[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
40cb40fa RB	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");
b47349b8	12
8427757f	13	cl_repo_set_bool(g_repo, "core.autocrlf", true);
40cb40fa RB	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;
c25aa7cd PP	25	git_buf out = GIT_BUF_INIT;
	26	const char *in;
	27	size_t in_len;
40cb40fa	28
5269008c RB	29	cl_git_pass(git_filter_list_new(
5269008c RB	30	&fl, g_repo, GIT_FILTER_TO_WORKTREE, 0));
40cb40fa RB	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
c25aa7cd PP	37	in = "Some text\nRight here\n";
c25aa7cd PP	38	in_len = strlen(in);
40cb40fa	39
c25aa7cd	40	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
40cb40fa	41
40cb40fa	42	cl_assert_equal_s("Some text\r\nRight here\r\n", out.ptr);
40cb40fa RB	43
40cb40fa RB	44	git_filter_list_free(fl);
ac3d33df	45	git_buf_dispose(&out);
40cb40fa RB	46	}
	47
	48	void test_filter_crlf__to_odb(void)
	49	{
	50	git_filter_list *fl;
	51	git_filter *crlf;
c25aa7cd PP	52	git_buf out = GIT_BUF_INIT;
	53	const char *in;
	54	size_t in_len;
40cb40fa	55
5269008c RB	56	cl_git_pass(git_filter_list_new(
5269008c RB	57	&fl, g_repo, GIT_FILTER_TO_ODB, 0));
40cb40fa RB	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
c25aa7cd PP	64	in = "Some text\r\nRight here\r\n";
c25aa7cd PP	65	in_len = strlen(in);
40cb40fa	66
c25aa7cd	67	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
40cb40fa RB	68
	69	cl_assert_equal_s("Some text\nRight here\n", out.ptr);
	70
	71	git_filter_list_free(fl);
ac3d33df	72	git_buf_dispose(&out);
40cb40fa	73	}
855c66de ET	74
	75	void test_filter_crlf__with_safecrlf(void)
	76	{
	77	git_filter_list *fl;
	78	git_filter *crlf;
c25aa7cd PP	79	git_buf out = GIT_BUF_INIT;
	80	const char *in;
	81	size_t in_len;
855c66de ET	82
	83	cl_repo_set_bool(g_repo, "core.safecrlf", true);
	84
5269008c RB	85	cl_git_pass(git_filter_list_new(
5269008c RB	86	&fl, g_repo, GIT_FILTER_TO_ODB, 0));
855c66de ET	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 */
c25aa7cd PP	94	in = "Normal\r\nCRLF\r\nline-endings.\r\n";
c25aa7cd PP	95	in_len = strlen(in);
855c66de	96
c25aa7cd	97	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
855c66de ET	98	cl_assert_equal_s("Normal\nCRLF\nline-endings.\n", out.ptr);
	99
	100	/* Mix of line endings fails with safecrlf */
c25aa7cd PP	101	in = "Mixed\nup\r\nLF\nand\r\nCRLF\nline-endings.\r\n";
c25aa7cd PP	102	in_len = strlen(in);
855c66de	103
c25aa7cd	104	cl_git_fail(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
ac3d33df	105	cl_assert_equal_i(git_error_last()->klass, GIT_ERROR_FILTER);
855c66de	106
ac3d33df	107	/* Normalized \n fails for autocrlf=true when safecrlf=true */
c25aa7cd PP	108	in = "Normal\nLF\nonly\nline-endings.\n";
c25aa7cd PP	109	in_len = strlen(in);
855c66de	110
c25aa7cd	111	cl_git_fail(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
ac3d33df JK	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 */
c25aa7cd PP	115	in = "Normal\nCR only\rand some more\nline-endings.\n";
c25aa7cd PP	116	in_len = strlen(in);
ac3d33df	117
c25aa7cd	118	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
ac3d33df	119	cl_assert_equal_s("Normal\nCR only\rand some more\nline-endings.\n", out.ptr);
855c66de ET	120
855c66de ET	121	git_filter_list_free(fl);
ac3d33df	122	git_buf_dispose(&out);
855c66de ET	123	}
855c66de ET	124
5269008c RB	125	void test_filter_crlf__with_safecrlf_and_unsafe_allowed(void)
	126	{
	127	git_filter_list *fl;
	128	git_filter *crlf;
c25aa7cd PP	129	git_buf out = GIT_BUF_INIT;
	130	const char *in;
	131	size_t in_len;
5269008c RB	132
	133	cl_repo_set_bool(g_repo, "core.safecrlf", true);
