fix: add JSON Schema 2019-09+ validation keyword - dependentRequired

.changeset/hungry-bears-do.md

@@ -0,0 +1,6 @@
+---
+"@redocly/openapi-core": patch
+"@redocly/cli": patch
+---
+
+Added JSON Schema draft 2019-09+ validation keyword - `dependentRequired`.

__tests__/lint/spec-json-schema-validation-dependentRequired/openapi.yaml

@@ -0,0 +1,34 @@
+openapi: 3.1.0
+info:
+  title: test json schema validation keyword - dependentRequired
+  version: 1.0.0
+paths:
+  '/thing':
+    get:
+      summary: a sample api
+      responses:
+        '200':
+          description: OK
+          content:
+            'application/json':
+              schema:
+                $ref: '#/components/schemas/test_schema'
+              examples:
+                dependentRequired_passing:
+                  summary: an example schema
+                  value: { 'name': 'bobby', 'age': 25 }
+                dependentRequired_failing:
+                  summary: an example schema
+                  value: { 'name': 'jennie' }
+components:
+  schemas:
+    test_schema:
+      type: object
+      properties:
+        name:
+          type: string
+        age:
+          type: number
+      dependentRequired:
+        name:
+          - age

__tests__/lint/spec-json-schema-validation-dependentRequired/redocly.yaml

@@ -0,0 +1,7 @@
+apis:
+  main:
+    root: ./openapi.yaml
+
+rules:
+  spec: error
+  no-invalid-media-type-examples: error

__tests__/lint/spec-json-schema-validation-dependentRequired/snapshot.js

@@ -0,0 +1,28 @@
+// Jest Snapshot v1, https://goo.gl/fbAQLP
+
+exports[`E2E lint spec-json-schema-validation-dependentRequired 1`] = `
+
+validating /openapi.yaml...
+[1] openapi.yaml:22:26 at #/paths/~1thing/get/responses/200/content/application~1json/examples/dependentRequired_failing/value
+
+Example value must conform to the schema: must have property age when property name is present.
+
+20 |                 dependentRequired_failing:
+21 |                   summary: an example schema
+22 |                   value: { 'name': 'jennie' }
+   |                          ^^^^^^^^^^^^^^^^^^^^
+23 | components:
+24 |   schemas:
+
+referenced from openapi.yaml:14:15 at #/paths/~1thing/get/responses/200/content/application~1json 
+
+Error was generated by the no-invalid-media-type-examples rule.
+
+
+/openapi.yaml: validated in <test>ms
+
+❌ Validation failed with 1 error.
+run \`redocly lint --generate-ignore-file\` to add all problems to the ignore file.
+
+
+`;

packages/core/src/__tests__/lint.test.ts

@@ -1593,4 +1593,128 @@ describe('lint', () => {
     expect(result[0]).toHaveProperty('ignored', true);
     expect(result[0]).toHaveProperty('ruleId', 'operation-operationId');
   });
+
+  it('should throw an error for dependentRequired not expected here - OAS 3.0.x', async () => {
+    const document = parseYamlToDocument(
+      outdent`
+        openapi: 3.0.3
+        info:
+          title: test json schema validation keyword - dependentRequired
+          version: 1.0.0
+        paths:
+          '/thing':
+            get:
+              summary: a sample api
+              responses:
+                '200':
+                  description: OK
+                  content:
+                    'application/json':
+                      schema:
+                        $ref: '#/components/schemas/test_schema'
+                      examples:
+                        dependentRequired_passing:
+                          summary: an example schema
+                          value: { "name": "bobby", "age": 25}
+                        dependentRequired_failing:
+                          summary: an example schema
+                          value: { "name": "jennie"}
+        components:
+          schemas:
+            test_schema:
+              type: object
+              properties:
+                name:
+                  type: string
+                age:
+                  type: number
+              dependentRequired:
+                name:
+                - age
+      `,
+      ''
+    );
+
+    const configFilePath = path.join(__dirname, '..', '..', '..', 'redocly.yaml');
+
+    const results = await lintDocument({
+      externalRefResolver: new BaseResolver(),
+      document,
+      config: await makeConfig({ spec: 'error' }, undefined, configFilePath),
+    });
+
+    expect(replaceSourceWithRef(results)).toMatchInlineSnapshot(`
+      [
+        {
+          "from": {
+            "pointer": "#/paths/~1thing/get/responses/200/content/application~1json/schema",
+            "source": "",
+          },
+          "location": [
+            {
+              "pointer": "#/components/schemas/test_schema/dependentRequired",
+              "reportOnKey": true,
+              "source": "",
+            },
+          ],
+          "message": "Property \`dependentRequired\` is not expected here.",
+          "ruleId": "spec",
+          "severity": "error",
+          "suggest": [],
+        },
+      ]
+    `);
+  });
+
+  it('should not throw an error for dependentRequired not expected here - OAS 3.1.x', async () => {
+    const document = parseYamlToDocument(
+      outdent`
+        openapi: 3.1.0
+        info:
+          title: test json schema validation keyword - dependentRequired
+          version: 1.0.0
+        paths:
+          '/thing':
+            get:
+              summary: a sample api
+              responses:
+                '200':
+                  description: OK
+                  content:
+                    'application/json':
+                      schema:
+                        $ref: '#/components/schemas/test_schema'
+                      examples:
+                        dependentRequired_passing:
+                          summary: an example schema
+                          value: { "name": "bobby", "age": 25}
+                        dependentRequired_failing:
+                          summary: an example schema
+                          value: { "name": "jennie"}
+        components:
+          schemas:
+            test_schema:
+              type: object
+              properties:
+                name:
+                  type: string
+                age:
+                  type: number
+              dependentRequired:
+                name:
+                - age
+      `,
+      ''
+    );
+
+    const configFilePath = path.join(__dirname, '..', '..', '..', 'redocly.yaml');
+
+    const results = await lintDocument({
+      externalRefResolver: new BaseResolver(),
+      document,
+      config: await makeConfig({ spec: 'error' }, undefined, configFilePath),
+    });
+
+    expect(replaceSourceWithRef(results)).toMatchInlineSnapshot(`[]`);
+  });
 });

packages/core/src/types/oas3_1.ts

@@ -134,6 +134,7 @@ const Schema: NodeType = {
     then: 'Schema',
     else: 'Schema',
     dependentSchemas: listOf('Schema'),
+    dependentRequired: 'DependentRequired',
     prefixItems: listOf('Schema'),
     contains: 'Schema',
     minContains: { type: 'integer', minimum: 0 },
@@ -266,6 +267,11 @@ const SecurityScheme: NodeType = {
   extensionsPrefix: 'x-',
 };
 
+const DependentRequired: NodeType = {
+  properties: {},
+  additionalProperties: { type: 'array', items: { type: 'string' } },
+};
+
 export const Oas3_1Types: Record<Oas3_1NodeType, NodeType> = {
   ...Oas3Types,
   Info,
@@ -277,4 +283,5 @@ export const Oas3_1Types: Record<Oas3_1NodeType, NodeType> = {
   NamedPathItems: mapOf('PathItem'),
   SecurityScheme,
   Operation,
+  DependentRequired,
 };

packages/core/src/types/redocly-yaml.ts

@@ -220,6 +220,7 @@ const oas3_1NodeTypesList = [
   'NamedPathItems',
   'SecurityScheme',
   'Operation',
+  'DependentRequired',
 ] as const;
 
 export type Oas3_1NodeType = typeof oas3_1NodeTypesList[number];