Test if file exists before calling getContents #11

Author: WyriHaximus

src/Filesystem.php

@@ -113,7 +113,10 @@ public function constructLink($path)
      */
     public function getContents($filename)
     {
-        return $this->file($filename)->getContents();
+        $file = $this->file($filename);
+        return $file->exists()->then(function () use ($file) {
+            return $file->getContents();
+        });
     }
 
     /**

tests/FilesystemTest.php

@@ -4,6 +4,7 @@
 
 use React\Filesystem\Filesystem;
 use React\Filesystem\InstantInvoker;
+use React\Promise\FulfilledPromise;
 use React\Promise\RejectedPromise;
 
 class FilesystemTest extends TestCase
@@ -67,6 +68,11 @@ public function testDir()
     public function testGetContents()
     {
         $adapter = $this->mockAdapter();
+        $adapter
+            ->expects($this->any())
+            ->method('stat')
+            ->will($this->returnValue(new FulfilledPromise([])))
+        ;
         $adapter
             ->expects($this->any())
             ->method('open')