/**
  * Decode file content.
  *
  * @param string $filePath
  * @return array
  * @throws \InvalidArgumentException
  */
 public function decodeFile($filePath)
 {
     $file = new File($filePath);
     $fileData = $file->getContent();
     $dataDecoder = new JsonDataDecoder();
     $result = $dataDecoder->decodeData($fileData);
     return $result;
 }
 /**
  * Test encodeData function properly decodes data
  * in the proper JSON format.
  */
 public function testDecodeData()
 {
     $data = self::$dataFileFixturesHelper->loadEncodedData();
     $expectedResult = self::$dataFileFixturesHelper->loadDecodedData();
     $actualResult = $this->jsonDataDecoder->decodeData($data);
     $this->assertEquals($expectedResult, $actualResult);
 }