/**
* @override
* @inheritDoc
*/
public function execute($params = [])
{
$promise = Promise::doResolve($params);
return $promise->then(function ($params) {
return $this->command($params);
});
}
/**
*
*/
public function testApiSome_RejectsPromise_IfAnyInputPromiseRejects_BeforeDesiredNumberOfInputsAreResolved()
{
$test = $this->getTest();
$mock = $test->createCallableMock();
$mock->expects($test->once())->method('__invoke')->with($test->identicalTo([1 => 2, 2 => 3]));
Promise::some([Promise::doResolve(1), Promise::doReject(2), Promise::doReject(3)], 2)->then($test->expectCallableNever(), $mock);
}
/**
*
*/
public function testApiAny_ResolvesPromise_IfAnyInputPromisesResolve()
{
$test = $this->getTest();
$mock = $test->createCallableMock();
$mock->expects($test->once())->method('__invoke')->with($test->identicalTo(2));
Promise::any([Promise::doReject(1), Promise::doResolve(2), Promise::doReject(3)])->then($mock);
}
/**
* @override
* @inheritDoc
*/
public function solve($ex, $params = [])
{
foreach ($this->requires as $require) {
if (!isset($params[$require])) {
return Promise::doReject(new IllegalCallException('Missing parameter [' . $require . '] for [' . get_class($this) . '].'));
}
}
return Promise::doResolve($this->solver($ex, $params));
}
/**
* Handler to be called when solver is requested.
*
* @param Error|Exception|string $ex
* @param mixed[] $params
* @return mixed
* @throws RejectionException
*/
protected function solver($ex, $params = [])
{
$promise = Promise::doResolve();
foreach ($this->handlers as $handler) {
$current = $handler;
$promise = $promise->then(function () use($ex, $params, $current) {
return Promise::doResolve($current->solve($ex, $params));
});
}
return $promise;
}
/**
* @override
* @inheritDoc
*/
protected function command($params = [])
{
$runtime = $this->runtime;
$channel = $this->channel;
$promise = Promise::doResolve();
return $promise->then(function () use($runtime) {
return $runtime->getManager()->getRuntimes();
})->then(function ($children) use($channel) {
$promises = [];
foreach ($children as $childAlias) {
$req = $this->createRequest($channel, $childAlias, new RuntimeCommand('arch:status'));
$promises[] = $req->call();
}
return Promise::all($promises);
})->then(function ($childrenData) use($runtime) {
return ['parent' => $runtime->getParent(), 'alias' => $runtime->getAlias(), 'name' => $runtime->getName(), 'state' => $runtime->getState(), 'children' => $childrenData];
});
}
/**
*
*/
public function testApiSolver_CallsHandlersOneAfterAnother()
{
$ex = new Exception('Exception');
$params = ['params1' => 'value1'];
$queue = '';
$solver1 = $this->getMock(SolverInterface::class, [], [], '', false);
$solver1->expects($this->once())->method('solve')->with($ex, $params)->will($this->returnCallback(function () use(&$queue) {
$queue .= 'A';
return Promise::doResolve()->then(function () use(&$queue) {
$queue .= 'C';
});
}));
$solver2 = $this->getMock(SolverInterface::class, [], [], '', false);
$solver2->expects($this->once())->method('solve')->with($ex, $params)->will($this->returnCallback(function () use(&$queue) {
$queue .= 'B';
return 'done';
}));
$solver = $this->createSolver([$solver1, $solver2]);
$callable = $this->createCallableMock();
$callable->expects($this->once())->method('__invoke')->with('done');
$result = $this->callProtectedMethod($solver, 'solver', [$ex, $params]);
$result->then($callable);
$this->assertSame('ACB', $queue);
}
/**
* @override
* @inheritDoc
*/
public function destroyProject($flags = Runtime::DESTROY_FORCE_SOFT)
{
if (!isset($this->data['pid'])) {
return Promise::doResolve("Project was not needed to be destroyed, because it had not existed.");
}
$manager = $this;
$pid = $this->data['pid'];
$alias = $this->data['alias'];
$name = $this->data['name'];
if ($flags === Runtime::DESTROY_KEEP) {
return Promise::doReject(new ResourceOccupiedException("Project could not be destroyed with force level=DESTROY_KEEP."));
} else {
if ($flags === Runtime::DESTROY_FORCE_SOFT) {
$req = $this->createRequest($this->channel, $alias, new RuntimeCommand('container:destroy'));
return $req->call()->then(function ($value) use($manager) {
usleep(1000.0);
$manager->freeProject();
return $value;
});
} else {
if ($flags === Runtime::DESTROY_FORCE) {
return $this->destroyProject(Runtime::DESTROY_FORCE_SOFT)->then(null, function () use($manager) {
return $manager->destroyProject(Runtime::DESTROY_FORCE_HARD);
});
}
}
}
if (!$this->system->existsPid($pid)) {
return Promise::doResolve()->then(function () use($manager) {
$manager->freeProject();
return "Project was not needed to be destroyed, because it had not existed.";
});
} else {
if (!$this->system->kill($pid)) {
return Promise::doReject(new ResourceOccupiedException("Project could not be killed forcefully."));
}
}
return Promise::doResolve()->then(function () use($manager) {
$manager->freeProject();
return "Process has been destroyed!";
});
}
/**
*
*/
public function testApiAlways_DoesNotSuppressRejection_WhenHandlerReturnsPromise_ForRejectedPromise()
{
$deferred = $this->createDeferred();
$test = $this->getTest();
$exception = new Exception();
$mock = $test->createCallableMock();
$mock->expects($test->once())->method('__invoke')->with($test->identicalTo($exception));
