{
  "description": "first-positional",
  "schemaVersion": "1.4",
  "createEntities": [
    {
      "client": {
        "id": "client0"
      }
    },
    {
      "database": {
        "id": "database0",
        "client": "client0",
        "databaseName": "positional-corpus"
      }
    },
    {
      "collection": {
        "id": "collection0",
        "database": "database0",
        "collectionName": "coll"
      }
    }
  ],
  "initialData": [
    {
      "collectionName": "coll",
      "databaseName": "positional-corpus",
      "documents": [
        {
          "_id": 1,
          "y": [
            {
              "b": 3
            },
            {
              "b": 1
            }
          ]
        },
        {
          "_id": 2,
          "y": [
            {
              "b": 0
            },
            {
              "b": 1
            }
          ]
        },
        {
          "_id": 3,
          "y": [
            {
              "b": 5,
              "c": [
                {
                  "d": 2
                }
              ]
            }
          ]
        }
      ]
    }
  ],
  "tests": [
    {
      "description": "$ writes the element the filter matched",
      "operations": [
        {
          "object": "collection0",
          "name": "updateOne",
          "arguments": {
            "filter": {
              "y.b": 3
            },
            "update": {
              "$set": {
                "y.$.b": 7
              }
            }
          },
          "expectResult": {
            "matchedCount": 1,
            "modifiedCount": 1,
            "upsertedCount": 0
          }
        }
      ],
      "outcome": [
        {
          "collectionName": "coll",
          "databaseName": "positional-corpus",
          "documents": [
            {
              "_id": 1,
              "y": [
                {
                  "b": 7
                },
                {
                  "b": 1
                }
              ]
            },
            {
              "_id": 2,
              "y": [
                {
                  "b": 0
                },
                {
                  "b": 1
                }
              ]
            },
            {
              "_id": 3,
              "y": [
                {
                  "b": 5,
                  "c": [
                    {
                      "d": 2
                    }
                  ]
                }
              ]
            }
          ]
        }
      ]
    },
    {
      "description": "$ writes only the first match when several elements qualify",
      "operations": [
        {
          "object": "collection0",
          "name": "deleteMany",
          "arguments": {
            "filter": {}
          }
        },
        {
          "object": "collection0",
          "name": "insertMany",
          "arguments": {
            "documents": [
              {
                "_id": 1,
                "y": [
                  {
                    "b": 1
                  },
                  {
                    "b": 1
                  },
                  {
                    "b": 2
                  }
                ]
              }
            ]
          }
        },
        {
          "object": "collection0",
          "name": "updateOne",
          "arguments": {
            "filter": {
              "y.b": 1
            },
            "update": {
              "$set": {
                "y.$.b": 7
              }
            }
          },
          "expectResult": {
            "matchedCount": 1,
            "modifiedCount": 1,
            "upsertedCount": 0
          }
        }
      ],
      "outcome": [
        {
          "collectionName": "coll",
          "databaseName": "positional-corpus",
          "documents": [
            {
              "_id": 1,
              "y": [
                {
                  "b": 7
                },
                {
                  "b": 1
                },
                {
                  "b": 2
                }
              ]
            }
          ]
        }
      ]
    },
    {
      "description": "$ when the filter never touched the array is refused",
      "operations": [
        {
          "object": "collection0",
          "name": "updateOne",
          "arguments": {
            "filter": {
              "_id": 1
            },
            "update": {
              "$set": {
                "y.$.b": 7
              }
            }
          },
          "expectError": {
            "isError": true,
            "errorCode": 2
          }
        }
      ],
      "outcome": [
        {
          "collectionName": "coll",
          "databaseName": "positional-corpus",
          "documents": [
            {
              "_id": 1,
              "y": [
                {
                  "b": 3
                },
                {
                  "b": 1
                }
              ]
            },
            {
              "_id": 2,
              "y": [
                {
                  "b": 0
                },
                {
                  "b": 1
                }
              ]
            },
            {
              "_id": 3,
              "y": [
                {
                  "b": 5,
                  "c": [
                    {
                      "d": 2
                    }
                  ]
                }
              ]
            }
          ]
        }
      ]
    },
    {
      "description": "$inc through $",
      "operations": [
        {
          "object": "collection0",
          "name": "updateOne",
          "arguments": {
            "filter": {
              "y.b": 3
            },
            "update": {
              "$inc": {
                "y.$.b": 10
