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How to use set_parent method in fMBT

Best Python code snippet using fMBT_python

test_p2_tree_height.py

Source:test_p2_tree_height.py

...20        assert cathy.parent is None21        root.add_child(cathy)22        assert cathy in root.children23        assert cathy.parent is root24    def test_set_parent(self):25        """Test Node.set_parent method."""26        root = Node('Les')27        cathy = Node('Cathy')28        assert root.children == []29        assert cathy.parent is None30        cathy.set_parent(root)31        assert cathy in root.children32        assert cathy.parent is root33    def test_depth_first_traversal(self):34        """Test Node.depth_first_traversal method."""35        root = Node('Les')36        cathy = Node('Cathy')37        alex = Node('Alex')38        frank = Node('Frank')39        cathy.add_child(alex)40        cathy.add_child(frank)41        cathy.set_parent(root)42        sam = Node('Sam')43        nancy = Node('Nancy')44        sam.add_child(nancy)45        sam.set_parent(root)46        violet = Node('Violet')47        tony = Node('Tony')48        wendy = Node('Wendy')49        violet.add_child(tony)50        violet.add_child(wendy)51        violet.set_parent(sam)52        assert list(root.depth_first_traversal()) == [53            root, sam, violet, wendy, tony, nancy, cathy, frank, alex54        ]55    def test_breadth_first_traversal(self):56        """Test Node.breadth_first_traversal method."""57        root = Node('Les')58        cathy = Node('Cathy')59        alex = Node('Alex')60        frank = Node('Frank')61        cathy.add_child(alex)62        cathy.add_child(frank)63        cathy.set_parent(root)64        sam = Node('Sam')65        nancy = Node('Nancy')66        sam.add_child(nancy)67        sam.set_parent(root)68        violet = Node('Violet')69        tony = Node('Tony')70        wendy = Node('Wendy')71        violet.add_child(tony)72        violet.add_child(wendy)73        violet.set_parent(sam)74        assert list(root.breadth_first_traversal()) == [75            root,76            cathy, sam,77            alex, frank,78            nancy, violet,79            tony, wendy80        ]81    def test_get_height(self):82        """Test Node.get_height method."""83        root = Node('Les')84        assert root.get_height() == 185        cathy = Node('Cathy')86        cathy.add_child(Node('Alex'))87        cathy.add_child(Node('Frank'))88        cathy.set_parent(root)89        sam = Node('Sam')90        sam.add_child(Node('Nancy'))91        sam.set_parent(root)92        violet = Node('Violet')93        violet.add_child(Node('Tony'))94        violet.add_child(Node('Wendy'))95        violet.set_parent(sam)96        assert root.get_height() == 497        assert cathy.get_height() == 298        assert sam.get_height() == 399        assert violet.get_height() == 2100    def test_get_size(self):101        """Test Node.get_size method."""102        root = Node('Les')103        assert root.get_size() == 1104        cathy = Node('Cathy')105        cathy.add_child(Node('Alex'))106        cathy.add_child(Node('Frank'))107        cathy.set_parent(root)108        sam = Node('Sam')109        sam.add_child(Node('Nancy'))110        sam.set_parent(root)111        violet = Node('Violet')112        violet.add_child(Node('Tony'))113        violet.add_child(Node('Wendy'))114        violet.set_parent(sam)115        assert root.get_size() == 9116        assert cathy.get_size() == 3117        assert sam.get_size() == 5118        assert violet.get_size() == 3119class TestSolution:120    """Test Problem 2 solution."""121    @pytest.mark.parametrize('example,expected', [122        ('4 -1 4 1 1', 3),123        ('-1 0 4 0 3', 4),124    ])125    def test_examples(self, example, expected):126        """Test examples given in problem statement."""127        assert solve_string(example) == expected128    def test_very_high(self):...

cousin.py

Source:cousin.py

...15    >>> a = Node("a")16    >>> b = Node("b")17    >>> c = Node("c")18    >>> d = Node("d")19    >>> b.set_parent(a)20    >>> c.set_parent(a)21    >>> d.set_parent(a)22    >>> e = Node("e")23    >>> f = Node("f")24    >>> g = Node("g")25    >>> h = Node("h")26    >>> i = Node("i")27    >>> j = Node("j")28    >>> e.set_parent(b)29    >>> f.set_parent(b)30    >>> g.set_parent(c)31    >>> h.set_parent(c)32    >>> i.set_parent(d)33    >>> j.set_parent(d)34    >>> k = Node("k")35    >>> l = Node("l")36    >>> k.set_parent(f)37    >>> l.set_parent(h)38Let's find the cousins for b::39    >>> b.cousins() == {c, d}40    True41    >>> c.cousins() == {b, d}42    True43    >>> e.cousins() == {f, g, h, i, j}44    True45    >>> k.cousins() == {l}46    True47The root node has no cousins::48    >>> a.cousins() == set()49    True50"""51class Node(object):52    """Doubly-linked node in a tree.53        >>> na = Node("na")54        >>> nb1 = Node("nb1")55        >>> nb2 = Node("nb2")56        >>> nb1.set_parent(na)57        >>> nb2.set_parent(na)58        >>> na.children59        [<Node nb1>, <Node nb2>]60        >>> nb1.parent61        <Node na>62    """63    parent = None64    def __init__(self, data):65        self.children = []66        self.data = data67    def __repr__(self):68        return "<Node %s>" % self.data69    def set_parent(self, parent):70        """Set parent of this node.71        Also sets the children of the parent to include this node.72        """73        self.parent = parent74        parent.children.append(self)75    def cousins(self):76        """Find nodes on the same level as this node."""77if __name__ == '__main__':78    import doctest79    if doctest.testmod().failed == 0:...

ontologynode_test.py

Source:ontologynode_test.py

...14l = OntologyNode('Baker Brook')15m = OntologyNode('Bathurst')16n = OntologyNode('Dieppe')1718b.set_parent(a)19a.add_child(b)20c.set_parent(a)21a.add_child(c)22d.set_parent(b)23b.add_child(d)24e.set_parent(b)25b.add_child(e)26k.set_parent(b)27b.add_child(k)28f.set_parent(d)29d.add_child(f)30g.set_parent(d)31d.add_child(g)32h.set_parent(e)33e.add_child(h)34i.set_parent(e)35e.add_child(i)36j.set_parent(e)37e.add_child(j)38l.set_parent(k)39k.add_child(l)40m.set_parent(k)41k.add_child(m)42n.set_parent(k)43k.add_child(n)4445root = a4647print(' '.join(get_ancestors(root, f)))48print(' '.join(get_all_leafnodes(root, f)))49print(' '.join(get_all_descendants(root, d)))50# print(getUpper(root,k,list))51l = get_all_descendants(root, d)52print('l is :', ' '.join([e for e in l]))53assert b.get_level() == 1  # b is Canada54assert value_to_node(a, "ON") == d  # d is ON5556assert get_node_by_level(root, f, 2).get_value() == "ON"  # f is Hamilton
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