Merging upstream version 7.3.7.

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

4 files changed, 752 insertions, 0 deletions

diff --git a/tests/test_pycode/__init__.py b/tests/test_pycode/__init__.py
new file mode 100644
index 0000000..e69de29
--- /dev/null
+++ b/tests/test_pycode/__init__.py
diff --git a/tests/test_pycode/test_pycode.py b/tests/test_pycode/test_pycode.py
new file mode 100644
index 0000000..5739787
--- /dev/null
+++ b/tests/test_pycode/test_pycode.py
@@ -0,0 +1,173 @@
+"""Test pycode."""
+
+import os
+import sys
+
+import pytest
+
+import sphinx
+from sphinx.errors import PycodeError
+from sphinx.pycode import ModuleAnalyzer
+
+SPHINX_MODULE_PATH = os.path.splitext(sphinx.__file__)[0] + '.py'
+
+
+def test_ModuleAnalyzer_get_module_source():
+    assert ModuleAnalyzer.get_module_source('sphinx') == (sphinx.__file__, sphinx.__loader__.get_source('sphinx'))
+
+    # failed to obtain source information from builtin modules
+    with pytest.raises(PycodeError):
+        ModuleAnalyzer.get_module_source('builtins')
+    with pytest.raises(PycodeError):
+        ModuleAnalyzer.get_module_source('itertools')
+
+
+def test_ModuleAnalyzer_for_string():
+    analyzer = ModuleAnalyzer.for_string('print("Hello world")', 'module_name')
+    assert analyzer.modname == 'module_name'
+    assert analyzer.srcname == '<string>'
+
+
+def test_ModuleAnalyzer_for_file():
+    analyzer = ModuleAnalyzer.for_string(SPHINX_MODULE_PATH, 'sphinx')
+    assert analyzer.modname == 'sphinx'
+    assert analyzer.srcname == '<string>'
+
+
+def test_ModuleAnalyzer_for_module(rootdir):
+    analyzer = ModuleAnalyzer.for_module('sphinx')
+    assert analyzer.modname == 'sphinx'
+    assert analyzer.srcname in (SPHINX_MODULE_PATH,
+                                os.path.abspath(SPHINX_MODULE_PATH))
+
+    path = str(rootdir / 'test-pycode')
+    sys.path.insert(0, path)
+    try:
+        analyzer = ModuleAnalyzer.for_module('cp_1251_coded')
+        docs = analyzer.find_attr_docs()
+        assert docs == {('', 'X'): ['It MUST look like X="\u0425"', '']}
+    finally:
+        sys.path.pop(0)
+
+
+def test_ModuleAnalyzer_find_tags():
+    code = ('class Foo(object):\n'  # line: 1
+            '    """class Foo!"""\n'
+            '    def __init__(self):\n'
+            '       pass\n'
+            '\n'
+            '    def bar(self, arg1, arg2=True, *args, **kwargs):\n'
+            '       """method Foo.bar"""\n'
+            '       pass\n'
+            '\n'
+            '    class Baz(object):\n'
+            '       def __init__(self):\n'  # line: 11
+            '           pass\n'
+            '\n'
+            'def qux():\n'
+            '   """function baz"""\n'
+            '   pass\n'
+            '\n'
+            '@decorator1\n'
+            '@decorator2\n'
+            'def quux():\n'
+            '   pass\n'  # line: 21
+            '\n'
+            'class Corge(object):\n'
+            '    @decorator1\n'
+            '    @decorator2\n'
+            '    def grault(self):\n'
+            '        pass\n')
+    analyzer = ModuleAnalyzer.for_string(code, 'module')
+    tags = analyzer.find_tags()
+    assert set(tags.keys()) == {'Foo', 'Foo.__init__', 'Foo.bar',
+                                'Foo.Baz', 'Foo.Baz.__init__', 'qux', 'quux',
+                                'Corge', 'Corge.grault'}
+    assert tags['Foo'] == ('class', 1, 12)  # type, start, end
+    assert tags['Foo.__init__'] == ('def', 3, 4)
+    assert tags['Foo.bar'] == ('def', 6, 8)
+    assert tags['Foo.Baz'] == ('class', 10, 12)
+    assert tags['Foo.Baz.__init__'] == ('def', 11, 12)
+    assert tags['qux'] == ('def', 14, 16)
+    assert tags['quux'] == ('def', 18, 21)
+    assert tags['Corge'] == ('class', 23, 27)
+    assert tags['Corge.grault'] == ('def', 24, 27)
