fix #5536 add configFilterChain test case (#5539)

client/src/test/java/com/alibaba/nacos/client/config/filter/impl/ConfigFilterChainTest.java

@@ -0,0 +1,39 @@
+/*
+ * Copyright 1999-2018 Alibaba Group Holding Ltd.
+ *
+ * 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.
+ */
+
+package com.alibaba.nacos.client.config.filter.impl;
+
+import com.alibaba.nacos.api.exception.NacosException;
+import org.junit.Assert;
+import org.junit.Test;
+
+public class ConfigFilterChainTest {
+
+ @Test
+ public void testConfigFilterChain() {
+ ConfigFilterChainManager configFilterChainManager = new ConfigFilterChainManager(null);
+ configFilterChainManager.addFilter(new DemoFilter1());
+ configFilterChainManager.addFilter(new DemoFilter2());
+ ConfigRequest configRequest = new ConfigRequest();
+ try {
+ configFilterChainManager.doFilter(configRequest, null);
+ Assert.assertEquals(DemoFilter1.class.getName(), configRequest.getParameter("filter1"));
+ Assert.assertEquals(DemoFilter2.class.getName(), configRequest.getParameter("filter2"));
+ } catch (NacosException e) {
+ e.printStackTrace();
+ }
+ }
+}

client/src/test/java/com/alibaba/nacos/client/config/filter/impl/DemoFilter1.java

@@ -0,0 +1,58 @@
+/*
+ * Copyright 1999-2018 Alibaba Group Holding Ltd.
+ *
+ * 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.
+ */
+
+package com.alibaba.nacos.client.config.filter.impl;
+
+import com.alibaba.nacos.api.config.filter.IConfigFilter;
+import com.alibaba.nacos.api.config.filter.IConfigFilterChain;
+import com.alibaba.nacos.api.config.filter.IConfigRequest;
+import com.alibaba.nacos.api.config.filter.IConfigResponse;
+import com.alibaba.nacos.api.config.filter.IFilterConfig;
+import com.alibaba.nacos.api.exception.NacosException;
+
+import java.util.Properties;
+
+public class DemoFilter1 implements IConfigFilter {
+
+ private static final String DEFAULT_NAME = DemoFilter1.class.getName();
+
+ @Override
+ public void init(IFilterConfig filterConfig) {
+
+ }
+
+ @Override
+ public void init(Properties properties) {
+
+ }
+
+ @Override
+ public void doFilter(IConfigRequest request, IConfigResponse response, IConfigFilterChain filterChain)
+ throws NacosException {
+ request.putParameter("filter1", DEFAULT_NAME);
+ filterChain.doFilter(request, response);
+ }
+
+ @Override
+ public int getOrder() {
+ return 0;
+ }
+
+ @Override
+ public String getFilterName() {
+ return DEFAULT_NAME;
+ }
+}

client/src/test/java/com/alibaba/nacos/client/config/filter/impl/DemoFilter2.java

@@ -0,0 +1,58 @@
+/*
+ * Copyright 1999-2018 Alibaba Group Holding Ltd.
+ *
+ * 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.
+ */
+
+package com.alibaba.nacos.client.config.filter.impl;
+
+import com.alibaba.nacos.api.config.filter.IConfigFilter;
+import com.alibaba.nacos.api.config.filter.IConfigFilterChain;
+import com.alibaba.nacos.api.config.filter.IConfigRequest;
+import com.alibaba.nacos.api.config.filter.IConfigResponse;
+import com.alibaba.nacos.api.config.filter.IFilterConfig;
+import com.alibaba.nacos.api.exception.NacosException;
+
+import java.util.Properties;
+
+public class DemoFilter2 implements IConfigFilter {
+
+ private static final String DEFAULT_NAME = DemoFilter2.class.getName();
+
+ @Override
+ public void init(IFilterConfig filterConfig) {
+
+ }
+
+ @Override
+ public void init(Properties properties) {
+
+ }
+
+ @Override
+ public void doFilter(IConfigRequest request, IConfigResponse response, IConfigFilterChain filterChain)
+ throws NacosException {
+ request.putParameter("filter2", DEFAULT_NAME);
+ filterChain.doFilter(request, response);
+ }
+
+ @Override
+ public int getOrder() {
+ return 0;
+ }
+
+ @Override
+ public String getFilterName() {
+ return DEFAULT_NAME;
+ }
+}