Graze\ParallelProcess\Test\Unit\PriorityPoolTest

Complexity

Total Complexity

18

Size/Duplication

Total Lines	267
Duplicated Lines	0 %

Importance

Changes

0

16 Methods

Rating	Name	Duplication	Size	Complexity
A	testPriorityWillRunTheHighestFirst()	0	47	1
A	testPriorityPoolRunsRunWhenInstantRunIsOn()	0	27	1
A	setUp()	0	6	1
A	testAddingNonRunInterfaceWillThrowException()	0	5	1
A	testPriorityPoolInitialStateWithNoRuns()	0	7	1
A	testPriorityPoolAddingProcessFiresAnEvent()	0	22	2
A	testPriorityPoolInitialStateWithProcess()	0	10	1
A	testPriorityPoolConstructor()	0	11	2
A	testPriorityPoolInitialStateWithInstantRun()	0	21	1
A	testPriorityPoolAddingRun()	0	9	1
A	testPriorityPoolInstantRunStates()	0	7	1
A	testPriorityPoolAddingProcess()	0	10	1
A	testPriorityPoolIsARunInterface()	0	4	1
A	testPriorityPoolIsACollectionOfRuns()	0	11	1
A	testPriorityPoolUnableToAddRunningProcessWhenPoolHasNotStarted()	0	9	1
A	testPriorityPoolAddingRunFiresAnEvent()	0	20	1

<?php

/**
 * This file is part of graze/parallel-process.
 *
 * Copyright © 2018 Nature Delivered Ltd. <https://www.graze.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 *
 * @license https://github.com/graze/parallel-process/blob/master/LICENSE.md
 * @link    https://github.com/graze/parallel-process
 */

namespace Graze\ParallelProcess\Test\Unit;

use Graze\DataStructure\Collection\CollectionInterface;
use Graze\ParallelProcess\CallbackRun;
use Graze\ParallelProcess\Event\PoolRunEvent;
use Graze\ParallelProcess\PriorityPool;
use Graze\ParallelProcess\ProcessRun;
use Graze\ParallelProcess\RunInterface;
use Graze\ParallelProcess\Test\TestCase;
use Mockery;
use Symfony\Component\Process\Process;

class PriorityPoolTest extends TestCase
{
    /** @var mixed */
    private $process;

    public function setUp()
    {
        parent::setUp();

        $this->process = Mockery::mock(Process::class)
                                ->allows(['stop' => null, 'isStarted' => false, 'isRunning' => false]);
    }

    public function testPriorityPoolIsARunInterface()
    {
        $priorityPool = new PriorityPool();
        $this->assertInstanceOf(RunInterface::class, $priorityPool);
    }

    public function testPriorityPoolIsACollectionOfRuns()
    {
        $priorityPool = new PriorityPool();
        $this->assertInstanceOf(CollectionInterface::class, $priorityPool);

        $this->assertSame($priorityPool, $priorityPool->add($this->process));

        $runs = $priorityPool->getAll();
        $this->assertCount(1, $runs);

        $this->assertInstanceOf(ProcessRun::class, reset($runs));
    }

    public function testPriorityPoolInitialStateWithProcess()
    {
        $priorityPool = new PriorityPool();
        $priorityPool->add($this->process);

        $this->assertFalse($priorityPool->isSuccessful());
        $this->assertFalse($priorityPool->isRunning());
        $this->assertFalse($priorityPool->hasStarted());
        $this->assertFalse($priorityPool->isRunInstantly());
        $this->assertEquals(PriorityPool::NO_MAX, $priorityPool->getMaxSimultaneous());
    }

    public function testPriorityPoolConstructor()
    {
        $runs = [];
        for ($i = 0; $i < 2; $i++) {
            $runs[] = Mockery::mock(RunInterface::class)
                             ->allows(['isRunning' => false, 'hasStarted' => false, 'addListener' => true, 'getPriority' => 1.0]);
        }

        $priorityPool = new PriorityPool($runs);

        $this->assertEquals(2, $priorityPool->count());
    }

    /**
     * @expectedException \InvalidArgumentException
     */
    public function testAddingNonRunInterfaceWillThrowException()
    {
        $nope = Mockery::mock();
        $priorityPool = new PriorityPool();
        $priorityPool->add($nope);

$nope of type Mockery\MockInterface is incompatible with the type Graze\ParallelProcess\PoolInterface|Symfony\Component\Process\Process|Graze\ParallelProcess\RunInterface expected by parameter $item of Graze\ParallelProcess\PriorityPool::add().

