Add callback model test

src/services/__tests__/fixtures/callback.json

@@ -0,0 +1,64 @@
+{
+    "openapi": "3.0.0",
+    "info": {
+      "version": "1.0",
+      "title": "Foo"
+    },
+    "components": {
+      "callbacks": {
+        "Test": {
+            "post": {
+              "operationId": "testCallback",
+              "description": "Test callback.",
+              "requestBody": {
+                "content": {
+                  "application/json": {
+                    "schema": {
+                      "title": "TestTitle",
+                      "type": "object",
+                      "description": "Test description",
+                      "properties": {
+                        "type": {
+                          "type": "string",
+                          "description": "The type of response.",
+                          "enum": [
+                            "TestResponse.Complete"
+                          ]
+                        },
+                        "status": {
+                          "type": "string",
+                          "enum": [
+                            "FAILURE",
+                            "SUCCESS"
+                          ]
+                        }
+                      },
+                      "required": [
+                        "status"
+                      ]
+                    }
+                  }
+                }
+              },
+              "parameters": [
+                {
+                  "name": "X-Test-Header",
+                  "in": "header",
+                  "required": true,
+                  "example": "1",
+                  "description": "This is a test header parameter",
+                  "schema": {
+                    "type": "string"
+                  }
+                }
+              ],
+              "responses": {
+                "204": {
+                  "description": "Test response."
+                }
+              }
+            }
+          }
+      }
+    }
+  }

src/services/__tests__/models/Callback.test.ts

@@ -0,0 +1,26 @@
+import { CallbackModel } from '../../models/Callback';
+import { OpenAPIParser } from '../../OpenAPIParser';
+import { RedocNormalizedOptions } from '../../RedocNormalizedOptions';
+
+const opts = new RedocNormalizedOptions({});
+
+describe('Models', () => {
+  describe('CallbackModel', () => {
+    let parser;
+    const spec = require('../fixtures/callback.json');
+    parser = new OpenAPIParser(spec, undefined, opts);
+
+    test('basic callback details', () => {
+      const callback = new CallbackModel(
+        parser,
+        'Test.Callback',
+        { $ref: '#/components/callbacks/Test' },
+        opts,
+      );
+      expect(callback.name).toEqual('Test.Callback');
+      expect(callback.operations.length).toEqual(0);
+      expect(callback.paths).toBeDefined();
+      expect(callback.expanded).toBeUndefined();
+    });
+  });
+});