function test_file_content_read()
    {
        $definitionHeader = new RowDefinition(['type' => 1, 'number_of_products' => 5, 'total_price' => 9]);
        $definitionHeader->setId('1');
        $definitionProduct = new RowDefinition(['type' => 1, 'name' => 20, 'price' => 9]);
        $definitionProduct->setId('2');
        $fileReader = new FileReader();
        $fileReader->addRowDefinition('header', $definitionHeader);
        $fileReader->addRowDefinition('product', $definitionProduct);
        $expected = ['0' => ['type' => '1', 'number_of_products' => '    3', 'total_price' => '000159.99'], '1' => ['type' => '2', 'name' => 'A Product Name 1    ', 'price' => '000049.99'], '2' => ['type' => '2', 'name' => 'A Product Name 2    ', 'price' => '000000050']];
        $file = <<<FILE
1    3000159.99
2A Product Name 1    000049.99
2A Product Name 2    000000050
FILE;
        $this->assertEquals($expected, $fileReader->readFile($file));
    }