def test_handle_class_scope(self):
tree = ast.parse('class SomeClass:\n\tdef some_method():\n\t\tpass')
add_parents(tree)
tracker = DefinitionTracker.get_instance()
handled_node = handle_class_scope(tree.body[0].body[0], tracker)
self.assertTrue(
len(tracker.definitions['classes']['SomeClass']['methods']), 1)
def test_handle_function_scope(self):
tree = ast.parse(
'def global_function():\n\tdef function_function():\n\t\tpass')
add_parents(tree)
tracker = DefinitionTracker.get_instance()
handled_node = handle_function_scope(tree.body[0].body[0], tracker)
pass
def test_handle_function_scope_outside(self):
tree = ast.parse('def some_function():\n\tpass\na = 42')
add_parents(tree)
tree = FunctionDefHandler().handle(tree)
tracker = DefinitionTracker.get_instance()
handled_node = handle_function_scope(tree.body[1].targets[0], tracker)
self.assertEqual(handled_node, tree.body[1].targets[0])
def test_handle_global_scope(self):
tree = ast.parse('a = "some string"')
add_parents(tree)
tracker = DefinitionTracker.get_instance()
handled_node = handle_global_scope(tree.body[0].targets[0], tracker)
self.assertEqual(handled_node.id, '_0x61')
self.assertEqual(len(tracker.definitions['variables']), 1)
def test_handle_global_scope_outside(self):
tree = ast.parse(
'def global_function():\n\tdef function_function():\n\t\tpass')
add_parents(tree)
tracker = DefinitionTracker.get_instance()
handled_node = handle_global_scope(tree.body[0].body[0], tracker)
self.assertEqual(len(tracker.definitions['functions']), 0)
def test_handle_calls_class(self):
tree = ast.parse(
'class SomeClass:\n\tpass\nsome_variable = SomeClass()')
add_parents(tree)
tree = ClassDefHandler().handle(tree)
tracker = DefinitionTracker.get_instance()
handled_node = handle_calls(tree.body[1].value.func, tracker)
self.assertEqual(handled_node.id, '_0x38a')
def test_handle_args(self):
tree = ast.parse(
'def some_function(param_1, param_2, param_3):\n\tpass')
add_parents(tree)
self.functiondef_handler.handle(tree)
handled_node = handle_args(tree.body[0].args.args[0],
DefinitionTracker.get_instance())
self.assertEqual(handled_node.arg, '_0x2a1')
def test_handle_global_scope_outside(self):
tree = ast.parse('def some_function():\n\tsome_variable = 42')
add_parents(tree)
tracker = DefinitionTracker.get_instance()
handled_node = handle_global_scope(tree.body[0].body[0].targets[0],
tracker)
self.assertEqual(handled_node, tree.body[0].body[0].targets[0])
self.assertEqual(len(tracker.definitions['variables']), 0)
def setUp(self):
self.fixture = ConstantHandler()
self.source = 'a = "a string literal"\n' \
'b = 42\n' \
'c = 100.0'
self.tree = ast.parse(self.source)
add_parents(self.tree)
self.tree = self.fixture.handle(self.tree)
def test_handle_calls_function(self):
tree = ast.parse(
'def some_function():\n\tpass\nsome_variable = some_function()')
add_parents(tree)
tree = FunctionDefHandler().handle(tree)
tracker = DefinitionTracker.get_instance()
handled_node = handle_calls(tree.body[1].value.func, tracker)
self.assertEqual(handled_node.id, '_0x579')
def test_handle_str(self):
tree = ast.parse('a = "literal"')
add_parents(tree)
tree = handle_str(tree.body[0].value)
source = ast.unparse(tree)
self.assertEqual(
source,
"''.join([chr(x) for x in [108, 105, 116, 101, 114, 97, 108]])")
def test_handle_class_scope_outside(self):
