description: snapshot-sessions-not-supported-server-error

schemaVersion: "1.0"

runOnRequirements:
  - minServerVersion: "5.0"
    topologies: [ single ]

createEntities:
  - client:
      id: &client0 client0
      observeEvents: [ commandStartedEvent, commandFailedEvent ]
  - database:
      id: &database0Name database0
      client: *client0
      databaseName: *database0Name
  - collection:
      id: &collection0Name collection0
      database: *database0Name
      collectionName: *collection0Name
  - session:
      id: session0
      client: client0
      sessionOptions:
        snapshot: true

initialData:
  - collectionName: *collection0Name
    databaseName: *database0Name
    documents:
      - { _id: 1, x: 11 }

tests:
- description: Server returns an error on find with snapshot
  operations:
  - name: find
    object: collection0
    arguments:
      session: session0
      filter: {}
    expectError:
      isError: true
      isClientError: false
  expectEvents:
  - client: client0
    events:
    - commandStartedEvent:
        command:
          find: collection0
          readConcern:
            level: snapshot
            atClusterTime:
              "$$exists": false
    - commandFailedEvent:
        commandName: find

- description: Server returns an error on aggregate with snapshot
  operations:
  - name: aggregate
    object: collection0
    arguments:
      session: session0
      pipeline: []
    expectError:
      isError: true
      isClientError: false
  expectEvents:
  - client: client0
    events:
    - commandStartedEvent:
        command:
          aggregate: collection0
          readConcern:
            level: snapshot
            atClusterTime:
              "$$exists": false
    - commandFailedEvent:
        commandName: aggregate

- description: Server returns an error on distinct with snapshot
  operations:
  - name: distinct
    object: collection0
    arguments:
      fieldName: x
      filter: {}
      session: session0
    expectError:
      isError: true
      isClientError: false
  expectEvents:
  - client: client0
    events:
    - commandStartedEvent:
        command:
          distinct: collection0
          readConcern:
            level: snapshot
            atClusterTime:
              "$$exists": false
    - commandFailedEvent:
        commandName: distinct