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taylorotwelltaylorotwell
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Merge branch 'master' of github.com:laravel/framework
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‎tests/Container/ContainerExtendTest.php‎

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<?php
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namespace Illuminate\Tests\Container;
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use stdClass;
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use PHPUnit\Framework\TestCase;
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use Illuminate\Container\Container;
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class ContainerExtendTest extends TestCase
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{
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public function testExtendedBindings()
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{
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$container = new Container;
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$container['foo'] = 'foo';
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$container->extend('foo', function ($old, $container) {
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return $old.'bar';
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});
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$this->assertEquals('foobar', $container->make('foo'));
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$container = new Container;
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$container->singleton('foo', function () {
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return (object) ['name' => 'taylor'];
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});
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$container->extend('foo', function ($old, $container) {
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$old->age = 26;
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return $old;
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});
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$result = $container->make('foo');
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$this->assertEquals('taylor', $result->name);
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$this->assertEquals(26, $result->age);
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$this->assertSame($result, $container->make('foo'));
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}
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public function testExtendInstancesArePreserved()
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{
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$container = new Container;
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$container->bind('foo', function () {
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$obj = new stdClass;
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$obj->foo = 'bar';
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return $obj;
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});
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$obj = new stdClass;
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$obj->foo = 'foo';
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$container->instance('foo', $obj);
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$container->extend('foo', function ($obj, $container) {
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$obj->bar = 'baz';
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return $obj;
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});
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$container->extend('foo', function ($obj, $container) {
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$obj->baz = 'foo';
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return $obj;
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});
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$this->assertEquals('foo', $container->make('foo')->foo);
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$this->assertEquals('baz', $container->make('foo')->bar);
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$this->assertEquals('foo', $container->make('foo')->baz);
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}
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public function testExtendIsLazyInitialized()
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{
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ContainerLazyExtendStub::$initialized = false;
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$container = new Container;
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$container->bind(ContainerLazyExtendStub::class);
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$container->extend(ContainerLazyExtendStub::class, function ($obj, $container) {
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$obj->init();
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return $obj;
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});
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$this->assertFalse(ContainerLazyExtendStub::$initialized);
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$container->make(ContainerLazyExtendStub::class);
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$this->assertTrue(ContainerLazyExtendStub::$initialized);
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}
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public function testExtendCanBeCalledBeforeBind()
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{
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$container = new Container;
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$container->extend('foo', function ($old, $container) {
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return $old.'bar';
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});
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$container['foo'] = 'foo';
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$this->assertEquals('foobar', $container->make('foo'));
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}
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public function testExtendInstanceRebindingCallback()
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{
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$_SERVER['_test_rebind'] = false;
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$container = new Container;
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$container->rebinding('foo', function () {
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$_SERVER['_test_rebind'] = true;
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});
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$obj = new stdClass;
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$container->instance('foo', $obj);
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$container->extend('foo', function ($obj, $container) {
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return $obj;
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});
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$this->assertTrue($_SERVER['_test_rebind']);
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}
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public function testExtendBindRebindingCallback()
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{
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$_SERVER['_test_rebind'] = false;
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$container = new Container;
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$container->rebinding('foo', function () {
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$_SERVER['_test_rebind'] = true;
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});
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$container->bind('foo', function () {
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return new stdClass;
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});
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$this->assertFalse($_SERVER['_test_rebind']);
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$container->make('foo');
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$container->extend('foo', function ($obj, $container) {
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return $obj;
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});
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$this->assertTrue($_SERVER['_test_rebind']);
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}
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public function testExtensionWorksOnAliasedBindings()
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{
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$container = new Container;
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$container->singleton('something', function () {
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return 'some value';
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});
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$container->alias('something', 'something-alias');
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$container->extend('something-alias', function ($value) {
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return $value.' extended';
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});
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$this->assertEquals('some value extended', $container->make('something'));
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}
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public function testMultipleExtends()
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{
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$container = new Container;
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$container['foo'] = 'foo';
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$container->extend('foo', function ($old, $container) {
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return $old.'bar';
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});
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$container->extend('foo', function ($old, $container) {
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return $old.'baz';
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});
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$this->assertEquals('foobarbaz', $container->make('foo'));
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}
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public function testUnsetExtend()
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{
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$container = new Container;
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$container->bind('foo', function () {
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$obj = new stdClass;
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$obj->foo = 'bar';
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return $obj;
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});
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$container->extend('foo', function ($obj, $container) {
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$obj->bar = 'baz';
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return $obj;
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});
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unset($container['foo']);
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$container->forgetExtenders('foo');
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$container->bind('foo', function () {
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return 'foo';
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});
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$this->assertEquals('foo', $container->make('foo'));
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}
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}
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class ContainerLazyExtendStub
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{
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public static $initialized = false;
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public function init()
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{
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static::$initialized = true;
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}
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}

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