description: "aggregate"

schemaVersion: "1.0"

createEntities:
  - client:
      id: &client0 client0
      useMultipleMongoses: true # ensure cursors pin to a single server
      observeEvents: [ commandStartedEvent ]
  - database:
      id: &database0 database0
      client: *client0
      databaseName: &database0Name aggregate-tests
  - collection:
      id: &collection0 collection0
      database: *database0
      collectionName: &collection0Name coll0

initialData:
  - collectionName: *collection0Name
    databaseName: *database0Name
    documents:
      - { _id: 1, x: 11 }
      - { _id: 2, x: 22 }
      - { _id: 3, x: 33 }
      - { _id: 4, x: 44 }
      - { _id: 5, x: 55 }
      - { _id: 6, x: 66 }

tests:
  - description: "aggregate with multiple batches works"
    operations:
      - name: aggregate
        arguments:
          pipeline: [ { $match: { _id: { $gt: 1 } }} ]
          batchSize: 2
        object: *collection0
        expectResult:
          - { _id: 2, x: 22 }
          - { _id: 3, x: 33 }
          - { _id: 4, x: 44 }
          - { _id: 5, x: 55 }
          - { _id: 6, x: 66 }
    expectEvents:
      - client: *client0
        events:
          - commandStartedEvent:
              command:
                aggregate: *collection0Name
                pipeline: [ { $match: { _id: { $gt: 1 } }} ]
                cursor: { batchSize: 2 }
              commandName: aggregate
              databaseName: *database0Name
          - commandStartedEvent:
              command:
                getMore: { $$type: [ int, long ] }
                collection: *collection0Name
                batchSize: 2
              commandName: getMore
              databaseName: *database0Name
          - commandStartedEvent:
              command:
                getMore: { $$type: [ int, long ] }
                collection: *collection0Name
                batchSize: 2
              commandName: getMore
              databaseName: *database0Name

  - description: "aggregate with a string comment"
    runOnRequirements:
      - minServerVersion: "3.6.0"
    operations:
      - name: aggregate
        arguments:
          pipeline: [ { $match: { _id: { $gt: 1 } }} ]
          comment: "comment"
        object: *collection0
    expectEvents:
      - client: *client0
        events:
          - commandStartedEvent:
              command:
                aggregate: *collection0Name
                pipeline: [ { $match: { _id: { $gt: 1 } } } ]
                comment: "comment"

  - description: "aggregate with a document comment"
    runOnRequirements:
      - minServerVersion: "4.4"
    operations:
      - name: aggregate
        arguments:
          pipeline: [ { $match: { _id: { $gt: 1 } }} ]
          comment: &comment0 { content: "test" }
        object: *collection0
    expectEvents:
      - client: *client0
        events:
          - commandStartedEvent:
              command:
                aggregate: *collection0Name
                pipeline: [ { $match: { _id: { $gt: 1 } } } ]
                comment: *comment0

  - description: "aggregate with a document comment - pre 4.4"
    runOnRequirements:
      - minServerVersion: "3.6.0"
        maxServerVersion: "4.2.99"
    operations:
      - name: aggregate
        object: *collection0
        arguments:
          pipeline: [ { $match: { _id: { $gt: 1 } }} ]
          comment: *comment0
        expectError:
          isClientError: false
    expectEvents:
      - client: *client0
        events:
          - commandStartedEvent:
              command:
                aggregate: *collection0Name
                pipeline: [ { $match: { _id: { $gt: 1 } }} ]
                comment: *comment0
              commandName: aggregate
              databaseName: *database0Name

  - description: "aggregate with comment sets comment on getMore"
    runOnRequirements:
      - minServerVersion: "4.4.0"
        topologies: [ single, replicaset ]
       operations:
      - name: aggregate
        arguments:
          pipeline: [ { $match: { _id: { $gt: 1 } }} ]
          batchSize: 2
          comment: *comment0
        object: *collection0
        expectResult:
          - { _id: 2, x: 22 }
          - { _id: 3, x: 33 }
          - { _id: 4, x: 44 }
          - { _id: 5, x: 55 }
          - { _id: 6, x: 66 }
    expectEvents:
      - client: *client0
        events:
          - commandStartedEvent:
              command:
                aggregate: *collection0Name
                pipeline: [ { $match: { _id: { $gt: 1 } }} ]
                cursor: { batchSize: 2 }
                comment: *comment0
              commandName: aggregate
              databaseName: *database0Name
          - commandStartedEvent:
              command:
                getMore: { $$type: [ int, long ] }
                collection: *collection0Name
                batchSize: 2
                comment: *comment0
              commandName: getMore
              databaseName: *database0Name
          - commandStartedEvent:
              command:
                getMore: { $$type: [ int, long ] }
                collection: *collection0Name
                batchSize: 2
                comment: *comment0
              commandName: getMore
              databaseName: *database0Name

  - description: "aggregate with comment does not set comment on getMore - pre 4.4"
    runOnRequirements:
      - minServerVersion: "3.6.0"
        maxServerVersion: "4.3.99"
    operations:
      - name: aggregate
        arguments:
          pipeline: [ { $match: { _id: { $gt: 1 } }} ]
          batchSize: 2
          comment: "comment"
        object: *collection0
        expectResult:
          - { _id: 2, x: 22 }
          - { _id: 3, x: 33 }
          - { _id: 4, x: 44 }
          - { _id: 5, x: 55 }
          - { _id: 6, x: 66 }
    expectEvents:
      - client: *client0
        events:
          - commandStartedEvent:
              command:
                aggregate: *collection0Name
                pipeline: [ { $match: { _id: { $gt: 1 } }} ]
                cursor: { batchSize: 2 }
                comment: "comment"
              commandName: aggregate
              databaseName: *database0Name
          - commandStartedEvent:
              command:
                getMore: { $$type: [ int, long ] }
                collection: *collection0Name
                batchSize: 2
                comment: { $$exists: false }
              commandName: getMore
              databaseName: *database0Name
          - commandStartedEvent:
              command:
                getMore: { $$type: [ int, long ] }
                collection: *collection0Name
                batchSize: 2
                comment: { $$exists: false }
              commandName: getMore
              databaseName: *database0Name
