mirror of
https://github.com/retailcrm/graphql-php.git
synced 2024-11-23 05:16:05 +03:00
423 lines
15 KiB
PHP
423 lines
15 KiB
PHP
<?php
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declare(strict_types=1);
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namespace GraphQL\Tests\Executor\Promise;
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use GraphQL\Executor\Promise\Adapter\SyncPromise;
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use PHPUnit\Framework\Error\Error;
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use PHPUnit\Framework\TestCase;
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use function uniqid;
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class SyncPromiseTest extends TestCase
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{
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public function getFulfilledPromiseResolveData()
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{
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$onFulfilledReturnsNull = function () {
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return null;
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};
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$onFulfilledReturnsSameValue = function ($value) {
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return $value;
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};
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$onFulfilledReturnsOtherValue = function ($value) {
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return 'other-' . $value;
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};
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$onFulfilledThrows = function ($value) {
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throw new \Exception('onFulfilled throws this!');
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};
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return [
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// $resolvedValue, $onFulfilled, $expectedNextValue, $expectedNextReason, $expectedNextState
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['test-value', null, 'test-value', null, SyncPromise::FULFILLED],
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[uniqid(), $onFulfilledReturnsNull, null, null, SyncPromise::FULFILLED],
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['test-value', $onFulfilledReturnsSameValue, 'test-value', null, SyncPromise::FULFILLED],
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['test-value-2', $onFulfilledReturnsOtherValue, 'other-test-value-2', null, SyncPromise::FULFILLED],
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['test-value-3', $onFulfilledThrows, null, 'onFulfilled throws this!', SyncPromise::REJECTED],
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];
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}
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/**
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* @dataProvider getFulfilledPromiseResolveData
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*/
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public function testFulfilledPromiseCannotChangeValue(
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$resolvedValue,
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$onFulfilled,
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$expectedNextValue,
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$expectedNextReason,
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$expectedNextState
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) {
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$promise = new SyncPromise();
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$this->assertEquals(SyncPromise::PENDING, $promise->state);
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$promise->resolve($resolvedValue);
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$this->assertEquals(SyncPromise::FULFILLED, $promise->state);
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$this->expectException(\Throwable::class);
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$this->expectExceptionMessage('Cannot change value of fulfilled promise');
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$promise->resolve($resolvedValue . '-other-value');
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}
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/**
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* @dataProvider getFulfilledPromiseResolveData
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*/
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public function testFulfilledPromiseCannotBeRejected(
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$resolvedValue,
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$onFulfilled,
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$expectedNextValue,
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$expectedNextReason,
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$expectedNextState
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) {
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$promise = new SyncPromise();
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$this->assertEquals(SyncPromise::PENDING, $promise->state);
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$promise->resolve($resolvedValue);
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$this->assertEquals(SyncPromise::FULFILLED, $promise->state);
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$this->expectException(\Throwable::class);
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$this->expectExceptionMessage('Cannot reject fulfilled promise');
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$promise->reject(new \Exception('anything'));
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}
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/**
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* @dataProvider getFulfilledPromiseResolveData
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*/
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public function testFulfilledPromise(
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$resolvedValue,
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$onFulfilled,
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$expectedNextValue,
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$expectedNextReason,
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$expectedNextState
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) {
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$promise = new SyncPromise();
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$this->assertEquals(SyncPromise::PENDING, $promise->state);
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$promise->resolve($resolvedValue);
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$this->assertEquals(SyncPromise::FULFILLED, $promise->state);
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$nextPromise = $promise->then(
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null,
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function () {
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}
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);
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$this->assertSame($promise, $nextPromise);
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$onRejectedCalled = false;
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$nextPromise = $promise->then(
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$onFulfilled,
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function () use (&$onRejectedCalled) {
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$onRejectedCalled = true;
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}
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);
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if ($onFulfilled) {
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$this->assertNotSame($promise, $nextPromise);
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$this->assertEquals(SyncPromise::PENDING, $nextPromise->state);
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} else {
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$this->assertEquals(SyncPromise::FULFILLED, $nextPromise->state);
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}
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$this->assertEquals(false, $onRejectedCalled);
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$this->assertValidPromise($nextPromise, $expectedNextReason, $expectedNextValue, $expectedNextState);
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$nextPromise2 = $promise->then($onFulfilled);
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$nextPromise3 = $promise->then($onFulfilled);
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if ($onFulfilled) {
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$this->assertNotSame($nextPromise, $nextPromise2);
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}
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SyncPromise::runQueue();
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$this->assertValidPromise($nextPromise2, $expectedNextReason, $expectedNextValue, $expectedNextState);
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$this->assertValidPromise($nextPromise3, $expectedNextReason, $expectedNextValue, $expectedNextState);
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}
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private function assertValidPromise(
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SyncPromise $promise,
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$expectedNextReason,
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$expectedNextValue,
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$expectedNextState
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) {
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$actualNextValue = null;
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$actualNextReason = null;
