public void InitializeTest()
{
// Arrange.
var model = Mock.Create<ProcessDataTriggerEdit>(Behavior.Loose);
var parentViewModel = Mock.Create<IProcessDataTriggersViewModel>(Behavior.Loose);
var parentProcess = Mock.Create<ProcessEdit>(Constructor.Mocked, Behavior.Strict);
var parentWindow = Mock.Create<ITopLevelWindow>(Behavior.Strict);
var unitOfWork = Mock.Create<ProcessEditRetriever>(Constructor.Mocked, Behavior.Strict);
var storedProcedureNames = new List<string>();
Mock.Arrange(() => unitOfWork.RuntimeDatabaseProcedures).Returns(storedProcedureNames);
Mock.Arrange(() => parentViewModel.Model).Returns(parentProcess);
Mock.Arrange(() => parentViewModel.Parent).Returns(parentWindow);
Mock.Arrange(() => parentViewModel.UnitOfWork).Returns(unitOfWork);
var vm = new StoredProcedureDataTriggerViewModel();
// Act.
vm.Initialize(model, parentViewModel);
// Assert.
Assert.AreSame(model, vm.Model);
Assert.AreSame(parentViewModel, vm.ParentViewModel);
Assert.AreSame(parentProcess, vm.ParentProcess);
Assert.AreSame(parentWindow, vm.ParentWindow);
Assert.AreSame(storedProcedureNames, vm.RuntimeDatabaseProcedures);
// Argument validation.
TestsHelper.VerifyThrow<ArgumentNullException>(() => vm.Initialize(null, parentViewModel));
TestsHelper.VerifyThrow<ArgumentNullException>(() => vm.Initialize(model, null));
}
public void CanUpdateParametersTest()
{
// Arrange.
var model = Mock.Create<ProcessDataTriggerEdit>(Behavior.Loose);
var parentViewModel = Mock.Create<IProcessDataTriggersViewModel>(Behavior.Loose);
// Assert - when model is null, cannot execute UpdateParametersCommand.
var vm = new StoredProcedureDataTriggerViewModel();
Assert.IsFalse(vm.UpdateParametersCommand.CanExecute(null));
// Assert - when StoredProcedureName is empty, cannot execute UpdateParametersCommand.
vm.Initialize(model, parentViewModel);
Assert.IsFalse(vm.UpdateParametersCommand.CanExecute(null));
// Assert - when StoredProcedureName is not empty, can execute UpdateParametersCommand.
Mock.Arrange(() => model.StoredProcedureName).Returns("Test");
Assert.IsTrue(vm.UpdateParametersCommand.CanExecute(null));
}
public void ExecuteUpdateParametersTest()
{
// Arrange.
const string ProcedureName = "TestProcedure";
var model = ProcessDataTriggerEdit.NewProcessDataTrigger();
var oldParam1 = DataTriggerStoredProcedureParameterEdit.NewParameter();
var oldParam2 = DataTriggerStoredProcedureParameterEdit.NewParameter();
model.StoredProcedureParameters.Add(oldParam1);
model.StoredProcedureParameters.Add(oldParam2);
model.StoredProcedureName = ProcedureName;
var parentViewModel = Mock.Create<IProcessDataTriggersViewModel>(Behavior.Loose);
var vm = new StoredProcedureDataTriggerViewModel();
vm.Initialize(model, parentViewModel);
var newParam1 = DataTriggerStoredProcedureParameterEdit.NewParameter();
var newParam2 = DataTriggerStoredProcedureParameterEdit.NewParameter();
var newParam3 = DataTriggerStoredProcedureParameterEdit.NewParameter();
var retriever = Mock.Create<StoredProcedureParametersRetriever>(Behavior.Loose);
Mock.Arrange(() => retriever.Parameters).Returns(new[] { newParam1, newParam2, newParam3 });
Mock.Arrange(() => StoredProcedureParametersRetriever.GetParametersAsync(ProcedureName)).Returns(TaskEx.FromResult(retriever));
// Act.
vm.UpdateParametersCommand.Execute(null);
// Assert.
Assert.AreEqual(3, model.StoredProcedureParameters.Count);
Assert.IsTrue(model.StoredProcedureParameters.Contains(newParam1));
Assert.IsTrue(model.StoredProcedureParameters.Contains(newParam2));
Assert.IsTrue(model.StoredProcedureParameters.Contains(newParam3));
}
public void UpdateStoredProceduresCommand_WhenExecuted_UpdatesRuntimeDatabaseProcedures()
{
// Arrange.
var model = ProcessDataTriggerEdit.NewProcessDataTrigger();
var parentViewModel = Mock.Create<IProcessDataTriggersViewModel>(Behavior.Loose);
var vm = new StoredProcedureDataTriggerViewModel();
vm.Initialize(model, parentViewModel);
var storedProcedures = new List<string> { "Proc1", "Proc2" };
var retriever = Mock.Create<StoredProceduresRetriever>(Behavior.Loose);
Mock.Arrange(retriever, x => x.StoredProcedures).Returns(storedProcedures);
Mock.Arrange(() => StoredProceduresRetriever.GetProceduresAsync()).Returns(TaskEx.FromResult(retriever));
var changedProperties = new HashSet<string>();
vm.PropertyChanged += (sender, args) => changedProperties.Add(args.PropertyName);
// Act.
vm.UpdateStoredProceduresCommand.Execute(null);
// Assert.
