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# -*- coding: utf-8 -*-
from nose.tools import *
import pygraphviz as pgv
def test_del():
A = pgv.AGraph()
A.add_node(1,foo='bar')
# For some reasons after porting to Python 3 clear often cause infinite loop
A.delete_node('1')
assert_equal(len(A), 0)
def test_clear_node_with_attributes():
A = pgv.AGraph()
A.add_node(1,foo='bar')
# For some reasons after porting to Python 3 clear often cause infinite loop
A.clear()
assert_equal(len(A), 0)
assert_equal(A.nodes(), [])
assert_equal(A.node_attr.keys(), [])
def test_clear_graph_attributes():
A = pgv.AGraph()
A.add_node(1,foo='bar')
A.graph_attr.update(landscape='true',ranksep='0.1')
# For some reasons after porting to Python 3 clear often cause infinite loop
A.clear()
assert_equal(len(A), 0)
assert_equal(A.nodes(), [])
assert_equal(A.node_attr.keys(), [])
assert_equal(A.graph_attr.keys(), [])
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