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$onFulfilledCalled = false;
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$onRejectedCalled = false;
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$promise->then(
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function ($nextValue) use (&$actualNextValue, &$onFulfilledCalled) {
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$onFulfilledCalled = true;
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$actualNextValue = $nextValue;
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},
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function (\Throwable $reason) use (&$actualNextReason, &$onRejectedCalled) {
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$onRejectedCalled = true;
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$actualNextReason = $reason->getMessage();
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}
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);
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$this->assertEquals($onFulfilledCalled, false);
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$this->assertEquals($onRejectedCalled, false);
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SyncPromise::runQueue();
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$this->assertEquals(! $expectedNextReason, $onFulfilledCalled);
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$this->assertEquals(! ! $expectedNextReason, $onRejectedCalled);
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$this->assertEquals($expectedNextValue, $actualNextValue);
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$this->assertEquals($expectedNextReason, $actualNextReason);
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$this->assertEquals($expectedNextState, $promise->state);
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}
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public function getRejectedPromiseData()
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{
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$onRejectedReturnsNull = function () {
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return null;
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};
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$onRejectedReturnsSomeValue = function ($reason) {
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return 'some-value';
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};
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$onRejectedThrowsSameReason = function ($reason) {
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throw $reason;
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};
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$onRejectedThrowsOtherReason = function ($value) {
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throw new \Exception('onRejected throws other!');
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};
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return [
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// $rejectedReason, $onRejected, $expectedNextValue, $expectedNextReason, $expectedNextState
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[new \Exception('test-reason'), null, null, 'test-reason', SyncPromise::REJECTED],
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[new \Exception('test-reason-2'), $onRejectedReturnsNull, null, null, SyncPromise::FULFILLED],
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[new \Exception('test-reason-3'), $onRejectedReturnsSomeValue, 'some-value', null, SyncPromise::FULFILLED],
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[new \Exception('test-reason-4'), $onRejectedThrowsSameReason, null, 'test-reason-4', SyncPromise::REJECTED],
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[new \Exception('test-reason-5'), $onRejectedThrowsOtherReason, null, 'onRejected throws other!', SyncPromise::REJECTED],
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];
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}
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/**
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* @dataProvider getRejectedPromiseData
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*/
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public function testRejectedPromiseCannotChangeReason(
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$rejectedReason,
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$onRejected,
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$expectedNextValue,
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$expectedNextReason,
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$expectedNextState
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) {
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$promise = new SyncPromise();
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$this->assertEquals(SyncPromise::PENDING, $promise->state);
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$promise->reject($rejectedReason);
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$this->assertEquals(SyncPromise::REJECTED, $promise->state);
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$this->expectException(\Throwable::class);
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$this->expectExceptionMessage('Cannot change rejection reason');
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$promise->reject(new \Exception('other-reason'));
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}
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/**
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* @dataProvider getRejectedPromiseData
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*/
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public function testRejectedPromiseCannotBeResolved(
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$rejectedReason,
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$onRejected,
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$expectedNextValue,
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$expectedNextReason,
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$expectedNextState
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) {
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$promise = new SyncPromise();
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$this->assertEquals(SyncPromise::PENDING, $promise->state);
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$promise->reject($rejectedReason);
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$this->assertEquals(SyncPromise::REJECTED, $promise->state);
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$this->expectException(\Throwable::class);
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$this->expectExceptionMessage('Cannot resolve rejected promise');
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$promise->resolve('anything');
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}
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/**
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* @dataProvider getRejectedPromiseData
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*/
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public function testRejectedPromise(
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$rejectedReason,
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$onRejected,
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$expectedNextValue,
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$expectedNextReason,
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$expectedNextState
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) {
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$promise = new SyncPromise();
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$this->assertEquals(SyncPromise::PENDING, $promise->state);
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$promise->reject($rejectedReason);
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$this->assertEquals(SyncPromise::REJECTED, $promise->state);
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try {
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$promise->reject(new \Exception('other-reason'));
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$this->fail('Expected exception not thrown');
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} catch (\Throwable $e) {
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$this->assertEquals('Cannot change rejection reason', $e->getMessage());
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}
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try {
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$promise->resolve('anything');
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$this->fail('Expected exception not thrown');
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} catch (\Throwable $e) {
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$this->assertEquals('Cannot resolve rejected promise', $e->getMessage());
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}
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$nextPromise = $promise->then(
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function () {
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},
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null
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);
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$this->assertSame($promise, $nextPromise);
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$onFulfilledCalled = false;
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$nextPromise = $promise->then(
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function () use (&$onFulfilledCalled) {
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$onFulfilledCalled = true;
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},
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$onRejected
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);
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if ($onRejected) {
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$this->assertNotSame($promise, $nextPromise);
