add processing of phpunit warnings as failures (via #48)

Author: slavvka

src/Yandex/Allure/PhpUnit/AllurePhpUnit.php

@@ -134,7 +134,8 @@ public function addError(Test $test, Throwable $t, float $time): void
      */
     public function addWarning(Test $test, Warning $e, float $time): void
     {
-        // TODO: Implement addWarning() method.
+        $event = new TestCaseFailedEvent();
+        Allure::lifecycle()->fire($event->withException($e)->withMessage($e->getMessage()));
     }
 
     /**

test/Yandex/Allure/Adapter/AllureAdapterTest.php

@@ -5,6 +5,7 @@
 use PHPUnit\Framework\AssertionFailedError;
 use PHPUnit\Framework\TestCase;
 use PHPUnit\Framework\TestSuite;
+use PHPUnit\Framework\Warning;
 use Exception;
 use org\bovigo\vfs\vfsStream;
 use Throwable;
@@ -64,6 +65,19 @@ public function testAddError(): void
         $this->assertEquals($event, $events[0]);
     }
 
+    public function testAddWarning(): void
+    {
+        $warning = new Warning(self::EXCEPTION_MESSAGE);
+        $time = $this->getTime();
+        $this->getAllureAdapter()->addWarning($this, $warning, $time);
+        $events = $this->getMockedLifecycle()->getEvents();
+        $event = new TestCaseFailedEvent();
+        $event->withException($warning)->withMessage(self::EXCEPTION_MESSAGE);
+        $this->assertEquals(1, sizeof($events));
+        $this->assertInstanceOf('\Yandex\Allure\Adapter\Event\TestCaseFailedEvent', $events[0]);
+        $this->assertEquals($event, $events[0]);
+    }
+    
     public function testAddFailure(): void
     {
         $exception = new AssertionFailedError(self::EXCEPTION_MESSAGE);