feat: 聊天室对话渲染增强 - 思考内容Markdown渲染 + 工具调用参数卡片化

tests/web/components/chat/HighlightBlock.test.tsx

@@ -0,0 +1,97 @@
+import { describe, expect, mock, test } from "bun:test";
+import { screen, waitFor } from "@testing-library/react";
+import { createElement } from "react";
+
+import { HighlightBlock } from "../../../../src/web/features/chat/parts/HighlightBlock";
+import { renderWithProviders } from "../../test-utils";
+
+describe("HighlightBlock JSON 高亮", () => {
+  test("非流式状态渲染 shiki 高亮 HTML", async () => {
+    const code = JSON.stringify({ key: "value" }, null, 2);
+
+    const { container } = renderWithProviders(
+      createElement(HighlightBlock, { code, isStreaming: false, lang: "json" }),
+    );
+
+    expect(screen.getByText("json")).toBeTruthy();
+
+    await waitFor(() => {
+      expect(container.querySelector(".code-block-body")).toBeTruthy();
+    });
+  });
+
+  test("流式状态渲染纯 <pre><code> 无高亮", () => {
+    const code = JSON.stringify({ key: "value" }, null, 2);
+
+    const { container } = renderWithProviders(createElement(HighlightBlock, { code, isStreaming: true, lang: "json" }));
+
+    const pre = container.querySelector("pre.code-block");
+    expect(pre).toBeTruthy();
+    expect(pre!.textContent).toContain("key");
+    expect(container.querySelector(".code-block-header")).toBeNull();
+  });
+});
+
+describe("HighlightBlock 复制按钮", () => {
+  test("非流式状态显示复制按钮", () => {
+    const code = "const x = 1;";
+
+    renderWithProviders(createElement(HighlightBlock, { code, isStreaming: false, lang: "text" }));
+
+    expect(screen.getByText("text")).toBeTruthy();
+    const buttons = screen.getAllByRole("button");
+    expect(buttons.length).toBeGreaterThan(0);
+  });
+
+  test("复制按钮调用 clipboard.writeText", () => {
+    const code = JSON.stringify({ a: 1 }, null, 2);
+    const writeTextMock = mock(() => Promise.resolve());
+    Object.defineProperty(navigator, "clipboard", {
+      value: { writeText: writeTextMock },
+      writable: true,
+      configurable: true,
+    });
+
+    renderWithProviders(createElement(HighlightBlock, { code, isStreaming: false, lang: "json" }));
+
+    const button = screen.getByRole("button");
+    button.click();
+
+    expect(writeTextMock).toHaveBeenCalledWith(code);
+  });
+});
+
+describe("HighlightBlock 纯文本", () => {
+  test("lang=text 时头部显示 text", () => {
+    renderWithProviders(createElement(HighlightBlock, { code: "hello world", isStreaming: false, lang: "text" }));
+
+    expect(screen.getByText("text")).toBeTruthy();
+  });
+});
+
+describe("HighlightBlock 边界情况", () => {
+  test("code 为空时渲染空代码块不触发异步高亮", () => {
+    const { container } = renderWithProviders(
+      createElement(HighlightBlock, { code: "", isStreaming: false, lang: "json" }),
+    );
+
+    expect(container.querySelector(".code-block")).toBeTruthy();
+    expect(container.querySelector("code")).toBeTruthy();
+    expect(container.querySelector("code")!.textContent).toBe("");
+  });
+
+  test("流式切换到非流式后触发高亮", async () => {
+    const code = JSON.stringify({ x: 1 }, null, 2);
+    const { container, rerender } = renderWithProviders(
+      createElement(HighlightBlock, { code, isStreaming: true, lang: "json" }),
+    );
+
+    expect(container.querySelector("pre.code-block")).toBeTruthy();
+
+    rerender(createElement(HighlightBlock, { code, isStreaming: false, lang: "json" }));
+
+    await waitFor(() => {
+      expect(container.querySelector(".code-block-body")).toBeTruthy();
+    });
+  });
+});