NoRFCWarningsValidation now has an InvalidEmail instance if invalid email is passed

EmailValidator/Validation/Error/RFCWarnings.php

@@ -0,0 +1,14 @@
+<?php
+
+namespace Egulias\EmailValidator\Validation\Error;
+
+use Egulias\EmailValidator\Exception\InvalidEmail;
+
+/**
+ * @author Issei Murasawa <[email protected]>
+ */
+class RFCWarnings extends InvalidEmail
+{
+    const code = 997;
+    const REASON = 'The email has no error with RFC, but some warnings.';
+}

EmailValidator/Validation/NoRFCWarningsValidation.php

@@ -3,11 +3,39 @@
 namespace Egulias\EmailValidator\Validation;
 
 use Egulias\EmailValidator\EmailLexer;
+use Egulias\EmailValidator\Exception\InvalidEmail;
+use Egulias\EmailValidator\Validation\Error\RFCWarnings;
 
 class NoRFCWarningsValidation extends RFCValidation
 {
+    /**
+     * @var InvalidEmail
+     */
+    private $error;
+
+    /**
+     * {@inheritdoc}
+     */
     public function isValid($email, EmailLexer $emailLexer)
     {
-        return parent::isValid($email, $emailLexer) && empty($this->getWarnings());
+        if (!parent::isValid($email, $emailLexer)) {
+            return false;
+        }
+
+        if (empty($this->getWarnings())) {
+            return true;
+        }
+
+        $this->error = new RFCWarnings();
+
+        return false;
+    }
+
+    /**
+     * {@inheritdoc}
+     */
+    public function getError()
+    {
+        return $this->error ?: parent::getError();
     }
 }

Tests/EmailValidator/Validation/NoRFCWarningsValidationTest.php

@@ -0,0 +1,35 @@
+<?php
+
+namespace Egulias\Tests\EmailValidator\Validation;
+
+use Egulias\EmailValidator\EmailLexer;
+use Egulias\EmailValidator\Exception\NoDomainPart;
+use Egulias\EmailValidator\Validation\Error\RFCWarnings;
+use Egulias\EmailValidator\Validation\NoRFCWarningsValidation;
+
+class NoRFCWarningsValidationTest extends \PHPUnit_Framework_TestCase
+{
+    public function testInvalidEmailIsInvalid()
+    {
+        $validation = new NoRFCWarningsValidation();
+
+        $this->assertFalse($validation->isValid('non-email-string', new EmailLexer()));
+        $this->assertInstanceOf(NoDomainPart::class, $validation->getError());
+    }
+
+    public function testEmailWithWarningsIsInvalid()
+    {
+        $validation = new NoRFCWarningsValidation();
+
+        $this->assertFalse($validation->isValid(str_repeat('x', 254).'@example.com', new EmailLexer())); // too long email
+        $this->assertInstanceOf(RFCWarnings::class, $validation->getError());
+    }
+
+    public function testEmailWithoutWarningsIsValid()
+    {
+        $validation = new NoRFCWarningsValidation();
+
+        $this->assertTrue($validation->isValid('[email protected]', new EmailLexer()));
+        $this->assertNull($validation->getError());
+    }
+}