tree = ast.parse(
'def some_function():\n\tpass\nclass SomeClass:\n\tpass')
add_parents(tree)
tracker = DefinitionTracker.get_instance()
handled_node = handle_class_scope(tree.body[0], tracker)
self.assertTrue('some_function' not in tracker.definitions['classes']
['SomeClass']['methods'])
def setUp(self):
self.fixture = AttributeHandler()
self.classdef_handler = ClassDefHandler()
self.functiondef_handler = FunctionDefHandler()
self.tracker = DefinitionTracker.get_instance()
self.source = 'class SomeClass:\n\tdef __init__():\n\t\tself.property = 42\n\t\tself.property2 = 84'
self.tree = ast.parse(self.source)
add_parents(self.tree)
self.tree = self.classdef_handler.handle(self.tree)
def test_visit_arg(self):
tree = ast.parse(
'def some_function(param_1, param_2, param_3):\n\tpass')
add_parents(tree)
tree = self.functiondef_handler.handle(tree)
tree = self.fixture.handle(tree)
self.assertEqual(tree.body[0].args.args[0].arg, '_0x2a1')
self.assertEqual(tree.body[0].args.args[1].arg, '_0x2a2')
self.assertEqual(tree.body[0].args.args[2].arg, '_0x2a3')
def test_handle_class_scope_outside(self):
tree = ast.parse('class SomeClass:\n\tpass\nvariable = 42')
add_parents(tree)
tree = ClassDefHandler().handle(tree)
tracker = DefinitionTracker.get_instance()
handled_node = handle_class_scope(tree.body[1].targets[0], tracker)
self.assertEqual(handled_node, tree.body[1].targets[0])
self.assertEqual(
len(tracker.definitions['classes']['SomeClass']['variables']), 0)
def test_handle_class_properties_outside_init(self):
tree = ast.parse(
'class SomeClass:\n\tdef some_method():\n\t\tself.new_property = 42'
)
add_parents(tree)
tree = self.classdef_handler.handle(tree)
handled_node = handle_class_properties(
tree.body[0].body[0].body[0].targets[0], self.tracker)
self.assertEqual(handled_node.attr, '_0x52e')
def test_handle_returns_variable(self):
tree = ast.parse(
'def some_function():\n\tsome_variable = 42\n\treturn some_variable'
)
add_parents(tree)
tree = FunctionDefHandler().handle(tree)
tracker = DefinitionTracker.get_instance()
handled_node = handle_returns(tree.body[0].body[1].value, tracker)
self.assertEqual(handled_node.id, '_0x559')
def test_handle_returns_func_in_func(self):
tree = ast.parse(
'def some_function():\n\tdef inside_function():\n\t\tpass\n\treturn inside_function()'
)
add_parents(tree)
tree = FunctionDefHandler().handle(tree)
tracker = DefinitionTracker.get_instance()
handled_node = handle_returns(tree.body[0].body[1].value.func, tracker)
self.assertEqual(handled_node.id, '_0x641')
def test_handle_returns_class(self):
tree = ast.parse(
'class SomeClass:\n\tpass\ndef some_function():\n\treturn SomeClass()'
)
add_parents(tree)
tree = ClassDefHandler().handle(tree)
tree = FunctionDefHandler().handle(tree)
tracker = DefinitionTracker.get_instance()
handled_node = handle_returns(tree.body[1].body[0].value.func, tracker)
self.assertEqual(handled_node.id, '_0x38a')
def test_handle_class_method_calls(self):
tree = ast.parse(
'class SomeClass:\n\tdef some_method():\n\t\tpass\na = SomeClass()\na.some_method()'
)
add_parents(tree)
tree = self.classdef_handler.handle(tree)
tree = self.functiondef_handler.handle(tree)
handled_node = handle_class_method_calls(tree.body[2].value.func,
self.tracker)
self.assertEqual(handled_node.attr, '_0x494')
def set_tree(self, filepath):
