diff --git a/src/Blade.php b/src/Blade.php
index 6fb75f4..00f87e9 100644
--- a/src/Blade.php
+++ b/src/Blade.php
@@ -4,10 +4,12 @@
 
 use Illuminate\Container\Container;
 use Illuminate\Contracts\Container\Container as ContainerInterface;
+use Illuminate\Contracts\Foundation\Application;
 use Illuminate\Contracts\View\Factory as FactoryContract;
 use Illuminate\Contracts\View\View;
 use Illuminate\Events\Dispatcher;
 use Illuminate\Filesystem\Filesystem;
+use Illuminate\Support\Facades\Facade;
 use Illuminate\View\Compilers\BladeCompiler;
 use Illuminate\View\Factory;
 use Illuminate\View\ViewServiceProvider;
@@ -15,7 +17,7 @@
 class Blade implements FactoryContract
 {
     /**
-     * @var Container
+     * @var Application
      */
     protected $container;
 
@@ -59,6 +61,11 @@ public function directive(string $name, callable $handler)
     {
         $this->compiler->directive($name, $handler);
     }
+    
+    public function if($name, callable $callback)
+    {
+        $this->compiler->if($name, $callback);
+    }
 
     public function exists($view): bool
     {
@@ -120,5 +127,7 @@ protected function setupContainer(array $viewPaths, string $cachePath)
                 'view.compiled' => $cachePath,
             ];
         }, true);
+        
+        Facade::setFacadeApplication($this->container);
     }
 }
diff --git a/tests/BladeTest.php b/tests/BladeTest.php
index 946f512..a8f7e27 100644
--- a/tests/BladeTest.php
+++ b/tests/BladeTest.php
@@ -1,5 +1,9 @@
 <?php
 
+use Illuminate\View\Factory;
+use Illuminate\View\View;
+use Illuminate\View\Compilers\BladeCompiler;
+use Illuminate\View\ViewFinderInterface;
 use Jenssegers\Blade\Blade;
 use PHPUnit\Framework\TestCase;
 
@@ -17,6 +21,15 @@ public function setUp()
         $this->blade->directive('datetime', function ($expression) {
             return "<?php echo with({$expression})->format('F d, Y g:i a'); ?>";
         });
+
+        $this->blade->if('ifdate', function ($date) {
+            return $date instanceof DateTime;
+        });
+    }
+
+    public function testCompilerGetter()
+    {
+        $this->assertInstanceOf(BladeCompiler::class, $this->blade->compiler());
     }
 
     public function testBasic()
@@ -25,6 +38,11 @@ public function testBasic()
         $this->assertEquals('hello world', trim($output));
     }
 
+    public function testExists()
+    {
+        $this->assertFalse($this->blade->exists('nonexistentview'));
+    }
+
     public function testVariables()
     {
         $output = $this->blade->make('variables', ['name' => 'John Doe']);
@@ -34,12 +52,49 @@ public function testVariables()
     public function testNonBlade()
     {
         $output = $this->blade->make('plain');
-        $this->assertEquals('this is plain php', trim($output));
+        $this->assertEquals('{{ this is plain php }}', trim($output));
+    }
+
+    public function testFile()
+    {
+        $output = $this->blade->file('tests/views/basic.blade.php');
+        $this->assertEquals('hello world', trim($output));
+    }
+
+    public function testShare()
+    {
+        $this->blade->share('name', 'John Doe');
+
+        $output = $this->blade->make('variables');
+        $this->assertEquals('hello John Doe', trim($output));
+    }
+
+    public function testComposer()
+    {
+        $this->blade->composer('variables', function (View $view) {
+            $view->with('name', 'John Doe and ' . $view->offsetGet('name'));
+        });
+
+        $output = $this->blade->make('variables', ['name' => 'Jane Doe']);
+        $this->assertEquals('hello John Doe and Jane Doe', trim($output));
+    }
+
+    public function testCreator()
+    {
+        $this->blade->creator('variables', function (View $view) {
+            $view->with('name', 'John Doe');
+        });
+        $this->blade->composer('variables', function (View $view) {
+            $view->with('name', 'Jane Doe and ' . $view->offsetGet('name'));
+        });
+
+        $output = $this->blade->make('variables');
+        $this->assertEquals('hello Jane Doe and John Doe', trim($output));
     }
 
     public function testRenderAlias()
     {
-        $output = $this->blade->make('basic');
+        $output = $this->blade->render('basic');
         $this->assertEquals('hello world', trim($output));
     }
 
