{
  "description": "wait queue timeout errors include details about checked out connections",
  "schemaVersion": "1.3",
  "runOnRequirements": [
    {
      "topologies": [
        "load-balanced"
      ]
    }
  ],
  "createEntities": [
    {
      "client": {
        "id": "client0",
        "useMultipleMongoses": true,
        "uriOptions": {
          "maxPoolSize": 1,
          "waitQueueTimeoutMS": 50
        },
        "observeEvents": [
          "connectionCheckedOutEvent",
          "connectionCheckOutFailedEvent"
        ]
      }
    },
    {
      "session": {
        "id": "session0",
        "client": "client0"
      }
    },
    {
      "database": {
        "id": "database0",
        "client": "client0",
        "databaseName": "database0Name"
      }
    },
    {
      "collection": {
        "id": "collection0",
        "database": "database0",
        "collectionName": "coll0"
      }
    }
  ],
  "initialData": [
    {
      "collectionName": "coll0",
      "databaseName": "database0Name",
      "documents": [
        {
          "_id": 1
        },
        {
          "_id": 2
        },
        {
          "_id": 3
        }
      ]
    }
  ],
  "tests": [
    {
      "description": "wait queue timeout errors include cursor statistics",
      "operations": [
        {
          "name": "createFindCursor",
          "object": "collection0",
          "arguments": {
            "filter": {},
            "batchSize": 2
          },
          "saveResultAsEntity": "cursor0"
        },
        {
          "name": "insertOne",
          "object": "collection0",
          "arguments": {
            "document": {
              "x": 1
            }
          },
          "expectError": {
            "isClientError": true,
            "errorContains": "maxPoolSize: 1, connections in use by cursors: 1, connections in use by transactions: 0, connections in use by other operations: 0"
          }
        }
      ],
      "expectEvents": [
        {
          "client": "client0",
          "eventType": "cmap",
          "events": [
            {
              "connectionCheckedOutEvent": {}
            },
            {
              "connectionCheckOutFailedEvent": {}
            }
          ]
        }
      ]
    },
    {
      "description": "wait queue timeout errors include transaction statistics",
      "operations": [
        {
          "name": "startTransaction",
          "object": "session0"
        },
        {
          "name": "insertOne",
          "object": "collection0",
          "arguments": {
            "document": {
              "x": 1
            },
            "session": "session0"
          }
        },
        {
          "name": "insertOne",
          "object": "collection0",
          "arguments": {
            "document": {
              "x": 1
            }
          },
          "expectError": {
            "isClientError": true,
            "errorContains": "maxPoolSize: 1, connections in use by cursors: 0, connections in use by transactions: 1, connections in use by other operations: 0"
          }
        }
      ],
      "expectEvents": [
        {
          "client": "client0",
          "eventType": "cmap",
          "events": [
            {
              "connectionCheckedOutEvent": {}
            },
            {
              "connectionCheckOutFailedEvent": {}
            }
          ]
        }
      ]
    }
  ]
}