+
+
+def test_ModuleAnalyzer_find_attr_docs():
+    code = ('class Foo(object):\n'
+            '    """class Foo!"""\n'
+            '    #: comment before attr1\n'
+            '    attr1 = None\n'
+            '    attr2 = None  # attribute comment for attr2 (without colon)\n'
+            '    attr3 = None  #: attribute comment for attr3\n'
+            '    attr4 = None  #: long attribute comment\n'
+            '                  #: for attr4\n'
+            '    #: comment before attr5\n'
+            '    attr5 = None  #: attribute comment for attr5\n'
+            '    attr6, attr7 = 1, 2  #: this comment is ignored\n'
+            '\n'
+            '    def __init__(self):\n'
+            '       self.attr8 = None  #: first attribute comment (ignored)\n'
+            '       self.attr8 = None  #: attribute comment for attr8\n'
+            '       #: comment before attr9\n'
+            '       self.attr9 = None  #: comment after attr9\n'
+            '       "string after attr9"\n'
+            '\n'
+            '    def bar(self, arg1, arg2=True, *args, **kwargs):\n'
+            '       """method Foo.bar"""\n'
+            '       pass\n'
+            '\n'
+            'def baz():\n'
+            '   """function baz"""\n'
+            '   pass\n'
+            '\n'
+            'class Qux: attr1 = 1; attr2 = 2')
+    analyzer = ModuleAnalyzer.for_string(code, 'module')
+    docs = analyzer.find_attr_docs()
+    assert set(docs) == {('Foo', 'attr1'),
+                         ('Foo', 'attr3'),
+                         ('Foo', 'attr4'),
+                         ('Foo', 'attr5'),
+                         ('Foo', 'attr6'),
+                         ('Foo', 'attr7'),
+                         ('Foo', 'attr8'),
+                         ('Foo', 'attr9')}
+    assert docs[('Foo', 'attr1')] == ['comment before attr1', '']
+    assert docs[('Foo', 'attr3')] == ['attribute comment for attr3', '']
+    assert docs[('Foo', 'attr4')] == ['long attribute comment', '']
+    assert docs[('Foo', 'attr4')] == ['long attribute comment', '']
+    assert docs[('Foo', 'attr5')] == ['attribute comment for attr5', '']
+    assert docs[('Foo', 'attr6')] == ['this comment is ignored', '']
+    assert docs[('Foo', 'attr7')] == ['this comment is ignored', '']
+    assert docs[('Foo', 'attr8')] == ['attribute comment for attr8', '']
+    assert docs[('Foo', 'attr9')] == ['string after attr9', '']
+    assert analyzer.tagorder == {'Foo': 0,
+                                 'Foo.__init__': 8,
+                                 'Foo.attr1': 1,
+                                 'Foo.attr2': 2,
+                                 'Foo.attr3': 3,
+                                 'Foo.attr4': 4,
+                                 'Foo.attr5': 5,
+                                 'Foo.attr6': 6,
+                                 'Foo.attr7': 7,
+                                 'Foo.attr8': 10,
+                                 'Foo.attr9': 12,
+                                 'Foo.bar': 13,
+                                 'baz': 14,
+                                 'Qux': 15,
+                                 'Qux.attr1': 16,
+                                 'Qux.attr2': 17}
+
+
+def test_ModuleAnalyzer_find_attr_docs_for_posonlyargs_method():
+    code = ('class Foo(object):\n'
+            '    def __init__(self, /):\n'
+            '       self.attr = None  #: attribute comment\n')
+    analyzer = ModuleAnalyzer.for_string(code, 'module')
+    docs = analyzer.find_attr_docs()
+    assert set(docs) == {('Foo', 'attr')}
+    assert docs[('Foo', 'attr')] == ['attribute comment', '']
+    assert analyzer.tagorder == {'Foo': 0,
+                                 'Foo.__init__': 1,
+                                 'Foo.attr': 2}