    }

    public function testPriorityPoolInitialStateWithNoRuns()
    {
        $priorityPool = new PriorityPool();

        $this->assertFalse($priorityPool->isSuccessful(), 'should not be successful');
        $this->assertFalse($priorityPool->isRunning(), 'should not be running');
        $this->assertFalse($priorityPool->hasStarted(), 'should not be started');
    }

    public function testPriorityPoolAddingRun()
    {
        $run = Mockery::mock(RunInterface::class);
        $run->allows(['hasStarted' => false, 'isRunning' => false, 'addListener' => $run, 'getPriority' => 1.0]);

        $priorityPool = new PriorityPool();
        $priorityPool->add($run);

$run of type Mockery\MockInterface is incompatible with the type Graze\ParallelProcess\PoolInterface|Symfony\Component\Process\Process|Graze\ParallelProcess\RunInterface expected by parameter $item of Graze\ParallelProcess\PriorityPool::add().

        $this->assertEquals(1, $priorityPool->count());
    }

    public function testPriorityPoolAddingRunFiresAnEvent()
    {
        $run = Mockery::mock(RunInterface::class);
        $run->allows(['hasStarted' => false, 'isRunning' => false, 'addListener' => $run, 'getPriority' => 1.0]);

        $hit = false;

        $priorityPool = new PriorityPool();
        $priorityPool->addListener(
            PoolRunEvent::POOL_RUN_ADDED,
            function (PoolRunEvent $event) use ($priorityPool, $run, &$hit) {
                $this->assertSame($priorityPool, $event->getPool());
                $this->assertSame($run, $event->getRun());
                $hit = true;
            }
        );
        $priorityPool->add($run);

$run of type Mockery\MockInterface is incompatible with the type Graze\ParallelProcess\PoolInterface|Symfony\Component\Process\Process|Graze\ParallelProcess\RunInterface expected by parameter $item of Graze\ParallelProcess\PriorityPool::add().

        $this->assertEquals(1, $priorityPool->count());
        $this->assertTrue($hit);
    }

    public function testPriorityPoolAddingProcess()
    {
        $priorityPool = new PriorityPool();
        $priorityPool->add($this->process);

        $this->assertEquals(1, $priorityPool->count());
        $runs = $priorityPool->getAll();
        $run = reset($runs);

        $this->assertEquals($this->process, $run->getProcess());
    }

    public function testPriorityPoolAddingProcessFiresAnEvent()
    {
        $priorityPool = new PriorityPool();
        $priorityPool->addListener(
            PoolRunEvent::POOL_RUN_ADDED,
            function (PoolRunEvent $event) use ($priorityPool, &$hit) {
                $this->assertSame($priorityPool, $event->getPool());
                $run = $event->getRun();
                if ($run instanceof ProcessRun) {
                    $this->assertSame($this->process, $run->getProcess());
                }
                $hit = true;
            }
        );
        $priorityPool->add($this->process);

        $this->assertEquals(1, $priorityPool->count());
        $runs = $priorityPool->getAll();
        $run = reset($runs);

        $this->assertEquals($this->process, $run->getProcess());
        $this->assertTrue($hit);
    }

    /**
     * @expectedException \Graze\ParallelProcess\Exceptions\NotRunningException
     */
    public function testPriorityPoolUnableToAddRunningProcessWhenPoolHasNotStarted()
    {
        $run = Mockery::mock(RunInterface::class);
        $run->shouldReceive('isRunning')
            ->andReturn(true);

        $priorityPool = new PriorityPool();

        $priorityPool->add($run);

$run of type Mockery\MockInterface is incompatible with the type Graze\ParallelProcess\PoolInterface|Symfony\Component\Process\Process|Graze\ParallelProcess\RunInterface expected by parameter $item of Graze\ParallelProcess\PriorityPool::add().

