public void HasDefaultValues()
{
var instance = new BoilerViewModel(this.boilerService.Object, this.policyProvider.Object);
instance.Heating.Should().BeFalse();
instance.Protection.Should().BeFalse();
instance.Temperature.Should().Be(0m);
instance.Pressure.Should().Be(0m);
instance.TargetPressure.Should().Be(0m);
instance.TemperatureTrend.Should().Be(Trend.Stable);
}
public void CanGetPressure()
{
var expected = 1.5m;
this.pressure.OnNext(expected);
var instance = new BoilerViewModel(this.boilerService.Object, this.policyProvider.Object);
instance.Activator.Activate();
instance.Pressure.Should().Be(expected);
}
public void CanGetHeating()
{
var expected = true;
this.heating.OnNext(expected);
var instance = new BoilerViewModel(this.boilerService.Object, this.policyProvider.Object);
instance.Activator.Activate();
instance.Heating.Should().Be(expected);
}
public void CanGetTemperatureTrend()
{
var instance = new BoilerViewModel(this.boilerService.Object, this.policyProvider.Object);
instance.Activator.Activate();
// set twice
this.temperature.OnNext(25m);
this.temperature.OnNext(25m);
instance.TemperatureTrend.Should().Be(Trend.Stable, "2 consecutive values, trend should be stable.");
this.temperature.OnNext(26m);
instance.TemperatureTrend.Should().Be(Trend.Rising, "Trend should be rising.");
this.temperature.OnNext(24m);
instance.TemperatureTrend.Should().Be(Trend.Falling, "Trend should be falling.");
}
public async Task CanSetAndGetTargetPressure()
{
var expected = 1.2m;
var set = 0m;
this.targetPressure.Subscribe(x => set = x);
var instance = new BoilerViewModel(this.boilerService.Object, this.policyProvider.Object);
instance.Activator.Activate();
instance.TargetPressure = expected;
instance.TargetPressure.Should().Be(expected, "TargetPressure should immediately reflect set value.");
set.Should().Be(0, "TargetPressure did not debounce.");
await Task.Delay(2000);
set.Should().Be(expected, "TargetPressure did not propagate.");
}
public void CanResetProtection()
{
bool canExecute = false;
this.boilerService.Setup(x => x.ResetProtection(It.IsAny <CancellationToken>())).Returns(() =>
{
this.protection.OnNext(false);
return(Task.CompletedTask);
});
var instance = new BoilerViewModel(this.boilerService.Object, this.policyProvider.Object);
instance.Activator.Activate();
instance.ResetProtection.CanExecute.Subscribe(c => canExecute = c);
this.protection.OnNext(true);
instance.Protection.Should().BeTrue("Protection should be true initially.");
canExecute.Should().BeTrue("Should be allowed to execute resetProtection.");
instance.ResetProtection.Execute().Subscribe();
instance.Protection.Should().BeFalse("Protection should be reset now.");
}
public void CanConstruct()
{
var instance = new BoilerViewModel(this.boilerService.Object, this.policyProvider.Object);
Assert.NotNull(instance);
}
