File: poc-sessions.yml

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golang-mongodb-mongo-driver 1.8.1%2Bds1-1
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description: "poc-sessions"

schemaVersion: "1.0"

runOnRequirements:
  - minServerVersion: "3.6.0"

createEntities:
  - client:
      id: &client0 client0
      useMultipleMongoses: false
      observeEvents: [ commandStartedEvent ]
  - database:
      id: &database0 database0
      client: *client0
      databaseName: &database0Name session-tests
  - collection:
      id: &collection0 collection0
      database: *database0
      collectionName: &collection0Name test
  - session:
      id: &session0 session0
      client: *client0

initialData:
  - collectionName: *collection0Name
    databaseName: *database0Name
    documents:
      - { _id: 1 }

tests:
  - description: "Server supports explicit sessions"
    operations:
      - name: assertSessionNotDirty
        object: testRunner
        arguments:
          session: *session0
      - name: insertOne
        object: *collection0
        arguments:
          session: *session0
          document: { _id: 2 }
        expectResult: { $$unsetOrMatches: { insertedId: { $$unsetOrMatches: 2 } } }
      - name: assertSessionNotDirty
        object: testRunner
        arguments:
          session: *session0
      - name: endSession
        object: *session0
      - &find_with_implicit_session
        name: find
        object: *collection0
        arguments:
          filter: { _id: -1 }
        expectResult: []
      - name: assertSameLsidOnLastTwoCommands
        object: testRunner
        arguments:
          client: *client0
    expectEvents:
      - client: *client0
        events:
          - commandStartedEvent:
              command:
                insert: *collection0Name
                documents: [ { _id: 2 } ]
                ordered: true
                lsid: { $$sessionLsid: *session0 }
              commandName: insert
              databaseName: *database0Name
          - commandStartedEvent:
              command:
                find: *collection0Name
                filter: { _id: -1 }
                lsid: { $$sessionLsid: *session0 }
              commandName: find
              databaseName: *database0Name
    outcome:
      - collectionName: *collection0Name
        databaseName: *database0Name
        documents:
          - { _id: 1 }
          - { _id: 2 }

  - description: "Server supports implicit sessions"
    operations:
      - name: insertOne
        object: *collection0
        arguments:
          document: { _id: 2 }
        expectResult: { $$unsetOrMatches: { insertedId: { $$unsetOrMatches: 2 } } }
      - *find_with_implicit_session
      - name: assertSameLsidOnLastTwoCommands
        object: testRunner
        arguments:
          client: *client0
    expectEvents:
      - client: *client0
        events:
          - commandStartedEvent:
              command:
                insert: *collection0Name
                documents:
                  - { _id: 2 }
                ordered: true
                # Original test did not include any assertion, but we can use
                # $$type to expect an arbitrary lsid document
                lsid: { $$type: object }
              commandName: insert
              databaseName: *database0Name
          - commandStartedEvent:
              command:
                find: *collection0Name
                filter: { _id: -1 }
                lsid: { $$type: object }
              commandName: find
              databaseName: *database0Name
    outcome:
      - collectionName: *collection0Name
        databaseName: *database0Name
        documents:
          - { _id: 1 }
          - { _id: 2 }

  - description: "Dirty explicit session is discarded"
    # Original test specified retryWrites=true, but that is now the default.
    # Retryable writes will require a sharded-replicaset, though.
    runOnRequirements:
      - minServerVersion: "4.0"
        topologies: [ replicaset ]
      - minServerVersion: "4.1.8"
        topologies: [ sharded-replicaset ]
    operations:
      - name: failPoint
        object: testRunner
        arguments:
          client: *client0
          failPoint:
            configureFailPoint: failCommand
            mode: { times: 1 }
            data:
              failCommands: [ insert ]
              closeConnection: true
      - name: assertSessionNotDirty
        object: testRunner
        arguments:
          session: *session0
      - name: insertOne
        object: *collection0
        arguments:
          session: *session0
          document: { _id: 2 }
        expectResult: { $$unsetOrMatches: { insertedId: { $$unsetOrMatches: 2 } } }
      - name: assertSessionDirty
        object: testRunner
        arguments:
          session: *session0
      - name: insertOne
        object: *collection0
        arguments:
          session: *session0
          document: { _id: 3 }
        expectResult: { $$unsetOrMatches: { insertedId: { $$unsetOrMatches: 3 } } }
      - name: assertSessionDirty
        object: testRunner
        arguments:
          session: *session0
      - name: endSession
        object: *session0
      - *find_with_implicit_session
      - name: assertDifferentLsidOnLastTwoCommands
        object: testRunner
        arguments:
          client: *client0
    expectEvents:
      - client: *client0
        events:
          # ajv's YAML parser is unable to handle anchors on array elements, so
          # we define an anchor on the commandStartedEvent object instead
          - commandStartedEvent: &insert_attempt
              command:
                insert: *collection0Name
                documents: 
                  - { _id: 2 }
                ordered: true
                lsid: { $$sessionLsid: *session0 }
                txnNumber: 1
              commandName: insert
              databaseName: *database0Name
          - commandStartedEvent: *insert_attempt
          - commandStartedEvent:
              command:
                insert: *collection0Name
                documents: 
                  - { _id: 3 }
                ordered: true
                lsid: { $$sessionLsid: *session0 }
                txnNumber: 2
              commandName: insert
              databaseName: *database0Name
          - commandStartedEvent:
              command:
                find: *collection0Name
                filter: { _id: -1 }
                lsid: { $$type: object }
              commandName: find
              databaseName: *database0Name
    outcome:
      - collectionName: *collection0Name
        databaseName: *database0Name
        documents:
          - { _id: 1 }
          - { _id: 2 }
          - { _id: 3 }