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1 files changed, 71 insertions, 0 deletions

diff --git a/Homework/cs5260/widgetrequesthandler/t/handler.spec.ts b/Homework/cs5260/widgetrequesthandler/t/handler.spec.ts
new file mode 100644
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--- /dev/null
+++ b/Homework/cs5260/widgetrequesthandler/t/handler.spec.ts
@@ -0,0 +1,71 @@
+import { expect, test } from "bun:test";
+import { randomUUID } from "node:crypto";
+import { WidgetRequestHandler } from "@/widgetrequesthandler/handler";
+import { VoidLogger } from "@/shared/t";
+import { WidgetRequest, WidgetRequestT } from "@/shared/schema";
+import {
+  ProcessorResponse,
+  WidgetRequestProcessor,
+} from "@/widgetrequesthandler/processors";
+
+const testWidget = () =>
+  WidgetRequest.parse({
+    type: "create",
+    requestId: randomUUID(),
+    owner: "simponic",
+    widgetId: randomUUID(),
+  });
+
+test("when invalid body then returns 400", async () => {
+  const logger = new VoidLogger();
+  const mockProcessor = {} as unknown as WidgetRequestProcessor;
+  const request = new Request("http://localhost");
+
+  const handler = new WidgetRequestHandler(mockProcessor, logger);
+  const response = await handler.handleRequest(request);
+  expect(response.status).toBe(400);
+});
+
+test("when processor fails then returns 500", async () => {
+  const logger = new VoidLogger();
+  const mockProcessor = {
+    async handle(_widgetRequest: WidgetRequestT) {
+      throw new Error("failure");
+    },
+  } as unknown as WidgetRequestProcessor;
+
+  const newWidgetRequest = testWidget();
+  const request = new Request("http://localhost", {
+    body: JSON.stringify({ event: newWidgetRequest }),
+  });
+
+  const handler = new WidgetRequestHandler(mockProcessor, logger);
+  const response = await handler.handleRequest(request);
+  const responseBody = (await response.json()) as ProcessorResponse;
+
+  expect(response.status).toBe(500);
+  expect(responseBody.success).toBe(false);
+});
+
+test("when processor succeeds and correct widget request then returns 200", async () => {
+  const logger = new VoidLogger();
+  const message = randomUUID();
+  const mockProcessor = {
+    async handle(_widgetRequest: WidgetRequestT) {
+      return { success: true, message };
+    },
+  } as unknown as WidgetRequestProcessor;
+
+  const newWidgetRequest = testWidget();
+  const request = new Request("http://localhost", {
+    body: JSON.stringify({ event: newWidgetRequest }),
+  });
+
+  const handler = new WidgetRequestHandler(mockProcessor, logger);
+  const response = await handler.handleRequest(request);
+  const responseBody = (await response.json()) as ProcessorResponse;
+
+  expect(response.status).toBe(200);
+  expect(responseBody.success).toBe(true);
+  expect(responseBody.message).toBe(message);
+});