added missing messageTemplates in ExcludeMimeType validator

Author: michalbundyra

src/File/ExcludeMimeType.php

@@ -21,6 +21,15 @@ class ExcludeMimeType extends MimeType
     const NOT_DETECTED = 'fileExcludeMimeTypeNotDetected';
     const NOT_READABLE = 'fileExcludeMimeTypeNotReadable';
 
+    /**
+     * @var array Error message templates
+     */
+    protected $messageTemplates = [
+        self::FALSE_TYPE   => "File has an incorrect mimetype of '%type%'",
+        self::NOT_DETECTED => "The mimetype could not be detected from the file",
+        self::NOT_READABLE => "File is not readable or does not exist",
+    ];
+
     /**
      * Returns true if the mimetype of the file does not matche the given ones. Also parts
      * of mimetypes can be checked. If you give for example "image" all image

test/File/ExcludeMimeTypeTest.php

@@ -51,6 +51,10 @@ public function testBasic($options, $isValidParam, $expected)
         $validator = new ExcludeMimeType($options);
         $validator->enableHeaderCheck();
         $this->assertEquals($expected, $validator->isValid($isValidParam));
+        if (!$expected) {
+            $this->assertArrayHasKey($validator::FALSE_TYPE, $validator->getMessages());
+            $this->assertNotEmpty($validator->getMessages()[$validator::FALSE_TYPE]);
+        }
     }
 
     /**
@@ -137,6 +141,12 @@ public function testEmptyFileShouldReturnFalseAndDisplayNotFoundMessage()
 
         $this->assertFalse($validator->isValid(''));
         $this->assertArrayHasKey(ExcludeMimeType::NOT_READABLE, $validator->getMessages());
+        $this->assertNotEmpty($validator->getMessages()[ExcludeMimeType::NOT_READABLE]);
+    }
+
+    public function testEmptyArrayFileShouldReturnFalseAdnDisplayNotFoundMessage()
+    {
+        $validator = new ExcludeMimeType();
 
         $filesArray = [
             'name'      => '',
@@ -148,6 +158,7 @@ public function testEmptyFileShouldReturnFalseAndDisplayNotFoundMessage()
 
         $this->assertFalse($validator->isValid($filesArray));
         $this->assertArrayHasKey(ExcludeMimeType::NOT_READABLE, $validator->getMessages());
+        $this->assertNotEmpty($validator->getMessages()[ExcludeMimeType::NOT_READABLE]);
     }
 
     public function testIsValidRaisesExceptionWithArrayNotInFilesFormat()