public void GetStations_Success()
{
string stationData = "dummyStr";
string stationName1 = StationData.StationName1;
string stationName2 = StationData.StationName2;
string stationName3 = StationData.StationName3;
var textReaderMock = new Mock <TextReader>();
textReaderMock.SetupSequence(tr => tr.Peek())
.Returns(0)
.Returns(0)
.Returns(0)
.Returns(0)
.Returns(-1);
textReaderMock.SetupSequence(tr => tr.ReadLine())
.Returns(string.Empty)
.Returns(stationData)
.Returns(stationData)
.Returns(stationData);
var stationParserMock = new Mock <IStationParcer <string> >();
stationParserMock.SetupSequence(sp => sp.Parce(It.IsAny <string>()))
.Returns(new Station(1, stationName1, 0, 0))
.Returns(new Station(2, stationName2, 0, 0))
.Returns(new Station(3, stationName3, 0, 0));
var ds = new TxtTextReaderStationDataSource(textReaderMock.Object, stationParserMock.Object);
// Act
var result = ds.GetStations();
Assert.IsNotNull(result);
textReaderMock.Verify(tr => tr.Peek(), Times.Exactly(5));
textReaderMock.Verify(tr => tr.ReadLine(), Times.Exactly(4));
stationParserMock.Verify(tr => tr.Parce(It.IsAny <string>()), Times.Exactly(3));
var resArr = result.ToArray();
Assert.AreEqual(3, resArr.Length, "Count of returned stations is not valid.");
Assert.AreEqual(stationName1, resArr[0].Name, "Station has invalid name");
Assert.AreEqual(stationName2, resArr[1].Name, "Station has invalid name");
Assert.AreEqual(stationName3, resArr[2].Name, "Station has invalid name");
}
public void GetStations_ParserReturnsNull_Failed()
{
string stationData = "dummyStr";
var textReaderMock = new Mock <TextReader>();
textReaderMock.Setup(tr => tr.Peek())
.Returns(0);
textReaderMock.Setup(tr => tr.ReadLine())
.Returns(stationData);
var stationParserMock = new Mock <IStationParcer <string> >();
stationParserMock.Setup(sp => sp.Parce(It.IsAny <string>()))
.Returns((IStation)null);
var ds = new TxtTextReaderStationDataSource(textReaderMock.Object, stationParserMock.Object);
// Act
Assert.Throws <Exception>(() => ds.GetStations());
}
