Viết test đối chiếu

"""Demo ket hop UI + API tren Restful-Booker Platform (automationintesting.online).
 
Ky thuat: dung API lam "nguon su that" (ground truth) de kiem tra UI hien thi dung -
thay vi dang nhap qua UI de lay session (khong tim duoc mat khau admin cong khai dang
tin cay cho trang nay, da ghi lai o docs/test-cases-restful-booker.md).
"""
import re
 
from playwright.sync_api import Page, expect
 
 
def test_gia_va_ten_phong_tren_trang_chu_khop_voi_api(page: Page, rbp_api_context):
    """Goi GET /api/room lay du lieu phong that, roi doi chieu voi tung the phong
    hien thi tren trang chu - phat hien duoc ngay neu UI hien sai ten/gia phong."""
    response = rbp_api_context.get("/api/room")
    assert response.status == 200  # goi API lay du lieu goc thanh cong
    danh_sach_phong_api = {phong["roomid"]: phong for phong in response.json()["rooms"]}  # dict comprehension: tao dict tra cuu nhanh theo roomid
 
    page.goto("https://automationintesting.online/")
 
    the_phong = page.locator(".room-card")  # tim moi the phong tren trang
    expect(the_phong.first).to_be_visible()  # cho it nhat 1 the phong hien ra
 
    for i in range(the_phong.count()):  # duyet qua tung the phong dang hien thi
        the = the_phong.nth(i)  # lay the phong thu i
        href = the.get_by_role("link", name="Book now").get_attribute("href")  # lay link "Book now" cua the nay
        roomid = int(re.search(r"/reservation/(\d+)", href).group(1))  # regex tach so id trong duong dan /reservation/{id}
 
        assert roomid in danh_sach_phong_api, f"UI hien phong roomid={roomid} nhung API khong co"
        phong_api = danh_sach_phong_api[roomid]  # tra cuu du lieu that cua phong nay qua dict
 
        expect(the.locator(".card-title")).to_have_text(phong_api["type"])  # doi chieu ten loai phong
        expect(the.locator(".card-footer")).to_contain_text(f"£{phong_api['roomPrice']}")  # doi chieu gia hien thi