public void FindChildren_NoChildren_ReturnsEmpty() { // Arrange var treeContext = new DbTreeContext(); var parentId = Guid.NewGuid(); TreeNode[] expectedNodes = { new TreeNode { Id = Guid.NewGuid(), ParentId = parentId }, new TreeNode { Id = Guid.NewGuid(), ParentId = parentId } }; treeContext.Tree.Add(expectedNodes[0].Id, expectedNodes[0]); treeContext.Tree.Add(expectedNodes[1].Id, expectedNodes[1]); var dbTreeRepository = new DbTreeRepository(treeContext); // Act IEnumerable <TreeNode> nodes = dbTreeRepository.FindChildren(Guid.NewGuid()); // Assert Assert.That(nodes, Is.Empty); }
public void FindChildren_ParentIdIsNull_ReturnsRoot() { // Arrange var treeContext = new DbTreeContext(); var root = new TreeNode { Id = Guid.NewGuid() }; var node = new TreeNode { Id = Guid.NewGuid(), ParentId = Guid.NewGuid() }; treeContext.Tree.Add(root.Id, root); treeContext.Tree.Add(node.Id, node); var dbTreeRepository = new DbTreeRepository(treeContext); // Act IEnumerable <TreeNode> nodes = dbTreeRepository.FindChildren(null); // Assert Assert.That(nodes, Is.EquivalentTo(new[] { root })); }