content: package com.alibaba.cloudapp.starter.oauth2.configuration;
  
  import com.alibaba.cloudapp.api.oauth2.AuthorizationService;
  import com.alibaba.cloudapp.starter.oauth2.properties.OAuth2ClientProperties;
  import org.junit.jupiter.api.BeforeEach;
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.api.extension.ExtendWith;
  import org.mockito.Mock;
  import org.mockito.junit.jupiter.MockitoExtension;
  
  import java.util.Arrays;
  import java.util.Collections;
  
  import static org.junit.jupiter.api.Assertions.assertEquals;
  import static org.junit.jupiter.api.Assertions.assertThrows;
  import static org.mockito.Mockito.when;
  
  @ExtendWith(MockitoExtension.class)
  class OAuth2ComponentTest {
      
      @Mock
      private OAuth2ClientProperties mockProperties;
      
      private OAuth2Component component;
      
      @BeforeEach
      void setUp() {
          component = new OAuth2Component(mockProperties);
      }
      
      @Test
      void testPostStart() {
          // Setup
          when(mockProperties.getClientId()).thenReturn("result");
          when(mockProperties.getClientSecret()).thenReturn("result");
          when(mockProperties.getGrantTypes()).thenReturn(Arrays.asList("value"));
          when(mockProperties.getScopes()).thenReturn(Arrays.asList("value"));
          
          // Run the test
          component.postStart();
          
          // Verify the results
      }
      
      @Test
      void testPostStart_OAuth2ClientPropertiesGetGrantTypesReturnsNull() {
          // Setup
          when(mockProperties.getClientId()).thenReturn("result");
          when(mockProperties.getClientSecret()).thenReturn("result");
          when(mockProperties.getGrantTypes()).thenReturn(null);
          
          // Run the test
          assertThrows(IllegalArgumentException.class,
                       () -> component.postStart()
          );
      }
      
      @Test
      void testPostStart_OAuth2ClientPropertiesGetGrantTypesReturnsNoItems() {
          // Setup
          when(mockProperties.getClientId()).thenReturn("result");
          when(mockProperties.getClientSecret()).thenReturn("result");
          when(mockProperties.getGrantTypes())
                  .thenReturn(Collections.emptyList());
          
          // Run the test
          assertThrows(IllegalArgumentException.class,
                       () -> component.postStart()
          );
      }
      
      @Test
      void testPostStart_OAuth2ClientPropertiesGetScopesReturnsNull() {
          // Setup
          when(mockProperties.getClientId()).thenReturn("result");
          when(mockProperties.getClientSecret()).thenReturn("result");
          when(mockProperties.getGrantTypes()).thenReturn(Arrays.asList("value"));
          when(mockProperties.getScopes()).thenReturn(null);
          
          // Run the test
          assertThrows(IllegalArgumentException.class,
                       () -> component.postStart()
          );
      }
      
      @Test
      void testPostStart_OAuth2ClientPropertiesGetScopesReturnsNoItems() {
          // Setup
          when(mockProperties.getClientId()).thenReturn("result");
          when(mockProperties.getClientSecret()).thenReturn("result");
          when(mockProperties.getGrantTypes()).thenReturn(Arrays.asList("value"));
          when(mockProperties.getScopes()).thenReturn(Collections.emptyList());
          when(mockProperties.getScopes()).thenReturn(Arrays.asList("value"));
          
          // Run the test
          component.postStart();
          
          // Verify the results
      }
      
      @Test
      void testPreStop() {
          component.preStop();
      }
      
      @Test
      void testBindKey() {
          assertEquals("com.alibaba.cloudapp.oauth2", component.bindKey());
      }
      
      @Test
      void testGetName() {
          assertEquals("cloudappAuthorizationService",
                       component.getName()
          );
      }
      
      @Test
      void testCreateBean() {
          // Setup
          final OAuth2ClientProperties properties = new OAuth2ClientProperties();
          properties.setClientId("clientId");
          properties.setClientSecret("clientSecret");
          properties.setScopes(Arrays.asList("value"));
          properties.setRedirectUri("redirectUri");
          properties.setGrantTypes(Arrays.asList("value"));
          
          // Run the test
          final AuthorizationService result = component.createBean(
                  properties);
          
          // Verify the results
      }
      
  }
  