release: 0.2.0421.2

tests/background-index.test.ts

@@ -0,0 +1,50 @@
+import { describe, expect, test, vi } from "vitest";
+
+import { registerBackgroundMessageHandler } from "../src/background/index";
+
+describe("background-index", () => {
+  test("downloads csv files when the content script sends a download message", async () => {
+    const listeners: Array<
+      (message: unknown, sender: unknown, sendResponse: (response: unknown) => void) => boolean | void
+    > = [];
+    const download = vi.fn(async () => undefined);
+    const sendResponse = vi.fn();
+
+    registerBackgroundMessageHandler({
+      downloads: {
+        download
+      },
+      runtime: {
+        onMessage: {
+          addListener(listener) {
+            listeners.push(listener);
+          }
+        }
+      }
+    });
+
+    expect(listeners).toHaveLength(1);
+    const result = listeners[0](
+      {
+        csv: "列1,列2\n值1,值2",
+        filename: "market.csv",
+        type: "download-market-csv"
+      },
+      {},
+      sendResponse
+    );
+
+    expect(result).toBe(true);
+    await new Promise((resolve) => setTimeout(resolve, 0));
+
+    expect(download).toHaveBeenCalledTimes(1);
+    expect(download).toHaveBeenCalledWith(
+      expect.objectContaining({
+        filename: "market.csv",
+        saveAs: false,
+        url: expect.stringContaining("data:text/csv;charset=utf-8,")
+      })
+    );
+    expect(sendResponse).toHaveBeenCalledWith({ ok: true });
+  });
+});