47 lines
1.8 KiB
TypeScript
47 lines
1.8 KiB
TypeScript
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/**
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* Mock response แบบ duck-typing แทน `Response` จริง (jsdom ไม่มี Response/fetch global)
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* service ที่ถูก test ใช้แค่ ok / status / json() / text() / blob()
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*/
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export interface MockHttpResponse {
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ok: boolean;
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status: number;
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json: () => Promise<unknown>;
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text: () => Promise<string>;
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blob?: () => Promise<Blob>;
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}
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export function mockResponse(
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options: { status?: number; body?: unknown; text?: string; blob?: Blob } = {}
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): MockHttpResponse {
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const status = options.status ?? 200;
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const text = options.text ?? (options.body !== undefined ? JSON.stringify(options.body) : "");
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return {
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ok: status >= 200 && status < 300,
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status,
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json: async () => JSON.parse(text),
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text: async () => text,
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...(options.blob !== undefined ? { blob: async () => options.blob as Blob } : {}),
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};
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}
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/** แทน globalThis.fetch ด้วย mock — คืนตัวจับ call กลับไปให้ assert */
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export function installFetchMock(
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implementation?: (...args: unknown[]) => Promise<MockHttpResponse>
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): jest.Mock {
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const fetchMock = jest.fn(
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implementation ?? (async () => mockResponse({ status: 200, body: {} }))
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);
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(globalThis as unknown as Record<string, unknown>).fetch = fetchMock;
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return fetchMock;
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}
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/** JWT ปลอมเพื่อ seed session — service อ่านแค่ claim `exp` */
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export function makeFakeJwt(expiresAtMs: number, subject = "user-1"): string {
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const encode = (value: string): string =>
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btoa(value).replace(/\+/g, "-").replace(/\//g, "_").replace(/=+$/, "");
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const header = encode(JSON.stringify({ alg: "RS256", typ: "JWT" }));
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const payload = encode(JSON.stringify({ sub: subject, exp: Math.floor(expiresAtMs / 1000) }));
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return `${header}.${payload}.${encode("fake-signature")}`;
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}
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