public async Task DeleteTabCommand_ShouldDeleteTabs_AndPreserveInitialDefaultTab()
{
var tab1 = await TabGenerator.CreateTab(order : 0);
var tab2 = await TabGenerator.CreateTab(order : 1);
_viewModel.LoadTabsCommand.Execute();
// 1. Deleting the first item
var tabItem1 = _viewModel.Tabs.First(t => t.Id == tab1.Id);
var tabItem2 = _viewModel.Tabs.First(t => t.Id == tab2.Id);
_viewModel.DeleteTabCommand.Execute(tabItem1);
Assert.DoesNotContain(_viewModel.Tabs, t => t.Id == tab1.Id);
// 2. Deleting the second item
_viewModel.DeleteTabCommand.Execute(tabItem2);
Assert.DoesNotContain(_viewModel.Tabs, t => t.Id == tab2.Id);
// 3. Initial default tab is preserved
Assert.Single(_viewModel.Tabs);
Assert.Equal(DefaultValues.DefaultTabName, _viewModel.Tabs[0].Header);
// 4. Making sure the tabs were deleted after reloading
_viewModel.LoadTabsCommand.Execute();
Assert.Single(_viewModel.Tabs);
}
public async Task LoadTabsCommand_ShouldLoadAllTabsWithInitialDefaultTab()
{
_viewModel.LoadTabsCommand.Execute();
Assert.Single(_viewModel.Tabs);
var tab1 = await TabGenerator.CreateTab(order : 1);
var tab2 = await TabGenerator.CreateTab(order : 2);
_viewModel.LoadTabsCommand.Execute();
AssertItemInCollection(_viewModel.Tabs, tab1);
AssertItemInCollection(_viewModel.Tabs, tab2);
}