116 lines
4.0 KiB
PHP
116 lines
4.0 KiB
PHP
<?php
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declare(strict_types=1);
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namespace BlaxSoftware\LaravelWebSockets\Test\Websocket;
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use BlaxSoftware\LaravelWebSockets\Websocket\ChildMessageOutcome;
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use PHPUnit\Framework\TestCase;
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/**
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* The parent answers for a message child that died without replying (#1462),
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* and only then: never after a real reply, never for a clean exit, and never
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* before the child's last frames have been read.
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*/
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class ChildMessageOutcomeTest extends TestCase
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{
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private const EXIT_OK = 0; // exit(0)
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private const EXIT_FATAL = 255 << 8; // exit(255), what PHP does after a fatal error
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private const KILLED = 9; // terminated by SIGKILL
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private array $crashes = [];
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private function outcome(string $event = 'atc-traffic.subscribe[x1]'): ChildMessageOutcome
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{
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$this->crashes = [];
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return new ChildMessageOutcome($event, function (int $status) {
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$this->crashes[] = $status;
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});
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}
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public function test_a_killed_child_without_reply_is_answered_once_both_signals_are_in()
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{
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foreach ([[true, false], [false, true]] as [$streamFirst]) {
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$outcome = $this->outcome();
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$outcome->frameReceived('{"event":"atc-traffic.subscribe[x1]:progress","data":[]}');
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if ($streamFirst) {
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$outcome->streamClosed();
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$this->assertSame([], $this->crashes, 'No verdict before the exit status is known.');
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$outcome->exited(self::KILLED);
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} else {
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$outcome->exited(self::KILLED);
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$this->assertSame([], $this->crashes, 'No verdict while frames may still be unread.');
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$outcome->streamClosed();
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}
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$this->assertSame([self::KILLED], $this->crashes);
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}
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}
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public function test_a_fatal_exit_without_reply_is_answered()
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{
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$outcome = $this->outcome();
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$outcome->streamClosed();
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$outcome->exited(self::EXIT_FATAL);
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$this->assertSame([self::EXIT_FATAL], $this->crashes);
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}
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public function test_a_child_that_replied_is_left_alone_even_if_it_crashed_afterwards()
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{
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foreach (['response', 'error'] as $suffix) {
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$outcome = $this->outcome();
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$outcome->frameReceived('{"event":"atc-traffic.subscribe[x1]:' . $suffix . '","data":{"ok":true},"channel":"websocket"}');
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$outcome->streamClosed();
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$outcome->exited(self::EXIT_FATAL);
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$this->assertTrue($outcome->replied());
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$this->assertSame([], $this->crashes, "A {$suffix} frame counts as the reply.");
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}
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}
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public function test_frames_for_other_events_or_broadcasts_are_not_a_reply()
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{
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$outcome = $this->outcome('dashboard.index');
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$outcome->frameReceived('B:{"event":"dashboard.index:response"}');
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$outcome->frameReceived('{"event":"dashboard.indexer:response"}');
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$outcome->frameReceived('{"data":1,"event":"dashboard.index:response"}');
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$outcome->frameReceived(null);
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$this->assertFalse($outcome->replied());
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}
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public function test_event_names_are_matched_in_their_json_encoded_form()
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{
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$event = 'admin/user.show[a"b]';
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$outcome = $this->outcome($event);
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$outcome->frameReceived(json_encode(['event' => $event . ':response', 'data' => null]));
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$this->assertTrue($outcome->replied());
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}
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public function test_a_clean_exit_or_an_unknown_status_sends_nothing()
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{
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foreach ([self::EXIT_OK, null] as $status) {
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$outcome = $this->outcome();
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$outcome->streamClosed();
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$outcome->exited($status);
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$this->assertSame([], $this->crashes);
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}
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}
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public function test_the_verdict_is_given_only_once()
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{
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$outcome = $this->outcome();
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$outcome->streamClosed();
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$outcome->exited(self::KILLED);
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$outcome->streamClosed();
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$outcome->exited(self::KILLED);
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$this->assertCount(1, $this->crashes);
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}
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}
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