cleanup test data dir before each test

api/codeception.yml

@@ -13,10 +13,11 @@ extensions:
     enabled:
         - Codeception\Extension\RunFailed
         - Codeception\Extension\PhpBuiltinServer
+        - CleanUpExtension
     config:
         Codeception\Extension\PhpBuiltinServer:
             hostname: localhost
             port: 8000
-            documentRoot: 
+            documentRoot:
             startDelay: 1
             phpIni: /etc/php5/apache2/php.ini

api/tests/_bootstrap.php

@@ -3,30 +3,6 @@
 
 define('TEST_DATA_DIR', 'tests/_tmp/data/');
 
-function deleteDirRecursively($dir) {
-  $handle = opendir($dir);
-  while(false !== ($entry = readdir($handle))) {
-    if($entry === '.' || $entry === '..') {
-      continue;
-    }
-    
-    if(is_dir($dir . '/' . $entry)) {
-      $function = __FUNCTION__;
-      $function($dir .'/' . $entry);
-    }
-    else {
-      unlink($dir . '/' . $entry);
-    }
-  }
-  rmdir($dir);
-}
-
 if(!is_dir('tests/_tmp')) {
   mkdir('tests/_tmp');
 }
-
-if(is_dir(TEST_DATA_DIR)) {
-  deleteDirRecursively(TEST_DATA_DIR);
-}
-
-mkdir(TEST_DATA_DIR);

api/tests/_support/CleanUpExtension.php

@@ -0,0 +1,33 @@
+<?php
+class CleanUpExtension extends \Codeception\Extension
+{
+  public static $events = array(
+    'test.before' => 'beforeTest',
+  );
+
+  public function beforeTest(\Codeception\Event\TestEvent $e) {
+    if (is_dir(TEST_DATA_DIR)) {
+      self::deleteDirRecursively(TEST_DATA_DIR);
+    }
+    mkdir(TEST_DATA_DIR);
+  }
+
+  private static function deleteDirRecursively($dir) {
+    $handle = opendir($dir);
+    while(false !== ($entry = readdir($handle))) {
+      if($entry === '.' || $entry === '..') {
+        continue;
+      }
+
+      if(is_dir($dir . '/' . $entry)) {
+        $method = __METHOD__;
+        $method($dir .'/' . $entry);
+      }
+      else {
+        unlink($dir . '/' . $entry);
+      }
+    }
+    rmdir($dir);
+  }
+}
+?>

api/tests/functional/CronCept.php

@@ -28,20 +28,19 @@ $polls = [
     "serverExpirationDate" => (clone $date)->add(new DateInterval('P1D'))->format($jsISO8601Format)
   ))
 ];
-$dataDir = 'tests/_tmp/data/';
 foreach ($polls as $id => $data) {
-  mkdir($dataDir . $id);
-  file_put_contents($dataDir . $id . '/poll_data', json_encode($data));
+  mkdir(TEST_DATA_DIR . $id);
+  file_put_contents(TEST_DATA_DIR . $id . '/poll_data', json_encode($data));
 }
 
 $I = new FunctionalTester($scenario);
 $I->wantTo('run cron and see expired polls being deleted');
 $I->runShellCommand('php cron.php tests/_tmp/data/');
 \PHPUnit_Framework_Assert::assertFalse(
-  is_dir($dataDir . 'expired000'),
+  is_dir(TEST_DATA_DIR . 'expired000'),
   'expired poll got deleted'
 );
 \PHPUnit_Framework_Assert::assertTrue(
-  is_dir($dataDir . 'notExpired'),
+  is_dir(TEST_DATA_DIR . 'notExpired'),
   'not yet expired poll is still there'
 );