public void FromEmptyDbReader_ExpectDefaultOfString()
{
_readerStub.Read().Returns(false);
var sut = new SingleResultOrDefaultCommandInvoker <string>(_serviceCommand);
var result = sut.Invoke(_serviceManager);
Assert.AreEqual(default(string), result);
}
public void FromDbReaderWithOneRecord_CompareResult_ExpectSame()
{
_readerStub.Read().Returns(true, false);
_serviceCommand.MapResult(_readerStub).Returns(_returnedResult);
var sut = new SingleResultOrDefaultCommandInvoker <string>(_serviceCommand);
var result = sut.Invoke(_serviceManager);
Assert.AreEqual(_returnedResult, result);
}
public void FromDbReaderWithTwoRecords_ExpectException()
{
_readerStub.Read().Returns(true, true, false);
_serviceCommand.MapResult(_readerStub).Returns(_returnedResult);
var sut = new SingleResultOrDefaultCommandInvoker <string>(_serviceCommand);
Assert.Throws <InvalidOperationException>(() =>
{
sut.Invoke(_serviceManager);
});
}