              }
            }
          },
          "expectResult": {
            "matchedCount": 1,
            "modifiedCount": 1,
            "upsertedCount": 0
          }
        }
      ],
      "outcome": [
        {
          "collectionName": "coll",
          "databaseName": "positional-corpus",
          "documents": [
            {
              "_id": 1,
              "y": [
                {
                  "b": 13
                },
                {
                  "b": 1
                }
              ]
            },
            {
              "_id": 2,
              "y": [
                {
                  "b": 0
                },
                {
                  "b": 1
                }
              ]
            },
            {
              "_id": 3,
              "y": [
                {
                  "b": 5,
                  "c": [
                    {
                      "d": 2
                    }
                  ]
                }
              ]
            }
          ]
        }
      ]
    },
    {
      "description": "$ as the leaf replaces the matched element",
      "operations": [
        {
          "object": "collection0",
          "name": "updateOne",
          "arguments": {
            "filter": {
              "y.b": 3
            },
            "update": {
              "$set": {
                "y.$": {
                  "replaced": true
                }
              }
            }
          },
          "expectResult": {
            "matchedCount": 1,
            "modifiedCount": 1,
            "upsertedCount": 0
          }
        }
      ],
      "outcome": [
        {
          "collectionName": "coll",
          "databaseName": "positional-corpus",
          "documents": [
            {
              "_id": 1,
              "y": [
                {
                  "replaced": true
                },
                {
                  "b": 1
                }
              ]
            },
            {
              "_id": 2,
              "y": [
                {
                  "b": 0
                },
                {
                  "b": 1
                }
              ]
            },
            {
              "_id": 3,
              "y": [
                {
                  "b": 5,
                  "c": [
                    {
                      "d": 2
                    }
                  ]
                }
              ]
            }
          ]
        }
      ]
    },
    {
      "description": "$ reaching a field below the matched element",
      "operations": [
        {
          "object": "collection0",
          "name": "updateOne",
          "arguments": {
            "filter": {
              "y.b": 5
            },
            "update": {
              "$set": {
                "y.$.c": []
              }
            }
          },
          "expectResult": {
            "matchedCount": 1,
            "modifiedCount": 1,
            "upsertedCount": 0
          }
        }
      ],
      "outcome": [
        {
          "collectionName": "coll",
          "databaseName": "positional-corpus",
          "documents": [
            {
              "_id": 1,
              "y": [
                {
                  "b": 3
                },
                {
                  "b": 1
                }
              ]
            },
            {
              "_id": 2,
              "y": [
                {
                  "b": 0
                },
                {
                  "b": 1
                }
              ]
            },
            {
              "_id": 3,
              "y": [
                {
                  "b": 5,
                  "c": []
                }
              ]
            }
          ]
        }
      ]
    },
    {
      "description": "$ with the filter matching on a different field of the element",
      "operations": [
        {
          "object": "collection0",
          "name": "deleteMany",
          "arguments": {
            "filter": {}
          }
        },
        {
          "object": "collection0",
          "name": "insertMany",
          "arguments": {
            "documents": [
              {
                "_id": 1,
                "y": [
                  {
                    "k": "a",
                    "v": 1
                  },
                  {
                    "k": "b",
                    "v": 2
                  }
                ]
              }
            ]
          }
        },
        {
          "object": "collection0",
          "name": "updateOne",
          "arguments": {
            "filter": {
              "y.k": "b"
            },
            "update": {
              "$set": {
                "y.$.v": 9
              }
            }
          },
          "expectResult": {
            "matchedCount": 1,
            "modifiedCount": 1,
            "upsertedCount": 0
          }
        }
      ],
      "outcome": [
        {
          "collectionName": "coll",
          "databaseName": "positional-corpus",
          "documents": [
            {
              "_id": 1,
              "y": [
                {
                  "k": "a",
                  "v": 1
                },
                {
                  "k": "b",
                  "v": 9
                }
              ]
            }
          ]
        }
      ]
    },
    {
      "description": "updateMany with $ writes each document's own match",
      "operations": [
        {
          "object": "collection0",
          "name": "updateMany",
          "arguments": {
            "filter": {
              "y.b": 1
            },
            "update": {
              "$set": {
                "y.$.b": 7
              }
            }
          },
