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 org.junit.jupiter.api.Test;
  import org.mockito.Mockito;
  
  import java.util.concurrent.Callable;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertNull;
  import static org.mockito.Mockito.doThrow;
  import static org.mockito.Mockito.mock;
  import static org.mockito.Mockito.when;
  
  class TemplateUtilsTest {
      
      @Test
      void testStringNotEmptyAndThenExecuteSuccess() {
          String word = "run";
          Runnable task = Mockito.mock(Runnable.class);
          TemplateUtils.stringNotEmptyAndThenExecute(word, task);
          Mockito.verify(task, Mockito.times(1)).run();
      }
      
      @Test
      void testStringNotEmptyAndThenExecuteFail() {
          String word = "";
          Runnable task = Mockito.mock(Runnable.class);
          TemplateUtils.stringNotEmptyAndThenExecute(word, task);
          Mockito.verify(task, Mockito.times(0)).run();
      }
      
      @Test
      void testStringNotEmptyAndThenExecuteException() {
          String word = "run";
          Runnable task = Mockito.mock(Runnable.class);
          doThrow(new RuntimeException("test")).when(task).run();
          TemplateUtils.stringNotEmptyAndThenExecute(word, task);
          Mockito.verify(task, Mockito.times(1)).run();
          // NO exception thrown
      }
      
      @Test
      void testStringEmptyAndThenExecuteSuccess() {
          String word = "   ";
          String actual = TemplateUtils.stringEmptyAndThenExecute(word, () -> "call");
          assertEquals("", actual);
      }
      
      @Test
      void testStringEmptyAndThenExecuteFail() {
          String word = "";
          final String expect = "call";
          String actual = TemplateUtils.stringEmptyAndThenExecute(word, () -> expect);
          assertEquals(expect, actual);
      }
      
      @Test
      void testStringEmptyAndThenExecuteException() throws Exception {
          Callable callable = mock(Callable.class);
          when(callable.call()).thenThrow(new RuntimeException("test"));
          String actual = TemplateUtils.stringEmptyAndThenExecute(null, callable);
          assertNull(actual);
      }
      
      @Test
      void testStringBlankAndThenExecuteSuccess() {
          String word = "success";
          String actual = TemplateUtils.stringBlankAndThenExecute(word, () -> "call");
          assertEquals(word, actual);
      }
      
      @Test
      void testStringBlankAndThenExecuteFail() {
          String word = "   ";
          final String expect = "call";
          String actual = TemplateUtils.stringBlankAndThenExecute(word, () -> expect);
          assertEquals(expect, actual);
      }
      
      @Test
      void testStringBlankAndThenExecuteException() throws Exception {
          Callable callable = mock(Callable.class);
          when(callable.call()).thenThrow(new RuntimeException("test"));
          String actual = TemplateUtils.stringBlankAndThenExecute(null, callable);
          assertNull(actual);
      }
  }