refactor: cleaned up Unit Tests (#948)

src/unittest/cache.cpp

@@ -0,0 +1,64 @@
+/************************************************************************************
+ *
+ * D++, A Lightweight C++ library for Discord
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ * Copyright 2021 Craig Edwards and D++ contributors
+ * (https://github.com/brainboxdotcc/DPP/graphs/contributors)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ *
+ ************************************************************************************/
+#include "test.h"
+
+#include <dpp/restrequest.h>
+
+/* Unit tests for Cache */
+void cache_tests(dpp::cluster& bot) {
+	set_test(USER_GET_CACHED_PRESENT, false);
+	try {
+		dpp::user_identified u = bot.user_get_cached_sync(TEST_USER_ID);
+		set_test(USER_GET_CACHED_PRESENT, (u.id == TEST_USER_ID));
+	}
+	catch (const std::exception&) {
+		set_test(USER_GET_CACHED_PRESENT, false);
+	}
+
+	set_test(USER_GET_CACHED_ABSENT, false);
+	try {
+		/* This is the snowflake ID of a discord staff member.
+		 * We assume here that staffer's discord IDs will remain constant
+		 * for long periods of time and they won't lurk in the unit test server.
+		 * If this becomes not true any more, we'll pick another well known
+		 * user ID.
+		 */
+		dpp::user_identified u = bot.user_get_cached_sync(90339695967350784);
+		set_test(USER_GET_CACHED_ABSENT, (u.id == dpp::snowflake(90339695967350784)));
+	}
+	catch (const std::exception&) {
+		set_test(USER_GET_CACHED_ABSENT, false);
+	}
+
+	set_test(CUSTOMCACHE, false);
+	dpp::cache<test_cached_object_t> testcache;
+	test_cached_object_t* tco = new test_cached_object_t(666);
+	tco->foo = "bar";
+	testcache.store(tco);
+	test_cached_object_t* found_tco = testcache.find(666);
+	if (found_tco && found_tco->id == dpp::snowflake(666) && found_tco->foo == "bar") {
+		set_test(CUSTOMCACHE, true);
+	} else {
+		set_test(CUSTOMCACHE, false);
+	}
+	testcache.remove(found_tco);
+}