{
  "description": "all-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": []
        },
        {
          "_id": 3,
          "y": [
            {
              "c": [
                {
                  "d": 1
                },
                {
                  "d": 2
                }
              ]
            },
            {
              "c": [
                {
                  "d": 3
                }
              ]
            }
          ]
        }
      ]
    }
  ],
  "tests": [
    {
      "description": "every element of the array is written",
      "operations": [
        {
          "object": "collection0",
          "name": "updateOne",
          "arguments": {
            "filter": {
              "_id": 1
            },
            "update": {
              "$set": {
                "y.$[].b": 9
              }
            }
          },
          "expectResult": {
            "matchedCount": 1,
            "modifiedCount": 1,
            "upsertedCount": 0
          }
        }
      ],
      "outcome": [
        {
          "collectionName": "coll",
          "databaseName": "positional-corpus",
          "documents": [
            {
              "_id": 1,
              "y": [
                {
                  "b": 9
                },
                {
                  "b": 9
                }
              ]
            },
            {
              "_id": 2,
              "y": []
            },
            {
              "_id": 3,
              "y": [
                {
                  "c": [
                    {
                      "d": 1
                    },
                    {
                      "d": 2
                    }
                  ]
                },
                {
                  "c": [
                    {
                      "d": 3
                    }
                  ]
                }
              ]
            }
          ]
        }
      ]
    },
    {
      "description": "nested $[] is a cross-product over both levels",
      "operations": [
        {
          "object": "collection0",
          "name": "updateOne",
          "arguments": {
            "filter": {
              "_id": 3
            },
            "update": {
              "$set": {
                "y.$[].c.$[].d": 0
              }
            }
          },
          "expectResult": {
            "matchedCount": 1,
            "modifiedCount": 1,
            "upsertedCount": 0
          }
        }
      ],
      "outcome": [
        {
          "collectionName": "coll",
          "databaseName": "positional-corpus",
          "documents": [
            {
              "_id": 1,
              "y": [
                {
                  "b": 3
                },
                {
                  "b": 1
                }
              ]
            },
            {
              "_id": 2,
              "y": []
            },
            {
              "_id": 3,
              "y": [
                {
                  "c": [
                    {
                      "d": 0
                    },
                    {
                      "d": 0
                    }
                  ]
                },
                {
                  "c": [
                    {
                      "d": 0
                    }
                  ]
                }
              ]
            }
          ]
        }
      ]
    },
    {
      "description": "$[] over an empty array",
      "operations": [
        {
          "object": "collection0",
          "name": "updateOne",
          "arguments": {
            "filter": {
              "_id": 2
            },
            "update": {
              "$set": {
                "y.$[].b": 9
              }
            }
          },
          "expectResult": {
            "matchedCount": 1,
            "modifiedCount": 0,
            "upsertedCount": 0
          }
        }
      ],
      "outcome": [
        {
          "collectionName": "coll",
          "databaseName": "positional-corpus",
          "documents": [
            {
              "_id": 1,
              "y": [
                {
                  "b": 3
                },
                {
                  "b": 1
                }
              ]
            },
            {
              "_id": 2,
              "y": []
            },
            {
              "_id": 3,
              "y": [
                {
                  "c": [
                    {
                      "d": 1
                    },
                    {
                      "d": 2
                    }
                  ]
                },
                {
                  "c": [
                    {
                      "d": 3
                    }
                  ]
                }
              ]
            }
          ]
        }
      ]
    },
    {
      "description": "$inc through $[] adds to every element",
      "operations": [
        {
          "object": "collection0",
          "name": "updateOne",
          "arguments": {
            "filter": {
              "_id": 1
            },
            "update": {
              "$inc": {
                "y.$[].b": 10
              }
            }
          },
          "expectResult": {
            "matchedCount": 1,
            "modifiedCount": 1,
            "upsertedCount": 0
          }
        }
      ],
      "outcome": [
        {
          "collectionName": "coll",
          "databaseName": "positional-corpus",
