Vitest

• Uses same vite.config.ts file

get-active-extension-id.test.ts

import { beforeEach, describe, expect, it, vi } from "vitest";

describe("isVersionGreater", () => {
  it("should correctly compare major versions", () => {
    expect(isVersionGreater("2.0.0", "1.0.0")).toBe(true);
    expect(isVersionGreater("1.0.0", "2.0.0")).toBe(false);
    expect(isVersionGreater("1.0.0", "1.0.0")).toBe(false);
  });
}

describe("getActiveExtensionId", () => {
  it("should return the extension ID when only one extension responds", async () => {
    const chromeId = "chrome-extension-id";
    const version = "1.0.0";

    mockChromeRuntime.sendMessage.mockImplementation(
      (extensionId, message, callback) => {
        if (extensionId === chromeId) {
          callback(version);
        }
      },
    );

    const result = await getActiveExtensionId(chromeId, undefined);
    expect(result).toBe(chromeId);
    expect(mockChromeRuntime.sendMessage).toHaveBeenCalledWith(
      chromeId,
      { type: ExtensionExternalMessageType.getVersion },
      expect.any(Function),
    );
  });
}