description: entity-commandCursor
schemaVersion: '1.3'
createEntities:
  - client:
      id: &client client
      useMultipleMongoses: false
      observeEvents: [commandStartedEvent]
  - database:
      id: &db db
      client: *client
      databaseName: *db
  - collection:
      id: &collection collection
      database: *db
      collectionName: *collection
initialData:
  - collectionName: collection
    databaseName: *db
    documents: &documents
      - { _id: 1, x: 11 }
      - { _id: 2, x: 22 }
      - { _id: 3, x: 33 }
      - { _id: 4, x: 44 }
      - { _id: 5, x: 55 }
tests:
  - description: runCursorCommand creates and exhausts cursor by running getMores
    operations:
      - name: runCursorCommand
        object: *db
        arguments:
          commandName: find
          batchSize: 2
          command: { find: *collection, filter: {}, batchSize: 2 }
        expectResult: *documents
    expectEvents:
      - client: *client
        events:
          - commandStartedEvent:
              command:
                find: *collection
                filter: {}
                batchSize: 2
                $db: *db
                lsid: { $$exists: true }
              commandName: find
          - commandStartedEvent:
              command:
                getMore: { $$type: [int, long] }
                collection: *collection
                $db: *db
                lsid: { $$exists: true }
              commandName: getMore
          - commandStartedEvent:
              command:
                getMore: { $$type: [int, long] }
                collection: *collection
                $db: *db
                lsid: { $$exists: true }
              commandName: getMore

  - description: createCommandCursor creates a cursor and stores it as an entity that can be iterated one document at a time
    operations:
      - name: createCommandCursor
        object: *db
        arguments:
          commandName: find
          batchSize: 2
          command: { find: *collection, filter: {}, batchSize: 2 }
        saveResultAsEntity: &myRunCommandCursor myRunCommandCursor
      - name: iterateUntilDocumentOrError
        object: *myRunCommandCursor
        expectResult: { _id: 1, x: 11 }
      - name: iterateUntilDocumentOrError
        object: *myRunCommandCursor
        expectResult: { _id: 2, x: 22 }
      - name: iterateUntilDocumentOrError
        object: *myRunCommandCursor
        expectResult: { _id: 3, x: 33 }
      - name: iterateUntilDocumentOrError
        object: *myRunCommandCursor
        expectResult: { _id: 4, x: 44 }
      - name: iterateUntilDocumentOrError
        object: *myRunCommandCursor
        expectResult: { _id: 5, x: 55 }

  - description: createCommandCursor's cursor can be closed and will perform a killCursors operation
    operations:
      - name: createCommandCursor
        object: *db
        arguments:
          commandName: find
          batchSize: 2
          command: { find: *collection, filter: {}, batchSize: 2 }
        saveResultAsEntity: myRunCommandCursor
      - name: iterateUntilDocumentOrError
        object: *myRunCommandCursor
        expectResult: { _id: 1, x: 11 }
      - name: close
        object: *myRunCommandCursor
    expectEvents:
      - client: *client
        events:
          - commandStartedEvent:
              command:
                find: *collection
                filter: {}
                batchSize: 2
                $db: *db
                lsid: { $$exists: true }
              commandName: find
          - commandStartedEvent:
              command:
                killCursors: *collection
                cursors: { $$type: array }
              commandName: killCursors