content: /*
   * Copyright 2010-2025 Hyland Software, Inc. and its affiliates.
   *
   * 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 org.activiti.application;
  
  import static java.util.Collections.singletonList;
  import static org.assertj.core.api.Assertions.assertThat;
  import static org.assertj.core.api.Assertions.catchThrowable;
  import static org.mockito.BDDMockito.given;
  import static org.mockito.Mockito.mock;
  
  import java.io.IOException;
  import java.io.InputStream;
  import java.util.List;
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.api.extension.ExtendWith;
  import org.mockito.InjectMocks;
  import org.mockito.Mock;
  import org.mockito.junit.jupiter.MockitoExtension;
  import org.springframework.core.io.Resource;
  
  @ExtendWith(MockitoExtension.class)
  public class ApplicationServiceTest {
  
      @InjectMocks
      private ApplicationService applicationService;
  
      @Mock
      private ApplicationDiscovery applicationDiscovery;
  
      @Mock
      private ApplicationReader applicationReader;
  
      @Test
      public void shouldLoadApplications() throws Exception {
          //given
          Resource applicationResource = mock(Resource.class);
          given(applicationResource.getInputStream()).willReturn(mock(InputStream.class));
  
          given(applicationDiscovery.discoverApplications()).willReturn(singletonList(applicationResource));
  
          ApplicationContent applicationContent = new ApplicationContent();
          given(applicationReader.read(applicationResource.getInputStream())).willReturn(applicationContent);
  
          //when
          List<ApplicationContent> applicationContents = applicationService.loadApplications();
  
          //then
          assertThat(applicationContents).containsExactly(applicationContent);
      }
  
      @Test
      public void shouldThrowApplicationLoadExceptionWhenIOExceptionOccurs() throws Exception {
          //given
          Resource applicationResource = mock(Resource.class);
          IOException ioException = new IOException();
          given(applicationResource.getInputStream()).willThrow(ioException);
  
          given(applicationDiscovery.discoverApplications()).willReturn(singletonList(applicationResource));
  
          //when
          Throwable thrown = catchThrowable(() -> applicationService.loadApplications());
  
          //then
          assertThat(thrown).isInstanceOf(ApplicationLoadException.class).hasCause(ioException);
      }
  }
  