public async Task Handler_should_return_true()
{
var fakeSensor = new PortableSensor
{
Id = 1,
IsActive = false
};
var fakeSensorDbSet = new List <Sensor> {
fakeSensor
};
_dataContextMock.Setup(x => x.Sensors).ReturnsDbSet(fakeSensorDbSet);
_dataContextFactoryMock.Setup(x => x.Create()).Returns(_dataContextMock.Object);
var cancellationToken = new CancellationToken();
var command = new ChangeSensorActivationStateCommand(fakeSensor.Id, !fakeSensor.IsActive);
var handler =
new ChangeSensorActivationStateCommandHandler(_dataContextFactoryMock.Object, _mediatorMock.Object);
//Act
var result = await handler.Handle(command, cancellationToken);
//Assert
Assert.True(result);
}
public async Task Handler_should_publish_notification()
{
var fakeSensor = new PortableSensor
{
Id = 1,
IsActive = false
};
var fakeSensorDbSet = new List <Sensor> {
fakeSensor
};
_dataContextMock.Setup(x => x.Sensors).ReturnsDbSet(fakeSensorDbSet);
_dataContextFactoryMock.Setup(x => x.Create()).Returns(_dataContextMock.Object);
var cancellationToken = new CancellationToken();
var command = new ChangeSensorActivationStateCommand(fakeSensor.Id, !fakeSensor.IsActive);
var handler =
new ChangeSensorActivationStateCommandHandler(_dataContextFactoryMock.Object, _mediatorMock.Object);
//Act
await handler.Handle(command, cancellationToken);
//Assert
_mediatorMock.Verify(x =>
x.Publish(It.Is <SensorActivationStateChangedNotification>(it => it.SensorId == fakeSensor.Id),
It.Is <CancellationToken>(it => it == cancellationToken)),
Times.Once());
}
public async Task Handler_should_throw_not_found_exception_if_sensor_doesnt_exist()
{
_dataContextMock.Setup(x => x.Sensors).ReturnsDbSet(new List <Sensor>());
_dataContextFactoryMock.Setup(x => x.Create()).Returns(_dataContextMock.Object);
var cancellationToken = new CancellationToken();
var command = new ChangeSensorActivationStateCommand(1, false);
var handler =
new ChangeSensorActivationStateCommandHandler(_dataContextFactoryMock.Object, _mediatorMock.Object);
//Act
Task Act() => handler.Handle(command, cancellationToken);
//Assert
await Assert.ThrowsAsync <SensorNotFoundException>(Act);
}
public async Task Handler_should_throw_exception_if_dependency_is_null(int paramsSetIndex)
{
//Arrage
var testArgs = new[]
{
new[] { (object)null, _mediatorMock.Object },
new[] { _dataContextFactoryMock.Object, (object)null },
};
var testArgsCurrentSet = testArgs[paramsSetIndex];
//Act
void Act()
{
var createReadingCommandHandler = new ChangeSensorActivationStateCommandHandler(
(IDataContextFactory <DataContext>)testArgsCurrentSet[0], (IMediator)testArgsCurrentSet[1]);
}
//Assert
Assert.Throws <ArgumentNullException>(Act);
}
public async Task Handler_activation_state_should_be_changed(int sensorIndex, bool newActivationState)
{
//Check for both types of sensors
var sensors = new List <Sensor>
{
new PortableSensor
{
Id = 1,
IsActive = !newActivationState
},
new StaticSensor
{
Id = 1,
IsActive = !newActivationState
}
};
var fakeSensor = sensors[sensorIndex];
var fakeSensorDbSet = new List <Sensor> {
fakeSensor
};
_dataContextMock.Setup(x => x.Sensors).ReturnsDbSet(fakeSensorDbSet);
_dataContextFactoryMock.Setup(x => x.Create()).Returns(_dataContextMock.Object);
var cancellationToken = new CancellationToken();
var command = new ChangeSensorActivationStateCommand(fakeSensor.Id, newActivationState);
var handler =
new ChangeSensorActivationStateCommandHandler(_dataContextFactoryMock.Object, _mediatorMock.Object);
//Act
await handler.Handle(command, cancellationToken);
//Assert
Assert.Equal(newActivationState, fakeSensor.IsActive);
}
