public void Start_executed___Stop_can_execute()
{
CountDownViewModel sut = this.CreateSut();
sut.StartCommand.Execute(null);
Assert.IsTrue(sut.StopCommand.CanExecute(null));
}
public void Initial_State_is_Stopped()
{
var timerMock = new Mock <ITimer>();
var configMock = new Mock <IConfiguration>();
var beeperMock = new Mock <IBeeper>();
var sut = new CountDownViewModel(timerMock.Object, configMock.Object, beeperMock.Object);
Assert.AreEqual(State.Stopped, sut.State);
}
public void FontSize_gets_set()
{
var timerMock = new Mock <ITimer>();
var configMock = new Mock <IConfiguration>();
var beeperMock = new Mock <IBeeper>();
configMock
.Setup(c => c.FontSize)
.Returns(42)
.Verifiable();
var sut = new CountDownViewModel(timerMock.Object, configMock.Object, beeperMock.Object);
Assert.AreEqual(42, sut.FontSize);
}
public void TestStartCountdown()
{
Setup();
//Arrange
var settingsService = new Mock <IAppSettingsService>();
var navigation = new Mock <IMvxNavigationService>();
settingsService.Setup(x => x.GetInitialTime()).Returns(10);
//Act
var vm = new CountDownViewModel(navigation.Object, settingsService.Object);
vm.StartCountDown().Wait();
//Assert
Assert.IsTrue(vm.Timer == false);
Assert.IsTrue(vm.ChronoTime == 0);
}
public void Timer_ticks___Beeper_called()
{
_configMock
.Setup(c => c.StartSeconds)
.Returns(3)
.Verifiable();
CountDownViewModel sut = this.CreateSut();
sut.StartCommand.Execute(null);
_timer.OnTick();
_timer.OnTick();
_timer.OnTick();
_beeperMock.Verify(b => b.Beep(2), Times.Once());
_beeperMock.Verify(b => b.Beep(1), Times.Once());
_beeperMock.Verify(b => b.Beep(0), Times.Once());
}
public void Counting_down_to_0___correct_states()
{
_configMock
.Setup(c => c.StartSeconds)
.Returns(3)
.Verifiable();
_configMock
.Setup(c => c.SecondsForYellow)
.Returns(1)
.Verifiable();
CountDownViewModel sut = this.CreateSut();
_configMock.Verify();
sut.StartCommand.Execute(null);
Assert.AreEqual(3, sut.Seconds, "state Red");
Assert.AreEqual(State.Red, sut.State, "state Red");
_timer.OnTick(); // 2
_timer.OnTick(); // 1
Assert.AreEqual(1, sut.Seconds, "state Yellow");
Assert.AreEqual(State.Yellow, sut.State, "state Yellow");
_timer.OnTick(); // 0
Assert.AreEqual(0, sut.Seconds, "state Green");
Assert.AreEqual(State.Green, sut.State, "state Green");
_timer.OnTick(); // 3
Assert.AreEqual(3, sut.Seconds, "state Red (restart)");
Assert.AreEqual(State.Red, sut.State, "state Red (restart)");
}
public void Counting_down_to_0___restarting()
{
_configMock
.Setup(c => c.StartSeconds)
.Returns(3)
.Verifiable();
CountDownViewModel sut = this.CreateSut();
_configMock.Verify();
sut.StartCommand.Execute(null);
Assert.AreEqual(3, sut.Seconds, "after Start");
Assert.AreEqual(State.Red, sut.State, "after Start");
_timer.OnTick(); // 2
_timer.OnTick(); // 1
_timer.OnTick(); // 0
_timer.OnTick(); // 3
Assert.AreEqual(3, sut.Seconds, "should have restarted");
Assert.AreEqual(State.Red, sut.State, "should have restarted");
}
public void Init___Stop_cant_execute()
{
CountDownViewModel sut = this.CreateSut();
Assert.IsFalse(sut.StopCommand.CanExecute(null));
}
