{
  "data": [
    {
      "_id": 1,
      "x": 11
    },
    {
      "_id": 2,
      "x": 22
    },
    {
      "_id": 3,
      "x": 33
    }
  ],
  "tests": [
    {
      "description": "ReplaceOne when many documents match",
      "operation": {
        "name": "replaceOne",
        "arguments": {
          "filter": {
            "_id": {
              "$gt": 1
            }
          },
          "replacement": {
            "x": 111
          }
        }
      },
      "outcome": {
        "result": {
          "matchedCount": 1,
          "modifiedCount": 1
        }
      }
    },
    {
      "description": "ReplaceOne when one document matches",
      "operation": {
        "name": "replaceOne",
        "arguments": {
          "filter": {
            "_id": 1
          },
          "replacement": {
            "_id": 1,
            "x": 111
          }
        }
      },
      "outcome": {
        "result": {
          "matchedCount": 1,
          "modifiedCount": 1
        },
        "collection": {
          "data": [
            {
              "_id": 1,
              "x": 111
            },
            {
              "_id": 2,
              "x": 22
            },
            {
              "_id": 3,
              "x": 33
            }
          ]
        }
      }
    },
    {
      "description": "ReplaceOne when no documents match",
      "operation": {
        "name": "replaceOne",
        "arguments": {
          "filter": {
            "_id": 4
          },
          "replacement": {
            "_id": 4,
            "x": 1
          }
        }
      },
      "outcome": {
        "result": {
          "matchedCount": 0,
          "modifiedCount": 0
        },
        "collection": {
          "data": [
            {
              "_id": 1,
              "x": 11
            },
            {
              "_id": 2,
              "x": 22
            },
            {
              "_id": 3,
              "x": 33
            }
          ]
        }
      }
    },
    {
      "description": "ReplaceOne with upsert when no documents match without an id specified",
      "operation": {
        "name": "replaceOne",
        "arguments": {
          "filter": {
            "_id": 4
          },
          "replacement": {
            "x": 1
          },
          "upsert": true
        }
      },
      "outcome": {
        "result": {
          "matchedCount": 0,
          "modifiedCount": 0,
          "upsertedId": 4
        },
        "collection": {
          "data": [
            {
              "_id": 1,
              "x": 11
            },
            {
              "_id": 2,
              "x": 22
            },
            {
              "_id": 3,
              "x": 33
            },
            {
              "_id": 4,
              "x": 1
            }
          ]
        }
      }
    },
    {
      "description": "ReplaceOne with upsert when no documents match with an id specified",
      "operation": {
        "name": "replaceOne",
        "arguments": {
          "filter": {
            "_id": 4
          },
          "replacement": {
            "_id": 4,
            "x": 1
          },
          "upsert": true
        }
      },
      "outcome": {
        "result": {
          "matchedCount": 0,
          "modifiedCount": 0,
          "upsertedId": 4
        },
        "collection": {
          "data": [
            {
              "_id": 1,
              "x": 11
            },
            {
              "_id": 2,
              "x": 22
            },
            {
              "_id": 3,
              "x": 33
            },
            {
              "_id": 4,
              "x": 1
            }
          ]
        }
      }
    }
  ]
}