public void ReturnInvoiceWithCorrectProperties_WhenValidStringPassed(string input)
{
char separator = '/';
var invParser = new InvoiceParser(separator);
var decParserMock = new Mock <IDecimalParser>();
string numExpected = "12345";
string currExpected = "USD";
decimal daysExpected = 14.23m;
decimal rateExpected = 300;
decimal vatExpected = 21;
var queue = new Queue <decimal>();
queue.Enqueue(daysExpected);
queue.Enqueue(rateExpected);
queue.Enqueue(vatExpected / 100);
decParserMock.Setup(x => x.ParseDecimal(It.IsAny <string>())).Returns(queue.Dequeue);
var parsedInv = invParser.ParseInvoice(input, decParserMock.Object);
Assert.AreEqual(numExpected, parsedInv.Number);
Assert.AreEqual(currExpected, parsedInv.Currency);
Assert.AreEqual(daysExpected, parsedInv.Days);
Assert.AreEqual(rateExpected, parsedInv.Rate);
Assert.AreEqual(vatExpected, parsedInv.VatPercent);
}
public void ThrowArgumentException_WhenPassedInvoiceAsStringIsWhiteSpaceOrEmptyString(string input)
{
var invParser = new InvoiceParser('/');
var decParserMock = new Mock <IDecimalParser>();
string invoiceAsStr = null;
Assert.Throws <ArgumentNullException>(() => invParser.ParseInvoice(invoiceAsStr, decParserMock.Object));
}
