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312
vendor/react/promise/tests/PromiseTest/ResolveTestTrait.php
vendored
Executable file
312
vendor/react/promise/tests/PromiseTest/ResolveTestTrait.php
vendored
Executable file
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<?php
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namespace React\Promise\PromiseTest;
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use React\Promise;
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trait ResolveTestTrait
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{
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/**
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* @return \React\Promise\PromiseAdapter\PromiseAdapterInterface
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*/
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abstract public function getPromiseTestAdapter(callable $canceller = null);
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/** @test */
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public function resolveShouldResolve()
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{
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$adapter = $this->getPromiseTestAdapter();
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$mock = $this->createCallableMock();
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$mock
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->expects($this->once())
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->method('__invoke')
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->with($this->identicalTo(1));
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$adapter->promise()
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->then($mock);
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$adapter->resolve(1);
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}
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/** @test */
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public function resolveShouldResolveWithPromisedValue()
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{
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$adapter = $this->getPromiseTestAdapter();
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$mock = $this->createCallableMock();
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$mock
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->expects($this->once())
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->method('__invoke')
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->with($this->identicalTo(1));
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$adapter->promise()
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->then($mock);
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$adapter->resolve(Promise\resolve(1));
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}
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/** @test */
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public function resolveShouldRejectWhenResolvedWithRejectedPromise()
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{
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$adapter = $this->getPromiseTestAdapter();
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$mock = $this->createCallableMock();
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$mock
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->expects($this->once())
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->method('__invoke')
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->with($this->identicalTo(1));
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$adapter->promise()
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->then($this->expectCallableNever(), $mock);
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$adapter->resolve(Promise\reject(1));
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}
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/** @test */
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public function resolveShouldForwardValueWhenCallbackIsNull()
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{
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$adapter = $this->getPromiseTestAdapter();
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$mock = $this->createCallableMock();
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$mock
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->expects($this->once())
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->method('__invoke')
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->with($this->identicalTo(1));
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$adapter->promise()
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->then(
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null,
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$this->expectCallableNever()
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)
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->then(
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$mock,
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$this->expectCallableNever()
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);
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$adapter->resolve(1);
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}
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/** @test */
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public function resolveShouldMakePromiseImmutable()
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{
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$adapter = $this->getPromiseTestAdapter();
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$mock = $this->createCallableMock();
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$mock
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->expects($this->once())
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->method('__invoke')
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->with($this->identicalTo(1));
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$adapter->promise()
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->then(function ($value) use ($adapter) {
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$adapter->resolve(3);
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return $value;
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})
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->then(
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$mock,
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$this->expectCallableNever()
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);
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$adapter->resolve(1);
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$adapter->resolve(2);
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}
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/**
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* @test
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*/
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public function resolveShouldRejectWhenResolvedWithItself()
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{
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$adapter = $this->getPromiseTestAdapter();
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$mock = $this->createCallableMock();
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$mock
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->expects($this->once())
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->method('__invoke')
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->with(new \LogicException('Cannot resolve a promise with itself.'));
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$adapter->promise()
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->then(
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$this->expectCallableNever(),
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$mock
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);
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$adapter->resolve($adapter->promise());
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}
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/**
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* @test
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*/
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public function resolveShouldRejectWhenResolvedWithAPromiseWhichFollowsItself()
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{
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$adapter1 = $this->getPromiseTestAdapter();
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$adapter2 = $this->getPromiseTestAdapter();
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$mock = $this->createCallableMock();
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$mock
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->expects($this->once())
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->method('__invoke')
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->with(new \LogicException('Cannot resolve a promise with itself.'));
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$promise1 = $adapter1->promise();
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$promise2 = $adapter2->promise();
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$promise2->then(
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$this->expectCallableNever(),
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$mock
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);
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$adapter1->resolve($promise2);
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$adapter2->resolve($promise1);
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}
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/** @test */
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public function doneShouldInvokeFulfillmentHandler()
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{
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$adapter = $this->getPromiseTestAdapter();
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$mock = $this->createCallableMock();
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$mock
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->expects($this->once())
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->method('__invoke')
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->with($this->identicalTo(1));
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$this->assertNull($adapter->promise()->done($mock));
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$adapter->resolve(1);
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}
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/** @test */
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public function doneShouldThrowExceptionThrownFulfillmentHandler()
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{
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$adapter = $this->getPromiseTestAdapter();
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$this->setExpectedException('\Exception', 'UnhandledRejectionException');
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$this->assertNull($adapter->promise()->done(function () {
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throw new \Exception('UnhandledRejectionException');
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}));
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$adapter->resolve(1);
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}
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/** @test */
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public function doneShouldThrowUnhandledRejectionExceptionWhenFulfillmentHandlerRejects()
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{
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$adapter = $this->getPromiseTestAdapter();
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$this->setExpectedException('React\\Promise\\UnhandledRejectionException');
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$this->assertNull($adapter->promise()->done(function () {
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return \React\Promise\reject();
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}));
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$adapter->resolve(1);
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}
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/** @test */
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public function alwaysShouldNotSuppressValue()
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{
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$adapter = $this->getPromiseTestAdapter();
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$value = new \stdClass();
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$mock = $this->createCallableMock();
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$mock
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->expects($this->once())
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->method('__invoke')
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->with($this->identicalTo($value));
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$adapter->promise()
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->always(function () {})
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->then($mock);
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$adapter->resolve($value);
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}
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/** @test */
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public function alwaysShouldNotSuppressValueWhenHandlerReturnsANonPromise()
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{
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$adapter = $this->getPromiseTestAdapter();
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$value = new \stdClass();
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$mock = $this->createCallableMock();
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$mock
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->expects($this->once())
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->method('__invoke')
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->with($this->identicalTo($value));
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$adapter->promise()
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->always(function () {
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return 1;
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})
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->then($mock);
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$adapter->resolve($value);
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}
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/** @test */
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public function alwaysShouldNotSuppressValueWhenHandlerReturnsAPromise()
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{
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$adapter = $this->getPromiseTestAdapter();
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$value = new \stdClass();
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$mock = $this->createCallableMock();
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$mock
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->expects($this->once())
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->method('__invoke')
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->with($this->identicalTo($value));
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$adapter->promise()
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->always(function () {
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return \React\Promise\resolve(1);
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})
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->then($mock);
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$adapter->resolve($value);
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}
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/** @test */
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public function alwaysShouldRejectWhenHandlerThrowsForFulfillment()
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{
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$adapter = $this->getPromiseTestAdapter();
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$exception = new \Exception();
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$mock = $this->createCallableMock();
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$mock
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->expects($this->once())
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->method('__invoke')
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->with($this->identicalTo($exception));
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$adapter->promise()
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->always(function () use ($exception) {
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throw $exception;
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})
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->then(null, $mock);
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$adapter->resolve(1);
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}
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/** @test */
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public function alwaysShouldRejectWhenHandlerRejectsForFulfillment()
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{
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$adapter = $this->getPromiseTestAdapter();
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$exception = new \Exception();
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$mock = $this->createCallableMock();
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$mock
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->expects($this->once())
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->method('__invoke')
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->with($this->identicalTo($exception));
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$adapter->promise()
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->always(function () use ($exception) {
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return \React\Promise\reject($exception);
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})
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->then(null, $mock);
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$adapter->resolve(1);
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}
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}
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