[
  {
    "description": "Strict Inheritance",
    "database": {
      "types": [
        {
          "name": "parent_type",
          "schemas": {
            "parent_type": {
              "type": "object",
              "properties": {
                "a": {
                  "type": "integer"
                }
              },
              "required": [
                "a"
              ]
            }
          }
        },
        {
          "name": "child_type",
          "schemas": {
            "child_type": {
              "type": "parent_type",
              "properties": {
                "b": {
                  "type": "integer"
                }
              }
            }
          }
        }
      ]
    },
    "tests": [
      {
        "description": "valid child inherits properties and strictness",
        "schema_id": "child_type",
        "data": {
          "a": 1,
          "b": 2
        },
        "action": "validate",
        "expect": {
          "success": true
        }
      },
      {
        "description": "missing inherited required property fails",
        "schema_id": "child_type",
        "data": {
          "b": 2
        },
        "action": "validate",
        "expect": {
          "success": false,
          "errors": [
            {
              "code": "REQUIRED_FIELD_MISSING",
              "values": {
                "field_name": "a"
              },
              "details": {
                "path": "a",
                "schema": "child_type"
              }
            }
          ]
        }
      },
      {
        "description": "additional properties fail due to inherited strictness",
        "schema_id": "child_type",
        "data": {
          "a": 1,
          "b": 2,
          "c": 3
        },
        "action": "validate",
        "expect": {
          "success": false,
          "errors": [
            {
              "code": "STRICT_PROPERTY_VIOLATION",
              "values": {
                "property_name": "c"
              },
              "details": {
                "path": "c",
                "schema": "child_type"
              }
            }
          ]
        }
      }
    ]
  },
  {
    "description": "Local Shadowing (Composition & Proxies)",
    "database": {
      "types": [
        {
          "name": "budget",
          "schemas": {
            "budget": {
              "type": "object",
              "properties": {
                "max": {
                  "type": "integer",
                  "maximum": 100
                }
              }
            }
          }
        },
        {
          "name": "custom_budget",
          "schemas": {
            "custom_budget": {
              "type": "budget",
              "properties": {
                "max": {
                  "type": "integer",
                  "maximum": 50
                }
              }
            }
          }
        }
      ]
    },
    "tests": [
      {
        "description": "shadowing override applies (50 is locally allowed)",
        "schema_id": "custom_budget",
        "data": {
          "max": 40
        },
        "action": "validate",
        "expect": {
          "success": true
        }
      },
      {
        "description": "shadowing override applies natively, rejecting 60 even though parent allowed 100",
        "schema_id": "custom_budget",
        "data": {
          "max": 60
        },
        "action": "validate",
        "expect": {
          "success": false,
          "errors": [
            {
              "code": "MAXIMUM_VIOLATED",
              "values": {
                "value": "60",
                "limit": "50"
              },
              "details": {
                "path": "max",
                "schema": "custom_budget"
              }
            }
          ]
        }
      }
    ]
  },
  {
    "description": "Primitive Array Shorthand (Optionality)",
    "database": {
      "types": [
        {
          "name": "invoice",
          "schemas": {
            "invoice": {
              "type": "object",
              "properties": {
                "amount": {
                  "type": "integer"
                }
              },
              "required": [
                "amount"
              ]
            }
          }
        },
        {
          "name": "request",
          "schemas": {
            "request": {
              "type": "object",
              "properties": {
                "inv": {
                  "type": [
                    "invoice",
                    "null"
                  ]
                }
              }
            }
          }
        }
      ]
    },
    "tests": [
      {
        "description": "valid object passes shorthand inheritance check",
        "schema_id": "request",
        "data": {
          "inv": {
            "amount": 5
          }
        },
        "action": "validate",
        "expect": {
          "success": true
        }
      },
      {
        "description": "null passes shorthand inheritance check",
        "schema_id": "request",
        "data": {
          "inv": null
        },
        "action": "validate",
        "expect": {
          "success": true
        }
      },
      {
        "description": "invalid object fails inner constraints safely",
        "schema_id": "request",
        "data": {
          "inv": {
            "amount": "string"
          }
        },
        "action": "validate",
        "expect": {
          "success": false,
          "errors": [
            {
              "code": "INVALID_TYPE",
              "values": {
                "expected": "integer"
              },
              "details": {
                "path": "inv/amount",
                "schema": "request"
              }
            }
          ]
        }
      }
    ]
  }
]