refactor(rpa-core): 测试文件迁至 test/ 目录（对面 workspace 规范：产品源码树禁含测试）；修 platform-groups 测试预载顺序耦合

packages/rpa-core/test/engine/engine-driver.test.ts

@@ -0,0 +1,70 @@
+import { describe, expect, it } from "vitest";
+import type { AutomationDriver } from "../../src/driver/types";
+import { createEngine } from "../../src/engine/engine";
+import { WindowsDriver } from "../../src/driver/windows/windows-driver";
+
+describe("driver 平台自动选择（迁移指南五件小事 #2）", () => {
+  it("win32 上惰性创建 WindowsDriver 且实例缓存", () => {
+    const engine = createEngine();
+    expect(engine.driver).toBeInstanceOf(WindowsDriver);
+    expect(engine.driver).toBe(engine.driver);
+  });
+
+  it("非 win32 访问 driver 抛 platform_unsupported", () => {
+    const engine = createEngine();
+    const original = process.platform;
+    Object.defineProperty(process, "platform", { value: "darwin", configurable: true });
+    try {
+      expect(() => engine.driver).toThrowError(/暂不支持桌面自动化驱动/);
+    } finally {
+      Object.defineProperty(process, "platform", { value: original, configurable: true });
+    }
+  });
+});
+
+describe("createEngine 注入（迁移阶段1-A1）", () => {
+  const fakeDriver = (): AutomationDriver =>
+    ({
+      mouse: {},
+      keyboard: {},
+      window: {},
+      screen: { size: async () => ({ x: 0, y: 0, width: 800, height: 600 }) },
+      element: {}
+    }) as unknown as AutomationDriver;
+
+  it("createEngine 可注入自定义 driver", () => {
+    const driver = fakeDriver();
+    const engine = createEngine({ driver });
+    expect(engine.driver).toBe(driver);
+  });
+
+  it("注入后不触发平台自动选择（darwin 上也可用）", () => {
+    const driver = fakeDriver();
+    const engine = createEngine({ driver });
+    const original = process.platform;
+    Object.defineProperty(process, "platform", { value: "darwin", configurable: true });
+    try {
+      expect(engine.driver).toBe(driver);
+      expect(engine.driver.screen.size).toBeTruthy();
+    } finally {
+      Object.defineProperty(process, "platform", { value: original, configurable: true });
+    }
+  });
+
+  it("两个引擎注入不同 driver 互不影响", () => {
+    const driverA = fakeDriver();
+    const driverB = fakeDriver();
+    const engineA = createEngine({ driver: driverA });
+    const engineB = createEngine({ driver: driverB });
+    expect(engineA.driver).toBe(driverA);
+    expect(engineB.driver).toBe(driverB);
+    expect(engineA.driver).not.toBe(engineB.driver);
+  });
+
+  it("setDriver 可后置替换", () => {
+    const engine = createEngine();
+    const driver = fakeDriver();
+    engine.setDriver(driver);
+    expect(engine.driver).toBe(driver);
+  });
+});