    }

    public function testPriorityPoolInstantRunStates()
    {
        $priorityPool = new PriorityPool();

        $this->assertFalse($priorityPool->isRunInstantly());
        $this->assertSame($priorityPool, $priorityPool->setRunInstantly(true));
        $this->assertTrue($priorityPool->isRunInstantly());
    }

    public function testPriorityPoolInitialStateWithInstantRun()
    {
        $process = Mockery::mock(Process::class);
        $process->shouldReceive('stop');
        $process->shouldReceive('isStarted')->andReturn(false, false, false, true);
        $process->shouldReceive('isRunning')->andReturn(false, false, true, false);
        $process->shouldReceive('start')->atLeast()->once();
        $process->shouldReceive('isSuccessful')->once()->andReturn(true);

        $priorityPool = new PriorityPool([$process], PriorityPool::NO_MAX, true);

        $this->assertTrue($priorityPool->hasStarted());
        $this->assertTrue($priorityPool->isRunning());
        $this->assertFalse($priorityPool->isSuccessful());
        $this->assertTrue($priorityPool->isRunInstantly());

        $priorityPool->poll();

        $this->assertTrue($priorityPool->hasStarted());
        $this->assertFalse($priorityPool->isRunning());
        $this->assertTrue($priorityPool->isSuccessful());
    }

    public function testPriorityPoolRunsRunWhenInstantRunIsOn()
    {
        $priorityPool = new PriorityPool();
        $priorityPool->setRunInstantly(true);

        $process = Mockery::mock(Process::class);
        $process->shouldReceive('stop');
        $process->shouldReceive('isStarted')->andReturn(false, false, false, true);
        $process->shouldReceive('isRunning')->andReturn(false, false, true, false);
        $process->shouldReceive('start')->atLeast()->once();
        $process->shouldReceive('isSuccessful')->once()->andReturn(true);

        $this->assertFalse($priorityPool->hasStarted());
        $this->assertFalse($priorityPool->isRunning());
        $this->assertFalse($priorityPool->isSuccessful());

        $priorityPool->add($process);

$process of type Mockery\MockInterface is incompatible with the type Graze\ParallelProcess\PoolInterface|Symfony\Component\Process\Process|Graze\ParallelProcess\RunInterface expected by parameter $item of Graze\ParallelProcess\PriorityPool::add().

        $this->assertTrue($priorityPool->hasStarted());
        $this->assertTrue($priorityPool->isRunning());
        $this->assertFalse($priorityPool->isSuccessful());

        $priorityPool->poll();

        $this->assertTrue($priorityPool->hasStarted());
        $this->assertFalse($priorityPool->isRunning());
        $this->assertTrue($priorityPool->isSuccessful());
    }

    public function testPriorityWillRunTheHighestFirst()
    {
        $priorityPool = new PriorityPool();
        $priorityPool->setRunInstantly(false)
                     ->setMaxSimultaneous(1);

        $run1 = new CallbackRun(
            function () {
                return true;
            },
            [],
            1.5
        );

        $priorityPool->add($run1);

        $run2 = new CallbackRun(
            function () {
                return true;
            },
            [],
            1.6
        );

        $priorityPool->add($run2);

        $this->assertFalse($priorityPool->hasStarted());
        $this->assertFalse($priorityPool->isRunning());
        $this->assertFalse($priorityPool->isSuccessful());

        $priorityPool->poll();

        $this->assertTrue($priorityPool->hasStarted());
        $this->assertTrue($priorityPool->isRunning());
        $this->assertFalse($priorityPool->isSuccessful());

        $waiting = $priorityPool->getWaiting();

        $this->assertSame($run1, reset($waiting));

        $priorityPool->poll();

        $this->assertTrue($priorityPool->hasStarted());
        $this->assertFalse($priorityPool->isRunning());
        $this->assertTrue($priorityPool->isSuccessful());

        $priorityPool->poll();
    }
}