public void シナリオ()
{
//データベースからデータをとってくる。
var weatherMock = new Mock <IWeatherRepository>();
weatherMock.Setup(x => x.GetLatest(1)).Returns(new WeatherEntity(1,
Convert.ToDateTime("2018/01/01 12:34:56"),
2,
12.3f));
weatherMock.Setup(x => x.GetLatest(2)).Returns(new WeatherEntity(2,
Convert.ToDateTime("2018/01/01 12:34:56"),
1,
22.1234f));
var areaMock = new Mock <IAreaRepository>();
var areas = new List <AreaEntity>();
areas.Add(new AreaEntity(1, "東京"));
areas.Add(new AreaEntity(2, "神戸"));
areas.Add(new AreaEntity(3, "沖縄"));
areaMock.Setup(x => x.GetData()).Returns(areas);
var viewModel = new WeatherLastestViewModel(weatherMock.Object, areaMock.Object);
Assert.AreEqual(null, viewModel.SelectedAreaId);
Assert.AreEqual("", viewModel.DataDateText);
Assert.AreEqual("", viewModel.ConditionText);
Assert.AreEqual("", viewModel.TemparatureText);
Assert.AreEqual(3, viewModel.Areas.Count);
Assert.AreEqual(1, viewModel.Areas[0].AreaId);
Assert.AreEqual("東京", viewModel.Areas[0].AreaName);
Assert.AreEqual(2, viewModel.Areas[1].AreaId);
Assert.AreEqual("神戸", viewModel.Areas[1].AreaName);
viewModel.SelectedAreaId = 1;
viewModel.Search();
Assert.AreEqual(1, viewModel.SelectedAreaId);
Assert.AreEqual("2018/01/01 12:34:56", viewModel.DataDateText);
Assert.AreEqual("曇り", viewModel.ConditionText);
Assert.AreEqual("12.30 ℃", viewModel.TemparatureText);
viewModel.SelectedAreaId = 2;
viewModel.Search();
Assert.AreEqual(2, viewModel.SelectedAreaId);
Assert.AreEqual("2018/01/01 12:34:56", viewModel.DataDateText);
Assert.AreEqual("晴れ", viewModel.ConditionText);
Assert.AreEqual("22.12 ℃", viewModel.TemparatureText);
viewModel.SelectedAreaId = 3;
viewModel.Search();
Assert.AreEqual(3, viewModel.SelectedAreaId);
Assert.AreEqual("", viewModel.DataDateText);
Assert.AreEqual("", viewModel.ConditionText);
Assert.AreEqual("", viewModel.TemparatureText);
}