public void DeletingAnItemResetsIndexes()
{
var child0 = new TestTreeItem(0);
var child1 = new TestTreeItem(1);
var child2 = new TestTreeItem(2);
var child3 = new TestTreeItem(3);
var child4 = new TestTreeItem(4);
var parent = new TestTreeItem(0, child0, child1, child2, child3, child4);
child2.Delete();
for (int i = 0; i < parent.Children.Count; ++i)
{
parent.Children[i].Index.Should().Be(i);
}
parent.Children.Should().HaveCount(4);
parent.Children[0].Should().Be(child0);
parent.Children[1].Should().Be(child1);
parent.Children[2].Should().Be(child3);
parent.Children[3].Should().Be(child4);
}
public void MovingItemsResetsGuardProperties()
{
var child0 = new TestTreeItem(0);
var child1 = new TestTreeItem(1);
var child2 = new TestTreeItem(2);
var child3 = new TestTreeItem(3);
var child4 = new TestTreeItem(4);
var parent = new TestTreeItem(0, child0, child1, child2, child3, child4);
child0.CanMoveUp.Should().BeFalse();
child1.CanMoveUp.Should().BeTrue();
child1.MoveUp();
child0.CanMoveUp.Should().BeTrue();
child1.CanMoveUp.Should().BeFalse();
child3.CanMoveDown.Should().BeTrue();
child4.CanMoveDown.Should().BeFalse();
child3.MoveDown();
child3.CanMoveDown.Should().BeFalse();
child4.CanMoveDown.Should().BeTrue();
}
public void FirstItemCannotMoveUpButSubsequentOnesCan()
{
var child0 = new TestTreeItem(0);
var child1 = new TestTreeItem(1);
var child2 = new TestTreeItem(2);
var child3 = new TestTreeItem(3);
var child4 = new TestTreeItem(4);
var parent = new TestTreeItem(0, child0, child1, child2, child3, child4);
child0.CanMoveUp.Should().BeFalse();
child1.CanMoveUp.Should().BeTrue();
child2.CanMoveUp.Should().BeTrue();
child3.CanMoveUp.Should().BeTrue();
child4.CanMoveUp.Should().BeTrue();
}
public void ItemsWithParentCanBeDeleted()
{
var child0 = new TestTreeItem(0);
var child1 = new TestTreeItem(1);
var child2 = new TestTreeItem(2);
var child3 = new TestTreeItem(3);
var child4 = new TestTreeItem(4);
var parent = new TestTreeItem(0, child0, child1, child2, child3, child4);
parent.CanDelete.Should().BeFalse();
child0.CanDelete.Should().BeTrue();
child1.CanDelete.Should().BeTrue();
child2.CanDelete.Should().BeTrue();
child3.CanDelete.Should().BeTrue();
child4.CanDelete.Should().BeTrue();
}
public void MovingAnItemDownPreservesIndexes()
{
var child0 = new TestTreeItem(0);
var child1 = new TestTreeItem(1);
var child2 = new TestTreeItem(2);
var child3 = new TestTreeItem(3);
var child4 = new TestTreeItem(4);
var parent = new TestTreeItem(0, child0, child1, child2, child3, child4);
child2.MoveDown();
for (int i = 0; i < parent.Children.Count; ++i)
{
parent.Children[i].Index.Should().Be(i);
}
parent.Children[0].Should().Be(child0);
parent.Children[1].Should().Be(child1);
parent.Children[2].Should().Be(child3);
parent.Children[3].Should().Be(child2);
parent.Children[4].Should().Be(child4);
}
public static async Task GenerateTreeItems(this INextApiApplication application)
{
using var db = application.ResolveDbContext <ITestDbContext>();
var mainTree = new TestTreeItem
{
Id = 1,
Name = "Node1",
ParentId = null,
Children = new Collection <TestTreeItem>
{
new TestTreeItem
{
Id = 2,
Name = "Node1_1",
ParentId = 1,
Children = new Collection <TestTreeItem>
{
new TestTreeItem {
Id = 3, Name = "Node1_1_1", ParentId = 2
}
}
},
new TestTreeItem
{
Id = 4,
Name = "Node1_2",
ParentId = 1,
Children = new Collection <TestTreeItem>
{
new TestTreeItem {
Id = 5, Name = "Node1_2_1", ParentId = 4
}
}
},
new TestTreeItem
{
Id = 6,
Name = "Node1_3",
ParentId = 1,
Children = new Collection <TestTreeItem>
{
new TestTreeItem {
Id = 7, Name = "Node1_3_1", ParentId = 6
}
}
}
}
};
var sampleTestTreeItems = new List <TestTreeItem>();
for (var i = 8; i < 38; i++)
{
sampleTestTreeItems.Add(new TestTreeItem {
Id = i, Name = $"Node{i}"
});
}
await db.Context.TestTreeItems.AddAsync(mainTree);
await db.Context.TestTreeItems.AddRangeAsync(sampleTestTreeItems);
await db.Context.SaveChangesAsync();
}
