Allow screenshots to be saved in subdirectory

Author: SjorsO

lib/Remote/RemoteWebDriver.php

@@ -373,7 +373,14 @@ public function takeScreenshot($save_as = null)
         $screenshot = base64_decode(
             $this->execute(DriverCommand::SCREENSHOT)
         );
+
         if ($save_as) {
+            $directoryPath = dirname($save_as);
+
+            if (!file_exists($directoryPath)) {
+                mkdir($directoryPath, 0777, true);
+            }
+
             file_put_contents($save_as, $screenshot);
         }
 

tests/functional/RemoteWebDriverTest.php

@@ -257,7 +257,8 @@ public function testShouldSaveScreenshotToFile()
             $this->markTestSkipped('Screenshots are not supported by HtmlUnit browser');
         }
 
-        $screenshotPath = sys_get_temp_dir() . '/selenium-screenshot.png';
+        // Intentionally save screenshot to subdirectory to tests it is being created
+        $screenshotPath = sys_get_temp_dir() . '/' . uniqid('php-webdriver-') . '/selenium-screenshot.png';
 
         $this->driver->get($this->getTestPageUrl('index.html'));
 
@@ -270,6 +271,7 @@ public function testShouldSaveScreenshotToFile()
         $this->assertGreaterThan(0, imagesy($image));
 
         unlink($screenshotPath);
+        rmdir(dirname($screenshotPath));
     }
 
     /**