Add test for OpenAPI 3.1 schema validation

src/test/java/com/networknt/schema/MetaSchemaValidationTest.java

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+/*
+ * Copyright (c) 2024 the original author or authors.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package com.networknt.schema;
+
+import static org.junit.jupiter.api.Assertions.assertEquals;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Set;
+
+import org.junit.jupiter.api.Test;
+
+import com.fasterxml.jackson.databind.JsonNode;
+import com.networknt.schema.SpecVersion.VersionFlag;
+import com.networknt.schema.serialization.JsonMapperFactory;
+
+/**
+ * Tests for meta schema validating a schema.
+ */
+public class MetaSchemaValidationTest {
+    /**
+     * Validates a OpenAPI 3.1 schema using the OpenAPI 3.1 meta schema.
+     *
+     * @throws IOException the exception
+     */
+    @Test
+    void oas31() throws IOException {
+        try (InputStream input = MetaSchemaValidationTest.class.getResourceAsStream("/schema/oas/v31/petstore.json")) {
+            JsonNode inputData = JsonMapperFactory.getInstance().readTree(input);
+            SchemaValidatorsConfig config = new SchemaValidatorsConfig();
+            config.setPathType(PathType.JSON_POINTER);
+            JsonSchema schema = JsonSchemaFactory
+                    .getInstance(VersionFlag.V202012,
+                            builder -> builder.schemaMappers(schemaMappers -> schemaMappers
+                                    .mapPrefix("https://spec.openapis.org/oas/3.1", "classpath:oas/v31")
+                                    .mapPrefix("https://json-schema.org", "classpath:")))
+                    .getSchema(SchemaLocation.of("https://spec.openapis.org/oas/3.1/schema-base/2022-10-07"), config);
+            Set<ValidationMessage> messages = schema.validate(inputData);
+            assertEquals(0, messages.size());
+        }
+    }
+}

src/test/resources/oas/v31/dialect/base

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+{
+    "$id": "https://spec.openapis.org/oas/3.1/dialect/base",
+    "$schema": "https://json-schema.org/draft/2020-12/schema",
+
+    "title": "OpenAPI 3.1 Schema Object Dialect",
+    "description": "A JSON Schema dialect describing schemas found in OpenAPI documents",
+
+    "$vocabulary": {
+        "https://json-schema.org/draft/2020-12/vocab/core": true,
+        "https://json-schema.org/draft/2020-12/vocab/applicator": true,
+        "https://json-schema.org/draft/2020-12/vocab/unevaluated": true,
+        "https://json-schema.org/draft/2020-12/vocab/validation": true,
+        "https://json-schema.org/draft/2020-12/vocab/meta-data": true,
+        "https://json-schema.org/draft/2020-12/vocab/format-annotation": true,
+        "https://json-schema.org/draft/2020-12/vocab/content": true,
+        "https://spec.openapis.org/oas/3.1/vocab/base": false
+    },
+
+    "$dynamicAnchor": "meta",
+
+    "allOf": [
+        { "$ref": "https://json-schema.org/draft/2020-12/schema" },
+        { "$ref": "https://spec.openapis.org/oas/3.1/meta/base" }
+    ]
+}

src/test/resources/oas/v31/meta/base

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+{
+    "$id": "https://spec.openapis.org/oas/3.1/meta/base",
+    "$schema": "https://json-schema.org/draft/2020-12/schema",
+
+    "title": "OAS Base vocabulary",
+    "description": "A JSON Schema Vocabulary used in the OpenAPI Schema Dialect",
+
+    "$vocabulary": {
+        "https://spec.openapis.org/oas/3.1/vocab/base": true
+    },
+
+    "$dynamicAnchor": "meta",
+
+    "type": ["object", "boolean"],
+    "properties": {
+        "example": true,
+        "discriminator": { "$ref": "#/$defs/discriminator" },
+        "externalDocs": { "$ref": "#/$defs/external-docs" },
+        "xml": { "$ref": "#/$defs/xml" }
+    },
+
+    "$defs": {
+        "extensible": {
+            "patternProperties": {
+                "^x-": true
+            }
+        },
+
+        "discriminator": {
+            "$ref": "#/$defs/extensible",
+            "type": "object",
+            "properties": {
+                "propertyName": {
+                    "type": "string"
+                },
+                "mapping": {
+                    "type": "object",
+                    "additionalProperties": {
+                        "type": "string"
+                    }
+                }
+            },
+            "required": ["propertyName"],
+            "unevaluatedProperties": false
+        },
+
+        "external-docs": {
+            "$ref": "#/$defs/extensible",
+            "type": "object",
+            "properties": {
+                "url": {
+                    "type": "string",
+                    "format": "uri-reference"
+                },
+                "description": {
+                    "type": "string"
+                }
+            },
+            "required": ["url"],
+            "unevaluatedProperties": false
+        },
+
+        "xml": {
+            "$ref": "#/$defs/extensible",
+            "type": "object",
+            "properties": {
+                "name": {
+                    "type": "string"
+                },
+                "namespace": {
+                    "type": "string",
+                    "format": "uri"
+                },
+                "prefix": {
+                    "type": "string"
+                },
+                "attribute": {
+                    "type": "boolean"
+                },
+                "wrapped": {
+                    "type": "boolean"
+                }
+            },
+            "unevaluatedProperties": false
+        }
+    }
+}

src/test/resources/oas/v31/schema-base/2022-10-07

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+{
+  "$id": "https://spec.openapis.org/oas/3.1/schema-base/2022-10-07",
+  "$schema": "https://json-schema.org/draft/2020-12/schema",
+
+  "description": "The description of OpenAPI v3.1.x documents using the OpenAPI JSON Schema dialect, as defined by https://spec.openapis.org/oas/v3.1.0",
+
+  "$ref": "https://spec.openapis.org/oas/3.1/schema/2022-10-07",
+  "properties": {
+    "jsonSchemaDialect": { "$ref": "#/$defs/dialect" }
+  },
+
+  "$defs": {
+    "dialect": { "const": "https://spec.openapis.org/oas/3.1/dialect/base" },
+
+    "schema": {
+      "$dynamicAnchor": "meta",
+      "$ref": "https://spec.openapis.org/oas/3.1/dialect/base",
+      "properties": {
+        "$schema": { "$ref": "#/$defs/dialect" }
+      }
+    }
+  }
+}