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<?php
/*
* This file is part of the Symfony package.
*
* (c) Fabien Potencier <fabien@symfony.com>
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Symfony\Component\Console\Tests\Helper;
use Symfony\Component\Console\Helper\HelperSet;
use Symfony\Component\Console\Command\Command;
class HelperSetTest extends \PHPUnit_Framework_TestCase
{
/**
* @covers \Symfony\Component\Console\Helper\HelperSet::__construct
*/
public function testConstructor()
{
$mock_helper = $this->getGenericMockHelper('fake_helper');
$helperset = new HelperSet(array('fake_helper_alias' => $mock_helper));
$this->assertEquals($mock_helper, $helperset->get('fake_helper_alias'), '__construct sets given helper to helpers');
$this->assertTrue($helperset->has('fake_helper_alias'), '__construct sets helper alias for given helper');
}
/**
* @covers \Symfony\Component\Console\Helper\HelperSet::set
*/
public function testSet()
{
$helperset = new HelperSet();
$helperset->set($this->getGenericMockHelper('fake_helper', $helperset));
$this->assertTrue($helperset->has('fake_helper'), '->set() adds helper to helpers');
$helperset = new HelperSet();
$helperset->set($this->getGenericMockHelper('fake_helper_01', $helperset));
$helperset->set($this->getGenericMockHelper('fake_helper_02', $helperset));
$this->assertTrue($helperset->has('fake_helper_01'), '->set() will set multiple helpers on consecutive calls');
$this->assertTrue($helperset->has('fake_helper_02'), '->set() will set multiple helpers on consecutive calls');
$helperset = new HelperSet();
$helperset->set($this->getGenericMockHelper('fake_helper', $helperset), 'fake_helper_alias');
$this->assertTrue($helperset->has('fake_helper'), '->set() adds helper alias when set');
$this->assertTrue($helperset->has('fake_helper_alias'), '->set() adds helper alias when set');
}
/**
* @covers \Symfony\Component\Console\Helper\HelperSet::has
*/
public function testHas()
{
$helperset = new HelperSet(array('fake_helper_alias' => $this->getGenericMockHelper('fake_helper')));
$this->assertTrue($helperset->has('fake_helper'), '->has() finds set helper');
$this->assertTrue($helperset->has('fake_helper_alias'), '->has() finds set helper by alias');
}
/**
* @covers \Symfony\Component\Console\Helper\HelperSet::get
*/
public function testGet()
{
$helper_01 = $this->getGenericMockHelper('fake_helper_01');
$helper_02 = $this->getGenericMockHelper('fake_helper_02');
$helperset = new HelperSet(array('fake_helper_01_alias' => $helper_01, 'fake_helper_02_alias' => $helper_02));
$this->assertEquals($helper_01, $helperset->get('fake_helper_01'), '->get() returns correct helper by name');
$this->assertEquals($helper_01, $helperset->get('fake_helper_01_alias'), '->get() returns correct helper by alias');
$this->assertEquals($helper_02, $helperset->get('fake_helper_02'), '->get() returns correct helper by name');
$this->assertEquals($helper_02, $helperset->get('fake_helper_02_alias'), '->get() returns correct helper by alias');
$helperset = new HelperSet();
try {
$helperset->get('foo');
$this->fail('->get() throws \InvalidArgumentException when helper not found');
} catch (\Exception $e) {
$this->assertInstanceOf('\InvalidArgumentException', $e, '->get() throws \InvalidArgumentException when helper not found');
$this->assertContains('The helper "foo" is not defined.', $e->getMessage(), '->get() throws \InvalidArgumentException when helper not found');
}
}
/**
* @covers \Symfony\Component\Console\Helper\HelperSet::setCommand
*/
public function testSetCommand()
{
$cmd_01 = new Command('foo');
$cmd_02 = new Command('bar');
$helperset = new HelperSet();
$helperset->setCommand($cmd_01);
$this->assertEquals($cmd_01, $helperset->getCommand(), '->setCommand() stores given command');
$helperset = new HelperSet();
$helperset->setCommand($cmd_01);
$helperset->setCommand($cmd_02);
$this->assertEquals($cmd_02, $helperset->getCommand(), '->setCommand() overwrites stored command with consecutive calls');
}
/**
* @covers \Symfony\Component\Console\Helper\HelperSet::getCommand
*/
public function testGetCommand()
{
$cmd = new Command('foo');
$helperset = new HelperSet();
$helperset->setCommand($cmd);
$this->assertEquals($cmd, $helperset->getCommand(), '->getCommand() retrieves stored command');
}
/**
* @covers \Symfony\Component\Console\Helper\HelperSet::getIterator
*/
public function testIteration()
{
$helperset = new HelperSet();
$helperset->set($this->getGenericMockHelper('fake_helper_01', $helperset));
$helperset->set($this->getGenericMockHelper('fake_helper_02', $helperset));
$helpers = array('fake_helper_01', 'fake_helper_02');
$i = 0;
foreach ($helperset as $helper) {
$this->assertEquals($helpers[$i++], $helper->getName());
}
}
/**
* Create a generic mock for the helper interface. Optionally check for a call to setHelperSet with a specific
* helperset instance.
*
* @param string $name
* @param HelperSet $helperset allows a mock to verify a particular helperset set is being added to the Helper
*/
private function getGenericMockHelper($name, HelperSet $helperset = null)
{
$mock_helper = $this->getMock('\Symfony\Component\Console\Helper\HelperInterface');
$mock_helper->expects($this->any())
->method('getName')
->will($this->returnValue($name));
if ($helperset) {
$mock_helper->expects($this->any())
->method('setHelperSet')
->with($this->equalTo($helperset));
}
return $mock_helper;
}
}