def parse_line(self, line: str):
"""Parses a line of jdeps output.
The assumed format of the line starts with 'name_1 -> name_2'.
"""
parsed = line.split()
if len(parsed) <= 3:
return
if parsed[2] == 'not' and parsed[3] == 'found':
return
if parsed[1] != '->':
return
dep_from = parsed[0]
dep_to = parsed[2]
if not class_is_interesting(dep_from):
return
if not class_is_interesting(dep_to):
return
key_from, nested_from = class_dependency.split_nested_class_from_key(
dep_from)
key_to, nested_to = class_dependency.split_nested_class_from_key(
dep_to)
self._graph.add_node_if_new(key_from)
self._graph.add_node_if_new(key_to)
if key_from != key_to: # Skip self-edges (class-nested dependency)
self._graph.add_edge_if_new(key_from, key_to)
if nested_from is not None:
self._graph.add_nested_class_to_key(key_from, nested_from)
if nested_to is not None:
self._graph.add_nested_class_to_key(key_from, nested_to)
def test_split_nested_class_from_key_numeric(self):
"""Tests that the helper works for common jdeps output
(numeric class name, used for private nested classes)"""
part1, part2 = class_dependency.split_nested_class_from_key(
'pkg.name.class$1')
self.assertEqual(part1, 'pkg.name.class')
self.assertEqual(part2, '1')
def test_split_nested_class_from_key_numeric(self):
"""Tests that the helper works for jdeps' formatting of nested classes.
Specifically, jdeps uses a numeric name for private nested classes.
"""
part1, part2 = class_dependency.split_nested_class_from_key(
'pkg.name.class$1')
self.assertEqual(part1, 'pkg.name.class')
self.assertEqual(part2, '1')
def test_split_nested_class_from_key_lambda(self):
"""Tests that the helper works for jdeps' formatting of lambdas."""
part1, part2 = class_dependency.split_nested_class_from_key(
'pkg.name.class$$Lambda$1')
self.assertEqual(part1, 'pkg.name.class')
self.assertEqual(part2, '$Lambda$1')
def test_split_nested_class_from_key_no_nested(self):
"""Tests that the helper works when there is no nested class."""
part1, part2 = class_dependency.split_nested_class_from_key(
'pkg.name.class')
self.assertEqual(part1, 'pkg.name.class')
self.assertIsNone(part2)
def test_split_nested_class_from_key(self):
"""Tests that the helper correctly splits out a nested class."""
part1, part2 = class_dependency.split_nested_class_from_key(
'pkg.name.class$nested')
self.assertEqual(part1, 'pkg.name.class')
self.assertEqual(part2, 'nested')
def test_split_nested_class_from_key_lambda(self):
"""Tests that the helper works for common jdeps output (lambdas)"""
part1, part2 = class_dependency.split_nested_class_from_key(
'pkg.name.class$$Lambda$1')
self.assertEqual(part1, 'pkg.name.class')
self.assertEqual(part2, '$Lambda$1')
