akanealw
99819b70ff
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61 lines
2.0 KiB
TypeScript
Executable File
61 lines
2.0 KiB
TypeScript
Executable File
/**
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* Functional tests: round-robin load balancing across multiple upstreams.
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*
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* Creates a proxy host with two echo servers as upstreams. Each server
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* returns a distinct body so tests can verify that traffic is distributed
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* across both backends.
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*
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* Domain: func-lb.test
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*/
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import { test, expect } from '@playwright/test';
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import { createProxyHost } from '../../helpers/proxy-api';
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import { httpGet, waitForRoute } from '../../helpers/http';
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const DOMAIN = 'func-lb.test';
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test.describe.serial('Load Balancing (multiple upstreams)', () => {
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test('setup: create proxy host with two upstreams', async ({ page }) => {
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await createProxyHost(page, {
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name: 'Functional LB Test',
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domain: DOMAIN,
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// Two upstreams separated by newline — both will be round-robined by Caddy.
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// echo-server returns "echo-ok", echo-server-2 returns "echo-server-2".
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upstream: 'echo-server:8080\necho-server-2:8080',
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});
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await waitForRoute(DOMAIN);
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});
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test('all requests return 200', async () => {
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for (let i = 0; i < 5; i++) {
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const res = await httpGet(DOMAIN, '/');
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expect(res.status).toBe(200);
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}
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});
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test('both upstreams are reached over multiple requests', async () => {
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const bodies = new Set<string>();
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// Send enough requests that both backends should be hit via round-robin.
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for (let i = 0; i < 20; i++) {
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const res = await httpGet(DOMAIN, '/');
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if (res.body.includes('echo-ok') || res.body.includes('echo-server-2')) {
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bodies.add(res.body.trim());
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}
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}
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// Both distinct responses must appear
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expect(bodies.size).toBeGreaterThanOrEqual(2);
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const arr = Array.from(bodies);
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expect(arr.some((b) => b.includes('echo-ok'))).toBe(true);
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expect(arr.some((b) => b.includes('echo-server-2'))).toBe(true);
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});
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test('different paths all return 200', async () => {
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const paths = ['/', '/api/test', '/some/deep/path', '/health'];
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for (const path of paths) {
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const res = await httpGet(DOMAIN, path);
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expect(res.status).toBe(200);
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}
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});
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});
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