public void TestException()
{
//Arrange
GetWeatherForecasts command = null;
var handler = new GetWeatherForecastsHandler();
//Act
Func <Task <IReadOnlyList <WeatherForecast> > > action = () => handler.Handle(command, CancellationToken.None);
//Assert
action.Should().ThrowExactly <NullReferenceException>();
}
public async Task <IReadOnlyList <WeatherForecast> > Handle(GetWeatherForecasts request, CancellationToken cancellationToken)
{
if (request is null)
{
throw new NullReferenceException("Request cannot be null");
}
var rng = new Random();
var weatherForecasts = Enumerable.Range(1, 5).Select(index => new WeatherForecast
{
Date = DateTime.Now.AddDays(index),
TemperatureC = rng.Next(-20, 55),
Summary = Summaries[rng.Next(Summaries.Length)]
})
.ToList()
.AsReadOnly();
return(await Task.FromResult <IReadOnlyList <WeatherForecast> >(weatherForecasts));
}
public async Task TestMethod1()
{
//Arrange
var command = new GetWeatherForecasts();
var handler = new GetWeatherForecastsHandler();
//Act
var result = await handler.Handle(command, CancellationToken.None);
this.TestContext.WriteLine(result.ToString());
//Assert
result.Should().NotBeNull();
result.Count.Should().Be(5);
foreach (var item in result)
{
item.Summary.Should().BeOneOf(Summaries);
item.TemperatureC.Should().BeInRange(-20, 55);
}
}
