public async Task Handler_should_return_true()
{
var fakeSensor = new StaticSensor()
{
Id = 1,
IsVisible = false
};
var fakeSensorDbSet = new List <StaticSensor> {
fakeSensor
};
_dataContextMock.Setup(x => x.StaticSensors).ReturnsDbSet(fakeSensorDbSet);
_dataContextFactoryMock.Setup(x => x.Create()).Returns(_dataContextMock.Object);
var cancellationToken = new CancellationToken();
var command = new ChangeStaticSensorVisibilityStateCommand(fakeSensor.Id, !fakeSensor.IsVisible);
var handler =
new ChangeStaticSensorVisibilityStateCommandHandler(_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 StaticSensor
{
Id = 1,
IsActive = false
};
var fakeSensorDbSet = new List <StaticSensor> {
fakeSensor
};
_dataContextMock.Setup(x => x.StaticSensors).ReturnsDbSet(fakeSensorDbSet);
_dataContextFactoryMock.Setup(x => x.Create()).Returns(_dataContextMock.Object);
var cancellationToken = new CancellationToken();
var command = new ChangeStaticSensorVisibilityStateCommand(fakeSensor.Id, !fakeSensor.IsActive);
var handler =
new ChangeStaticSensorVisibilityStateCommandHandler(_dataContextFactoryMock.Object,
_mediatorMock.Object);
//Act
await handler.Handle(command, cancellationToken);
//Assert
_mediatorMock.Verify(x =>
x.Publish(It.Is <StaticSensorVisibilityStateChangedNotification>(it => it.SensorId == fakeSensor.Id),
It.Is <CancellationToken>(it => it == cancellationToken)),
Times.Once());
}
public async Task Handler_database_should_be_updated()
{
var fakeSensor = new StaticSensor()
{
Id = 1,
IsVisible = false
};
var fakeSensorDbSet = new List <StaticSensor> {
fakeSensor
};
_dataContextMock.Setup(x => x.StaticSensors).ReturnsDbSet(fakeSensorDbSet);
_dataContextFactoryMock.Setup(x => x.Create()).Returns(_dataContextMock.Object);
var cancellationToken = new CancellationToken();
var command = new ChangeStaticSensorVisibilityStateCommand(fakeSensor.Id, !fakeSensor.IsVisible);
var handler =
new ChangeStaticSensorVisibilityStateCommandHandler(_dataContextFactoryMock.Object,
_mediatorMock.Object);
//Act
await handler.Handle(command, cancellationToken);
//Assert
_dataContextMock.Verify(x => x.SaveChangesAsync(It.Is <CancellationToken>(it => it == cancellationToken)),
Times.Once);
}
public async Task Handler_activation_state_should_be_changed(bool newVisibilityState)
{
var fakeSensor = new StaticSensor()
{
Id = 1,
IsVisible = !newVisibilityState
};
var fakeSensorDbSet = new List <StaticSensor> {
fakeSensor
};
_dataContextMock.Setup(x => x.StaticSensors).ReturnsDbSet(fakeSensorDbSet);
_dataContextFactoryMock.Setup(x => x.Create()).Returns(_dataContextMock.Object);
var cancellationToken = new CancellationToken();
var command = new ChangeStaticSensorVisibilityStateCommand(fakeSensor.Id, newVisibilityState);
var handler =
new ChangeStaticSensorVisibilityStateCommandHandler(_dataContextFactoryMock.Object,
_mediatorMock.Object);
//Act
await handler.Handle(command, cancellationToken);
//Assert
Assert.Equal(newVisibilityState, fakeSensor.IsVisible);
}
public async Task Handler_should_throw_not_found_exception_if_sensor_doesnt_exist()
{
_dataContextMock.Setup(x => x.StaticSensors).ReturnsDbSet(new List <StaticSensor>());
_dataContextFactoryMock.Setup(x => x.Create()).Returns(_dataContextMock.Object);
var cancellationToken = new CancellationToken();
var command = new ChangeStaticSensorVisibilityStateCommand(1, false);
var handler =
new ChangeStaticSensorVisibilityStateCommandHandler(_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 handler = new ChangeStaticSensorVisibilityStateCommandHandler(
(IDataContextFactory <DataContext>)testArgsCurrentSet[0],
(IMediator)testArgsCurrentSet[1]);
}
//Assert
Assert.Throws <ArgumentNullException>(Act);
}