	134
	135	cl_git_pass(git_filter_list_new(
795eaccd	136	&fl, g_repo, GIT_FILTER_TO_ODB, GIT_FILTER_ALLOW_UNSAFE));
5269008c RB	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 */
c25aa7cd PP	144	in = "Normal\r\nCRLF\r\nline-endings.\r\n";
c25aa7cd PP	145	in_len = strlen(in);
5269008c	146
c25aa7cd	147	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
5269008c RB	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 */
c25aa7cd PP	151	in = "Mixed\nup\r\nLF\nand\r\nCRLF\nline-endings.\r\n";
c25aa7cd PP	152	in_len = strlen(in);
5269008c	153
c25aa7cd	154	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
5269008c RB	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 */
c25aa7cd PP	159	in = "Normal\nLF\nonly\nline-endings.\n";
c25aa7cd PP	160	in_len = strlen(in);
5269008c	161
c25aa7cd	162	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
5269008c RB	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);
ac3d33df	167	git_buf_dispose(&out);
5269008c RB	168	}
5269008c RB	169
855c66de ET	170	void test_filter_crlf__no_safecrlf(void)
	171	{
	172	git_filter_list *fl;
	173	git_filter *crlf;
c25aa7cd PP	174	git_buf out = GIT_BUF_INIT;
	175	const char *in;
	176	size_t in_len;
855c66de	177
5269008c RB	178	cl_git_pass(git_filter_list_new(
5269008c RB	179	&fl, g_repo, GIT_FILTER_TO_ODB, 0));
855c66de ET	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 */
c25aa7cd PP	187	in = "Normal\r\nCRLF\r\nline-endings.\r\n";
c25aa7cd PP	188	in_len = strlen(in);
855c66de	189
c25aa7cd	190	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
855c66de ET	191	cl_assert_equal_s("Normal\nCRLF\nline-endings.\n", out.ptr);
	192
	193	/* Mix of line endings fails with safecrlf */
c25aa7cd PP	194	in = "Mixed\nup\r\nLF\nand\r\nCRLF\nline-endings.\r\n";
c25aa7cd PP	195	in_len = strlen(in);
855c66de	196
c25aa7cd	197	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
855c66de ET	198	cl_assert_equal_s("Mixed\nup\nLF\nand\nCRLF\nline-endings.\n", out.ptr);
	199
	200	/* Normalized \n fails with safecrlf */
c25aa7cd PP	201	in = "Normal\nLF\nonly\nline-endings.\n";
c25aa7cd PP	202	in_len = strlen(in);
855c66de	203
c25aa7cd	204	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
855c66de ET	205	cl_assert_equal_s("Normal\nLF\nonly\nline-endings.\n", out.ptr);
	206
	207	git_filter_list_free(fl);
ac3d33df	208	git_buf_dispose(&out);
855c66de ET	209	}
855c66de ET	210
49837fd4 ET	211	void test_filter_crlf__safecrlf_warn(void)
	212	{
	213	git_filter_list *fl;
	214	git_filter *crlf;
c25aa7cd PP	215	git_buf out = GIT_BUF_INIT;
	216	const char *in;
	217	size_t in_len;
49837fd4 ET	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 */
c25aa7cd PP	230	in = "Normal\r\nCRLF\r\nline-endings.\r\n";
c25aa7cd PP	231	in_len = strlen(in);
49837fd4	232
c25aa7cd	233	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
49837fd4 ET	234	cl_assert_equal_s("Normal\nCRLF\nline-endings.\n", out.ptr);
	235
	236	/* Mix of line endings succeeds with safecrlf=warn */
c25aa7cd PP	237	in = "Mixed\nup\r\nLF\nand\r\nCRLF\nline-endings.\r\n";
c25aa7cd PP	238	in_len = strlen(in);
49837fd4	239
c25aa7cd	240	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
49837fd4 ET	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 */
c25aa7cd PP	245	in = "Normal\nLF\nonly\nline-endings.\n";
c25aa7cd PP	246	in_len = strlen(in);
49837fd4	247
c25aa7cd PP	248	cl_git_pass(git_filter_list_apply_to_buffer(&out, fl, in, in_len));
c25aa7cd PP	249	cl_assert_equal_s(in, out.ptr);
49837fd4 ET	250
49837fd4 ET	251	git_filter_list_free(fl);
ac3d33df	252	git_buf_dispose(&out);
49837fd4	253	}