len = strlen(in);

	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
	/* TODO: check for warning */
	cl_assert_equal_s("Mixed\nup\nLF\nand\nCRLF\nline-endings.\n", out.ptr);

	/* Normalized \n fails with safecrlf, but allowed to pass */
	in = "Normal\nLF\nonly\nline-endings.\n";
	in_len = strlen(in);

	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
	/* TODO: check for warning */
	cl_assert_equal_s("Normal\nLF\nonly\nline-endings.\n", out.ptr);

	git_filter_list_free(fl);
	git_buf_dispose(&out);
}

void test_filter_crlf__no_safecrlf(void)
{
	git_filter_list *fl;
	git_filter *crlf;
	git_buf out = GIT_BUF_INIT;
	const char *in;
	size_t in_len;

	cl_git_pass(git_filter_list_new(
		&fl, g_repo, GIT_FILTER_TO_ODB, 0));

	crlf = git_filter_lookup(GIT_FILTER_CRLF);
	cl_assert(crlf != NULL);

	cl_git_pass(git_filter_list_push(fl, crlf, NULL));

	/* Normalized \r\n succeeds with safecrlf */
	in = "Normal\r\nCRLF\r\nline-endings.\r\n";
	in_len = strlen(in);

	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
	cl_assert_equal_s("Normal\nCRLF\nline-endings.\n", out.ptr);

	/* Mix of line endings fails with safecrlf */
	in = "Mixed\nup\r\nLF\nand\r\nCRLF\nline-endings.\r\n";
	in_len = strlen(in);

	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
	cl_assert_equal_s("Mixed\nup\nLF\nand\nCRLF\nline-endings.\n", out.ptr);

	/* Normalized \n fails with safecrlf */
	in = "Normal\nLF\nonly\nline-endings.\n";
	in_len = strlen(in);

	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
	cl_assert_equal_s("Normal\nLF\nonly\nline-endings.\n", out.ptr);

	git_filter_list_free(fl);
	git_buf_dispose(&out);
}

void test_filter_crlf__safecrlf_warn(void)
{
	git_filter_list *fl;
	git_filter *crlf;
	git_buf out = GIT_BUF_INIT;
	const char *in;
	size_t in_len;

	cl_repo_set_string(g_repo, "core.safecrlf", "warn");

	cl_git_pass(git_filter_list_new(
		&fl, g_repo, GIT_FILTER_TO_ODB, 0));

	crlf = git_filter_lookup(GIT_FILTER_CRLF);
	cl_assert(crlf != NULL);

	cl_git_pass(git_filter_list_push(fl, crlf, NULL));

	/* Normalized \r\n succeeds with safecrlf=warn */
	in = "Normal\r\nCRLF\r\nline-endings.\r\n";
	in_len = strlen(in);

	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
	cl_assert_equal_s("Normal\nCRLF\nline-endings.\n", out.ptr);

	/* Mix of line endings succeeds with safecrlf=warn */
	in = "Mixed\nup\r\nLF\nand\r\nCRLF\nline-endings.\r\n";
	in_len = strlen(in);

	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
	/* TODO: check for warning */
	cl_assert_equal_s("Mixed\nup\nLF\nand\nCRLF\nline-endings.\n", out.ptr);

	/* Normalized \n is reversible, so does not fail with safecrlf=warn */
	in = "Normal\nLF\nonly\nline-endings.\n";
	in_len = strlen(in);

	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
	cl_assert_equal_s(in, out.ptr);

