Elep

{
  "data": [
    {
      "_id": 1,
      "x": 11
    }
  ],
  "collection_name": "test",
  "database_name": "command-monitoring-tests",
  "tests": [
    {
      "description": "A successful command",
      "operation": {
        "name": "count",
        "arguments": {
          "filter": {
            "_id": 1
          }
        }
      },
      "expectations": [
        {
          "command_started_event": {
            "command": {
              "count": "test",
              "query": {
                "_id": 1
              }
            },
            "command_name": "count",
            "database_name": "command-monitoring-tests"
          }
        },
        {
          "command_succeeded_event": {
            "reply": {
              "ok": 1,
              "n": 1
            },
            "command_name": "count"
          }
        }
      ]
    },
    {
      "description": "A failed command event",
      "operation": {
        "name": "count",
        "arguments": {
          "filter": {
            "$or": true
          }
        }
      },
      "expectations": [
        {
          "command_started_event": {
            "command": {
              "count": "test",
              "query": {
                "$or": true
              }
            },
            "command_name": "count",
            "database_name": "command-monitoring-tests"
          }
        },
        {
          "command_failed_event": {
            "command_name": "count"
          }
        }
      ]
    },
    {
      "description": "A successful command with a non-primary read preference",
      "operation": {
        "name": "count",
        "arguments": {
          "filter": {
            "_id": 1
          }
        },
        "read_preference": {
          "mode": "primaryPreferred"
        }
      },
      "expectations": [
        {
          "command_started_event": {
            "command": {
              "count": "test",
              "query": {
                "_id": 1
              }
            },
            "command_name": "count",
            "database_name": "command-monitoring-tests"
          }
        },
        {
          "command_succeeded_event": {
            "reply": {
              "ok": 1,
              "n": 1
            },
            "command_name": "count"
          }
        }
      ]
    }
  ]
}