def test_breadth_first_binarytree_with_letters():
tree = BinaryTree()
tree._root = _Node(8)
tree._root.left = _Node("a")
tree._root.right = _Node(-2)
assert BinaryTree.breadth_first(tree) == [8, "a", -2]
tree._root.left.left = _Node(195)
tree._root.left.right = _Node("cat")
tree._root.right.right = _Node(8)
tree._root.left.left.left = _Node(-0.56)
tree._root.left.left.right = _Node(9)
tree._root.right.right.right = _Node(23)
tree._root.right.right.right.left = _Node([5, 7])
assert BinaryTree.breadth_first(tree) == [
8, "a", -2, 195, "cat", 8, -0.56, 9, 23, [5, 7]
]
def test_easy_queue_breadth():
tree = BinaryTree()
Node1 = Node(8)
Node2 = Node(9)
Node3 = Node(10)
Node1.left = Node2
Node1.right = Node3
tree.root = Node1
actual = tree.breadth_first()
expected = [8,9,10]
assert actual == expected
def test_breadth():
bt = BinaryTree()
bst = BinarySearchTree()
bt.add(4)
bt.add(7)
bt.add(5)
bt.add(9)
bt.add(2)
bt.add(30)
bt.add(-1)
actual = bt.breadth_first()
expected = [4, 7, 5, 9, 2, 30, -1]
assert actual == expected
def test_breadth_first_properly_walks_through_and_collects_values():
x = BinaryTree()
a = Node(1)
b = Node(2)
c = Node(3)
d = Node(4)
e = Node(5)
f = Node(6)
x.root = a
x.root.left = b
x.root.right = c
x.root.left.left = d
x.root.left.right = e
x.root.right.left = f
actual = x.breadth_first()
expected = [1, 2, 3, 4, 5, 6]
assert actual == expected
def test_breadth_first_properly_walks_through_and_collects_values_in_asym_tree(
):
x = BinaryTree()
a = Node(1)
b = Node(2)
c = Node(3)
d = Node(4)
e = Node(5)
f = Node(6)
g = Node(7)
h = Node(8)
i = Node(9)
x.root = a
x.root.left = b
x.root.right = c
x.root.left.left = d
x.root.left.right = e
x.root.left.left.left = f
x.root.left.left.right = g
x.root.right.right = h
x.root.right.right.right = i
actual = x.breadth_first()
expected = [1, 2, 3, 4, 5, 8, 6, 7, 9]
assert actual == expected
def test_breadth_first_raises_error_with_empty_tree():
x = BinaryTree()
with pytest.raises(Nope):
x.breadth_first()
walk_one(node.right)
walk_one(tree_one.root)
def walk_two(node):
if node is None:
return
if node.value in seen:
result.append(node.value)
walk_two(node.left)
walk_two(node.right)
walk_two(tree_two.root)
return result
if __name__ == "__main__":
t1 = BinaryTree()
t2 = BinaryTree()
t1_list = [2, 6, 1, 5, 10, 9, 3, 2]
t2_list = [22, 4, 6, 5, 9]
for num in t1_list:
t1.breadth_add(num)
for num in t2_list:
t2.breadth_add(num)
print(t1.breadth_first())
print(t2.breadth_first())
print(tree_intersection(t1, t2))
def test_empty_queue_breadth():
tree = BinaryTree()
actual = tree.breadth_first()
expected = "No bueno"
assert actual == expected
def test_single_breadth():
tree = BinaryTree()
tree.root = Node(8)
actual = tree.breadth_first()
expected = [8]
assert actual == expected
def test_breadth_first_binarytree_one_element():
tree = BinaryTree()
tree._root = _Node(8)
assert BinaryTree.breadth_first(tree) == [8]
def test_breadth_first_binarytree_empty():
tree = BinaryTree()
assert BinaryTree.breadth_first(tree) == []
def test_breadth_first_binarysearch(my_bst):
assert BinaryTree.breadth_first(my_bst) == [
15, 11, 19, 7, 13, 17, 23, 5, 8
]
