public void ParseValidArgsWillReturnCorrectResult()
{
// Fixture setup
var fixture = new CurrencyFixture();
var rate = fixture.CreateAnonymous <decimal>();
var srcCurrencyArg = "EUR";
var destCurrencyArg = "USD";
var rateArg = rate.ToString();
var currencyStub = fixture.CreateMoq <Currency>();
currencyStub.Setup(c => c.Code).Returns(srcCurrencyArg);
fixture.FreezeMoq <CurrencyProvider>().Setup(cp => cp.GetCurrency(srcCurrencyArg)).Returns(currencyStub.Object);
var expectedResult = new Likeness <CurrencyUpdateCommand, CurrencyUpdateCommand>(new CurrencyUpdateCommand(currencyStub.Object, destCurrencyArg, rate));
var sut = fixture.CreateAnonymous <CurrencyParser>();
// Exercise system
var result = sut.Parse(new[] { destCurrencyArg, srcCurrencyArg, rateArg });
// Verify outcome
Assert.AreEqual(expectedResult, result, "Parse");
// Teardown
}
public void ExecuteWillUpdateCurrency()
{
// Fixture setup
var fixture = new CurrencyFixture();
var currencyMock = fixture.FreezeMoq <Currency>();
var sut = fixture.CreateAnonymous <CurrencyUpdateCommand>();
// Exercise system
sut.Execute();
// Verify outcome
currencyMock.Verify(c => c.UpdateExchangeRate(sut.DestinationCode, sut.Rate));
// Teardown
}
public void ExecuteWillWriteCorrectOutput()
{
// Fixture setup
var fixture = new CurrencyFixture();
fixture.FreezeMoq <Currency>().SetupGet(c => c.Code).Returns(fixture.CreateAnonymous("Code"));
var sut = fixture.CreateAnonymous <CurrencyUpdateCommand>();
var expectedOutput = string.Format("Updated: 1 {0} in {1} = {2}.{3}", sut.DestinationCode, sut.Currency.Code, sut.Rate, Environment.NewLine);
using (var sw = new StringWriter())
{
Console.SetOut(sw);
// Exercise system
sut.Execute();
// Verify outcome
Assert.AreEqual(expectedOutput, sw.ToString(), "Execute");
// Teardown
}
}