"""Sets the tree property to the parsed abstract syntax tree of source in the filepath provided
Args:
**filepath (str)**: File path of which to get the tree
"""
self.logger.info('Setting the tree')
text = load_file(filepath)
self.tree = ast.parse(text)
add_parents(self.tree)
def setUp(self):
self.fixture = FunctionDefHandler()
self.classdef_handler = ClassDefHandler()
self.tracker = DefinitionTracker.get_instance()
self.source = 'def FirstFunction(param_1, param_2):\n\t' \
'first_variable = 42\n\t' \
'second_variable = param_1 + param_2\n\t' \
'return second_variable\n' \
'class SomeClass():\n\t' \
'def some_method():\n\t\t' \
'pass'
self.tree = ast.parse(self.source)
add_parents(self.tree)
self.tree = self.classdef_handler.handle(self.tree)
def setUp(self):
self.fixture = load_handlers(False, False)
self.tracker = DefinitionTracker.get_instance()
self.source = 'class FirstClass:\n\tpass\n\n' \
'class SecondClass:\n\tpass\n\n' \
'def FirstFunction():\n\tc = "a literal"\n\n' \
'def SecondFunction():\n\tpass\n\n' \
'a = FirstClass()\n\n' \
'b = SecondClass()\n\n' \
'FirstFunction()\n\n' \
'SecondFunction()\n\n' \
'a = SecondClass()\n\n' \
'c = 42'
self.tree = ast.parse(self.source)
add_parents(self.tree)
def handle(self, tree):
"""Executes the visit method inherited from ast.NodeTransformer and calls handle on the next handler
Args:
**tree (:obj: `ast.Module`)**: A root ast node
Returns:
The modified tree
"""
self.logger.info('Handling tree')
tree = self.visit(tree)
add_parents(tree)
if self.next is not None:
return self.next.handle(tree)
return tree
def test_obscure_class_bases(self):
tree = ast.parse('class SomeClass(Base1, Base2):\n\tpass')
add_parents(tree)
bases = []
tracker = DefinitionTracker.get_instance()
tracker.definitions['classes']['Base1'] = {
'prev_name': 'Base1',
'new_name': 'ObscuredBase1'
}
tracker.definitions['classes']['Base2'] = {
'prev_name': 'Base2',
'new_name': 'ObscuredBase2'
}
for base in tree.body[0].bases:
bases.append(obscure_class_bases(base, tracker))
self.assertEqual(bases[0].id, 'ObscuredBase1')
self.assertEqual(bases[1].id, 'ObscuredBase2')
def setUp(self):
self.fixture = NameHandler()
self.classdef_handler = ClassDefHandler()
self.source = 'class Base1:\n\t' \
'pass\n\n' \
'class Base2:\n\t' \
'pass\n\n' \
'class SomeClass(Base1, Base2):\n\t' \
'pass\n' \
'def first_function():\n\t' \
'pass\n' \
'def some_function():\n\t' \
'a = "a literal"\n\t' \
'b = first_function()\n\t' \
'return b'
self.tree = ast.parse(self.source)
add_parents(self.tree)
def test_handle_global_scope(self):
tree = ast.parse('def global_function():\n\tpass')
add_parents(tree)
tracker = DefinitionTracker.get_instance()
handled_node = handle_global_scope(tree.body[0], tracker)
self.assertTrue('global_function' in tracker.definitions['functions'])
def test_handle_calls_outside(self):
tree = ast.parse('a = 42')
add_parents(tree)
tracker = DefinitionTracker.get_instance()
handled_node = handle_calls(tree.body[0].targets[0], tracker)
self.assertEqual(handled_node, tree.body[0].targets[0])
def test_handle_returns_none(self):
tree = ast.parse('def some_function():\n\tsome_variable = 42')
add_parents(tree)
tracker = DefinitionTracker.get_instance()
handled_node = handle_returns(tree.body[0].body[0].targets[0], tracker)
self.assertEqual(handled_node, tree.body[0].body[0].targets[0])
