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#ifndef __CLAR_LIBGIT2__
#define __CLAR_LIBGIT2__
#include "clar.h"
#include <git2.h>
#include "common.h"
#include "posix.h"
/**
* Replace for `clar_must_pass` that passes the last library error as the
* test failure message.
*
* Use this wrapper around all `git_` library calls that return error codes!
*/
#define cl_git_pass(expr) cl_git_expect((expr), 0, __FILE__, __LINE__)
#define cl_git_fail_with(error, expr) cl_git_expect((expr), error, __FILE__, __LINE__)
#define cl_git_expect(expr, expected, file, line) do { \
int _lg2_error; \
git_error_clear(); \
if ((_lg2_error = (expr)) != expected) \
cl_git_report_failure(_lg2_error, expected, file, line, "Function call failed: " #expr); \
} while (0)
/**
* Wrapper for `clar_must_fail` -- this one is
* just for consistency. Use with `git_` library
* calls that are supposed to fail!
*/
#define cl_git_fail(expr) do { \
if ((expr) == 0) \
git_error_clear(), \
cl_git_report_failure(0, 0, __FILE__, __LINE__, "Function call succeeded: " #expr); \
} while (0)
/**
* Like cl_git_pass, only for Win32 error code conventions
*/
#define cl_win32_pass(expr) do { \
int _win32_res; \
if ((_win32_res = (expr)) == 0) { \
git_error_set(GIT_ERROR_OS, "Returned: %d, system error code: %lu", _win32_res, GetLastError()); \
cl_git_report_failure(_win32_res, 0, __FILE__, __LINE__, "System call failed: " #expr); \
} \
} while(0)
/**
* Thread safe assertions; you cannot use `cl_git_report_failure` from a
* child thread since it will try to `longjmp` to abort and "the effect of
* a call to longjmp() where initialization of the jmp_buf structure was
* not performed in the calling thread is undefined."
*
* Instead, callers can provide a clar thread error context to a thread,
* which will populate and return it on failure. Callers can check the
* status with `cl_git_thread_check`.
*/
typedef struct {
int error;
const char *file;
int line;
const char *expr;
char error_msg[4096];
} cl_git_thread_err;
#ifdef GIT_THREADS
# define cl_git_thread_pass(threaderr, expr) cl_git_thread_pass_(threaderr, (expr), __FILE__, __LINE__)
#else
# define cl_git_thread_pass(threaderr, expr) cl_git_pass(expr)
#endif
#define cl_git_thread_pass_(__threaderr, __expr, __file, __line) do { \
git_error_clear(); \
if ((((cl_git_thread_err *)__threaderr)->error = (__expr)) != 0) { \
const git_error *_last = git_error_last(); \
((cl_git_thread_err *)__threaderr)->file = __file; \
((cl_git_thread_err *)__threaderr)->line = __line; \
((cl_git_thread_err *)__threaderr)->expr = "Function call failed: " #__expr; \
p_snprintf(((cl_git_thread_err *)__threaderr)->error_msg, 4096, "thread 0x%" PRIxZ " - error %d - %s", \
git_thread_currentid(), ((cl_git_thread_err *)__threaderr)->error, \
_last ? _last->message : "<no message>"); \
git_thread_exit(__threaderr); \
} \
} while (0)
GIT_INLINE(void) cl_git_thread_check(void *data)
{
cl_git_thread_err *threaderr = (cl_git_thread_err *)data;
if (threaderr->error != 0)
clar__assert(0, threaderr->file, threaderr->line, threaderr->expr, threaderr->error_msg, 1);
}
void cl_git_report_failure(int, int, const char *, int, const char *);
#define cl_assert_at_line(expr,file,line) \
clar__assert((expr) != 0, file, line, "Expression is not true: " #expr, NULL, 1)
GIT_INLINE(void) clar__assert_in_range(
int lo, int val, int hi,
const char *file, int line, const char *err, int should_abort)
{
if (lo > val || hi < val) {
char buf[128];
p_snprintf(buf, sizeof(buf), "%d not in [%d,%d]", val, lo, hi);
clar__fail(file, line, err, buf, should_abort);
}
}
#define cl_assert_equal_sz(sz1,sz2) do { \
size_t __sz1 = (size_t)(sz1), __sz2 = (size_t)(sz2); \