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$this->assertEquals(SyncPromise::PENDING, $nextPromise->state);
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} else {
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$this->assertEquals(SyncPromise::REJECTED, $nextPromise->state);
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}
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$this->assertEquals(false, $onFulfilledCalled);
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$this->assertValidPromise($nextPromise, $expectedNextReason, $expectedNextValue, $expectedNextState);
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$nextPromise2 = $promise->then(null, $onRejected);
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$nextPromise3 = $promise->then(null, $onRejected);
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if ($onRejected) {
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$this->assertNotSame($nextPromise, $nextPromise2);
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}
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SyncPromise::runQueue();
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$this->assertValidPromise($nextPromise2, $expectedNextReason, $expectedNextValue, $expectedNextState);
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$this->assertValidPromise($nextPromise3, $expectedNextReason, $expectedNextValue, $expectedNextState);
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}
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public function testPendingPromise() : void
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{
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$promise = new SyncPromise();
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$this->assertEquals(SyncPromise::PENDING, $promise->state);
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try {
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$promise->resolve($promise);
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$this->fail('Expected exception not thrown');
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} catch (\Throwable $e) {
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$this->assertEquals('Cannot resolve promise with self', $e->getMessage());
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$this->assertEquals(SyncPromise::PENDING, $promise->state);
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}
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// Try to resolve with other promise (must resolve when other promise resolves)
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$otherPromise = new SyncPromise();
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$promise->resolve($otherPromise);
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$this->assertEquals(SyncPromise::PENDING, $promise->state);
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$this->assertEquals(SyncPromise::PENDING, $otherPromise->state);
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$otherPromise->resolve('the value');
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$this->assertEquals(SyncPromise::FULFILLED, $otherPromise->state);
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$this->assertEquals(SyncPromise::PENDING, $promise->state);
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$this->assertValidPromise($promise, null, 'the value', SyncPromise::FULFILLED);
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$promise = new SyncPromise();
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$promise->resolve('resolved!');
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$this->assertValidPromise($promise, null, 'resolved!', SyncPromise::FULFILLED);
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// Test rejections
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$promise = new SyncPromise();
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$this->assertEquals(SyncPromise::PENDING, $promise->state);
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try {
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$promise->reject('a');
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$this->fail('Expected exception not thrown');
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} catch (Error $e) {
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throw $e;
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} catch (\Throwable $e) {
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$this->assertEquals(SyncPromise::PENDING, $promise->state);
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}
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$promise->reject(new \Exception('Rejected Reason'));
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$this->assertValidPromise($promise, 'Rejected Reason', null, SyncPromise::REJECTED);
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$promise = new SyncPromise();
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$promise2 = $promise->then(
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null,
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function () {
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return 'value';
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}
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);
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$promise->reject(new \Exception('Rejected Again'));
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$this->assertValidPromise($promise2, null, 'value', SyncPromise::FULFILLED);
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$promise = new SyncPromise();
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$promise2 = $promise->then();
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$promise->reject(new \Exception('Rejected Once Again'));
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$this->assertValidPromise($promise2, 'Rejected Once Again', null, SyncPromise::REJECTED);
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}
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public function testPendingPromiseThen() : void
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{
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$promise = new SyncPromise();
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$this->assertEquals(SyncPromise::PENDING, $promise->state);
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$nextPromise = $promise->then();
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$this->assertNotSame($promise, $nextPromise);
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$this->assertEquals(SyncPromise::PENDING, $promise->state);
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$this->assertEquals(SyncPromise::PENDING, $nextPromise->state);
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// Make sure that it queues derivative promises until resolution:
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$onFulfilledCount = 0;
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$onRejectedCount = 0;
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$onFulfilled = function ($value) use (&$onFulfilledCount) {
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$onFulfilledCount++;
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return $onFulfilledCount;
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};
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$onRejected = function ($reason) use (&$onRejectedCount) {
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$onRejectedCount++;
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throw $reason;
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};
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$nextPromise2 = $promise->then($onFulfilled, $onRejected);
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$nextPromise3 = $promise->then($onFulfilled, $onRejected);
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$nextPromise4 = $promise->then($onFulfilled, $onRejected);
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$this->assertEquals(SyncPromise::getQueue()->count(), 0);
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$this->assertEquals($onFulfilledCount, 0);
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$this->assertEquals($onRejectedCount, 0);
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$promise->resolve(1);
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$this->assertEquals(SyncPromise::getQueue()->count(), 4);
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$this->assertEquals($onFulfilledCount, 0);
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$this->assertEquals($onRejectedCount, 0);
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$this->assertEquals(SyncPromise::PENDING, $nextPromise->state);
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$this->assertEquals(SyncPromise::PENDING, $nextPromise2->state);
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$this->assertEquals(SyncPromise::PENDING, $nextPromise3->state);
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$this->assertEquals(SyncPromise::PENDING, $nextPromise4->state);
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SyncPromise::runQueue();
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$this->assertEquals(SyncPromise::getQueue()->count(), 0);
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$this->assertEquals($onFulfilledCount, 3);
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$this->assertEquals($onRejectedCount, 0);
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$this->assertValidPromise($nextPromise, null, 1, SyncPromise::FULFILLED);
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$this->assertValidPromise($nextPromise2, null, 1, SyncPromise::FULFILLED);
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$this->assertValidPromise($nextPromise3, null, 2, SyncPromise::FULFILLED);
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$this->assertValidPromise($nextPromise4, null, 3, SyncPromise::FULFILLED);
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}
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}
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