{
  "data": [
    {
      "_id": 1,
      "x": 11
    },
    {
      "_id": 2,
      "x": 22
    }
  ],
  "collection_name": "default_write_concern_coll",
  "database_name": "default_write_concern_db",
  "runOn": [
    {
      "minServerVersion": "3.4"
    }
  ],
  "tests": [
    {
      "description": "Aggregate with $out omits default write concern",
      "operations": [
        {
          "object": "collection",
          "collectionOptions": {
            "writeConcern": {}
          },
          "name": "aggregate",
          "arguments": {
            "pipeline": [
              {
                "$match": {
                  "_id": {
                    "$gt": 1
                  }
                }
              },
              {
                "$out": "other_collection_name"
              }
            ]
          }
        }
      ],
      "outcome": {
        "collection": {
          "name": "other_collection_name",
          "data": [
            {
              "_id": 2,
              "x": 22
            }
          ]
        }
      },
      "expectations": [
        {
          "command_started_event": {
            "command": {
              "aggregate": "default_write_concern_coll",
              "pipeline": [
                {
                  "$match": {
                    "_id": {
                      "$gt": 1
                    }
                  }
                },
                {
                  "$out": "other_collection_name"
                }
              ],
              "writeConcern": null
            }
          }
        }
      ]
    },
    {
      "description": "RunCommand with a write command omits default write concern (runCommand should never inherit write concern)",
      "operations": [
        {
          "object": "database",
          "databaseOptions": {
            "writeConcern": {}
          },
          "name": "runCommand",
          "command_name": "delete",
          "arguments": {
            "command": {
              "delete": "default_write_concern_coll",
              "deletes": [
                {
                  "q": {},
                  "limit": 1
                }
              ]
            }
          }
        }
      ],
      "expectations": [
        {
          "command_started_event": {
            "command": {
              "delete": "default_write_concern_coll",
              "deletes": [
                {
                  "q": {},
                  "limit": 1
                }
              ],
              "writeConcern": null
            }
          }
        }
      ]
    },
    {
      "description": "CreateIndex and dropIndex omits default write concern",
      "operations": [
        {
          "object": "collection",
          "collectionOptions": {
            "writeConcern": {}
          },
          "name": "createIndex",
          "arguments": {
            "keys": {
              "x": 1
            }
          }
        },
        {
          "object": "collection",
          "collectionOptions": {
            "writeConcern": {}
          },
          "name": "dropIndex",
          "arguments": {
            "name": "x_1"
          }
        }
      ],
      "expectations": [
        {
          "command_started_event": {
            "command": {
              "createIndexes": "default_write_concern_coll",
              "indexes": [
                {
                  "name": "x_1",
                  "key": {
                    "x": 1
                  }
                }
              ],
              "writeConcern": null
            }
          }
        },
        {
          "command_started_event": {
            "command": {
              "dropIndexes": "default_write_concern_coll",
              "index": "x_1",
              "writeConcern": null
            }
          }
        }
      ]
    },
    {
      "description": "MapReduce omits default write concern",
      "operations": [
        {
          "name": "mapReduce",
          "object": "collection",
          "collectionOptions": {
            "writeConcern": {}
          },
          "arguments": {
            "map": {
              "$code": "function inc() { return emit(0, this.x + 1) }"
            },
            "reduce": {
              "$code": "function sum(key, values) { return values.reduce((acc, x) => acc + x); }"
            },
            "out": {
              "inline": 1
            }
          }
        }
      ],
      "expectations": [
        {
          "command_started_event": {
            "command": {
              "mapReduce": "default_write_concern_coll",
              "map": {
                "$code": "function inc() { return emit(0, this.x + 1) }"
              },
              "reduce": {
                "$code": "function sum(key, values) { return values.reduce((acc, x) => acc + x); }"
              },
              "out": {
                "inline": 1
              },
              "writeConcern": null
            }
          }
        }
      ]
    }
  ]
}