clar__assert_equal(__FILE__,__LINE__,#sz1 " != " #sz2, 1, "%"PRIuZ, __sz1, __sz2); \
} while (0)
#define cl_assert_in_range(L,V,H) \
clar__assert_in_range((L),(V),(H),__FILE__,__LINE__,"Range check: " #V " in [" #L "," #H "]", 1)
#define cl_assert_equal_file(DATA,SIZE,PATH) \
clar__assert_equal_file(DATA,SIZE,0,PATH,__FILE__,(int)__LINE__)
#define cl_assert_equal_file_ignore_cr(DATA,SIZE,PATH) \
clar__assert_equal_file(DATA,SIZE,1,PATH,__FILE__,(int)__LINE__)
void clar__assert_equal_file(
const char *expected_data,
size_t expected_size,
int ignore_cr,
const char *path,
const char *file,
int line);
GIT_INLINE(void) clar__assert_equal_oid(
const char *file, int line, const char *desc,
const git_oid *one, const git_oid *two)
{
if (git_oid_cmp(one, two)) {
char err[] = "\"........................................\" != \"........................................\"";
git_oid_fmt(&err[1], one);
git_oid_fmt(&err[47], two);
clar__fail(file, line, desc, err, 1);
}
}
#define cl_assert_equal_oid(one, two) \
clar__assert_equal_oid(__FILE__, __LINE__, \
"OID mismatch: " #one " != " #two, (one), (two))
/*
* Some utility macros for building long strings
*/
#define REP4(STR) STR STR STR STR
#define REP15(STR) REP4(STR) REP4(STR) REP4(STR) STR STR STR
#define REP16(STR) REP4(REP4(STR))
#define REP256(STR) REP16(REP16(STR))
#define REP1024(STR) REP4(REP256(STR))
/* Write the contents of a buffer to disk */
void cl_git_mkfile(const char *filename, const char *content);
void cl_git_append2file(const char *filename, const char *new_content);
void cl_git_rewritefile(const char *filename, const char *new_content);
void cl_git_write2file(const char *path, const char *data,
size_t datalen, int flags, unsigned int mode);
void cl_git_rmfile(const char *filename);
bool cl_toggle_filemode(const char *filename);
bool cl_is_chmod_supported(void);
/* Environment wrappers */
char *cl_getenv(const char *name);
bool cl_is_env_set(const char *name);
int cl_setenv(const char *name, const char *value);
/* Reliable rename */
int cl_rename(const char *source, const char *dest);
/* Git sandbox setup helpers */
git_repository *cl_git_sandbox_init(const char *sandbox);
git_repository *cl_git_sandbox_init_new(const char *name);
void cl_git_sandbox_cleanup(void);
git_repository *cl_git_sandbox_reopen(void);
/*
* build a sandbox-relative from path segments
* is_dir will add a trailing slash
* vararg must be a NULL-terminated char * list
*/
const char *cl_git_sandbox_path(int is_dir, ...);
/* Local-repo url helpers */
const char* cl_git_fixture_url(const char *fixturename);
const char* cl_git_path_url(const char *path);
/* Test repository cleaner */
int cl_git_remove_placeholders(const char *directory_path, const char *filename);
/* commit creation helpers */
void cl_repo_commit_from_index(
git_oid *out,
git_repository *repo,
git_signature *sig,
git_time_t time,
const char *msg);
/* config setting helpers */
void cl_repo_set_bool(git_repository *repo, const char *cfg, int value);
int cl_repo_get_bool(git_repository *repo, const char *cfg);
void cl_repo_set_string(git_repository *repo, const char *cfg, const char *value);
/* set up a fake "home" directory and set libgit2 GLOBAL search path.
*
* automatically configures cleanup function to restore the regular search
* path, although you can call it explicitly if you wish (with NULL).
*/
void cl_fake_home(void);
void cl_fake_home_cleanup(void *);
void cl_sandbox_set_search_path_defaults(void);
#ifdef GIT_WIN32
# define cl_msleep(x) Sleep(x)
#else
# define cl_msleep(x) usleep(1000 * (x))
#endif
#ifdef GIT_WIN32
bool cl_sandbox_supports_8dot3(void);
#endif
#endif
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