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| 1 | +import { renderHook } from "@testing-library/react"; |
| 2 | +import { useEffect, useState } from "react"; |
| 3 | +import { waitFor } from "@testing-library/react"; |
| 4 | + |
| 5 | +const useProductName = () => { |
| 6 | + const [productName, setProductName] = useState(null); |
| 7 | + const [loading, setLoading] = useState(true); |
| 8 | + const [isProductRoute, setIsProductRoute] = useState(false); |
| 9 | + const [isValidPath, setIsValidPath] = useState(true); |
| 10 | + const [categoryId, setCategoryId] = useState<string | null>(null); |
| 11 | + |
| 12 | + useEffect(() => { |
| 13 | + const fetchProductName = async (productId) => { |
| 14 | + try { |
| 15 | + setLoading(true); |
| 16 | + const response = await fetch( |
| 17 | + `https://api.example.com/products/${productId}` |
| 18 | + ); |
| 19 | + if (!response.ok) throw new Error("Network response was not ok"); |
| 20 | + const data = await response.json(); |
| 21 | + setProductName(data.name); |
| 22 | + } catch (err) { |
| 23 | + /* empty */ |
| 24 | + } finally { |
| 25 | + setLoading(false); |
| 26 | + } |
| 27 | + }; |
| 28 | + |
| 29 | + const path = window.location.pathname; |
| 30 | + const matchProductPath = path.match(/\/products\/(\d+)/); |
| 31 | + const matchCategoryProductPath = path.match(/(\d+)\/products\/(\d+)/); |
| 32 | + const productId = matchProductPath ? matchProductPath[1] : null; |
| 33 | + const cat = matchCategoryProductPath ? matchCategoryProductPath[1] : null; |
| 34 | + |
| 35 | + setCategoryId(cat); |
| 36 | + setIsProductRoute(path.slice(1).split("/").length === 2 && !!productId); |
| 37 | + fetchProductName(productId); |
| 38 | + setIsValidPath(!!productId); |
| 39 | + }, []); |
| 40 | + |
| 41 | + return { productName, loading, isProductRoute, categoryId, isValidPath }; |
| 42 | +}; |
| 43 | + |
| 44 | +export default useProductName; |
| 45 | + |
| 46 | +global.fetch = jest.fn(); |
| 47 | + |
| 48 | +const mockLocation = (pathname) => { |
| 49 | + delete window.location; |
| 50 | + window.location = new URL("https://example.com" + pathname); |
| 51 | +}; |
| 52 | + |
| 53 | +describe("useProductName", () => { |
| 54 | + afterEach(() => { |
| 55 | + jest.resetAllMocks(); |
| 56 | + }); |
| 57 | + |
| 58 | + it("should fetch and return product name based on product ID in URL", async () => { |
| 59 | + const mockProductId = "42"; |
| 60 | + const mockProductName = "Sample Product"; |
| 61 | + mockLocation(`/products/${mockProductId}`); |
| 62 | + fetch.mockResolvedValueOnce({ |
| 63 | + ok: true, |
| 64 | + json: async () => ({ name: mockProductName }), |
| 65 | + }); |
| 66 | + const { result } = renderHook(() => useProductName()); |
| 67 | + await waitFor(() => expect(result.current.loading).toBe(false)); |
| 68 | + expect(result.current.productName).toBe(mockProductName); |
| 69 | + expect(result.current.isProductRoute).toBe(true); |
| 70 | + expect(result.current.isValidPath).toBe(true); |
| 71 | + }); |
| 72 | + |
| 73 | + it("should fetch and return product name based on product ID in URL", async () => { |
| 74 | + const mockProductId = "42"; |
| 75 | + const mockProductName = "Sample Product"; |
| 76 | + mockLocation(`/products/${mockProductId}`); |
| 77 | + fetch.mockResolvedValueOnce({ |
| 78 | + ok: false, |
| 79 | + json: async () => ({ name: mockProductName }), |
| 80 | + }); |
| 81 | + const { result } = renderHook(() => useProductName()); |
| 82 | + await waitFor(() => expect(result.current.loading).toBe(false)); |
| 83 | + expect(result.current.productName).toBe(null); |
| 84 | + expect(result.current.isProductRoute).toBe(true); |
| 85 | + expect(result.current.isValidPath).toBe(true); |
| 86 | + }); |
| 87 | + |
| 88 | + it("should fetch and return product name based on product ID in URL", async () => { |
| 89 | + const mockProductId = "42"; |
| 90 | + const categoryId = "43"; |
| 91 | + const mockProductName = "Sample Product"; |
| 92 | + mockLocation(`/${categoryId}/products/${mockProductId}`); |
| 93 | + fetch.mockResolvedValueOnce({ |
| 94 | + ok: true, |
| 95 | + json: async () => ({ name: mockProductName }), |
| 96 | + }); |
| 97 | + const { result } = renderHook(() => useProductName()); |
| 98 | + await waitFor(() => expect(result.current.loading).toBe(false)); |
| 99 | + expect(result.current.productName).toBe(mockProductName); |
| 100 | + expect(result.current.isProductRoute).toBe(false); |
| 101 | + expect(result.current.categoryId).toBe("43"); |
| 102 | + expect(result.current.isValidPath).toBe(true); |
| 103 | + }); |
| 104 | + |
| 105 | + it("should fetch and return product name based on product ID in URL", async () => { |
| 106 | + const mockProductName = "Sample Product"; |
| 107 | + mockLocation(`/invalid/path`); |
| 108 | + fetch.mockResolvedValueOnce({ |
| 109 | + ok: true, |
| 110 | + json: async () => ({ name: mockProductName }), |
| 111 | + }); |
| 112 | + const { result } = renderHook(() => useProductName()); |
| 113 | + await waitFor(() => expect(result.current.loading).toBe(false)); |
| 114 | + expect(result.current.productName).toBe(mockProductName); |
| 115 | + expect(result.current.isProductRoute).toBe(false); |
| 116 | + expect(result.current.categoryId).toBe(null); |
| 117 | + expect(result.current.isValidPath).toBe(false); |
| 118 | + }); |
| 119 | +}); |
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