test: add test case for cache and fix some issue

2023-03-20 23:41:34 +08:00
parent aa6f6fd519
commit bf68385d0e
11 changed files with 405 additions and 47 deletions
--- a/test/cases/test-same-pending-query.cc
+++ b/test/cases/test-same-pending-query.cc
@@ -0,0 +1,96 @@
+/*************************************************************************
+ *
+ * Copyright (C) 2018-2023 Ruilin Peng (Nick) <pymumu@gmail.com>.
+ *
+ * smartdns is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * smartdns is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "client.h"
+#include "dns.h"
+#include "include/utils.h"
+#include "server.h"
+#include "util.h"
+#include "gtest/gtest.h"
+#include <fstream>
+
+class SamePending : public ::testing::Test
+{
+  protected:
+	virtual void SetUp() {}
+	virtual void TearDown() {}
+};
+
+TEST_F(SamePending, pending)
+{
+	smartdns::MockServer server_upstream;
+	smartdns::Server server;
+	std::map<int, int> qid_map;
+
+	server_upstream.Start("udp://0.0.0.0:61053", [&](struct smartdns::ServerRequestContext *request) {
+		std::string domain = request->domain;
+		if (qid_map.find(request->packet->head.id) != qid_map.end()) {
+			qid_map[request->packet->head.id]++;
+			usleep(5000);
+		} else {
+			qid_map[request->packet->head.id] = 1;
+			usleep(20000);
+		}
+
+		if (request->domain.length() == 0) {
+			return smartdns::SERVER_REQUEST_ERROR;
+		}
+
+		if (request->qtype == DNS_T_A) {
+			unsigned char addr[4] = {1, 2, 3, 4};
+			dns_add_A(request->response_packet, DNS_RRS_AN, domain.c_str(), 61, addr);
+		} else if (request->qtype == DNS_T_AAAA) {
+			unsigned char addr[16] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16};
+			dns_add_AAAA(request->response_packet, DNS_RRS_AN, domain.c_str(), 61, addr);
+		} else {
+			return smartdns::SERVER_REQUEST_ERROR;
+		}
+
+		request->response_packet->head.rcode = DNS_RC_NOERROR;
+		return smartdns::SERVER_REQUEST_OK;
+	});
+
+	server.Start(R"""(bind [::]:60053
+server 127.0.0.1:61053
+cache-size 0
+log-num 0
+log-console yes
+speed-check-mode none
+log-level error
+cache-persist no)""");
+
+	std::vector<std::thread> threads;
+	uint64_t tick = get_tick_count();
+	for (int i = 0; i < 10; i++) {
+		auto t = std::thread([&]() {
+			for (int j = 0; j < 10; j++) {
+				smartdns::Client client;
+				ASSERT_TRUE(client.Query("a.com", 60053));
+				ASSERT_EQ(client.GetAnswerNum(), 1);
+				EXPECT_EQ(client.GetStatus(), "NOERROR");
+				EXPECT_EQ(client.GetAnswer()[0].GetName(), "a.com");
+				EXPECT_EQ(client.GetAnswer()[0].GetData(), "1.2.3.4");
+			}
+		});
+		threads.push_back(std::move(t));
+	}
+
+	for (auto &t : threads) {
+		t.join();
+	}
+}