public void StartMonitoring_NormalBehavior_CallbackInvokedMultipleTimes()
{
// Arrange
WeatherMonitorStrategy target = new WeatherMonitorStrategy();
int callbackCount = 0;
// Act
target.StartMonitoring(TimeSpan.FromMilliseconds(100), () => callbackCount++);
Waiter.Until(() => callbackCount >= 2);
target.StopMonitoring();
// Assert
callbackCount.Should().BeGreaterOrEqualTo(2);
}
public void StartMonitoring_CallbackInvokedBeforeMonitoringStarts()
{
// Arrange
WeatherMonitorStrategy target = new WeatherMonitorStrategy();
int callbackCount = 0;
// Act
// Make interval large so test completes before it triggers.
target.StartMonitoring(TimeSpan.FromMilliseconds(10000), () => callbackCount++);
Waiter.Until(() => callbackCount > 0);
target.StopMonitoring();
// Assert
callbackCount.Should().BeGreaterOrEqualTo(1);
}
public void StopMonitoring_EndOfIntervalCallbackNotCalledAfterwards()
{
// Arrange
WeatherMonitorStrategy target = new WeatherMonitorStrategy();
int callBackCount = 0;
target.StartMonitoring(TimeSpan.FromMilliseconds(200), () => callBackCount++);
// Act
Waiter.Until(() => callBackCount > 0);
target.StopMonitoring();
Waiter.Until(() =>
{
bool result = callBackCount == 0;
callBackCount = 0;
return(result);
});
// Assert
callBackCount.Should().Be(0);
}