Switch to in memory cache (#8)

.gitignore

@@ -2,4 +2,3 @@ build
 composer.lock
 docs
 vendor
-.phpunit-watcher-cache.php

README.md

@@ -49,8 +49,6 @@ composer require spatie/phpunit-watcher --dev
 
 Locally installed you can run it with `vendor/bin/phpunit-watcher watch`
 
-For performance reasons the package will create a `.phpunit-watcher.cache.php` inside the directory where it is run. You should add an entry for that file in your [global gitignore](https://murze.be/2014/12/create-a-global-gitignore/).
-
 
 ## Usage
 

src/Watcher.php

@@ -5,29 +5,19 @@
 use Symfony\Component\Finder\Finder;
 use Symfony\Component\Process\Process;
 use Yosymfony\ResourceWatcher\ResourceWatcher;
-use Yosymfony\ResourceWatcher\ResourceCacheFile;
+use Yosymfony\ResourceWatcher\ResourceCacheMemory;
 
 class Watcher
 {
     /** @var \Symfony\Component\Finder\Finder */
     protected $finder;
 
-    /** @var string */
-    protected $pathToCacheFile;
-
     /** @var $string */
     protected $phpunitArguments;
 
     public function __construct(Finder $finder)
     {
         $this->finder = $finder;
-
-        $this->pathToCacheFile = '.phpunit-watcher-cache.php';
-    }
-
-    public function useCacheFile(string $pathToCacheFile)
-    {
-        $this->pathToCacheFile = $pathToCacheFile;
     }
 
     public function usePhpunitArguments(string $arguments)
@@ -41,11 +31,7 @@ public function startWatching()
     {
         $this->runTests();
 
-        $cache = new ResourceCacheFile(
-            $this->pathToCacheFile
-        );
-
-        $watcher = new ResourceWatcher($cache);
+        $watcher = new ResourceWatcher(new ResourceCacheMemory());
 
         $watcher->setFinder($this->finder);
 

src/WatcherFactory.php

@@ -17,11 +17,7 @@ public static function create(array $options = []): array
             ->files()
             ->in($options['watch']['directories']);
 
-        $watcher = (new Watcher($finder));
-
-        if (isset($options['cache'])) {
-            $watcher->useCacheFile($options['cache']);
-        }
+        $watcher = new Watcher($finder);
 
         if (isset($options['phpunitArguments'])) {
             $watcher->usePhpunitArguments($options['phpunitArguments']);
@@ -40,7 +36,6 @@ protected static function mergeWithDefaultOptions(array $options): array
                 ],
                 'fileMask' => '*.php',
             ],
-            'cache' => '.phpunit-watcher-cache.php',
         ], $options);
 
         foreach ($options['watch']['directories'] as $index => $directory) {