description: mongos-unpin

schemaVersion: '1.4'

runOnRequirements:
  - minServerVersion: '4.2'
    topologies: [ sharded ]

createEntities:
  - client:
      id: &client0 client0
      useMultipleMongoses: true
  - database:
      id: &database0 database0
      client: *client0
      databaseName: &database0Name mongos-unpin-db
  - collection:
      id: &collection0 collection0
      database: *database0
      collectionName: &collection0Name test
  - session:
      id: &session0 session0
      client: *client0

initialData:
  - collectionName: *collection0Name
    databaseName: *database0Name
    documents: []

_yamlAnchors:
  anchors:
    # LockTimeout will cause the server to add a TransientTransactionError label. It is not retryable.
    &lockTimeoutErrorCode 24

tests:
  - description: unpin after TransientTransactionError error on commit
    runOnRequirements:
        # serverless proxy doesn't append error labels to errors in transactions
        # caused by failpoints (CLOUDP-88216)
      - serverless: "forbid"
    operations:
      - &startTransaction
        name: startTransaction
        object: *session0
      - &insertOne
        name: insertOne
        object: *collection0
        arguments:
          document: { x: 1 }
          session: *session0
      - name: targetedFailPoint
        object: testRunner
        arguments:
          session: *session0
          failPoint:
            configureFailPoint: failCommand
            mode: { times: 1 }
            data:
              failCommands: [ commitTransaction ]
              errorCode: *lockTimeoutErrorCode
      - name: commitTransaction
        object: *session0
        expectError:
          # LockTimeout is not retryable, so the commit fails.
          errorCode: *lockTimeoutErrorCode
          errorLabelsContain: [ TransientTransactionError ]
          errorLabelsOmit: [ UnknownTransactionCommitResult ]
      - &assertNoPinnedServer
        name: assertSessionUnpinned
        object: testRunner
        arguments:
          session: *session0
      # Cleanup the potentionally open server transaction by starting and
      # aborting a new transaction on the same session.
      - *startTransaction
      - *insertOne
      - &abortTransaction
        name: abortTransaction
        object: *session0

  - description: unpin on successful abort
    operations:
      - *startTransaction
      - *insertOne
      - *abortTransaction
      - *assertNoPinnedServer

  - description: unpin after non-transient error on abort
    runOnRequirements:
        # serverless proxy doesn't append error labels to errors in transactions
        # caused by failpoints (CLOUDP-88216)
      - serverless: "forbid"
    operations:
      - *startTransaction
      - *insertOne
      - name: targetedFailPoint
        object: testRunner
        arguments:
          session: *session0
          failPoint:
            configureFailPoint: failCommand
            mode: { times: 1 }
            data:
              failCommands: [ abortTransaction ]
              errorCode: *lockTimeoutErrorCode
      - *abortTransaction
      - *assertNoPinnedServer
      # Cleanup the potentionally open server transaction by starting and
      # aborting a new transaction on the same session.
      - *startTransaction
      - *insertOne
      - *abortTransaction

  - description: unpin after TransientTransactionError error on abort
    operations:
      - *startTransaction
      - *insertOne
      - name: targetedFailPoint
        object: testRunner
        arguments:
          session: *session0
          failPoint:
            configureFailPoint: failCommand
            mode: { times: 1 }
            data:
              failCommands: [ abortTransaction ]
              errorCode: 91 # ShutdownInProgress
      - *abortTransaction
      - *assertNoPinnedServer
      # Cleanup the potentionally open server transaction by starting and
      # aborting a new transaction on the same session.
      - *startTransaction
      - *insertOne
      - *abortTransaction

  - description: unpin when a new transaction is started
    operations:
      - *startTransaction
      - *insertOne
      - name: commitTransaction
        object: *session0
      - &assertPinnedServer
        name: assertSessionPinned
        object: testRunner
        arguments:
          session: *session0
      - *startTransaction
      - *assertNoPinnedServer

  - description: unpin when a non-transaction write operation uses a session
    operations:
      - *startTransaction
      - *insertOne
      - name: commitTransaction
        object: *session0
      - *assertPinnedServer
      - *insertOne
      - *assertNoPinnedServer

  - description: unpin when a non-transaction read operation uses a session
    operations:
      - *startTransaction
      - *insertOne
      - name: commitTransaction
        object: *session0
      - *assertPinnedServer
      - name: find
        object: *collection0
        arguments:
          filter: { x: 1 }
          session: *session0
      - *assertNoPinnedServer
