[
    {
        "description": "discriminator with anyOf/allOf",
        "schema": {
            "anyOf": [
                {
                    "$ref": "#/components/schemas/Room"
                },
                {
                    "$ref": "#/components/schemas/BedRoom"
                },
                {
                    "$ref": "#/components/schemas/KidsBedRoom"
                },
                {
                    "$ref": "#/components/schemas/Kitchen"
                },
                {
                    "$ref": "#/components/schemas/GuestRoom"
                }
            ],
            "components": {
                "schemas": {
                    "Room": {
                        "type": "object",
                        "properties": {
                            "@type": {
                                "type": "string"
                            },
                            "floor": {
                                "type": "integer"
                            }
                        },
                        "required": [
                            "@type"
                        ],
                        "discriminator": {
                            "propertyName": "@type",
                            "mapping": {
                                "bed": "#/components/schemas/BedRoom"
                            }
                        }
                    },
                    "BedRoom": {
                        "type": "object",
                        "allOf": [
                            {
                                "$ref": "#/components/schemas/Room"
                            },
                            {
                                "type": "object",
                                "properties": {
                                    "numberOfBeds": {
                                        "type": "integer"
                                    }
                                },
                                "required": [
                                    "numberOfBeds"
                                ]
                            }
                        ],
                        "discriminator": {
                            "mapping": {
                                "guest": "#/components/schemas/GuestRoom"
                            }
                        }
                    },
                    "KidsBedRoom": {
                        "type": "object",
                        "allOf": [
                            {
                                "$ref": "#/components/schemas/BedRoom"
                            },
                            {
                                "type": "object",
                                "properties": {
                                    "isTidy": {
                                        "type": "boolean"
                                    }
                                },
                                "required": [
                                    "isTidy"
                                ]
                            }
                        ]
                    },
                    "GuestRoom": {
                        "type": "object",
                        "allOf": [
                            {
                                "$ref": "#/components/schemas/BedRoom"
                            },
                            {
                                "type": "object",
                                "properties": {
                                    "guest": {
                                        "type": "string"
                                    }
                                },
                                "required": [
                                    "guest"
                                ]
                            }
                        ]
                    },
                    "Kitchen": {
                        "type": "object",
                        "allOf": [
                            {
                                "$ref": "#/components/schemas/Room"
                            },
                            {
                                "type": "object",
                                "properties": {
                                    "hasMicrowaveOven": {
                                        "type": "boolean"
                                    },
                                    "equipment": {
                                        "type": "array",
                                        "items": {
                                            "anyOf": [
                                                {
                                                    "$ref": "#/components/schemas/Pot"
                                                },
                                                {
                                                    "$ref": "#/components/schemas/Blender"
                                                }
                                            ]
                                        }
                                    }
                                },
                                "required": [
                                    "hasMicrowaveOven"
                                ]
                            }
                        ]
                    },
                    "KitchenEquipment": {
                        "type": "object",
                        "properties": {
                            "@type": {
                                "type": "string"
                            }
                        },
                        "required": [
                            "@type"
                        ],
                        "discriminator": {
                            "propertyName": "@type"
                        }
                    },
                    "Pot": {
                        "allOf": [
                            {
                                "$ref": "#/components/schemas/KitchenEquipment"
                            },
                            {
                                "type": "object",
                                "properties": {
                                    "capacity": {
                                        "type": "integer"
                                    }
                                },
                                "required": [
                                    "capacity"
                                ]
                            }
                        ]
                    },
                    "Blender": {
                        "allOf": [
                            {
                                "$ref": "#/components/schemas/KitchenEquipment"
                            },
                            {
                                "type": "object",
                                "properties": {
                                    "maxSpeed": {
                                        "type": "integer"
                                    }
                                },
                                "required": [
                                    "maxSpeed"
                                ]
                            }
