t/unit-tests: implement clar specific oid helper functions

`get_oid_arbitrary_hex()` and `init_hash_algo()` are both required for
oid-related tests to run without errors. In the current implementation,
both functions are defined and declared in the
`t/unit-tests/lib-oid.{c,h}` which is utilized by oid-related tests in
the homegrown unit tests structure.

Adapt functions in lib-oid.{c,h} to use clar. Both these functions
become available for oid-related test files implemented using the clar
testing framework, which requires them. This will be used by subsequent
commits.

Mentored-by: Patrick Steinhardt <ps@pks.im>
Signed-off-by: Seyi Kuforiji <kuforiji98@gmail.com>
Signed-off-by: Junio C Hamano <gitster@pobox.com>

1 files changed, 11 insertions, 21 deletions

diff --git a/t/unit-tests/lib-oid.c b/t/unit-tests/lib-oid.c
index 8f0ccac532..e0b3180f23 100644
--- a/t/unit-tests/lib-oid.c
+++ b/t/unit-tests/lib-oid.c
@@ -1,9 +1,9 @@
-#include "test-lib.h"
+#include "unit-test.h"
 #include "lib-oid.h"
 #include "strbuf.h"
 #include "hex.h"
 
-int init_hash_algo(void)
+int cl_setup_hash_algo(void)
 {
 	static int algo = -1;
 
@@ -11,42 +11,32 @@ int init_hash_algo(void)
 		const char *algo_name = getenv("GIT_TEST_DEFAULT_HASH");
 		algo = algo_name ? hash_algo_by_name(algo_name) : GIT_HASH_SHA1;
 
-		if (!check(algo != GIT_HASH_UNKNOWN))
-			test_msg("BUG: invalid GIT_TEST_DEFAULT_HASH value ('%s')",
-				 algo_name);
+		cl_assert(algo != GIT_HASH_UNKNOWN);
 	}
 	return algo;
 }
 
-static int get_oid_arbitrary_hex_algop(const char *hex, struct object_id *oid,
+static void cl_parse_oid(const char *hex, struct object_id *oid,
 				       const struct git_hash_algo *algop)
 {
-	int ret;
 	size_t sz = strlen(hex);
 	struct strbuf buf = STRBUF_INIT;
 
-	if (!check(sz <= algop->hexsz)) {
-		test_msg("BUG: hex string (%s) bigger than maximum allowed (%lu)",
-			 hex, (unsigned long)algop->hexsz);
-		return -1;
-	}
+	cl_assert(sz <= algop->hexsz);
 
 	strbuf_add(&buf, hex, sz);
 	strbuf_addchars(&buf, '0', algop->hexsz - sz);
 
-	ret = get_oid_hex_algop(buf.buf, oid, algop);
-	if (!check_int(ret, ==, 0))
-		test_msg("BUG: invalid hex input (%s) provided", hex);
+	cl_assert_equal_i(get_oid_hex_algop(buf.buf, oid, algop), 0);
 
 	strbuf_release(&buf);
-	return ret;
 }
 
-int get_oid_arbitrary_hex(const char *hex, struct object_id *oid)
+
+void cl_parse_any_oid(const char *hex, struct object_id *oid)
 {
-	int hash_algo = init_hash_algo();
+	int hash_algo = cl_setup_hash_algo();
 
-	if (!check_int(hash_algo, !=, GIT_HASH_UNKNOWN))
-		return -1;
-	return get_oid_arbitrary_hex_algop(hex, oid, &hash_algos[hash_algo]);
+	cl_assert(hash_algo != GIT_HASH_UNKNOWN);
+	cl_parse_oid(hex, oid, &hash_algos[hash_algo]);
 }