Add tls config related unit tests

remoting/src/test/java/org/apache/rocketmq/remoting/TlsConfigTest.java

+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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.
+ */
+
+package org.apache.rocketmq.remoting;
+
+import java.io.BufferedWriter;
+import java.io.File;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.io.PrintWriter;
+import org.apache.rocketmq.remoting.netty.TlsHelper;
+import org.junit.Rule;
+import org.junit.Test;
+import org.junit.rules.TemporaryFolder;
+import org.junit.runner.RunWith;
+import org.mockito.junit.MockitoJUnitRunner;
+
+import static org.apache.rocketmq.remoting.netty.TlsSystemConfig.TLS_CLIENT_AUTHSERVER;
+import static org.apache.rocketmq.remoting.netty.TlsSystemConfig.TLS_CLIENT_CERTPATH;
+import static org.apache.rocketmq.remoting.netty.TlsSystemConfig.TLS_CLIENT_KEYPASSWORD;
+import static org.apache.rocketmq.remoting.netty.TlsSystemConfig.TLS_CLIENT_KEYPATH;
+import static org.apache.rocketmq.remoting.netty.TlsSystemConfig.TLS_CLIENT_TRUSTCERTPATH;
+import static org.apache.rocketmq.remoting.netty.TlsSystemConfig.TLS_CONFIG_FILE;
+import static org.apache.rocketmq.remoting.netty.TlsSystemConfig.TLS_SERVER_AUTHCLIENT;
+import static org.apache.rocketmq.remoting.netty.TlsSystemConfig.TLS_SERVER_CERTPATH;
+import static org.apache.rocketmq.remoting.netty.TlsSystemConfig.TLS_SERVER_KEYPASSWORD;
+import static org.apache.rocketmq.remoting.netty.TlsSystemConfig.TLS_SERVER_KEYPATH;
+import static org.apache.rocketmq.remoting.netty.TlsSystemConfig.TLS_SERVER_NEED_CLIENT_AUTH;
+import static org.apache.rocketmq.remoting.netty.TlsSystemConfig.TLS_SERVER_TRUSTCERTPATH;
+import static org.apache.rocketmq.remoting.netty.TlsSystemConfig.tlsClientAuthServer;
+import static org.apache.rocketmq.remoting.netty.TlsSystemConfig.tlsClientCertPath;
+import static org.apache.rocketmq.remoting.netty.TlsSystemConfig.tlsClientKeyPassword;
+import static org.apache.rocketmq.remoting.netty.TlsSystemConfig.tlsClientKeyPath;
+import static org.apache.rocketmq.remoting.netty.TlsSystemConfig.tlsClientTrustCertPath;
+import static org.apache.rocketmq.remoting.netty.TlsSystemConfig.tlsServerAuthClient;
+import static org.apache.rocketmq.remoting.netty.TlsSystemConfig.tlsServerCertPath;
+import static org.apache.rocketmq.remoting.netty.TlsSystemConfig.tlsServerKeyPassword;
+import static org.apache.rocketmq.remoting.netty.TlsSystemConfig.tlsServerKeyPath;
+import static org.apache.rocketmq.remoting.netty.TlsSystemConfig.tlsServerNeedClientAuth;
+import static org.apache.rocketmq.remoting.netty.TlsSystemConfig.tlsServerTrustCertPath;
+import static org.assertj.core.api.Assertions.assertThat;
+
+@RunWith(MockitoJUnitRunner.class)
+public class TlsConfigTest {
+    @Rule
+    public TemporaryFolder tempFolder = new TemporaryFolder();
+
+    @Test
+    public void testTlsConfigThroughFile() throws Exception {
+        File file = tempFolder.newFile("tls.config");
+
+        System.setProperty(TLS_CONFIG_FILE, file.getAbsolutePath());
+
+        StringBuilder sb = new StringBuilder();
+        sb.append(TLS_SERVER_NEED_CLIENT_AUTH + "=require\n");
+        sb.append(TLS_SERVER_KEYPATH + "=/server.key\n");
+        sb.append(TLS_SERVER_CERTPATH + "=/server.pem\n");
+        sb.append(TLS_SERVER_KEYPASSWORD + "=2345\n");
+
+        sb.append(TLS_SERVER_AUTHCLIENT + "=true\n");
+        sb.append(TLS_SERVER_TRUSTCERTPATH + "=/ca.pem\n");
+        sb.append(TLS_CLIENT_KEYPATH + "=/client.key\n");
+        sb.append(TLS_CLIENT_KEYPASSWORD + "=1234\n");
+        sb.append(TLS_CLIENT_CERTPATH + "=/client.pem\n");
+        sb.append(TLS_CLIENT_KEYPASSWORD + "=1234\n");
+        sb.append(TLS_CLIENT_AUTHSERVER + "=false\n");
+        sb.append(TLS_CLIENT_TRUSTCERTPATH + "=/ca.pem\n");
+
+        writeStringToFile(file.getAbsolutePath(), sb.toString());
+
+        TlsHelper.buildSslContext(false);
+
+        assertThat(tlsServerNeedClientAuth).isEqualTo("require");
+        assertThat(tlsServerKeyPath).isEqualTo("/server.key");
+        assertThat(tlsServerCertPath).isEqualTo("/server.pem");
+        assertThat(tlsServerKeyPassword).isEqualTo("2345");
+        assertThat(tlsServerAuthClient).isEqualTo(true);
+        assertThat(tlsServerTrustCertPath).isEqualTo("/ca.pem");
+        assertThat(tlsClientKeyPath).isEqualTo("/client.key");
+        assertThat(tlsClientKeyPassword).isEqualTo("1234");
+        assertThat(tlsClientCertPath).isEqualTo("/client.pem");
+        assertThat(tlsClientAuthServer).isEqualTo(false);
+        assertThat(tlsClientTrustCertPath).isEqualTo("/ca.pem");
+    }
+
+    private static void writeStringToFile(String path, String content) {
+        try {
+            PrintWriter out = new PrintWriter(new BufferedWriter(new FileWriter(path, true)));
+            out.println(content);
+            out.close();
+        } catch (IOException ignore) {
+        }
+    }
+}