Autoloading class in autoloader.php to track code coverage

CHANGELOG.md

@@ -9,7 +9,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 
 ## master
 ### Added
-- Autoloading without Composer. Thanks @a-sync
+- Autoloading without Composer. Thanks @a-sync.
 
 <br>
 

README.md

@@ -554,7 +554,7 @@ composer require halaxa/json-machine
 ### Without Composer
 Clone or download this repository and add the following to your bootstrap file:
 ```php
-spl_autoload_register(require '/path/to/json-machine/autoloader.php');
+spl_autoload_register(require '/path/to/json-machine/src/autoloader.php');
 ```
 
 <a name="development"></a>

autoloader.php

@@ -1,44 +0,0 @@
-<?php
-
-declare(strict_types=1);
-/**
- * A simple PSR-4 spec auto loader to allow json-machine to function the same as if it were loaded via Composer.
- *
- * To use this just include this file in your script and the JsonMachine namespace will be made available
- *
- * Usage: spl_autoload_register(require '/path/to/json-machine/autoloader.php');
- *
- * See: https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-4-autoloader-examples.md
- *
- * @param string $class the fully-qualified class name
- *
- * @return void
- */
-
-return function ($class) {
-    // project-specific namespace prefix
-    $prefix = 'JsonMachine\\';
-
-    // base directory for the namespace prefix
-    $base_dir = __DIR__.DIRECTORY_SEPARATOR.'src'.DIRECTORY_SEPARATOR;
-
-    // does the class use the namespace prefix?
-    $len = strlen($prefix);
-    if (strncmp($prefix, $class, $len) !== 0) {
-        // no, move to the next registered autoloader
-        return;
-    }
-
-    // get the relative class name
-    $relative_class = substr($class, $len);
-
-    // replace the namespace prefix with the base directory, replace namespace
-    // separators with directory separators in the relative class name, append
-    // with .php
-    $file = $base_dir.str_replace('\\', '/', $relative_class).'.php';
-
-    // if the file exists, require it
-    if (file_exists($file)) {
-        require $file;
-    }
-};

src/autoloader.php

@@ -0,0 +1,52 @@
+<?php
+
+declare(strict_types=1);
+
+namespace JsonMachine;
+
+/**
+ * A simple PSR-4 spec auto loader to allow json-machine to function the same as if it were loaded via Composer.
+ *
+ * To use this just include this file in your script and the JsonMachine namespace will be made available
+ *
+ * Usage: spl_autoload_register(require '/path/to/json-machine/src/autoloader.php');
+ *
+ * See: https://github.com/php-fig/fig-standards/blob/master/accepted/PSR-4-autoloader-examples.md
+ *
+ * @param string $class the fully-qualified class name
+ *
+ * @return void
+ */
+class Autoloading
+{
+    static public function autoloader($class)
+    {
+        // project-specific namespace prefix
+        $prefix = 'JsonMachine\\';
+
+        // base directory for the namespace prefix
+        $base_dir = __DIR__ . DIRECTORY_SEPARATOR . DIRECTORY_SEPARATOR;
+
+        // does the class use the namespace prefix?
+        $len = strlen($prefix);
+        if (strncmp($prefix, $class, $len) !== 0) {
+            // no, move to the next registered autoloader
+            return;
+        }
+
+        // get the relative class name
+        $relative_class = substr($class, $len);
+
+        // replace the namespace prefix with the base directory, replace namespace
+        // separators with directory separators in the relative class name, append
+        // with .php
+        $file = $base_dir . str_replace('\\', '/', $relative_class) . '.php';
+
+        // if the file exists, require it
+        if (file_exists($file)) {
+            require $file;
+        }
+    }
+}
+
+return [Autoloading::class, 'autoloader'];

test/JsonMachineTest/AutoloadingTest.php

@@ -5,16 +5,19 @@ declare(strict_types=1);
 namespace JsonMachineTest;
 
 /**
- * @coversNothing
+ * @covers \JsonMachine\Autoloading
  */
-class autoloaderTest extends \PHPUnit_Framework_TestCase
+class AutoloadingTest extends \PHPUnit_Framework_TestCase
 {
     public function testAutoloaderLoadsClass()
     {
         $dummyFile = $this->createAutoloadableClass();
+        register_shutdown_function(function () use ($dummyFile) {
+            @unlink($dummyFile);
+        });
 
         $autoloadersBackup = $this->unregisterCurrentAutoloaders();
-        $autoloader = require __DIR__.'/../../autoloader.php';
+        $autoloader = require __DIR__ . '/../../src/autoloader.php';
 
         spl_autoload_register($autoloader);
         $autoloaded = class_exists('JsonMachine\\AutoloadStub');
@@ -23,8 +26,6 @@ class autoloaderTest extends \PHPUnit_Framework_TestCase
         $this->registerPreviousAutoloaders($autoloadersBackup);
 
         $this->assertTrue($autoloaded);
-
-        @unlink($dummyFile);
     }
 
     private function createAutoloadableClass(): string