	git_filter_list_free(fl);
	git_buf_dispose(&out);
}
Commit	Line	Data
	1	#include "clar_libgit2.h"
	2	#include "git2/sys/filter.h"
	3
	4	static git_repository *g_repo = NULL;
	5
	6	void test_filter_crlf__initialize(void)
	7	{
	8	g_repo = cl_git_sandbox_init("crlf");
	9
	10	cl_git_mkfile("crlf/.gitattributes",
	11	".txt text\n.bin binary\n.crlf text eol=crlf\n.lf text eol=lf\n");
	12
	13	cl_repo_set_bool(g_repo, "core.autocrlf", true);
	14	}
	15
	16	void test_filter_crlf__cleanup(void)
	17	{
	18	cl_git_sandbox_cleanup();
	19	}
	20
	21	void test_filter_crlf__to_worktree(void)
	22	{
	23	git_filter_list *fl;
	24	git_filter *crlf;
	25	git_buf out = GIT_BUF_INIT;
	26	const char *in;
	27	size_t in_len;
	28
	29	cl_git_pass(git_filter_list_new(
	30	&fl, g_repo, GIT_FILTER_TO_WORKTREE, 0));
	31
	32	crlf = git_filter_lookup(GIT_FILTER_CRLF);
	33	cl_assert(crlf != NULL);
	34
	35	cl_git_pass(git_filter_list_push(fl, crlf, NULL));
	36
	37	in = "Some text\nRight here\n";
	38	in_len = strlen(in);
	39
	40	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
	41
	42	cl_assert_equal_s("Some text\r\nRight here\r\n", out.ptr);
	43
	44	git_filter_list_free(fl);
	45	git_buf_dispose(&out);
	46	}
	47
	48	void test_filter_crlf__to_odb(void)
	49	{
	50	git_filter_list *fl;
	51	git_filter *crlf;
	52	git_buf out = GIT_BUF_INIT;
	53	const char *in;
	54	size_t in_len;
	55
	56	cl_git_pass(git_filter_list_new(
	57	&fl, g_repo, GIT_FILTER_TO_ODB, 0));
	58
	59	crlf = git_filter_lookup(GIT_FILTER_CRLF);
	60	cl_assert(crlf != NULL);
	61
	62	cl_git_pass(git_filter_list_push(fl, crlf, NULL));
	63
	64	in = "Some text\r\nRight here\r\n";
	65	in_len = strlen(in);
	66
	67	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
	68
	69	cl_assert_equal_s("Some text\nRight here\n", out.ptr);
	70
	71	git_filter_list_free(fl);
	72	git_buf_dispose(&out);
	73	}
	74
	75	void test_filter_crlf__with_safecrlf(void)
	76	{
	77	git_filter_list *fl;
	78	git_filter *crlf;
	79	git_buf out = GIT_BUF_INIT;
	80	const char *in;
	81	size_t in_len;
	82
	83	cl_repo_set_bool(g_repo, "core.safecrlf", true);
	84
	85	cl_git_pass(git_filter_list_new(
	86	&fl, g_repo, GIT_FILTER_TO_ODB, 0));
	87
	88	crlf = git_filter_lookup(GIT_FILTER_CRLF);
	89	cl_assert(crlf != NULL);
	90
	91	cl_git_pass(git_filter_list_push(fl, crlf, NULL));
	92
	93	/* Normalized \r\n succeeds with safecrlf */
	94	in = "Normal\r\nCRLF\r\nline-endings.\r\n";
	95	in_len = strlen(in);
	96
	97	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
	98	cl_assert_equal_s("Normal\nCRLF\nline-endings.\n", out.ptr);
	99
	100	/* Mix of line endings fails with safecrlf */
	101	in = "Mixed\nup\r\nLF\nand\r\nCRLF\nline-endings.\r\n";
	102	in_len = strlen(in);
	103
	104	cl_git_fail(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
	105	cl_assert_equal_i(git_error_last()->klass, GIT_ERROR_FILTER);
	106
	107	/* Normalized \n fails for autocrlf=true when safecrlf=true */
	108	in = "Normal\nLF\nonly\nline-endings.\n";
	109	in_len = strlen(in);
	110
	111	cl_git_fail(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
	112	cl_assert_equal_i(git_error_last()->klass, GIT_ERROR_FILTER);
	113
	114	/* String with \r but without \r\n does not fail with safecrlf */
	115	in = "Normal\nCR only\rand some more\nline-endings.\n";
	116	in_len = strlen(in);
	117
	118	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
	119	cl_assert_equal_s("Normal\nCR only\rand some more\nline-endings.\n", out.ptr);
	120
	121	git_filter_list_free(fl);
	122	git_buf_dispose(&out);
	123	}
	124
	125	void test_filter_crlf__with_safecrlf_and_unsafe_allowed(void)
	126	{
	127	git_filter_list *fl;
	128	git_filter *crlf;
	129	git_buf out = GIT_BUF_INIT;
	130	const char *in;
	131	size_t in_len;
	132
	133	cl_repo_set_bool(g_repo, "core.safecrlf", true);
	134
	135	cl_git_pass(git_filter_list_new(
