public void ValueChangeUpdatesTargetProperty()
{
const string updatedValue = "Updated";
var target = new EditableStruct {
Text = "Initial"
};
var editorComponent = new EditorComponentVM <string>();
var propertyAdapter = EditableStructMetadata.TextProperty;
var sut = new ScalarPropertyDataEditor <EditableStruct, string, EditorComponentVM <string> >(propertyAdapter,
editorComponent);
// act
sut.MonitorEvents();
sut.EditableTarget = target;
sut.Component.Value = updatedValue;
// assert
sut.ShouldRaise("TargetUpdated")
.WithSender(sut);
sut.Component.Value.Should().Be(updatedValue);
}
public void ReadonlyStateIsAssignedToComponent()
{
var editorComponent = new EditorComponentVM <string>();
var propertyAdapter = EditableStructMetadata.ReadonlyTextProperty;
// act
var sut = new ScalarPropertyDataEditor <EditableStruct, string, EditorComponentVM <string> >(propertyAdapter, editorComponent);
// assert
sut.Component.IsReadOnly.Should().Be(EditableStructMetadata.ReadonlyTextProperty.IsReadOnly);
}
public void WhatWasSetIsWhatValueReturns()
{
var sut = new EditorComponentVM <string>();
var implicitSut = (IEditorComponent <string>)sut;
const string sample = "sample";
// act
implicitSut.SetValue(sample);
// assert
sut.Value.Should().Be(sample);
}
public void SetErrorRaisesPropertyChangeNotification()
{
var sut = new EditorComponentVM <string>();
const string error = "error";
// act
sut.MonitorEvents();
sut.SetError(error);
// assert
sut.ShouldRaisePropertyChangeFor(x => x.Value);
}
public void WhatWasAssignedToValueIsWhatGetValueReturns()
{
var sut = new EditorComponentVM <string>();
var implicitSut = (IEditorComponent <string>)sut;
const string sample = "sample";
// act
sut.Value = sample;
// assert
implicitSut.GetValue().Should().Be(sample);
}
public void SetValueRaisesPropertyChangeNotification()
{
var sut = new EditorComponentVM <string>();
var implicitSut = (IEditorComponent <string>)sut;
const string sample = "sample";
// act
sut.MonitorEvents();
implicitSut.SetValue(sample);
// assert
sut.ShouldRaisePropertyChangeFor(x => x.Value);
}
public void NonEmptyErrorMessageValueIsWhatErrorInterfaceReturns()
{
var sut = new EditorComponentVM <string>();
var implicitSut = (IDataErrorInfo)sut;
const string error = "error";
// act
sut.SetError(error);
// assert
implicitSut.Error.Should().Be(error);
implicitSut["Value"].Should().Be(error);
}
public void NullEditableTargetIsTolerated()
{
var editorComponent = new EditorComponentVM <string>();
var propertyAdapter = EditableClassMetadata.TextProperty;
var sut = new ScalarPropertyDataEditor <EditableClass, string, EditorComponentVM <string> >(propertyAdapter, editorComponent);
// act
sut.Component.MonitorEvents();
sut.EditableTarget = null;
// assert
sut.Component.Value.Should().Be(default(string));
}
public void EventIsRaisedWhenReadOnlyStateIsUpdated()
{
var sut = new EditorComponentVM <string>();
var implicitSut = (IEditorComponent <string>)sut;
const bool isReadOnly = true;
// act
implicitSut.MonitorEvents();
implicitSut.SetReadOnly(isReadOnly);
// assert
sut.ShouldRaisePropertyChangeFor(x => x.IsReadOnly);
sut.IsReadOnly.Should().Be(isReadOnly);
}
public void AssignedValueCausesEventToBeRaised()
{
var sut = new EditorComponentVM <string>();
var implicitSut = (IEditorComponent <string>)sut;
const string sample = "sample";
// act
implicitSut.MonitorEvents();
sut.Value = sample;
// assert
implicitSut.ShouldRaise("ValueUpdated")
.WithSender(implicitSut)
.WithArgs <EventArgs>(args => args == EventArgs.Empty);
}
public void ValueUpdateChangeReportedOnTargetUpdate()
{
var target = new EditableClass {
Text = "Initial"
};
var editorComponent = new EditorComponentVM <string>();
var propertyAdapter = EditableClassMetadata.TextProperty;
var sut = new ScalarPropertyDataEditor <EditableClass, string, EditorComponentVM <string> >(propertyAdapter, editorComponent);
// act
sut.Component.MonitorEvents();
sut.EditableTarget = target;
// assert
sut.Component.ShouldRaisePropertyChangeFor(x => x.Value);
sut.Component.Value.Should().Be(target.Text);
}
