Add tests for EnvVarProcessor

mcfedr · mcfedr · commit fdee1507cdc8 · 2018-03-15T13:28:51.000+02:00
diff --git a/src/Symfony/Component/DependencyInjection/Tests/EnvVarProcessorTest.php b/src/Symfony/Component/DependencyInjection/Tests/EnvVarProcessorTest.php
@@ -0,0 +1,195 @@
+<?php
+
+namespace Symfony\Component\DependencyInjection\Tests;
+
+use PHPUnit\Framework\TestCase;
+use Symfony\Component\DependencyInjection\Container;
+use Symfony\Component\DependencyInjection\ContainerBuilder;
+use Symfony\Component\DependencyInjection\EnvVarProcessor;
+use Symfony\Component\DependencyInjection\Exception\LogicException;
+
+class EnvVarProcessorTest extends TestCase
+{
+    const TEST_CONST = 'test';
+
+    public function testGetEnvString()
+    {
+        $container = new ContainerBuilder();
+        $container->setParameter('env(foo)', 'hello');
+        $container->compile();
+
+        $processor = new EnvVarProcessor($container);
+
+        $result = $processor->getEnv('string', 'foo', function () {
+            throw new LogicException('Shouldnt be called');
+        });
+
+        $this->assertSame('hello', $result);
+    }
+
+    public function testGetEnvBool()
+    {
+        $processor = new EnvVarProcessor(new Container());
+
+        $result = $processor->getEnv('bool', 'foo', function ($name) {
+            $this->assertSame('foo', $name);
+
+            return '1';
+        });
+
+        $this->assertTrue($result);
+    }
+
+    public function testGetEnvInt()
+    {
+        $processor = new EnvVarProcessor(new Container());
+
+        $result = $processor->getEnv('int', 'foo', function ($name) {
+            $this->assertSame('foo', $name);
+
+            return '1';
+        });
+
+        $this->assertSame(1, $result);
+    }
+
+    /**
+     * @expectedException \Symfony\Component\DependencyInjection\Exception\RuntimeException
+     * @expectedExceptionMessage Non-numeric env var
+     */
+    public function testGetEnvIntInvalid()
+    {
+        $processor = new EnvVarProcessor(new Container());
+
+        $processor->getEnv('int', 'foo', function ($name) {
+            $this->assertSame('foo', $name);
+
+            return 'bar';
+        });
+    }
+
+    public function testGetEnvFloat()
+    {
+        $processor = new EnvVarProcessor(new Container());
+
+        $result = $processor->getEnv('float', 'foo', function ($name) {
+            $this->assertSame('foo', $name);
+
+            return '1.1';
+        });
+
+        $this->assertSame(1.1, $result);
+    }
+
+    /**
+     * @expectedException \Symfony\Component\DependencyInjection\Exception\RuntimeException
+     * @expectedExceptionMessage Non-numeric env var
+     */
+    public function testGetEnvFloatInvalid()
+    {
+        $processor = new EnvVarProcessor(new Container());
+
+        $processor->getEnv('float', 'foo', function ($name) {
+            $this->assertSame('foo', $name);
+
+            return 'bar';
+        });
+    }
+
+    public function testGetEnvConst()
+    {
+        $processor = new EnvVarProcessor(new Container());
+
+        $result = $processor->getEnv('const', 'foo', function ($name) {
+            $this->assertSame('foo', $name);
+
+            return 'Symfony\Component\DependencyInjection\Tests\EnvVarProcessorTest::TEST_CONST';
+        });
+
+        $this->assertSame(self::TEST_CONST, $result);
+    }
+
+    /**
+     * @expectedException \Symfony\Component\DependencyInjection\Exception\RuntimeException
+     * @expectedExceptionMessage undefined constant
+     */
+    public function testGetEnvConstInvalid()
+    {
+        $processor = new EnvVarProcessor(new Container());
+
+        $processor->getEnv('const', 'foo', function ($name) {
+            $this->assertSame('foo', $name);
+
+            return 'Symfony\Component\DependencyInjection\Tests\EnvVarProcessorTest::TEST_CONST_OTHER';
+        });
+    }
+
+    public function testGetEnvBase64()
+    {
+        $processor = new EnvVarProcessor(new Container());
+
+        $result = $processor->getEnv('base64', 'foo', function ($name) {
+            $this->assertSame('foo', $name);
+
+            return base64_encode('hello');
+        });
+
+        $this->assertSame('hello', $result);
+    }
+
+    public function testGetEnvJson()
+    {
+        $processor = new EnvVarProcessor(new Container());
+
+        $result = $processor->getEnv('json', 'foo', function ($name) {
+            $this->assertSame('foo', $name);
+
+            return json_encode(array(1));
+        });
+
+        $this->assertSame(array(1), $result);
+    }
+
+    public function testGetEnvJsonNull()
+    {
+        $processor = new EnvVarProcessor(new Container());
+
+        $result = $processor->getEnv('json', 'foo', function ($name) {
+            $this->assertSame('foo', $name);
+
+            return json_encode(null);
+        });
+
+        $this->assertNull($result);
+    }
+
+    /**
+     * @expectedException \Symfony\Component\DependencyInjection\Exception\RuntimeException
+     * @expectedExceptionMessage Invalid JSON env var
+     */
+    public function testGetEnvJsonOther()
+    {
+        $processor = new EnvVarProcessor(new Container());
+
+        $processor->getEnv('json', 'foo', function ($name) {
+            $this->assertSame('foo', $name);
+
+            return json_encode(1);
+        });
+    }
+
+    /**
+     * @expectedException \Symfony\Component\DependencyInjection\Exception\RuntimeException
+     * @expectedExceptionMessage Unsupported env var prefix
+     */
+    public function testGetEnvUnknown()
+    {
+        $processor = new EnvVarProcessor(new Container());
+
+        $processor->getEnv('unknown', 'foo', function ($name) {
+            $this->assertSame('foo', $name);
+
+            return 'foo';
+        });
+    }
+}
