private void AssertPropertyValue(object beetleObject, string propertyName, object expectedValue)
{
object actualValue = BeetleHelper.GetPropertyValue(beetleObject, propertyName);
Assert.That(actualValue, Is.EqualTo(expectedValue),
$"Beetle property {propertyName} has value ({actualValue}) but expected ({expectedValue})");
}
public void _15_ShouldNotMoveWhenSpeedIsZero()
{
_beetleSpeed = 0;
BeetleHelper.SetSpeedPropertyValue(_beetleObject, _beetleSpeed);
AssertAndInvokeChangePositionMethod(_beetleObject);
AssertPropertyValue(_beetleObject, BeetleHelper.XProperty, _beetleX); // should not move
AssertPropertyValue(_beetleObject, BeetleHelper.YProperty, _beetleY); // should not move
}
public void _14_ShouldBecomeInvisibleWhenPropertyIsSet()
{
BeetleHelper.SetIsVisibleProperty(_beetleObject, true);
Assert.That(_beetleEllipse.Visibility, Is.EqualTo(Visibility.Visible),
"Setting IsVisible on Beetle to true should make the ellipse visible");
BeetleHelper.SetIsVisibleProperty(_beetleObject, false);
Assert.That(_beetleEllipse.Visibility, Is.EqualTo(Visibility.Hidden),
"Setting IsVisible on Beetle to false should hide the ellipse");
}
public void _09_ShouldMoveDownAndRightWithoutHittingBorder()
{
BeetleHelper.SetRightProperty(_beetleObject, true);
BeetleHelper.SetUpProperty(_beetleObject, false);
AssertAndInvokeChangePositionMethod(_beetleObject);
// verify the beetle went in up and right direction
AssertPropertyValue(_beetleObject, BeetleHelper.XProperty, _beetleX + 1);
AssertPropertyValue(_beetleObject, BeetleHelper.YProperty, _beetleY + 1);
AssertEllipsePosition(_beetleX + 1, _beetleY + 1);
}
public void _13_ShouldTurnRightWhenHittingLeftSideOfCanvas()
{
_beetleX = (_beetleSize / 2) + 1; // 1 pixel from left side
BeetleHelper.SetXProperty(_beetleObject, _beetleX);
BeetleHelper.SetRightProperty(_beetleObject, false);
BeetleHelper.SetUpProperty(_beetleObject, false);
AssertAndInvokeChangePositionMethod(_beetleObject);
AssertPropertyValue(_beetleObject, BeetleHelper.XProperty, _beetleX - 1); // should go left
AssertPropertyValue(_beetleObject, BeetleHelper.YProperty, _beetleY + 1); // should go down
AssertPropertyValue(_beetleObject, BeetleHelper.RightProperty, true);
AssertPropertyValue(_beetleObject, BeetleHelper.UpProperty, false);
}
public void _12_ShouldTurnLeftWhenHittingRightSideOfCanvas()
{
_beetleX = TestCanvasWidth - (_beetleSize / 2) - 1; // 1 pixel from right side
BeetleHelper.SetXProperty(_beetleObject, _beetleX);
BeetleHelper.SetRightProperty(_beetleObject, true);
BeetleHelper.SetUpProperty(_beetleObject, false);
AssertAndInvokeChangePositionMethod(_beetleObject);
AssertPropertyValue(_beetleObject, BeetleHelper.XProperty, _beetleX + 1); // should go right
AssertPropertyValue(_beetleObject, BeetleHelper.YProperty, _beetleY + 1); // should go down
AssertPropertyValue(_beetleObject, BeetleHelper.RightProperty, false);
AssertPropertyValue(_beetleObject, BeetleHelper.UpProperty, false);
}
public void _11_ShouldTurnUpWhenHittingLowerBoundOfCanvas()
{
_beetleY = TestCanvasHeight - (_beetleSize / 2) - 1; // 1 pixel from bottom of canvas
BeetleHelper.SetYProperty(_beetleObject, _beetleY);
BeetleHelper.SetRightProperty(_beetleObject, true);
BeetleHelper.SetUpProperty(_beetleObject, false);
AssertAndInvokeChangePositionMethod(_beetleObject);
AssertPropertyValue(_beetleObject, BeetleHelper.XProperty, _beetleX + 1); // should go right
AssertPropertyValue(_beetleObject, BeetleHelper.YProperty, _beetleY + 1); // should go down
AssertPropertyValue(_beetleObject, BeetleHelper.UpProperty, true); // should turn
AssertPropertyValue(_beetleObject, BeetleHelper.RightProperty, true);
}
public void _10_ShouldTurnDownWhenHittingUpperBoundOfCanvas()
{
_beetleY = _beetleSize / 2 + 1; // 1 pixel from top of canvas
BeetleHelper.SetYProperty(_beetleObject, _beetleY);
BeetleHelper.SetRightProperty(_beetleObject, true);