diff --git a/tests/test_pycode/test_pycode_ast.py b/tests/test_pycode/test_pycode_ast.py
new file mode 100644
index 0000000..1ed43e1
--- /dev/null
+++ b/tests/test_pycode/test_pycode_ast.py
@@ -0,0 +1,68 @@
+"""Test pycode.ast"""
+
+import ast
+
+import pytest
+
+from sphinx.pycode.ast import unparse as ast_unparse
+
+
+@pytest.mark.parametrize(('source', 'expected'), [
+    ("a + b", "a + b"),                         # Add
+    ("a and b", "a and b"),                     # And
+    ("os.path", "os.path"),                     # Attribute
+    ("1 * 2", "1 * 2"),                         # BinOp
+    ("a & b", "a & b"),                         # BitAnd
+    ("a | b", "a | b"),                         # BitOr
+    ("a ^ b", "a ^ b"),                         # BitXor
+    ("a and b and c", "a and b and c"),         # BoolOp
+    ("b'bytes'", "b'bytes'"),                   # Bytes
+    ("object()", "object()"),                   # Call
+    ("1234", "1234"),                           # Constant, Num
+    ("{'key1': 'value1', 'key2': 'value2'}",
+     "{'key1': 'value1', 'key2': 'value2'}"),   # Dict
+    ("a / b", "a / b"),                         # Div
+    ("...", "..."),                             # Ellipsis
+    ("a // b", "a // b"),                       # FloorDiv
+    ("Tuple[int, int]", "Tuple[int, int]"),     # Index, Subscript
+    ("~1", "~1"),                               # Invert
+    ("lambda x, y: x + y",
+     "lambda x, y: ..."),                       # Lambda
+    ("[1, 2, 3]", "[1, 2, 3]"),                 # List
+    ("a << b", "a << b"),                       # LShift
+    ("a @ b", "a @ b"),                         # MatMult
+    ("a % b", "a % b"),                         # Mod
+    ("a * b", "a * b"),                         # Mult
+    ("sys", "sys"),                             # Name, NameConstant
+    ("not a", "not a"),                         # Not
+    ("a or b", "a or b"),                       # Or
+    ("a**b", "a**b"),                           # Pow
+    ("a >> b", "a >> b"),                       # RShift
+    ("{1, 2, 3}", "{1, 2, 3}"),                 # Set
+    ("a - b", "a - b"),                         # Sub
+    ("'str'", "'str'"),                         # Str
+    ("+a", "+a"),                               # UAdd
+    ("-1", "-1"),                               # UnaryOp
+    ("-a", "-a"),                               # USub
+    ("(1, 2, 3)", "(1, 2, 3)"),                 # Tuple
+    ("()", "()"),                               # Tuple (empty)
+    ("(1,)", "(1,)"),                           # Tuple (single item)
+    ("lambda x=0, /, y=1, *args, z, **kwargs: x + y + z",
+     "lambda x=0, /, y=1, *args, z, **kwargs: ..."),  # posonlyargs
+    ("0x1234", "0x1234"),                       # Constant
+    ("1_000_000", "1_000_000"),                 # Constant
+    ("Tuple[:,:]", "Tuple[:, :]"),              # Index, Subscript, 2x Slice
+    ("Tuple[1:2]", "Tuple[1:2]"),               # Index, Subscript, Slice(no-step)
+    ("Tuple[1:2:3]", "Tuple[1:2:3]"),           # Index, Subscript, Slice
+    ("x[:, np.newaxis, :, :]",
+     "x[:, np.newaxis, :, :]"),                 # Index, Subscript, numpy extended syntax
+    ("y[:, 1:3][np.array([0, 2, 4]), :]",
+     "y[:, 1:3][np.array([0, 2, 4]), :]"),       # Index, 2x Subscript, numpy extended syntax
+])
+def test_unparse(source, expected):
+    module = ast.parse(source)
+    assert ast_unparse(module.body[0].value, source) == expected
+
+
+def test_unparse_None():
+    assert ast_unparse(None) is None
diff --git a/tests/test_pycode/test_pycode_parser.py b/tests/test_pycode/test_pycode_parser.py
new file mode 100644
index 0000000..fde648d
--- /dev/null
+++ b/tests/test_pycode/test_pycode_parser.py
@@ -0,0 +1,511 @@
+"""Test pycode.parser."""
