def test_simple_chain(self):
edge_fn = edge_function({'A': 'B'})
output = StringIO()
objgraph._show_graph([TestObject.get("A")], edge_fn, False,
output=output, shortnames=True)
output_value = output.getvalue()
label_a = objgraph._obj_node_id(TestObject.get("A"))
label_b = objgraph._obj_node_id(TestObject.get("B"))
self.assertEqual(output_value,
format(TWO_ELEMENT_OUTPUT,
label_a=label_a,
label_b=label_b))
def test_cull_func(self):
edge_fn = edge_function({'A': 'B', 'B': 'C'})
output = StringIO()
objgraph._show_graph([TestObject.get("A")],
edge_fn,
False,
output=output,
shortnames=True,
cull_func=lambda obj: obj.name == 'B')
output_value = output.getvalue()
label_a = objgraph._obj_node_id(TestObject.get("A"))
label_b = objgraph._obj_node_id(TestObject.get("B"))
self.assertEqual(
output_value,
format(TWO_ELEMENT_OUTPUT, label_a=label_a, label_b=label_b))
def test_basic_file_output(self):
obj = TestObject()
output = StringIO()
objgraph._show_graph([obj], empty_edge_function, False, output=output)
output_value = output.getvalue()
self.assertRegex(output_value, r'digraph ObjectGraph')
self.assertRegex(output_value,
r'%s\[.*?\]' % objgraph._obj_node_id(obj))
def test_basic_file_output(self):
obj = TestObject.get("A")
output = StringIO()
objgraph._show_graph([obj], edge_function(), False, output=output,
shortnames=True)
output_value = output.getvalue()
label = objgraph._obj_node_id(obj)
self.assertEqual(output_value,
format(SINGLE_ELEMENT_OUTPUT,
label_a=label))
def test_basic_file_output(self):
obj = TestObject.get("A")
output = StringIO()
objgraph._show_graph([obj], edge_function(), False, output=output,
shortnames=True)
output_value = output.getvalue()
label = objgraph._obj_node_id(obj)
self.assertEqual(output_value,
format(SINGLE_ELEMENT_OUTPUT,
label_a=label))
def test_with_extra_node_attrs(self):
obj = TestObject.get("A")
output = StringIO()
objgraph._show_graph([obj],
edge_function(),
False,
output=output,
shortnames=True,
extra_node_attrs=lambda o: {'x': 'y'})
output_value = output.getvalue()
label = objgraph._obj_node_id(obj)
self.assertEqual(
output_value, format(SINGLE_ELEMENT_OUTPUT_WITH_ATTR,
label_a=label))