BeetleHelper.SetUpProperty(_beetleObject, true);
AssertAndInvokeChangePositionMethod(_beetleObject);
AssertPropertyValue(_beetleObject, BeetleHelper.XProperty, _beetleX + 1); // should go right
AssertPropertyValue(_beetleObject, BeetleHelper.YProperty, _beetleY - 1); // should go up
AssertPropertyValue(_beetleObject, BeetleHelper.UpProperty, false); // should turn
AssertPropertyValue(_beetleObject, BeetleHelper.RightProperty, true);
}
public void _M18_ShouldChangeTimerIntervalSpeedPropertyAndLabelWhenChangingSliderValue()
{
AssertHasDispatcherTimer();
AssertDispatcherTimerIntervalWithRespectToBeetleSizeAndSpeed();
Assert.That(BeetleHelper.GetSpeedProperty(_beetleObject), Is.EqualTo(_speedSlider.Value),
$"Beetle object speed expected to be the same as slider value ({_speedSlider.Value}) but was ({BeetleHelper.GetSpeedProperty(_beetleObject)})");
_speedSlider.Value = 5.5;
AssertDispatcherTimerIntervalWithRespectToBeetleSizeAndSpeed();
Assert.That(BeetleHelper.GetSpeedProperty(_beetleObject), Is.EqualTo(_speedSlider.Value),
$"Beetle object size expected to be the same as slider value ({_speedSlider.Value}) but was ({BeetleHelper.GetSpeedProperty(_beetleObject)})");
Assert.That(Convert.ToDouble(_speedLabel.Content), Is.EqualTo(_speedSlider.Value),
$"Label for speed expected to be the same as slider value ({_speedSlider.Value}) but was ({_speedLabel.Content})");
}
public void _M15_ShouldResetTheScreenWhenHittingResetButton()
{
_resetButton.FireClickEvent();
Assert.That(_speedSlider.Value, Is.EqualTo(_speedSlider.Minimum),
"Hitting the <Reset> button should set the speed slider value to its minimum");
Assert.That(_sizeSlider.Value, Is.EqualTo(_sizeSlider.Minimum),
"Hitting the <Reset> button should set the size slider value to its minimum");
Assert.That(_speedSlider.IsEnabled, Is.True,
"Hitting the <Reset> button should set the enable the speed slider");
Assert.That(_sizeSlider.IsEnabled, Is.True,
"Hitting the <Reset> button should set the enable the size slider");
Assert.That(_startButton.Content, Is.EqualTo("Start"),
"Hitting the <Reset> button should set the <Start> button content to Start");
Assert.That(BeetleHelper.GetIsVisibleProperty(_beetleObject), Is.False,
"Hitting the <Reset> button should set the IsVisible property of the beetle to false");
Assert.That(_dispatcherTimer.IsEnabled, Is.False,
"Hitting the <Reset> button should disable the timer");
}
public void Setup()
{
_testCanvas = new Canvas
{
Width = TestCanvasWidth,
Height = TestCanvasHeight
};
_beetleSize = 10;
_beetleX = 40;
_beetleY = 35;
_beetleSpeed = 0.5;
_beetleObject = BeetleHelper.CreateBeetle(_testCanvas, _beetleX, _beetleY, _beetleSize);
if (_beetleObject != null)
{
BeetleHelper.SetSpeedPropertyValue(_beetleObject, _beetleSpeed);
}
_beetleEllipse = (_testCanvas.Children.Count > 0 ? _testCanvas.Children[0] as Ellipse : null);
}
public void _M14_ShouldSetBeetleUpPropertyToFalseWhenHittingDownButton()
{
_downButton.FireClickEvent();
Assert.That(BeetleHelper.GetUpProperty(_beetleObject), Is.False, "Hitting the <Down> button should change Up property on Beetle to false");
}
public void _M14_ShouldSetBeetleUpPropertyToTrueWhenHittingUpButton()
{
_upButton.FireClickEvent();
Assert.That(BeetleHelper.GetUpProperty(_beetleObject), Is.True, "Hitting the <Up> button should change Up property on Beetle to true");
}
public void _M12_ShouldSetBeetleRightPropertyToTrueWhenHittingRightButton()
{
_rightButton.FireClickEvent();
Assert.That(BeetleHelper.GetRightProperty(_beetleObject), Is.True, "Hitting the <Right> button should change Right property on Beetle to true");
}
public void _M11_ShouldSetBeetleRightPropertyToFalseWhenHittingLeftButton()
{
_leftButton.FireClickEvent();
Assert.That(BeetleHelper.GetRightProperty(_beetleObject), Is.False, "Hitting the <Left> button should change Right property on Beetle to false");
}
