content: /*
   *
   * 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.utils;
  
  import com.alibaba.nacos.api.PropertyKeyConst;
  import com.alibaba.nacos.common.utils.MD5Utils;
  import org.junit.jupiter.api.AfterEach;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  
  import java.lang.reflect.InvocationTargetException;
  import java.lang.reflect.Method;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertThrows;
  
  class ParamUtilTest {
      
      private int defaultConnectTimeout;
      
      private int defaultReadTimeout;
      
      private double defaultPerTaskConfigSize;
      
      @BeforeEach
      void before() {
          defaultConnectTimeout = 1000;
          defaultReadTimeout = 3000;
          defaultPerTaskConfigSize = 3000.0;
      }
      
      @AfterEach
      void after() {
          ParamUtil.setConnectTimeout(defaultConnectTimeout);
          ParamUtil.setReadTimeout(defaultReadTimeout);
          ParamUtil.setPerTaskConfigSize(defaultPerTaskConfigSize);
          System.clearProperty("NACOS.CONNECT.TIMEOUT");
          System.clearProperty("NACOS_READ_TIMEOUT");
          System.clearProperty("PER_TASK_CONFIG_SIZE");
          System.clearProperty(PropertyKeyConst.SystemEnv.ALIBABA_ALIWARE_ENDPOINT_URL);
      }
      
      @Test
      void testSetConnectTimeout() {
          int defaultVal = ParamUtil.getConnectTimeout();
          assertEquals(defaultConnectTimeout, defaultVal);
          
          int expect = 50;
          ParamUtil.setConnectTimeout(expect);
          assertEquals(expect, ParamUtil.getConnectTimeout());
      }
      
      @Test
      void testSetReadTimeout() {
          int defaultVal = ParamUtil.getReadTimeout();
          assertEquals(defaultReadTimeout, defaultVal);
          
          int expect = 3000;
          ParamUtil.setReadTimeout(expect);
          assertEquals(expect, ParamUtil.getReadTimeout());
      }
      
      @Test
      void testGetPerTaskConfigSize() {
          double defaultVal = ParamUtil.getPerTaskConfigSize();
          assertEquals(defaultPerTaskConfigSize, defaultVal, 0.01);
          
          double expect = 50.0;
          ParamUtil.setPerTaskConfigSize(expect);
          assertEquals(expect, ParamUtil.getPerTaskConfigSize(), 0.01);
      }
      
      @Test
      void testInitConnectionTimeoutWithException() throws Throwable {
          assertThrows(IllegalArgumentException.class, () -> {
              Method method = ParamUtil.class.getDeclaredMethod("initConnectionTimeout");
              method.setAccessible(true);
              System.setProperty("NACOS.CONNECT.TIMEOUT", "test");
              try {
                  method.invoke(null);
              } catch (InvocationTargetException e) {
                  throw e.getCause();
              }
          });
      }
      
      @Test
      void testInitReadTimeoutWithException() throws Throwable {
          assertThrows(IllegalArgumentException.class, () -> {
              Method method = ParamUtil.class.getDeclaredMethod("initReadTimeout");
              method.setAccessible(true);
              System.setProperty("NACOS.READ.TIMEOUT", "test");
              try {
                  method.invoke(null);
              } catch (InvocationTargetException e) {
                  throw e.getCause();
              }
          });
      }
      
      @Test
      void testInitPerTaskConfigSizeWithException() throws Throwable {
          assertThrows(IllegalArgumentException.class, () -> {
              Method method = ParamUtil.class.getDeclaredMethod("initPerTaskConfigSize");
              method.setAccessible(true);
              System.setProperty("PER_TASK_CONFIG_SIZE", "test");
              try {
                  method.invoke(null);
              } catch (InvocationTargetException e) {
                  throw e.getCause();
              }
          });
      }
      
      @Test
      void testSimplyEnvNameIfOverLimit() {
          StringBuilder envNameOverLimitBuilder = new StringBuilder("test");
          for (int i = 0; i < 50; i++) {
              envNameOverLimitBuilder.append(i);
          }
          String envName = envNameOverLimitBuilder.toString();
          String actual = ParamUtil.simplyEnvNameIfOverLimit(envName);
          String expect = envName.substring(0, 50) + MD5Utils.md5Hex(envName, "UTF-8");
          assertEquals(expect, actual);
      }
      
      @Test
      void testSimplyEnvNameNotOverLimit() {
          String expect = "test";
          assertEquals(expect, ParamUtil.simplyEnvNameIfOverLimit(expect));
      }
  }