                        ]
                    }
                }
            }
        },
        "tests": [
            {
                "description": "mapping to base type",
                "data": {
                    "@type": "Room"
                },
                "valid": true
            },
            {
                "description": "mapped to Bedroom",
                "data": {
                    "@type": "bed",
                    "numberOfBeds": 2
                },
                "valid": true
            },
            {
                "description": "mapped to Kitchen",
                "data": {
                    "@type": "Kitchen",
                    "hasMicrowaveOven": true,
                    "equipment": [
                        {
                            "@type": "Blender",
                            "maxSpeed": 1500
                        },
                        {
                            "@type": "Pot",
                            "capacity": 5
                        }
                    ]
                },
                "valid": true
            },
            {
                "description": "mapped to KidsBedRoom",
                "data": {
                    "@type": "KidsBedRoom",
                    "numberOfBeds": 1,
                    "isTidy": false
                },
                "valid": true
            },
            {
                "description": "mapped to Bedroom with missing number of beds",
                "data": {
                    "@type": "bed"
                },
                "valid": false
            },
            {
                "description": "mapped to KidsBedroom with missing number of beds",
                "data": {
                    "@type": "KidsBedRoom",
                    "isTidy": true
                },
                "valid": false
            },
            {
                "description": "mapped to KidsBedroom with missing tidiness",
                "data": {
                    "@type": "KidsBedRoom",
                    "numberOfBeds": 1
                },
                "valid": false
            },
            {
                "description": "mapped to GuestRoom with correct @type (mapping override on BedRoom)",
                "data": {
                    "@type": "guest",
                    "numberOfBeds": 9,
                    "guest": "Steve"
                },
                "valid": true
            },
            {
                "description": "mapped to GuestRoom with incorrect @type (mapping override on BedRoom)",
                "data": {
                    "@type": "GuestRoom",
                    "guest": "Steve"
                },
                "valid": false
            },
            {
                "description": "mapped to invalid Room",
                "data": {
                    "@type": "Bathroom"
                },
                "valid": false
            },
            {
                "description": "discriminator missing - falling back to default validation with failure as @type is mandatory",
                "data": {
                },
                "valid": false
            }
        ]
    },
    {
        "description": "absent discriminator value as discriminator marked as non-mandatory (which is against OAS3 recommendations)",
        "schema": {
            "anyOf": [
                {
                    "$ref": "#/components/schemas/Room"
                },
                {
                    "$ref": "#/components/schemas/BedRoom"
                }
            ],
            "components": {
                "schemas": {
                    "Room": {
                        "type": "object",
                        "properties": {
                            "intOrStringType": {
                                "type": "integer"
                            }
                        },
                        "discriminator": {
                            "propertyName": "@type",
                            "mapping": {
                                "bed": "#/components/schemas/BedRoom"
                            }
                        }
                    },
                    "BedRoom": {
                        "type": "object",
                        "allOf": [
                            {
                                "$ref": "#/components/schemas/Room"
                            },
                            {
                                "type": "object",
                                "properties": {
                                    "intOrStringType": {
                                        "type": "string"
                                    }
                                }
                            }
                        ]
                    }
                }
            }
        },
        "tests": [
            {
                "description": "discriminator missing - falling back to default anyOf behavior",
                "data": {
                    "intOrStringType": 4
                },
                "valid": true
            },
            {
                "description": "discriminator missing - with constructed schema conflict",
                "data": {
                    "intOrStringType": "cannot match due to allOf"
                },
                "valid": false
            }
        ]
    },
    {
        "description": "Issue #398 - $ref pointing to base type with discriminator and w/o anyOf",
        "schema": {
            "$ref": "#/components/schemas/Room",
            "components": {
                "schemas": {
                    "Room": {
                        "type": "object",
                        "properties": {
                            "@type": {
                                "type": "string"
                            },
                            "floor": {
                                "type": "integer"
                            },
                            "nextRoom": {
                                "anyOf": [
                                    {"$ref":"#/components/schemas/Room" },
                                    {"$ref":"#/components/schemas/BedRoom" }
                                ]
                            }
                        },
                        "required": [
                            "@type"
                        ],
                        "discriminator": {
                            "propertyName": "@type"
                        }
                    },
                    "BedRoom": {
                        "type": "object",
                        "allOf": [
                            {
                                "$ref": "#/components/schemas/Room"
                            },
                            {
                                "type": "object",
                                "properties": {
                                    "numberOfBeds": {
                                        "type": "integer"
                                    }
                                },
                                "required": [
                                    "numberOfBeds"
                                ]
                            }
                        ]