+
+from sphinx.pycode.parser import Parser
+from sphinx.util.inspect import signature_from_str
+
+
+def test_comment_picker_basic():
+    source = ('a = 1 + 1      #: assignment\n'
+              'b = 1 +\\\n 1  #: assignment including a CR\n'
+              'c = (1 +\n 1)  #: tuple  \n'
+              'd = {1, \n 1}  #:     set\n'
+              'e = [1, \n 1]  #: list #: additional comment\n'
+              'f = "abc"\n'
+              '#: string; comment on next line (ignored)\n'
+              'g = 1.0\n'
+              '"""float; string on next line"""\n')
+    parser = Parser(source)
+    parser.parse()
+    assert parser.comments == {('', 'a'): 'assignment',
+                               ('', 'b'): 'assignment including a CR',
+                               ('', 'c'): 'tuple  ',
+                               ('', 'd'): '    set',
+                               ('', 'e'): 'list #: additional comment',
+                               ('', 'g'): 'float; string on next line'}
+
+
+def test_comment_picker_location():
+    # multiple "before" comments
+    source = ('#: comment before assignment1\n'
+              '#:\n'
+              '#: comment before assignment2\n'
+              'a = 1 + 1\n')
+    parser = Parser(source)
+    parser.parse()
+    assert parser.comments == {('', 'a'): ('comment before assignment1\n'
+                                           '\n'
+                                           'comment before assignment2')}
+
+    # before and after comments
+    source = ('#: comment before assignment\n'
+              'a = 1 + 1  #: comment after assignment\n')
+    parser = Parser(source)
+    parser.parse()
+    assert parser.comments == {('', 'a'): 'comment after assignment'}
+
+    # after comment and next line string
+    source = ('a = 1 + 1\n  #: comment after assignment\n'
+              '"""string on next line"""\n')
+    parser = Parser(source)
+    parser.parse()
+    assert parser.comments == {('', 'a'): 'string on next line'}
+
+    # before comment and next line string
+    source = ('#: comment before assignment\n'
+              'a = 1 + 1\n'
+              '"""string on next line"""\n')
+    parser = Parser(source)
+    parser.parse()
+    assert parser.comments == {('', 'a'): 'string on next line'}
+
+    # before comment, after comment and next line string
+    source = ('#: comment before assignment\n'
+              'a = 1 + 1  #: comment after assignment\n'
+              '"""string on next line"""\n')
+    parser = Parser(source)
+    parser.parse()
+    assert parser.comments == {('', 'a'): 'string on next line'}
+
+    # inside __init__ method
+    source = ('class Foo(object):\n'
+              '    def __init__(self):\n'
+              '        #: comment before assignment\n'
+              '        self.attr1 = None\n'
+              '        self.attr2 = None  #: comment after assignment\n'
+              '\n'
+              '        #: comment for attr3(1)\n'
+              '        self.attr3 = None  #: comment for attr3(2)\n'
+              '        """comment for attr3(3)"""\n')
+    parser = Parser(source)
+    parser.parse()
+    assert parser.comments == {('Foo', 'attr1'): 'comment before assignment',
+                               ('Foo', 'attr2'): 'comment after assignment',
+                               ('Foo', 'attr3'): 'comment for attr3(3)'}
+
+
+def test_annotated_assignment():
+    source = ('a: str = "Sphinx"  #: comment\n'
+              'b: int = 1\n'
+              '"""string on next line"""\n'
+              'c: int  #: comment\n'
+              'd = 1  # type: int\n'
