code: /*
   * Copyright (c) 2022 Airbyte, Inc., all rights reserved.
   */
  
  package io.airbyte.server;
  
  import static org.mockito.Mockito.verify;
  import static org.mockito.Mockito.verifyNoMoreInteractions;
  import static org.mockito.Mockito.when;
  
  import io.airbyte.config.StandardSync;
  import io.airbyte.config.StandardSync.Status;
  import io.airbyte.config.persistence.ConfigRepository;
  import io.airbyte.scheduler.client.EventRunner;
  import io.airbyte.scheduler.persistence.JobPersistence;
  import java.util.List;
  import java.util.Set;
  import java.util.UUID;
  import org.junit.jupiter.api.Test;
  import org.junit.jupiter.api.extension.ExtendWith;
  import org.mockito.Mock;
  import org.mockito.junit.jupiter.MockitoExtension;
  
  @ExtendWith(MockitoExtension.class)
  class ServerAppTest {
  
    @Mock
    private ConfigRepository mConfigRepository;
  
    @Mock
    private JobPersistence mJobPersistence;
  
    @Mock
    private EventRunner mEventRunner;
  
    @Test
    void testMigrationAlreadyPerformed() throws Exception {
      when(mJobPersistence.isSchedulerMigrated()).thenReturn(true);
  
      ServerApp.migrateExistingConnectionsToTemporalScheduler(mConfigRepository, mJobPersistence, mEventRunner);
  
      verifyNoMoreInteractions(mJobPersistence);
      verifyNoMoreInteractions(mConfigRepository);
      verifyNoMoreInteractions(mEventRunner);
    }
  
    @Test
    void testPerformMigration() throws Exception {
      when(mJobPersistence.isSchedulerMigrated()).thenReturn(false);
  
      final StandardSync activeConnection = new StandardSync().withStatus(Status.ACTIVE).withConnectionId(UUID.randomUUID());
      final StandardSync inactiveConnection = new StandardSync().withStatus(Status.INACTIVE).withConnectionId(UUID.randomUUID());
      final StandardSync deprecatedConnection = new StandardSync().withStatus(Status.DEPRECATED).withConnectionId(UUID.randomUUID());
      when(mConfigRepository.listStandardSyncs()).thenReturn(List.of(activeConnection, inactiveConnection, deprecatedConnection));
  
      ServerApp.migrateExistingConnectionsToTemporalScheduler(mConfigRepository, mJobPersistence, mEventRunner);
  
      verify(mEventRunner).migrateSyncIfNeeded(Set.of(activeConnection.getConnectionId(), inactiveConnection.getConnectionId()));
      verify(mJobPersistence).setSchedulerMigrationDone();
      verifyNoMoreInteractions(mJobPersistence);
      verifyNoMoreInteractions(mConfigRepository);
      verifyNoMoreInteractions(mEventRunner);
    }
  
  }
  