fix: 修复桌面 DOCX 媒体捕获超时

2026-08-02 13:50:25 +08:00
parent 14f470454c
commit 5c82b3df7f
12 changed files with 417 additions and 47 deletions
@@ -0,0 +1,60 @@
+// @vitest-environment happy-dom
+
+import { describe, expect, it, vi } from "vitest";
+import { waitForImages } from "../src/index.js";
+
+function createPendingImage() {
+  const image = document.createElement("img");
+  Object.defineProperty(image, "complete", {
+    configurable: true,
+    get: () => false
+  });
+  return image;
+}
+
+describe("文档图片就绪等待", () => {
+  it("图片正常加载后立即完成", async () => {
+    const image = createPendingImage();
+    image.decode = vi.fn(() => new Promise(() => undefined));
+    document.body.replaceChildren(image);
+
+    const waiting = waitForImages(document, 1_000);
+    image.dispatchEvent(new Event("load"));
+
+    await expect(waiting).resolves.toEqual([undefined]);
+  });
+
+  it("decode 拒绝且图片已经失败时不会错过 error 状态", async () => {
+    let complete = false;
+    const image = document.createElement("img");
+    Object.defineProperty(image, "complete", {
+      configurable: true,
+      get: () => complete
+    });
+    image.decode = vi.fn(async () => {
+      complete = true;
+      throw new Error("decode failed");
+    });
+    document.body.replaceChildren(image);
+
+    await expect(waitForImages(document, 1_000)).resolves.toEqual([
+      undefined
+    ]);
+  });
+
+  it("图片永不响应时由局部超时结束等待", async () => {
+    vi.useFakeTimers();
+    try {
+      const image = createPendingImage();
+      image.decode = vi.fn(() => new Promise(() => undefined));
+      document.body.replaceChildren(image);
+
+      const waiting = waitForImages(document, 25);
+      await vi.advanceTimersByTimeAsync(25);
+
+      await expect(waiting).resolves.toEqual([undefined]);
+    } finally {
+      vi.useRealTimers();
+    }
+  });
+});