--- /dev/null
+<?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\HttpKernel\Tests\Config;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\HttpKernel\Config\EnvParametersResource;
+
+class EnvParametersResourceTest extends TestCase
+{
+ protected $prefix = '__DUMMY_';
+ protected $initialEnv;
+ protected $resource;
+
+ protected function setUp()
+ {
+ $this->initialEnv = array(
+ $this->prefix.'1' => 'foo',
+ $this->prefix.'2' => 'bar',
+ );
+
+ foreach ($this->initialEnv as $key => $value) {
+ $_SERVER[$key] = $value;
+ }
+
+ $this->resource = new EnvParametersResource($this->prefix);
+ }
+
+ protected function tearDown()
+ {
+ foreach ($_SERVER as $key => $value) {
+ if (0 === strpos($key, $this->prefix)) {
+ unset($_SERVER[$key]);
+ }
+ }
+ }
+
+ public function testGetResource()
+ {
+ $this->assertSame(
+ array('prefix' => $this->prefix, 'variables' => $this->initialEnv),
+ $this->resource->getResource(),
+ '->getResource() returns the resource'
+ );
+ }
+
+ public function testToString()
+ {
+ $this->assertSame(
+ serialize(array('prefix' => $this->prefix, 'variables' => $this->initialEnv)),
+ (string) $this->resource
+ );
+ }
+
+ public function testIsFreshNotChanged()
+ {
+ $this->assertTrue(
+ $this->resource->isFresh(time()),
+ '->isFresh() returns true if the variables have not changed'
+ );
+ }
+
+ public function testIsFreshValueChanged()
+ {
+ reset($this->initialEnv);
+ $_SERVER[key($this->initialEnv)] = 'baz';
+
+ $this->assertFalse(
+ $this->resource->isFresh(time()),
+ '->isFresh() returns false if a variable has been changed'
+ );
+ }
+
+ public function testIsFreshValueRemoved()
+ {
+ reset($this->initialEnv);
+ unset($_SERVER[key($this->initialEnv)]);
+
+ $this->assertFalse(
+ $this->resource->isFresh(time()),
+ '->isFresh() returns false if a variable has been removed'
+ );
+ }
+
+ public function testIsFreshValueAdded()
+ {
+ $_SERVER[$this->prefix.'3'] = 'foo';
+
+ $this->assertFalse(
+ $this->resource->isFresh(time()),
+ '->isFresh() returns false if a variable has been added'
+ );
+ }
+
+ public function testSerializeUnserialize()
+ {
+ $this->assertEquals($this->resource, unserialize(serialize($this->resource)));
+ }
+}