feat: add unit test

Signed-off-by: SuZhoue-Joe <[email protected]>

server/services/CommonService.test.ts

@@ -0,0 +1,97 @@
+import {
+  ILegacyCustomClusterClient,
+  OpenSearchDashboardsRequest,
+  OpenSearchDashboardsResponseFactory,
+  RequestHandlerContext,
+} from "opensearch-dashboards/server";
+import CommonService from "./CommonService";
+
+const contextMock = {
+  core: {},
+} as RequestHandlerContext;
+const responseMock = ({
+  custom: jest.fn((args) => args),
+} as unknown) as OpenSearchDashboardsResponseFactory;
+
+const mockedClient = {
+  callAsCurrentUser: jest.fn(),
+  callAsInternalUser: jest.fn(),
+  close: jest.fn(),
+  asScoped: jest.fn(() => ({
+    callAsCurrentUser: jest.fn((...args) => args),
+    callAsInternalUser: jest.fn(),
+  })),
+} as any;
+
+describe("CommonService spec", () => {
+  it("http method should valid when calling transport.request", async () => {
+    const commonService = new CommonService(mockedClient);
+    const result = await commonService.apiCaller(
+      contextMock,
+      {
+        body: {
+          endpoint: "transport.request",
+          data: {
+            method: "invalid method",
+          },
+        },
+      } as OpenSearchDashboardsRequest,
+      responseMock
+    );
+    expect(result).toEqual({
+      statusCode: 200,
+      body: {
+        ok: false,
+        error: `Method must be one of, case insensitive ['HEAD', 'GET', 'POST', 'PUT', 'DELETE']. Received 'invalid method'.`,
+      },
+    });
+  });
+
+  it("should return error when no endpoint is provided", async () => {
+    const commonService = new CommonService(mockedClient);
+    const result = await commonService.apiCaller(
+      contextMock,
+      {
+        body: {
+          endpoint: "",
+        },
+      } as OpenSearchDashboardsRequest,
+      responseMock
+    );
+    expect(result).toEqual({
+      statusCode: 200,
+      body: {
+        ok: false,
+        error: `Expected non-empty string on endpoint`,
+      },
+    });
+  });
+
+  it("should patch path when data.path does not start with /", async () => {
+    const commonService = new CommonService(mockedClient);
+    const result = await commonService.apiCaller(
+      contextMock,
+      {
+        body: {
+          endpoint: "transport.request",
+          data: {
+            path: "",
+          },
+        },
+      } as OpenSearchDashboardsRequest,
+      responseMock
+    );
+    expect(result).toEqual({
+      statusCode: 200,
+      body: {
+        ok: true,
+        response: [
+          "transport.request",
+          {
+            path: "/",
+          },
+        ],
+      },
+    });
+  });
+});

server/services/CommonService.ts

@@ -20,7 +20,7 @@ export interface ICommonCaller {
   <T>(arg: any): T;
 }
 
-export default class IndexService {
+export default class CommonService {
   osDriver: ILegacyCustomClusterClient;
 
   constructor(osDriver: ILegacyCustomClusterClient) {