public void TestImplementsInterface()
{
CoinReturnDisplayController coinReturnDisplayController = new CoinReturnDisplayController(new TextBox(),
new MockCoinReturn());
Assert.IsInstanceOf(typeof(IDisplayController), coinReturnDisplayController);
Assert.IsInstanceOf(typeof(ICoinReturnObserver), coinReturnDisplayController);
}
public void TestRegistersSelfAsObserverWithCoinReturn()
{
MockCoinReturn mockCoinReturn = new MockCoinReturn();
CoinReturnDisplayController coinReturnDisplayController = new CoinReturnDisplayController(new TextBox(),
mockCoinReturn);
Assert.AreEqual(1, mockCoinReturn.NumberOfTimesRegisterObserverWasCalled);
Assert.AreSame(coinReturnDisplayController, mockCoinReturn.ObserversPassedToRegisterObserver[0]);
}
public void TestProperties()
{
MockCoinReturn expectedCoinReturn = new MockCoinReturn();
TextBox expectedTextBox = new TextBox();
CoinReturnDisplayController coinReturnDisplayController = new CoinReturnDisplayController(expectedTextBox,
expectedCoinReturn);
Assert.AreEqual(expectedCoinReturn, coinReturnDisplayController.CoinReturn);
Assert.AreEqual(expectedTextBox, coinReturnDisplayController.Display);
}
public void TestCorrectlyBuildsCoinReturnDisplayController()
{
Form mainForm = new Form();
TextBox expectedTextBox = new TextBox()
{
Name = "CoinReturnDisplayTextBox"
};
mainForm.Controls.Add(expectedTextBox);
MainFormController mainFormController = new MainFormController(mainForm);
CoinReturnDisplayController coinReturnDisplayController = mainFormController.CoinReturnDisplayController;
Assert.IsInstanceOf(typeof(CoinReturnDisplayController), coinReturnDisplayController);
Assert.AreEqual(expectedTextBox, coinReturnDisplayController.Display);
Assert.AreEqual(mainFormController.CoinReturn, coinReturnDisplayController.CoinReturn);
}
public void TestUpdatesDisplayTextWithCoinReturnValueWhenCoinReturnUpdatedIsCalled(
decimal valueToReturnFromCoinReturn, string expectedUpdatedText)
{
MockCoinReturn mockCoinReturn = new MockCoinReturn();
TextBox displayTextBox = new TextBox();
CoinReturnDisplayController coinReturnDisplayController = new CoinReturnDisplayController(displayTextBox,
mockCoinReturn);
const string expectedStartingAmountBecauseTheMockReturnsAnAmoutOfZeroByDefualt = "$0.00";
Assert.AreEqual(expectedStartingAmountBecauseTheMockReturnsAnAmoutOfZeroByDefualt, displayTextBox.Text);
mockCoinReturn.ValueToReturnFromAmountAvailable = valueToReturnFromCoinReturn;
coinReturnDisplayController.CoinReturnUpdated();
Assert.AreEqual(expectedUpdatedText, displayTextBox.Text);
}
public MainFormController(Form form)
{
MainForm = form;
CoinAccepter = new CoinAccepter(CoinFactory, CoinPurse, CoinReturn);
DisplayController = new VendingDisplayController(GetTextBoxFromForm(DisplayTextBoxName), CoinPurse);
ReturnChangeButtonController = new ReturnChangeButtonController(GetButtonFromForm(ChangeReturnButtonName),
CoinPurse, CoinReturn);
InsertCoinButtonPanel = new InsertCoinButtonPanel(GetButtonFromForm(InsertPennyButtonName),
GetButtonFromForm(InsertNickelButtonName),
GetButtonFromForm(InsertDimeButtonName),
GetButtonFromForm(InsertQuarterButtonName));
InsertCoinButtonPanelController = new InsertCoinButtonPanelController(InsertCoinButtonPanel, CoinAccepter);
CoinReturnDisplayController =
new CoinReturnDisplayController(GetTextBoxFromForm(CoinReturnDisplayTextBoxName), CoinReturn);
ClearCoinReturnButtonController =
new ClearCoinReturnButtonController(GetButtonFromForm(ClearCoinReturnButtonName), CoinReturn, new DialogService());
}