{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "https://openlineage.io/spec/facets/1-0-0/DataQualityAssertionsDatasetFacet.json",
  "$defs": {
    "DataQualityAssertionsDatasetFacet": {
      "description": "list of tests performed on dataset or dataset columns, and their results",
      "allOf": [
        {
          "$ref": "https://openlineage.io/spec/1-0-2/OpenLineage.json#/$defs/InputDatasetFacet"
        },
        {
          "type": "object",
          "required": ["assertions"],
          "properties": {
            "assertions": {
              "type": "array",
              "items": {
                "type": "object",
                "properties": {
                  "assertion": {
                    "type": "string",
                    "description": "Type of expectation test that dataset is subjected to",
                    "example": "not_null"
                  },
                  "success": {
                    "type": "boolean"
                  },
                  "column": {
                    "type": "string",
                    "description": "Column that expectation is testing. It should match the name provided in SchemaDatasetFacet. If column field is empty, then expectation refers to whole dataset.",
                    "example": "id"
                  }
                },
                "required": ["assertion", "success"]
              }
            }
          }
        }
      ],
      "type": "object"
    }
  },
  "type": "object",
  "properties": {
    "dataQualityAssertions": {
      "$ref": "#/$defs/DataQualityAssertionsDatasetFacet"
    }
  }
}