content: /*
   * Copyright 1999-2019 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.csp.sentinel.adapter.gateway.common.param;
  
  import org.junit.After;
  import org.junit.Before;
  import org.junit.Test;
  
  import static org.assertj.core.api.Assertions.assertThat;
  
  /**
   * @author Eric Zhao
   */
  public class GatewayRegexCacheTest {
  
      @Before
      public void setUp() {
          GatewayRegexCache.clear();
      }
  
      @After
      public void tearDown() {
          GatewayRegexCache.clear();
      }
  
      @Test
      public void testAddAndGetRegexPattern() {
          // Test for invalid pattern.
          assertThat(GatewayRegexCache.addRegexPattern("\\")).isFalse();
          assertThat(GatewayRegexCache.addRegexPattern(null)).isFalse();
          // Test for good pattern.
          String goodPattern = "\\d+";
          assertThat(GatewayRegexCache.addRegexPattern(goodPattern)).isTrue();
          assertThat(GatewayRegexCache.getRegexPattern(goodPattern)).isNotNull();
      }
  }
  