          "expectResult": {
            "matchedCount": 2,
            "modifiedCount": 2,
            "upsertedCount": 0
          }
        }
      ],
      "outcome": [
        {
          "collectionName": "coll",
          "databaseName": "positional-corpus",
          "documents": [
            {
              "_id": 1,
              "y": [
                {
                  "b": 3
                },
                {
                  "b": 7
                }
              ]
            },
            {
              "_id": 2,
              "y": [
                {
                  "b": 0
                },
                {
                  "b": 7
                }
              ]
            },
            {
              "_id": 3,
              "y": [
                {
                  "b": 5,
                  "c": [
                    {
                      "d": 2
                    }
                  ]
                }
              ]
            }
          ]
        }
      ]
    },
    {
      "description": "$ over an array of scalars",
      "operations": [
        {
          "object": "collection0",
          "name": "deleteMany",
          "arguments": {
            "filter": {}
          }
        },
        {
          "object": "collection0",
          "name": "insertMany",
          "arguments": {
            "documents": [
              {
                "_id": 1,
                "y": [
                  1,
                  2,
                  3
                ]
              }
            ]
          }
        },
        {
          "object": "collection0",
          "name": "updateOne",
          "arguments": {
            "filter": {
              "y": 2
            },
            "update": {
              "$set": {
                "y.$": 9
              }
            }
          },
          "expectResult": {
            "matchedCount": 1,
            "modifiedCount": 1,
            "upsertedCount": 0
          }
        }
      ],
      "outcome": [
        {
          "collectionName": "coll",
          "databaseName": "positional-corpus",
          "documents": [
            {
              "_id": 1,
              "y": [
                1,
                9,
                3
              ]
            }
          ]
        }
      ]
    },
    {
      "description": "$ in first position is refused",
      "operations": [
        {
          "object": "collection0",
          "name": "updateOne",
          "arguments": {
            "filter": {
              "y.b": 3
            },
            "update": {
              "$set": {
                "$": 7
              }
            }
          },
          "expectError": {
            "isError": true,
            "errorCode": 2
          }
        }
      ],
      "outcome": [
        {
          "collectionName": "coll",
          "databaseName": "positional-corpus",
          "documents": [
            {
              "_id": 1,
              "y": [
                {
                  "b": 3
                },
                {
                  "b": 1
                }
              ]
            },
            {
              "_id": 2,
              "y": [
                {
                  "b": 0
                },
                {
                  "b": 1
                }
              ]
            },
            {
              "_id": 3,
              "y": [
                {
                  "b": 5,
                  "c": [
                    {
                      "d": 2
                    }
                  ]
                }
              ]
            }
          ]
        }
      ]
    },
    {
      "description": "$ twice in one path is refused",
      "operations": [
        {
          "object": "collection0",
          "name": "updateOne",
          "arguments": {
            "filter": {
              "y.b": 5
            },
            "update": {
              "$set": {
                "y.$.c.$.d": 0
              }
            }
          },
          "expectError": {
            "isError": true,
            "errorCode": 2
          }
        }
      ],
      "outcome": [
        {
          "collectionName": "coll",
          "databaseName": "positional-corpus",
          "documents": [
            {
              "_id": 1,
              "y": [
                {
                  "b": 3
                },
                {
                  "b": 1
                }
              ]
            },
            {
              "_id": 2,
              "y": [
                {
                  "b": 0
                },
                {
                  "b": 1
                }
              ]
            },
            {
              "_id": 3,
              "y": [
                {
                  "b": 5,
                  "c": [
                    {
                      "d": 2
                    }
                  ]
                }
              ]
            }
          ]
        }
      ]
    },
    {
      "description": "$ on an upsert that inserts",
      "operations": [
        {
          "object": "collection0",
          "name": "deleteMany",
          "arguments": {
            "filter": {}
          }
        },
        {
          "object": "collection0",
          "name": "updateOne",
          "arguments": {
            "filter": {
              "y.b": 3
            },
            "update": {
              "$set": {
                "y.$.b": 7
              }
            },
            "upsert": true
          },
          "expectError": {
            "isError": true,
            "errorCode": 2
          }
        }
      ],
      "outcome": [
        {
          "collectionName": "coll",
          "databaseName": "positional-corpus",
          "documents": []
        }
      ]
    }
  ]
}