public void CreateRandomFile_creates_expected_number_of_lines()
{
// arrange
var factory = new QuoteFileFactory();
var allowedIdentifiers = new List <string> {
"MSFT", "CSCO", "AMZN", "SBUX"
};
var identifiers = new Identifiers(allowedIdentifiers);
var expectedLines = 100;
// act
var file = factory.CreateRandomFile(identifiers, expectedLines);
// assert
var fileContents = file.ToString();
AssertHelper.AssertHasLines(fileContents, expectedLines);
}