lt-auth-proxy/src/__tests__/ltProxyHandler.test.ts

// deno-lint-ignore-file require-await
import { ltProxyHandler } from '../ltProxyHandler.ts';
import { assertEquals } from 'https://deno.land/std@0.204.0/assert/mod.ts';
import type { IContext } from 'http-kernel/Interfaces/mod.ts';

Deno.test('ltProxyHandler: proxies request and returns response', async () => {
    const expectedResponse = new Response('Mocked LT Response', {
        status: 200,
        headers: {
            'content-type': 'text/plain',
            'x-mocked': 'true',
        },
    });

    // Backup and mock global fetch
    const originalFetch = globalThis.fetch;
    globalThis.fetch = async () => expectedResponse;

    const req = new Request('http://localhost/v2/check?language=de-DE', {
        method: 'POST',
        body: new TextEncoder().encode('text=Hallo+Welt'),
        headers: {
            'content-type': 'application/x-www-form-urlencoded',
        },
    });

    const ctx: IContext = {
        req,
        params: {},
        query: {
            language: 'de-DE',
        },
        state: {},
    };

    const response = await ltProxyHandler(ctx);

    assertEquals(response.status, 200);
    assertEquals(await response.text(), 'Mocked LT Response');
    assertEquals(response.headers.get('x-mocked'), 'true');

    // Restore fetch
    globalThis.fetch = originalFetch;
});