coolify/tests/Feature/HttpConnectionRetryTest.php

<?php

use Illuminate\Http\Client\ConnectionException;
use Illuminate\Support\Facades\Http;
use Illuminate\Support\Sleep;

beforeEach(function () {
    Sleep::fake();
    $this->attempts = 0;
});

function fakeConnectionFailures(int $failures): void
{
    Http::fake(function () use ($failures) {
        test()->attempts++;

        return test()->attempts <= $failures ? Http::failedConnection() : Http::response(['ok' => true]);
    });
}

test('a read request is retried once after a connection failure', function () {
    fakeConnectionFailures(1);

    expect(Http::get('https://api.example.com/items')->json('ok'))->toBeTrue()
        ->and($this->attempts)->toBe(2);
});

test('a read request fails when the retry also has a connection failure', function () {
    fakeConnectionFailures(2);

    expect(fn () => Http::delete('https://api.example.com/items/1'))->toThrow(ConnectionException::class)
        ->and($this->attempts)->toBe(2);
});

test('a post request is not retried because the server can have received it', function () {
    fakeConnectionFailures(1);

    expect(fn () => Http::post('https://api.example.com/items'))->toThrow(ConnectionException::class)
        ->and($this->attempts)->toBe(1);
});

test('a read request is not sent again after it timed out waiting for the response', function () {
    $server = stream_socket_server('tcp://127.0.0.1:0');
    $address = stream_socket_get_name($server, false);

    expect(fn () => Http::timeout(1)->get("http://{$address}/slow"))
        ->toThrow(ConnectionException::class, 'cURL error 28');

    stream_set_blocking($server, false);
    $connections = 0;
    while (@stream_socket_accept($server, 0)) {
        $connections++;
    }
    fclose($server);

    expect($connections)->toBe(1);
});