@Test
public void buildChildren_WithNoDatabaseDataContainingChildren_DoesntAddDummyChildToTreeNode() {
UUID parentId = randomUUID();
ArrayList<TreeNode> children = new ArrayList<TreeNode>();
ProductCategoryDAO prodCatDAO = mock(ProductCategoryDAO.class);
Mockito.when(prodCatDAO.getChildCategories(parentId))
.thenReturn(asList(new ProductCategoryAggregate(null, "One", 0L)));
TreeNodeBuilderImpl builder = new TreeNodeBuilderImpl(prodCatDAO);
builder.buildChildren(children, new TreeModel("ProdCat1", parentId));
assertThat(children.size(), is(0));
}
@Test
public void buildChildren_WithExistingDummyChild_RemovesDummyChildInTreeNode() {
UUID parentId = randomUUID();
List<TreeNode> children = new ArrayList<TreeNode>();
children.add(new DefaultTreeNode(-1));
ProductCategoryDAO prodCatDAO = mock(ProductCategoryDAO.class);
Mockito.when(prodCatDAO.getChildCategories(parentId))
.thenReturn(asList(new ProductCategoryAggregate(null, "One", 0L)));
TreeNodeBuilderImpl builder = new TreeNodeBuilderImpl(prodCatDAO);
builder.buildChildren(children, new TreeModel("ProdCat1", parentId));
assertThat(children.size(), is(1));
assertThat(children.get(0).getChildCount(), is(0));
}