public void ContextualCommandsCollection_HasCommands_ChangedOnCollectionChange() { // Setup var testSubject = new ContextualCommandsCollection(); int hasCommandsChangedCounter = 0; ((INotifyPropertyChanged)testSubject).PropertyChanged += (o, e) => { if (e.PropertyName == "HasCommands") { hasCommandsChangedCounter++; } }; // Case 1: Add command var cmd1 = new ContextualCommandViewModel(this, new RelayCommand(() => { })); var cmd2 = new ContextualCommandViewModel(this, new RelayCommand(() => { })); // Act testSubject.Add(cmd1); testSubject.Add(cmd2); // Verify Assert.AreEqual(2, hasCommandsChangedCounter, "Adding a command should update HasCommands"); // Case 2: Remove command // Act testSubject.Remove(cmd1); // Verify Assert.AreEqual(3, hasCommandsChangedCounter, "Adding a command should update HasCommands"); // Case 3: Update command // Act testSubject[0] = cmd1; // Verify Assert.AreEqual(4, hasCommandsChangedCounter, "Adding a command should update HasCommands"); }
public void ContextualCommandsCollection_HasCommands() { // Arrange var testSubject = new ContextualCommandsCollection(); // Case 1: no commands // Act + Assert testSubject.HasCommands.Should().BeFalse(); // Case 2: has commands testSubject.Add(new ContextualCommandViewModel(this, new RelayCommand(() => { }))); // Act + Assert testSubject.HasCommands.Should().BeTrue(); }
public void ContextualCommandsCollection_HasCommands() { // Setup var testSubject = new ContextualCommandsCollection(); // Case 1: no commands // Act + Verify Assert.IsFalse(testSubject.HasCommands); // Case 2: has commands testSubject.Add(new ContextualCommandViewModel(this, new RelayCommand(()=> { }))); // Act + Verify Assert.IsTrue(testSubject.HasCommands); }
public void ContextualCommandsCollection_HasCommands() { // Setup var testSubject = new ContextualCommandsCollection(); // Case 1: no commands // Act + Verify Assert.IsFalse(testSubject.HasCommands); // Case 2: has commands testSubject.Add(new ContextualCommandViewModel(this, new RelayCommand(() => { }))); // Act + Verify Assert.IsTrue(testSubject.HasCommands); }
public void ContextualCommandsCollection_HasCommands_ChangedOnCollectionChange() { // Arrange var testSubject = new ContextualCommandsCollection(); int hasCommandsChangedCounter = 0; ((INotifyPropertyChanged)testSubject).PropertyChanged += (o, e) => { if (e.PropertyName == "HasCommands") { hasCommandsChangedCounter++; } }; // Case 1: Add command var cmd1 = new ContextualCommandViewModel(this, new RelayCommand(() => { })); var cmd2 = new ContextualCommandViewModel(this, new RelayCommand(() => { })); // Act testSubject.Add(cmd1); testSubject.Add(cmd2); // Assert hasCommandsChangedCounter.Should().Be(2, "Adding a command should update HasCommands"); // Case 2: Remove command // Act testSubject.Remove(cmd1); // Assert hasCommandsChangedCounter.Should().Be(3, "Adding a command should update HasCommands"); // Case 3: Update command // Act testSubject[0] = cmd1; // Assert hasCommandsChangedCounter.Should().Be(4, "Adding a command should update HasCommands"); }
private static ContextualCommandViewModel AssertCommandExists(ContextualCommandsCollection commands, ICommand realCommand) { ContextualCommandViewModel[] commandsArr = commands.Where(c => c.InternalRealCommand.Equals(realCommand)).ToArray(); AssertExpectedNumberOfCommands(commandsArr, 1); return(commandsArr[0]); }
private static ContextualCommandViewModel AssertCommandExists(ContextualCommandsCollection commands, ICommand realCommand) { ContextualCommandViewModel[] commandsArr = commands.Where(c => c.InternalRealCommand.Equals(realCommand)).ToArray(); AssertExpectedNumberOfCommands(commandsArr, 1); return commandsArr[0]; }