1 files changed, 119 insertions, 0 deletions
diff --git a/tests/clar_libgit2.h b/tests/clar_libgit2.h
new file mode 100644
index 000000000..b9ef5627e
--- /dev/null
+++ b/tests/clar_libgit2.h
@@ -0,0 +1,119 @@
+#ifndef __CLAR_LIBGIT2__
+#define __CLAR_LIBGIT2__
+
+#include "clar.h"
+#include <git2.h>
+#include "common.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) do { \
+	int _lg2_error; \
+	giterr_clear(); \
+	if ((_lg2_error = (expr)) != 0) \
+		cl_git_report_failure(_lg2_error, __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) cl_must_fail(expr)
+
+#define cl_git_fail_with(expr, error) cl_assert_equal_i(error,expr)
+
+void cl_git_report_failure(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];
+		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);
+
+/*
+ * 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);
+
+bool cl_toggle_filemode(const char *filename);
+bool cl_is_chmod_supported(void);
+
+/* Environment wrappers */
+char *cl_getenv(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);
+void cl_git_sandbox_cleanup(void);
+git_repository *cl_git_sandbox_reopen(void);
+
+/* 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);
+
+#endif