public void GettingSelectedItem_AfterSelectedItemIsRemovedFromTheList_ReturnsTheItemSuppliedByTheSelectionPolicy
()
{
ITestItem firstItem = new Mock <ITestItem>().Object;
ITestItem secondItem = new Mock <ITestItem>().Object;
_stubModels.Add(firstItem);
_stubModels.Add(secondItem);
TestSingleItemSelector test = BuildTestSubject();
_fakeSelectionPolicy.
Setup(x => x.ModifySelectedItem(test, firstItem)).
Returns(firstItem);
_fakeSelectionPolicy.
Setup(x => x.ModifySelectedItem(test, null)).
Returns(firstItem);
test.Initialize();
_fakeSelectionPolicy.
Setup(x => x.ModifySelectedItem(test, null)).
Returns(secondItem);
_stubModels.Remove(firstItem);
Assert.Same(secondItem, test.SelectedItem);
}
public void GettingSelectedItem_WhenThereAreNoItems_IsNull()
{
TestSingleItemSelector test = BuildTestSubject();
test.Initialize();
Assert.Null(test.SelectedItem);
}
public void GettingSelectedItem_WhenAnItemIsAddedToAnEmptyList_ChangesToTheItemGivenByPolicy()
{
TestSingleItemSelector test = BuildTestSubject();
ITestItem item = new Mock <ITestItem>().Object;
test.Initialize();
_fakeSelectionPolicy.
Setup(x => x.ModifySelectedItem(test, (ITestItem)null)).
Returns(item);
test.AssertThatChangeNotificationIsRaisedBy(x => x.SelectedItem)
.When(() => _stubModels.Add(item));
Assert.Same(item, test.SelectedItem);
}
public void GettingSelectedItem_Initially_ReturnsItemFromSelectionPolicy()
{
ITestItem firstItem = new Mock <ITestItem>().Object;
_stubModels.Add(firstItem);
_stubModels.Add(new Mock <ITestItem>().Object);
_stubModels.Add(new Mock <ITestItem>().Object);
_fakeSelectionPolicy.
Setup(x => x.ModifySelectedItem(It.IsAny <TestSingleItemSelector>(), null)).
Returns(firstItem).
Verifiable();
TestSingleItemSelector test = BuildTestSubject();
test.Initialize();
Assert.Same(firstItem, test.SelectedItem);
_fakeSelectionPolicy.VerifyAll();
}