          "documents": [
            {
              "_id": 1,
              "y": [
                {
                  "b": 13
                },
                {
                  "b": 11
                }
              ]
            },
            {
              "_id": 2,
              "y": []
            },
            {
              "_id": 3,
              "y": [
                {
                  "c": [
                    {
                      "d": 1
                    },
                    {
                      "d": 2
                    }
                  ]
                },
                {
                  "c": [
                    {
                      "d": 3
                    }
                  ]
                }
              ]
            }
          ]
        }
      ]
    },
    {
      "description": "$[] as the leaf 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": {},
            "update": {
              "$set": {
                "y.$[]": 0
              }
            }
          },
          "expectResult": {
            "matchedCount": 1,
            "modifiedCount": 1,
            "upsertedCount": 0
          }
        }
      ],
      "outcome": [
        {
          "collectionName": "coll",
          "databaseName": "positional-corpus",
          "documents": [
            {
              "_id": 1,
              "y": [
                0,
                0,
                0
              ]
            }
          ]
        }
      ]
    },
    {
      "description": "$unset through $[] removes a field from every element",
      "operations": [
        {
          "object": "collection0",
          "name": "deleteMany",
          "arguments": {
            "filter": {}
          }
        },
        {
          "object": "collection0",
          "name": "insertMany",
          "arguments": {
            "documents": [
              {
                "_id": 1,
                "y": [
                  {
                    "b": 1,
                    "e": 1
                  },
                  {
                    "b": 2,
                    "e": 2
                  }
                ]
              }
            ]
          }
        },
        {
          "object": "collection0",
          "name": "updateOne",
          "arguments": {
            "filter": {},
            "update": {
              "$unset": {
                "y.$[].e": ""
              }
            }
          },
          "expectResult": {
            "matchedCount": 1,
            "modifiedCount": 1,
            "upsertedCount": 0
          }
        }
      ],
      "outcome": [
        {
          "collectionName": "coll",
          "databaseName": "positional-corpus",
          "documents": [
            {
              "_id": 1,
              "y": [
                {
                  "b": 1
                },
                {
                  "b": 2
                }
              ]
            }
          ]
        }
      ]
    },
    {
      "description": "$[] where an element is not a document",
      "operations": [
        {
          "object": "collection0",
          "name": "deleteMany",
          "arguments": {
            "filter": {}
          }
        },
        {
          "object": "collection0",
          "name": "insertMany",
          "arguments": {
            "documents": [
              {
                "_id": 1,
                "y": [
                  {
                    "b": 1
                  },
                  7
                ]
              }
            ]
          }
        },
        {
          "object": "collection0",
          "name": "updateOne",
          "arguments": {
            "filter": {},
            "update": {
              "$set": {
                "y.$[].b": 9
              }
            }
          },
          "expectError": {
            "isError": true,
            "errorCode": 28
          }
        }
      ],
      "outcome": [
        {
          "collectionName": "coll",
          "databaseName": "positional-corpus",
          "documents": [
            {
              "_id": 1,
              "y": [
                {
                  "b": 1
                },
                7
              ]
            }
          ]
        }
      ]
    },
    {
      "description": "updateMany with $[] across every document",
      "operations": [
        {
          "object": "collection0",
          "name": "updateMany",
          "arguments": {
            "filter": {
              "_id": {
                "$in": [
                  1,
                  2
                ]
              }
            },
            "update": {
              "$set": {
                "y.$[].b": 9
              }
            }
          },
          "expectResult": {
            "matchedCount": 2,
            "modifiedCount": 1,
            "upsertedCount": 0
          }
        }
      ],
      "outcome": [
        {
          "collectionName": "coll",
          "databaseName": "positional-corpus",
          "documents": [
            {
              "_id": 1,
              "y": [
                {
                  "b": 9
                },
                {
                  "b": 9
                }
              ]
            },
            {
              "_id": 2,
              "y": []
            },
            {
              "_id": 3,
              "y": [
                {
                  "c": [
                    {
                      "d": 1