	136	&fl, g_repo, GIT_FILTER_TO_ODB, GIT_FILTER_ALLOW_UNSAFE));
	137
	138	crlf = git_filter_lookup(GIT_FILTER_CRLF);
	139	cl_assert(crlf != NULL);
	140
	141	cl_git_pass(git_filter_list_push(fl, crlf, NULL));
	142
	143	/* Normalized \r\n succeeds with safecrlf */
	144	in = "Normal\r\nCRLF\r\nline-endings.\r\n";
	145	in_len = strlen(in);
	146
	147	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
	148	cl_assert_equal_s("Normal\nCRLF\nline-endings.\n", out.ptr);
	149
	150	/* Mix of line endings fails with safecrlf, but allowed to pass */
	151	in = "Mixed\nup\r\nLF\nand\r\nCRLF\nline-endings.\r\n";
	152	in_len = strlen(in);
	153
	154	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
	155	/* TODO: check for warning */
	156	cl_assert_equal_s("Mixed\nup\nLF\nand\nCRLF\nline-endings.\n", out.ptr);
	157
	158	/* Normalized \n fails with safecrlf, but allowed to pass */
	159	in = "Normal\nLF\nonly\nline-endings.\n";
	160	in_len = strlen(in);
	161
	162	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
	163	/* TODO: check for warning */
	164	cl_assert_equal_s("Normal\nLF\nonly\nline-endings.\n", out.ptr);
	165
	166	git_filter_list_free(fl);
	167	git_buf_dispose(&out);
	168	}
	169
	170	void test_filter_crlf__no_safecrlf(void)
	171	{
	172	git_filter_list *fl;
	173	git_filter *crlf;
	174	git_buf out = GIT_BUF_INIT;
	175	const char *in;
	176	size_t in_len;
	177
	178	cl_git_pass(git_filter_list_new(
	179	&fl, g_repo, GIT_FILTER_TO_ODB, 0));
	180
	181	crlf = git_filter_lookup(GIT_FILTER_CRLF);
	182	cl_assert(crlf != NULL);
	183
	184	cl_git_pass(git_filter_list_push(fl, crlf, NULL));
	185
	186	/* Normalized \r\n succeeds with safecrlf */
	187	in = "Normal\r\nCRLF\r\nline-endings.\r\n";
	188	in_len = strlen(in);
	189
	190	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
	191	cl_assert_equal_s("Normal\nCRLF\nline-endings.\n", out.ptr);
	192
	193	/* Mix of line endings fails with safecrlf */
	194	in = "Mixed\nup\r\nLF\nand\r\nCRLF\nline-endings.\r\n";
	195	in_len = strlen(in);
	196
	197	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
	198	cl_assert_equal_s("Mixed\nup\nLF\nand\nCRLF\nline-endings.\n", out.ptr);
	199
	200	/* Normalized \n fails with safecrlf */
	201	in = "Normal\nLF\nonly\nline-endings.\n";
	202	in_len = strlen(in);
	203
	204	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
	205	cl_assert_equal_s("Normal\nLF\nonly\nline-endings.\n", out.ptr);
	206
	207	git_filter_list_free(fl);
	208	git_buf_dispose(&out);
	209	}
	210
	211	void test_filter_crlf__safecrlf_warn(void)
	212	{
	213	git_filter_list *fl;
	214	git_filter *crlf;
	215	git_buf out = GIT_BUF_INIT;
	216	const char *in;
	217	size_t in_len;
	218
	219	cl_repo_set_string(g_repo, "core.safecrlf", "warn");
	220
	221	cl_git_pass(git_filter_list_new(
	222	&fl, g_repo, GIT_FILTER_TO_ODB, 0));
	223
	224	crlf = git_filter_lookup(GIT_FILTER_CRLF);
	225	cl_assert(crlf != NULL);
	226
	227	cl_git_pass(git_filter_list_push(fl, crlf, NULL));
	228
	229	/* Normalized \r\n succeeds with safecrlf=warn */
	230	in = "Normal\r\nCRLF\r\nline-endings.\r\n";
	231	in_len = strlen(in);
	232
	233	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
	234	cl_assert_equal_s("Normal\nCRLF\nline-endings.\n", out.ptr);
	235
	236	/* Mix of line endings succeeds with safecrlf=warn */
	237	in = "Mixed\nup\r\nLF\nand\r\nCRLF\nline-endings.\r\n";
	238	in_len = strlen(in);
	239
	240	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
	241	/* TODO: check for warning */
	242	cl_assert_equal_s("Mixed\nup\nLF\nand\nCRLF\nline-endings.\n", out.ptr);
	243
	244	/* Normalized \n is reversible, so does not fail with safecrlf=warn */
	245	in = "Normal\nLF\nonly\nline-endings.\n";
	246	in_len = strlen(in);
	247
	248	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
	249	cl_assert_equal_s(in, out.ptr);
	250
	251	git_filter_list_free(fl);
	252	git_buf_dispose(&out);
	253	}