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Commit 9b40b4a

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ogizanagiogizanagi
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[Console] Add a factory command loader for standalone application with lazy-loading needs
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‎src/Symfony/Component/Console/CHANGELOG.md

Copy file name to clipboardExpand all lines: src/Symfony/Component/Console/CHANGELOG.md
+2-1Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -4,7 +4,8 @@ CHANGELOG
44
3.4.0
55
-----
66

7-
* added `CommandLoaderInterface` and PSR-11 `ContainerCommandLoader`
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* added `CommandLoaderInterface`, `FactoryCommandLoader` and PSR-11
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`ContainerCommandLoader` for commands lazy-loading
89

910
3.3.0
1011
-----

‎src/Symfony/Component/Console/CommandLoader/FactoryCommandLoader.php

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+62Lines changed: 62 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,62 @@
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<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Console\CommandLoader;
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use Symfony\Component\Console\Exception\CommandNotFoundException;
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/**
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* A simple command loader using factories to instantiate commands lazily.
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*
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* @author Maxime Steinhausser <maxime.steinhausser@gmail.com>
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*/
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class FactoryCommandLoader implements CommandLoaderInterface
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{
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private $factories;
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/**
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* @param callable[] $factories Indexed by command names
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*/
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public function __construct(array $factories)
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{
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$this->factories = $factories;
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}
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/**
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* {@inheritdoc}
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*/
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public function has($name)
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{
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return isset($this->factories[$name]);
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}
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/**
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* {@inheritdoc}
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*/
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public function get($name)
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{
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if (!isset($this->factories[$name])) {
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throw new CommandNotFoundException(sprintf('Command "%s" does not exist.', $name));
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}
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$factory = $this->factories[$name];
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return $factory();
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}
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/**
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* {@inheritdoc}
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*/
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public function getNames()
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{
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return array_keys($this->factories);
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}
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}

‎src/Symfony/Component/Console/Tests/ApplicationTest.php

Copy file name to clipboardExpand all lines: src/Symfony/Component/Console/Tests/ApplicationTest.php
+10-12Lines changed: 10 additions & 12 deletions
Original file line numberDiff line numberDiff line change
@@ -14,7 +14,7 @@
1414
use PHPUnit\Framework\TestCase;
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use Symfony\Component\Console\Application;
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use Symfony\Component\Console\Command\Command;
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use Symfony\Component\Console\CommandLoader\ContainerCommandLoader;
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use Symfony\Component\Console\CommandLoader\FactoryCommandLoader;
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use Symfony\Component\Console\DependencyInjection\AddConsoleCommandPass;
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use Symfony\Component\Console\Helper\HelperSet;
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use Symfony\Component\Console\Helper\FormatterHelper;
@@ -35,7 +35,6 @@
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use Symfony\Component\Console\Event\ConsoleTerminateEvent;
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use Symfony\Component\Console\Exception\CommandNotFoundException;
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use Symfony\Component\DependencyInjection\ContainerBuilder;
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use Symfony\Component\DependencyInjection\ServiceLocator;
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use Symfony\Component\EventDispatcher\EventDispatcher;
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class ApplicationTest extends TestCase
@@ -129,10 +128,9 @@ public function testAllWithCommandLoader()
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$commands = $application->all('foo');
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$this->assertCount(1, $commands, '->all() takes a namespace as its first argument');
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$application->setCommandLoader(new ContainerCommandLoader(
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new ServiceLocator(array('foo-bar' => function () { return new \Foo1Command(); })),
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array('foo:bar1' => 'foo-bar')
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));
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$application->setCommandLoader(new FactoryCommandLoader(array(
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'foo:bar1' => function () { return new \Foo1Command(); },
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)));
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$commands = $application->all('foo');
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$this->assertCount(2, $commands, '->all() takes a namespace as its first argument');
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$this->assertInstanceOf(\FooCommand::class, $commands['foo:bar'], '->all() returns the registered commands');
@@ -202,9 +200,9 @@ public function testHasGetWithCommandLoader()
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$this->assertEquals($foo, $application->get('foo:bar'), '->get() returns a command by name');
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$this->assertEquals($foo, $application->get('afoobar'), '->get() returns a command by alias');
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$application->setCommandLoader(new ContainerCommandLoader(new ServiceLocator(array(
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'foo-bar' => function () { return new \Foo1Command(); },
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)), array('foo:bar1' => 'foo-bar', 'afoobar1' => 'foo-bar')));
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$application->setCommandLoader(new FactoryCommandLoader(array(
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'foo:bar1' => function () { return new \Foo1Command(); },
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)));
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$this->assertTrue($application->has('afoobar'), '->has() returns true if an instance is registered for an alias even with command loader');
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$this->assertEquals($foo, $application->get('foo:bar'), '->get() returns an instance by name even with command loader');
@@ -321,9 +319,9 @@ public function testFind()
321319
public function testFindWithCommandLoader()
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{
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$application = new Application();
324-
$application->setCommandLoader(new ContainerCommandLoader(new ServiceLocator(array(
325-
'foo-bar' => $f = function () { return new \FooCommand(); },
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)), array('foo:bar' => 'foo-bar')));
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$application->setCommandLoader(new FactoryCommandLoader(array(
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'foo:bar' => $f = function () { return new \FooCommand(); },
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)));
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$this->assertInstanceOf('FooCommand', $application->find('foo:bar'), '->find() returns a command if its name exists');
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$this->assertInstanceOf('Symfony\Component\Console\Command\HelpCommand', $application->find('h'), '->find() returns a command if its name exists');

‎src/Symfony/Component/Console/Tests/CommandLoader/FactoryCommandLoaderTest.php

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+60Lines changed: 60 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,60 @@
1+
<?php
2+
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\Console\Tests\CommandLoader;
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use PHPUnit\Framework\TestCase;
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use Symfony\Component\Console\Command\Command;
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use Symfony\Component\Console\CommandLoader\FactoryCommandLoader;
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class FactoryCommandLoaderTest extends TestCase
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{
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public function testHas()
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{
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$loader = new FactoryCommandLoader(array(
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'foo' => function () { return new Command('foo'); },
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'bar' => function () { return new Command('bar'); },
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));
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$this->assertTrue($loader->has('foo'));
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$this->assertTrue($loader->has('bar'));
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$this->assertFalse($loader->has('baz'));
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}
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public function testGet()
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{
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$loader = new FactoryCommandLoader(array(
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'foo' => function () { return new Command('foo'); },
36+
'bar' => function () { return new Command('bar'); },
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));
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$this->assertInstanceOf(Command::class, $loader->get('foo'));
40+
$this->assertInstanceOf(Command::class, $loader->get('bar'));
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}
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/**
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* @expectedException \Symfony\Component\Console\Exception\CommandNotFoundException
45+
*/
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public function testGetUnknownCommandThrows()
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{
48+
(new FactoryCommandLoader(array()))->get('unknown');
49+
}
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public function testGetCommandNames()
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{
53+
$loader = new FactoryCommandLoader(array(
54+
'foo' => function () { return new Command('foo'); },
55+
'bar' => function () { return new Command('bar'); },
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));
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$this->assertSame(array('foo', 'bar'), $loader->getNames());
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}
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}

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