                    },
                    {
                      "d": 2
                    }
                  ]
                },
                {
                  "c": [
                    {
                      "d": 3
                    }
                  ]
                }
              ]
            }
          ]
        }
      ]
    },
    {
      "description": "$[] where the path does not exist",
      "operations": [
        {
          "object": "collection0",
          "name": "deleteMany",
          "arguments": {
            "filter": {}
          }
        },
        {
          "object": "collection0",
          "name": "insertMany",
          "arguments": {
            "documents": [
              {
                "_id": 1,
                "z": 1
              }
            ]
          }
        },
        {
          "object": "collection0",
          "name": "updateOne",
          "arguments": {
            "filter": {},
            "update": {
              "$set": {
                "y.$[].b": 9
              }
            }
          },
          "expectError": {
            "isError": true,
            "errorCode": 2
          }
        }
      ],
      "outcome": [
        {
          "collectionName": "coll",
          "databaseName": "positional-corpus",
          "documents": [
            {
              "_id": 1,
              "z": 1
            }
          ]
        }
      ]
    },
    {
      "description": "$[] where the path is not an array",
      "operations": [
        {
          "object": "collection0",
          "name": "deleteMany",
          "arguments": {
            "filter": {}
          }
        },
        {
          "object": "collection0",
          "name": "insertMany",
          "arguments": {
            "documents": [
              {
                "_id": 1,
                "y": 5
              }
            ]
          }
        },
        {
          "object": "collection0",
          "name": "updateOne",
          "arguments": {
            "filter": {},
            "update": {
              "$set": {
                "y.$[].b": 9
              }
            }
          },
          "expectError": {
            "isError": true,
            "errorCode": 2
          }
        }
      ],
      "outcome": [
        {
          "collectionName": "coll",
          "databaseName": "positional-corpus",
          "documents": [
            {
              "_id": 1,
              "y": 5
            }
          ]
        }
      ]
    },
    {
      "description": "$[] in first position is refused",
      "operations": [
        {
          "object": "collection0",
          "name": "updateOne",
          "arguments": {
            "filter": {
              "_id": 1
            },
            "update": {
              "$set": {
                "$[]": 9
              }
            }
          },
          "expectError": {
            "isError": true,
            "errorCode": 2
          }
        }
      ],
      "outcome": [
        {
          "collectionName": "coll",
          "databaseName": "positional-corpus",
          "documents": [
            {
              "_id": 1,
              "y": [
                {
                  "b": 3
                },
                {
                  "b": 1
                }
              ]
            },
            {
              "_id": 2,
              "y": []
            },
            {
              "_id": 3,
              "y": [
                {
                  "c": [
                    {
                      "d": 1
                    },
                    {
                      "d": 2
                    }
                  ]
                },
                {
                  "c": [
                    {
                      "d": 3
                    }
                  ]
                }
              ]
            }
          ]
        }
      ]
    },
    {
      "description": "$[] combined with an identifier in one path",
      "operations": [
        {
          "object": "collection0",
          "name": "updateOne",
          "arguments": {
            "filter": {
              "_id": 3
            },
            "update": {
              "$set": {
                "y.$[].c.$[j].d": 0
              }
            },
            "arrayFilters": [
              {
                "j.d": 2
              }
            ]
          },
          "expectResult": {
            "matchedCount": 1,
            "modifiedCount": 1,
            "upsertedCount": 0
          }
        }
      ],
      "outcome": [
        {
          "collectionName": "coll",
          "databaseName": "positional-corpus",
          "documents": [
            {
              "_id": 1,
              "y": [
                {
                  "b": 3
                },
                {
                  "b": 1
                }
              ]
            },
            {
              "_id": 2,
              "y": []
            },
            {
              "_id": 3,
              "y": [
                {
                  "c": [
                    {
                      "d": 1
                    },
                    {
                      "d": 0
                    }
                  ]
                },
                {
                  "c": [
                    {
                      "d": 3
                    }
                  ]
                }
              ]
            }
          ]
        }
      ]
    }
  ]
}