                    }
                }
            }
        },
        "tests": [
            {
                "description": "$ref without anyOf and therefore no discriminator context",
                "data": {
                    "@type": "Room"
                },
                "valid": true
            },
            {
                "description": "schema with discriminator and recursion with invalid BedRoom",
                "data": {
                    "@type": "can be ignored - discriminator not in use on root schema",
                    "numberOfBeds": 42,
                    "nextRoom": {
                        "@type": "BedRoom",
                        "floor": 1
                    }
                },
                "valid": false
            }
        ]
    },
    {
        "description": "Issue #398 - $ref pointing to extended type with discriminator and w/o anyOf",
        "schema": {
            "$ref": "#/components/schemas/BedRoom",
            "components": {
                "schemas": {
                    "Room": {
                        "type": "object",
                        "properties": {
                            "@type": {
                                "type": "string"
                            },
                            "floor": {
                                "type": "integer"
                            },
                            "nextRoom": {
                                "anyOf": [
                                    {"$ref": "#/components/schemas/Room"},
                                    {"$ref": "#/components/schemas/BedRoom"}
                                ]
                            }
                        },
                        "required": [
                            "@type"
                        ],
                        "discriminator": {
                            "propertyName": "@type"
                        }
                    },
                    "BedRoom": {
                        "type": "object",
                        "allOf": [
                            {
                                "$ref": "#/components/schemas/Room"
                            },
                            {
                                "type": "object",
                                "properties": {
                                    "numberOfBeds": {
                                        "type": "integer"
                                    },
                                    "nextRoom": {
                                        "anyOf": [
                                            {"$ref": "#/components/schemas/Room"},
                                            {"$ref": "#/components/schemas/BedRoom"}
                                        ]
                                    }
                                },
                                "required": [
                                    "numberOfBeds"
                                ]
                            }
                        ]
                    }
                }
            }
        },
        "tests": [
            {
                "description": "$ref without anyOf and therefore no discriminator context",
                "data": {
                    "@type": "can be ignored - discriminator not in use on root schema",
                    "numberOfBeds": 42,
                    "nextRoom": {
                        "@type": "Room",
                        "floor": 3
                    }
                },
                "valid": true
            },
            {
                "description": "schema with discriminator and recursion with valid BedRoom",
                "data": {
                    "@type": "can be ignored - discriminator not in use on root schema",
                    "numberOfBeds": 42,
                    "nextRoom": {
                        "@type": "BedRoom",
                        "floor": 1,
                        "numberOfBeds": 12345
                    }
                },
                "valid": true
            },
            {
                "description": "schema with discriminator and recursion with invalid BedRoom",
                "data": {
                    "@type": "can be ignored - discriminator not in use on root schema",
                    "numberOfBeds": 42,
                    "nextRoom": {
                        "@type": "BedRoom",
                        "floor": 1
                    }
                },
                "valid": false
            }
        ]
    },
    {
        "description": "Issue #398 - invalid discriminator specification has to lead to failed validation",
        "schema": {
            "anyOf": [
                {"$ref": "#/components/schemas/Room"},
                {"$ref": "#/components/schemas/BedRoom"}
            ],
            "components": {
                "schemas": {
                    "Room": {
                        "type": "object",
                        "properties": {
                            "@type": {
                                "type": "string"
                            },
                            "floor": {
                                "type": "integer"
                            },
                            "nextRoom": {
                                "anyOf": [
                                    {"$ref": "#/components/schemas/Room"},
                                    {"$ref": "#/components/schemas/BedRoom"}
                                ]
                            }
                        },
                        "required": [
                            "@type"
                        ],
                        "discriminator": {
                            "propertyName": "@type"
                        }
                    },
                    "BedRoom": {
                        "type": "object",
                        "allOf": [
                            {
                                "$ref": "#/components/schemas/Room"
                            },
                            {
                                "type": "object",
                                "properties": {
                                    "numberOfBeds": {
                                        "type": "integer"
                                    },
                                    "nextRoom": {
                                        "anyOf": [
                                            {"$ref": "#/components/schemas/Room"},
                                            {"$ref": "#/components/schemas/BedRoom"}
                                        ]
                                    }
                                },
                                "required": [
                                    "numberOfBeds"
                                ]
                            }
                        ]
                    }
                }
            }
        },
        "tests": [
            {
                "description": "$ref without anyOf and therefore no discriminator context",
                "data": {
                    "@type": "illegal discriminator property value"
                },
                "valid": false
            }
        ]
    }
]