1 files changed, 28 insertions, 0 deletions
diff --git a/t/unit-tests/lib-oid.h b/t/unit-tests/lib-oid.h
new file mode 100644
index 0000000000..4031775104
--- /dev/null
+++ b/t/unit-tests/lib-oid.h
@@ -0,0 +1,28 @@
+#ifndef LIB_OID_H
+#define LIB_OID_H
+
+#include "hash.h"
+
+/*
+ * Convert arbitrary hex string to object_id.
+ *
+ * For example, passing "abc12" will generate
+ * "abc1200000000000000000000000000000000000" hex of length 40 for SHA-1 and
+ * create object_id with that.
+ * WARNING: passing a string of length more than the hexsz of respective hash
+ * algo is not allowed. The hash algo is decided based on GIT_TEST_DEFAULT_HASH
+ * environment variable.
+ */
+
+void cl_parse_any_oid (const char *s, struct object_id *oid);
+/*
+ * Returns one of GIT_HASH_{SHA1, SHA256, UNKNOWN} based on the value of
+ * GIT_TEST_DEFAULT_HASH environment variable. The fallback value in the
+ * absence of GIT_TEST_DEFAULT_HASH is GIT_HASH_SHA1. It also uses
+ * cl_assert(algo != GIT_HASH_UNKNOWN) before returning to verify if the
+ * GIT_TEST_DEFAULT_HASH's value is valid or not.
+ */
+
+int cl_setup_hash_algo(void);
+
+#endif /* LIB_OID_H */