data: - {_id: 1, x: 11} - {_id: 2, x: 22} - {_id: 3, x: 33} tests: - description: "FindOneAndReplace when many documents match returning the document before modification" operation: name: findOneAndReplace arguments: filter: _id: {$gt: 1} replacement: {x: 32} projection: {x: 1, _id: 0} sort: {x: 1} outcome: result: {x: 22} collection: data: - {_id: 1, x: 11} - {_id: 2, x: 32} - {_id: 3, x: 33} - description: "FindOneAndReplace when many documents match returning the document after modification" operation: name: findOneAndReplace arguments: filter: _id: {$gt: 1} replacement: {x: 32} projection: {x: 1, _id: 0} returnDocument: After sort: {x: 1} outcome: result: {x: 32} collection: data: - {_id: 1, x: 11} - {_id: 2, x: 32} - {_id: 3, x: 33} - description: "FindOneAndReplace when one document matches returning the document before modification" operation: name: findOneAndReplace arguments: filter: {_id: 2} replacement: {x: 32} projection: {x: 1, _id: 0} sort: {x: 1} outcome: result: {x: 22} collection: data: - {_id: 1, x: 11} - {_id: 2, x: 32} - {_id: 3, x: 33} - description: "FindOneAndReplace when one document matches returning the document after modification" operation: name: findOneAndReplace arguments: filter: {_id: 2} replacement: {x: 32} projection: {x: 1, _id: 0} returnDocument: After sort: {x: 1} outcome: result: {x: 32} collection: data: - {_id: 1, x: 11} - {_id: 2, x: 32} - {_id: 3, x: 33} - description: "FindOneAndReplace when no documents match returning the document before modification" operation: name: findOneAndReplace arguments: filter: {_id: 4} replacement: {x: 44} projection: {x: 1, _id: 0} sort: {x: 1} outcome: result: null collection: data: - {_id: 1, x: 11} - {_id: 2, x: 22} - {_id: 3, x: 33} - description: "FindOneAndReplace when no documents match returning the document after modification" operation: name: findOneAndReplace arguments: filter: {_id: 4} replacement: {x: 44} projection: {x: 1, _id: 0} returnDocument: After sort: {x: 1} outcome: result: null collection: data: - {_id: 1, x: 11} - {_id: 2, x: 22} - {_id: 3, x: 33}