Add DELETE method support in mockRequest and test for removeStar functionality

Author: katayama8000

test/mock.ts

@@ -10,7 +10,7 @@ let undiciInterceptable: Interceptable;
 type BodyMatcher = (body: string | Record<string, any>) => boolean;
 
 interface MockParams {
-  method: "GET" | "POST";
+  method: "GET" | "POST" | "DELETE";
   path: string;
   query?: Record<string, any>;
   body?: BodyMatcher;
@@ -42,6 +42,8 @@ export const mockRequest = ({
       interceptor = nockScope.get(newPath);
     } else if (method === "POST" ) {
       interceptor = nockScope.post(newPath, body);
+    } else if (method === "DELETE") {
+      interceptor = nockScope.delete(newPath);
     }
 
     interceptor

test/test.ts

@@ -299,4 +299,23 @@ describe("Backlog API", () => {
       throw err
     });
   });
+
+  it('should remove star.', (done) => {
+    const starId = 123;
+    mockRequest({
+      method: "DELETE",
+      path: `/api/v2/stars/${starId}`,
+      query: { apiKey },
+      status: 204,
+      data: [],
+      times: 1,
+    });
+    backlog.removeStar(starId).then(data => {
+      // Should resolve without error and without any value
+      assert(data === undefined);
+      done();
+    }).catch(err => {
+      throw err;
+    });
+  });
 });