def test_get_child_heights(self):
mock_node = mock.Mock()
mock_node.left_node.height = 2
mock_node.right_node.height = 3
lh, rh = avl.AVLGeneTree()._get_child_heights(mock_node)
self.assertEqual(lh, 2)
self.assertEqual(rh, 3)
def _insert_into_map(tree_map, chromosome, gene_block):
if not tree_map.get(chromosome):
tree_map[chromosome] = gene_block
else:
root = tree_map[chromosome]
tree_map[chromosome] = avl.AVLGeneTree().insert(root, gene_block)
return tree_map
def test_search_coordinate_greater_than_root(self):
mock_left = mock.Mock(start=0, end=1, gene_name="FAILED")
mock_right = mock.Mock(start=4, end=5, gene_name="SUCCESS")
mock_node = mock.Mock(start=2,
end=3,
left_node=mock_left,
right_node=mock_right)
result = avl.AVLGeneTree().search(mock_node, 4)
self.assertEqual(result.gene_name, 'SUCCESS')
def test_insert_rr_left_rotate_called(self, mock_rotate_left,
mock_rotate_right, mock_height):
mock_root = mock.Mock(start=5)
mock_root.right_node = mock.Mock(start=10, right_node=None)
mock_rotate_left.return_value = mock_root.right_node
mock_node = mock.Mock(start=15)
avl.AVLGeneTree._calc_balance = lambda y, x: -2 if x == mock_root else 0
avl.AVLGeneTree().insert(mock_root, mock_node)
mock_rotate_left.assert_called_with(mock_root)
mock_rotate_right.assert_not_called()
def annotate_file(tab_filepath, tree_map):
with open(tab_filepath, 'r+') as f:
lines = f.readlines()
for i in range(0, len(lines)):
parsed_line = lines[i].split('\t')
root_node = tree_map.get(parsed_line[0])
if root_node:
coordinate = int(parsed_line[1][:-1])
gene_block = avl.AVLGeneTree().search(root_node, coordinate)
lines[i] = lines[i].replace(
'\n', '') + f" \t{gene_block.gene_name}\n"
else:
lines[i] = lines[i].replace('\n', '') + ' \t\tUNKNOWN\n'
f.seek(0)
f.writelines(lines)
def test_insert_merge_called(self, mock_merge, mock_height, mock_balance):
mock_root = mock.Mock(start=10, annotations=[mock.Mock()])
mock_node = mock.Mock(start=10, annotations=[mock.Mock(), mock.Mock()])
mock_root = avl.AVLGeneTree().insert(mock_root, mock_node)
mock_merge.assert_called_once()
def test_insert_right_insert_called(self, mock_height, mock_balance):
mock_root = mock.Mock(start=10)
mock_root.right_node = None
mock_node = mock.Mock(start=20)
mock_root = avl.AVLGeneTree().insert(mock_root, mock_node)
self.assertEqual(mock_root.right_node, mock_node)
def test_insert_empty_root(self):
mock_root = None
mock_node = mock.Mock()
mock_root = avl.AVLGeneTree().insert(mock_root, mock_node)
self.assertEqual(mock_root, mock_node)
def test_merge(self):
gen_anno = lambda x: [mock.Mock() for i in range(0, x)]
mock_root = mock.Mock(annotations=gen_anno(2))
mock_node = mock.Mock(annotations=gen_anno(5))
mock_root = avl.AVLGeneTree()._merge(mock_root, mock_node)
self.assertEqual(len(mock_root.annotations), 5)
def test_calc_height(self, mock_height):
mock_height.return_value = (1, 2)
result = avl.AVLGeneTree()._calc_height(mock.Mock())
self.assertEqual(result, 3)
def test_search_node_unkown(self):
result = avl.AVLGeneTree().search(None, 0)
self.assertEqual(result.gene_name, 'UNKNOWN')