Assert.IsTrue(
changedProperties.Contains(ReflectionHelper.GetProperty<StoredProcedureDataTriggerViewModel>(x => x.RuntimeDatabaseProcedures).Name));
Assert.AreSame(storedProcedures, vm.RuntimeDatabaseProcedures);
}
public void RemoveParameterCommand_WhenExecuted_RemovesParameter()
{
// Arrange.
var model = ProcessDataTriggerEdit.NewProcessDataTrigger();
var parameter1 = DataTriggerStoredProcedureParameterEdit.NewParameter();
model.StoredProcedureParameters.Add(parameter1);
var parameter2 = DataTriggerStoredProcedureParameterEdit.NewParameter();
model.StoredProcedureParameters.Add(parameter2);
var parentViewModel = Mock.Create<IProcessDataTriggersViewModel>(Behavior.Loose);
var vm = new StoredProcedureDataTriggerViewModel();
vm.Initialize(model, parentViewModel);
// Act.
vm.RemoveParameterCommand.Execute(parameter2);
// Assert.
Assert.AreEqual(1, model.StoredProcedureParameters.Count);
Assert.IsFalse(model.StoredProcedureParameters.Contains(parameter2));
}
public void AddParameterCommand_WhenExecuted_AddsNewParameter()
{
// Arrange.
var model = ProcessDataTriggerEdit.NewProcessDataTrigger();
var parentViewModel = Mock.Create<IProcessDataTriggersViewModel>(Behavior.Loose);
var vm = new StoredProcedureDataTriggerViewModel();
vm.Initialize(model, parentViewModel);
// Act.
vm.AddParameterCommand.Execute(null);
// Assert.
Assert.AreEqual(1, model.StoredProcedureParameters.Count);
}
public void WhenProcedureNameChanges_UpdateParametersCommand_RaisesCanExecuteChanged()
{
// Arrange.
var model = ProcessDataTriggerEdit.NewProcessDataTrigger();
var parentViewModel = Mock.Create<IProcessDataTriggersViewModel>(Behavior.Loose);
var vm = new StoredProcedureDataTriggerViewModel();
vm.Initialize(model, parentViewModel);
bool? canExecute = null;
vm.UpdateParametersCommand.CanExecuteChanged += (sender, args) => canExecute = vm.UpdateParametersCommand.CanExecute(null);
// Act.
model.StoredProcedureName = "TestProcedure";
// Assert.
Assert.AreEqual(true, canExecute);
}
public void EditParameterValueCommandTest()
{
// Arrange.
var model = ProcessDataTriggerEdit.NewProcessDataTrigger();
var parentViewModel = Mock.Create<IProcessDataTriggersViewModel>(Behavior.Loose);
var parentProcess = Mock.Create<ProcessEdit>(Constructor.Mocked, Behavior.Strict);
Mock.Arrange(() => parentViewModel.Model).Returns(parentProcess);
var parentWindow = Mock.Create<ITopLevelWindow>(Behavior.Strict);
Mock.Arrange(() => parentViewModel.Parent).Returns(parentWindow);
var expressionDesinger = Mock.Create<IStoredProcedureParameterExpressionDesignerViewModel>();
var vm = new StoredProcedureDataTriggerViewModel { ExpressionDesigner = expressionDesinger };
vm.Initialize(model, parentViewModel);
// Act / Assert.
Assert.IsFalse(vm.EditParameterValueCommand.CanExecute(null));
var parameter = DataTriggerStoredProcedureParameterEdit.NewParameter();
Assert.IsTrue(vm.EditParameterValueCommand.CanExecute(parameter));
vm.EditParameterValueCommand.Execute(parameter);
Mock.Assert(() => expressionDesinger.EditExpression(parentWindow, parentProcess, parameter), Occurs.Once());
}
/// <summary>
/// Handles the <see cref="INotifyPropertyChanged.PropertyChanged" /> event.
/// </summary>
/// <param name="viewModel">The view model.</param>
/// <param name="sender">The sender.</param>
/// <param name="e">The <see cref="PropertyChangedEventArgs"/> instance containing the event data.</param>
private static void OnModelPropertyChanged(StoredProcedureDataTriggerViewModel viewModel, object sender, PropertyChangedEventArgs e)
{
if (e.PropertyName == ProcessDataTriggerEdit.StoredProcedureNameProperty.Name)
{
viewModel.RaisePropertyChanged(() => viewModel.StoredProcedureName);
((IActionCommand)viewModel.UpdateParametersCommand).RaiseCanExecuteChanged();
}
}