@@ -49,6 +104,37 @@ public function testDirective()
         $this->assertEquals('Your birthday is August 19, 1989 12:00 am', trim($output));
     }
 
+    public function testIf()
+    {
+        $output = $this->blade->make('if', ['birthday' => new DateTime('1989/08/19')]);
+        $this->assertEquals('Birthday August 19, 1989 12:00 am detected', trim($output));
+    }
+
+    public function testAddNamespace()
+    {
+        $this->blade->addNamespace('other', 'tests/views/other');
+
+        $output = $this->blade->make('other::basic');
+        $this->assertEquals('hello other world', trim($output));
+    }
+
+    public function testReplaceNamespace()
+    {
+        $this->blade->addNamespace('other', 'tests/views/other');
+        $this->blade->replaceNamespace('other', 'tests/views/another');
+
+        $output = $this->blade->make('other::basic');
+        $this->assertEquals('hello another world', trim($output));
+    }
+
+    public function testViewGetter()
+    {
+        /** @var Factory $view */
+        $view = $this->blade;
+
+        $this->assertInstanceOf(ViewFinderInterface::class, $view->getFinder());
+    }
+
     public function testOther()
     {
         $users = [
@@ -75,31 +161,20 @@ public function testOther()
             'authenticated' => false,
         ]);
 
-        $this->write($output, 'other');
-
         $this->assertEquals($output, $this->expected('other'));
     }
 
-    public function testExtends()
-    {
-        $output = $this->blade->make('extends');
-
-        $this->write($output, 'extends');
-
-        $this->assertEquals($output, $this->expected('extends'));
-    }
-
-    private function write(string $output, string $file)
+    private function expected(string $file): string
     {
         $file_path = __DIR__ . '/expected/' . $file . '.html';
 
-        file_put_contents($file_path, $output);
+        return file_get_contents($file_path);
     }
 
-    private function expected(string $file): string
+    public function testExtends()
     {
-        $file_path = __DIR__ . '/expected/' . $file . '.html';
+        $output = $this->blade->make('extends');
 
-        return file_get_contents($file_path);
+        $this->assertEquals($output, $this->expected('extends'));
     }
 }
diff --git a/tests/views/another/basic.blade.php b/tests/views/another/basic.blade.php
new file mode 100644
index 0000000..b95610a
--- /dev/null
+++ b/tests/views/another/basic.blade.php
@@ -0,0 +1 @@
+hello another world
diff --git a/tests/views/if.blade.php b/tests/views/if.blade.php
new file mode 100644
index 0000000..e63304c
--- /dev/null
+++ b/tests/views/if.blade.php
@@ -0,0 +1,3 @@
+@ifdate($birthday)
+Birthday {{ $birthday->format('F d, Y g:i a') }} detected
+@endifdate
\ No newline at end of file
diff --git a/tests/views/other/basic.blade.php b/tests/views/other/basic.blade.php
new file mode 100644
index 0000000..8b0ca7c
--- /dev/null
+++ b/tests/views/other/basic.blade.php
@@ -0,0 +1 @@
+hello other world
\ No newline at end of file
diff --git a/tests/views/plain.php b/tests/views/plain.php
index ff3b69f..7fb4e6d 100644
--- a/tests/views/plain.php
+++ b/tests/views/plain.php
@@ -1 +1 @@
-this is plain php
+{{ this is plain <?php echo 'php'; ?> }}