runOn:
  - minServerVersion: "4.0"
    topology: ["replicaset"]

database_name: &database_name "transaction-tests"
collection_name: &collection_name "test"

data: []

tests:

  - description: readConcern snapshot in startTransaction options

    sessionOptions:
      session0:
        defaultTransactionOptions:
          readConcern:
            level: majority # Overridden.

    operations:
      - name: startTransaction
        object: session0
        arguments:
          options:
            readConcern:
              level: snapshot
      - name: insertOne
        object: collection
        arguments:
          session: session0
          document:
            _id: 1
        result:
          insertedId: 1
      - name: commitTransaction
        object: session0
      # Now test abort.
      - name: startTransaction
        object: session0
        arguments:
          options:
            readConcern:
              level: snapshot
      - name: insertOne
        object: collection
        arguments:
          session: session0
          document:
            _id: 2
        result:
          insertedId: 2
      - name: abortTransaction
        object: session0

    expectations:
      - command_started_event:
          command:
            insert: *collection_name
            documents:
              - _id: 1
            ordered: true
            lsid: session0
            txnNumber:
              $numberLong: "1"
            startTransaction: true
            autocommit: false
            readConcern:
              level: snapshot
            writeConcern:
          command_name: insert
          database_name: *database_name
      - command_started_event:
          command:
            commitTransaction: 1
            lsid: session0
            txnNumber:
              $numberLong: "1"
            startTransaction:
            autocommit: false
            readConcern:
            writeConcern:
          command_name: commitTransaction
          database_name: admin
      - command_started_event:
          command:
            insert: *collection_name
            documents:
              - _id: 2
            ordered: true
            lsid: session0
            txnNumber:
              $numberLong: "2"
            startTransaction: true
            autocommit: false
            readConcern:
              level: snapshot
              afterClusterTime: 42
            writeConcern:
          command_name: insert
          database_name: *database_name
      - command_started_event:
          command:
            abortTransaction: 1
            lsid: session0
            txnNumber:
              $numberLong: "2"
            startTransaction:
            autocommit: false
            readConcern:
            writeConcern:
          command_name: abortTransaction
          database_name: admin

    outcome:
      collection:
        data:
          - _id: 1