public async Task Handler_should_throw_not_found_exception_if_sensor_doesnt_exist()
{
//Arrange
_dataContextMock.Setup(x => x.StaticSensors).ReturnsDbSet(new List <StaticSensor>());
_dataContextFactoryMock.Setup(x => x.Create()).Returns(_dataContextMock.Object);
var cancellationToken = new CancellationToken();
var notification = new StaticSensorReadingCreatedNotification(0, new StaticSensorReading());
var handler = new StaticSensorReadingCreatedNotificationHandler(_pwaDispatchHelperMock.Object,
_sensorCacheHelperMock.Object, _dataContextFactoryMock.Object);
//Act
Task Act() => handler.Handle(notification, cancellationToken);
//Assert
await Assert.ThrowsAsync <SensorNotFoundException>(Act);
}
public async Task Handler_dispatch_reading_if_sensor_available()
{
//Arrange
var fakeSensor = new StaticSensor
{
Id = 1,
Readings = new List <StaticSensorReading>
{
new StaticSensorReading
{
StaticSensorId = 1
}
},
IsActive = true,
IsVisible = true
};
var fakeSensorDbSet = new List <StaticSensor> {
fakeSensor
};
_dataContextMock.Setup(x => x.StaticSensors).ReturnsDbSet(fakeSensorDbSet);
_dataContextFactoryMock.Setup(x => x.Create()).Returns(_dataContextMock.Object);
_sensorCacheHelperMock.Setup(x => x.GetPollutionLevelAsync(fakeSensor.Id))
.Returns(Task.FromResult(PollutionLevel.High));
var cancellationToken = new CancellationToken();
var notification = new StaticSensorReadingCreatedNotification(fakeSensor.Id, fakeSensor.Readings.First());
var handler = new StaticSensorReadingCreatedNotificationHandler(_pwaDispatchHelperMock.Object,
_sensorCacheHelperMock.Object, _dataContextFactoryMock.Object);
//Act
await handler.Handle(notification, cancellationToken);
//Assert
_pwaDispatchHelperMock.Verify(
x => x.DispatchReadingsForStaticSensor(It.Is <int>(it => it == fakeSensor.Id),
It.Is <PollutionLevel>(it => it == PollutionLevel.High),
It.Is <StaticSensorReading>(it => it == notification.Reading)),
Times.Once);
}
public async Task Handler_should_throw_exception_if_dependency_is_null(int paramsSetIndex)
{
//Arrage
var testArgs = new[]
{
new[] { _pwaDispatchHelperMock.Object, (object)_sensorCacheHelperMock.Object, (object)null },
new[] { _pwaDispatchHelperMock.Object, null, (object)_dataContextFactoryMock.Object },
new[] { (object)null, (object)_sensorCacheHelperMock.Object, _dataContextFactoryMock.Object }
};
var testArgsCurrentSet = testArgs[paramsSetIndex];
//Act
void Act()
{
var createReadingCommandHandler = new StaticSensorReadingCreatedNotificationHandler(
(IPWADispatchHelper)testArgsCurrentSet[0], (ISensorCacheHelper)testArgsCurrentSet[1],
(IDataContextFactory <DataContext>)testArgsCurrentSet[2]);
}
//Assert
Assert.Throws <ArgumentNullException>(Act);
}
