public void TakeClosestElevator_WhenOneElevatorAvailable_ReturnsElevatorAndThenNull()
{
// Arrange
routeValidationServiceMock
.Setup(x => x.IsFloorNumberCorrect(It.IsAny <int>()))
.Returns(true);
buildingConfigurationServiceMock
.Setup(x => x.GetNumberOfElevators())
.Returns(1);
sut = new ElevatorPoolService(
elevatorEventLogServiceMock.Object,
buildingConfigurationServiceMock.Object,
routeValidationServiceMock.Object);
// Act
var first = sut.TakeClosestElevator(1);
var second = sut.TakeClosestElevator(1);
// Assert
Assert.IsNotNull(first);
Assert.IsNull(second);
elevatorEventLogServiceMock.Verify(x => x.LogEvent(It.IsAny <ElevatorModel>(), It.IsAny <string>()), Times.Once);
}
public void TakeClosestElevator_WhenInvalidFloorProvided_ThrowsException()
{
// Arrange
routeValidationServiceMock
.Setup(x => x.IsFloorNumberCorrect(It.IsAny <int>()))
.Returns(false);
// Act
sut.TakeClosestElevator(1);
elevatorEventLogServiceMock.Verify(x => x.LogEvent(It.IsAny <ElevatorModel>(), It.IsAny <string>()), Times.Never);
}
public void ReleaseElevator_WhenElevatorIsOccupied_ReleasesElevator()
{
// Arrange
routeValidationServiceMock
.Setup(x => x.IsFloorNumberCorrect(It.IsAny <int>()))
.Returns(true);
buildingConfigurationServiceMock
.Setup(x => x.GetNumberOfElevators())
.Returns(1);
sut = new ElevatorPoolService(
elevatorEventLogServiceMock.Object,
buildingConfigurationServiceMock.Object,
routeValidationServiceMock.Object);
// Act
sut.TakeClosestElevator(1);
sut.ReleaseElevator(0);
// Assert
elevatorEventLogServiceMock.Verify(x => x.LogEvent(It.IsAny <ElevatorModel>(), It.IsAny <string>()), Times.Exactly(2));
}