$deferred->reject($exception);
$deferred->getPromise()->always(function () {
return Promise::doResolve(1);
})->then(null, $mock);
}
/**
* @override
* @inheritDoc
*/
public function stop()
{
$state = $this->getState();
if ($state === Runtime::STATE_CREATED || $state === Runtime::STATE_DESTROYED) {
return Promise::doReject(new RejectionException("It is not possible to stop runtime from state [{$state}]."));
} else {
if ($state === Runtime::STATE_STOPPED) {
return Promise::doResolve('Runtime has been already stopped.');
}
}
$this->setState(Runtime::STATE_STOPPED);
$emitter = $this->getEventEmitter();
$emitter->emit('beforeStop');
$emitter->emit('stop');
$emitter->emit('afterStop');
return Promise::doResolve('Runtime has been stopped.');
}
/**
* @override
* @inheritDoc
*/
public function always(callable $onFulfilledOrRejected)
{
return $this->then(null, function ($reason) use($onFulfilledOrRejected) {
return Promise::doResolve($onFulfilledOrRejected())->then(function () use($reason) {
return new static($reason);
});
});
}
/**
* @override
* @inheritDoc
*/
public function always(callable $onFulfilledOrRejected)
{
return $this->then(function ($value) use($onFulfilledOrRejected) {
return Promise::doResolve($onFulfilledOrRejected())->then(function () use($value) {
return $value;
});
});
}
/**
*
*/
public function testApiResolve_Returns_FromFulfillmentHandler()
{
$deferred = $this->createDeferred();
$test = $this->getTest();
$value = 5;
$mock = $test->createCallableMock();
$mock->expects($test->once())->method('__invoke')->with($test->identicalTo($value));
$deferred->getPromise()->spread(function () use($value) {
return Promise::doResolve($value);
})->then($mock);
$deferred->resolve();
}
/**
* @override
* @inheritDoc
*/
public function sendMessage($alias, $message, $flags = Channel::MODE_DEFAULT)
{
$result = $this->channel->send($alias, $message, $flags);
return Promise::doResolve($result);
}
/**
* @param Error|Exception $ex
* @param mixed[] $params
* @return mixed
*/
protected function solver($ex, $params = [])
{
$this->runtime->fail($ex, $params);
return Promise::doResolve('Runtime has handled failure.');
}
/**
* @override
* @inheritDoc
*/
public function flushProcesses($flags = Runtime::DESTROY_KEEP)
{
return Promise::doResolve("Processes have been flushed.");
}
/**
* @override
* @inheritDoc
*/
public function getProcesses()
{
$list = [];
foreach ($this->processes as $alias => $process) {
$list[] = $alias;
}
return Promise::doResolve($list);
}
/**
* @override
* @inheritDoc
*/
public function getThreads()
{
$list = [];
foreach ($this->threads as $alias => $wrapper) {
$list[] = $alias;
}
return Promise::doResolve($list);
}
/**
*
*/
public function testApiAlways_DoesNotSuppressCancellation_WhenHandlerReturnsPromise()
{
$deferred = $this->createDeferred();
$test = $this->getTest();
$value = new StdClass();
$mock = $test->createCallableMock();
$mock->expects($test->once())->method('__invoke')->with($test->identicalTo($value));
$deferred->getPromise()->always(function () {
return Promise::doResolve(1);
})->then(null, null, $mock);
$deferred->cancel($value);
}
/**
* @override
* @inheritDoc
*/
public function solve($ex, $params = [], &$try = 0)
{
$classBaseEx = get_class($ex);
$classes = array_merge([$classBaseEx], class_parents($ex));
$indexMin = -1;
$chosen = null;
foreach ($classes as $class) {
$indexCurrent = array_search($class, array_keys($this->rules), true);
if ($indexCurrent !== false && ($indexMin === -1 || $indexCurrent < $indexMin)) {
$indexMin = $indexCurrent;
$chosen = $class;
}
}
if ($chosen === null) {
return Promise::doReject(new ExecutionException("SolverInterface for [{$classBaseEx}] is not registered."));
}
$try++;
$params = array_merge($this->params, $params);
$valueOrPromise = $this->getSolver($chosen)->solve($ex, $params);
return Promise::doResolve($valueOrPromise);
}
/**
*
*/
public function testApiReduce_RejectsPromise_WhenInputContainsRejection()
{
$test = $this->getTest();
$mock = $test->createCallableMock();
$mock->expects($test->once())->method('__invoke')->with($test->identicalTo(2));
Promise::reduce([Promise::doResolve(1), Promise::doReject(2), Promise::doResolve(3)], $this->plus(), Promise::doResolve(1))->then($test->expectCallableNever(), $mock);
}
/**
* @return callable
*/
protected function promiseMapper()
{
return function ($val) {
return Promise::doResolve($val * 2);
};
}
/**
*
*/
public function testApiDoResolve_ReturnsPromise()
{
$test = $this->getTest();
$test->assertInstanceOf(PromiseInterface::class, Promise::doResolve(1));
}
/**
* @param InputInterface $input
* @param OutputInterface $output
* @return int|null|void
*/
protected function execute(InputInterface $input, OutputInterface $output)
{
$this->onStart();
$promise = Promise::doResolve($this->command($input, $output));
$promise->then(function ($value) {
return $this->onSuccess($value);
}, function ($ex) {
return $this->onFailure($ex);
}, function ($ex) {
return $this->onCancel($ex);
})->always(function () {
$this->onStop();
});
}
/**
* @override
* @inheritDoc
*/
public function flushThreads($flags = Runtime::DESTROY_KEEP)
{
return Promise::doResolve("Threads have been flushed.");
}