+              '"""string on next line"""\n')
+    parser = Parser(source)
+    parser.parse()
+    assert parser.comments == {('', 'a'): 'comment',
+                               ('', 'b'): 'string on next line',
+                               ('', 'c'): 'comment',
+                               ('', 'd'): 'string on next line'}
+    assert parser.annotations == {('', 'a'): 'str',
+                                  ('', 'b'): 'int',
+                                  ('', 'c'): 'int',
+                                  ('', 'd'): 'int'}
+    assert parser.definitions == {}
+
+
+def test_complex_assignment():
+    source = ('a = 1 + 1; b = a  #: compound statement\n'
+              'c, d = (1, 1)  #: unpack assignment\n'
+              'e = True  #: first assignment\n'
+              'e = False  #: second assignment\n'
+              'f = g = None  #: multiple assignment at once\n'
+              '(theta, phi) = (0, 0.5)  #: unpack assignment via tuple\n'
+              '[x, y] = (5, 6)  #: unpack assignment via list\n'
+              'h, *i, j = (1, 2, 3, 4)  #: unpack assignment2\n'
+              'k, *self.attr = (5, 6, 7)  #: unpack assignment3\n'
+              'l, *m[0] = (8, 9, 0)  #: unpack assignment4\n'
+              )
+    parser = Parser(source)
+    parser.parse()
+    assert parser.comments == {('', 'b'): 'compound statement',
+                               ('', 'c'): 'unpack assignment',
+                               ('', 'd'): 'unpack assignment',
+                               ('', 'e'): 'second assignment',
+                               ('', 'f'): 'multiple assignment at once',
+                               ('', 'g'): 'multiple assignment at once',
+                               ('', 'theta'): 'unpack assignment via tuple',
+                               ('', 'phi'): 'unpack assignment via tuple',
+                               ('', 'x'): 'unpack assignment via list',
+                               ('', 'y'): 'unpack assignment via list',
+                               ('', 'h'): 'unpack assignment2',
+                               ('', 'i'): 'unpack assignment2',
+                               ('', 'j'): 'unpack assignment2',
+                               ('', 'k'): 'unpack assignment3',
+                               ('', 'l'): 'unpack assignment4',
+                               }
+    assert parser.definitions == {}
+
+
+def test_assignment_in_try_clause():
+    source = ('try:\n'
+              '    a = None  #: comment\n'
+              'except:\n'
+              '    b = None  #: ignored\n'
+              'else:\n'
+              '    c = None  #: comment\n')
+    parser = Parser(source)
+    parser.parse()
+    assert parser.comments == {('', 'a'): 'comment',
+                               ('', 'c'): 'comment'}
+    assert parser.deforders == {'a': 0,
+                                'c': 1}
+
+
+def test_obj_assignment():
+    source = ('obj = SomeObject()  #: some object\n'
+              'obj.attr = 1  #: attr1\n'
+              'obj.attr.attr = 1  #: attr2\n')
+    parser = Parser(source)
+    parser.parse()
+    assert parser.comments == {('', 'obj'): 'some object'}
+    assert parser.definitions == {}
+
+
+def test_container_assignment():
+    source = ('l = []  #: list\n'
+              'l[1] = True  #: list assignment\n'
+              'l[0:0] = []  #: list assignment\n'
+              'l[_from:_to] = []  #: list assignment\n'
+              'd = {}  #: dict\n'
+              'd["doc"] = 1  #: dict assignment\n')
+    parser = Parser(source)
+    parser.parse()
+    assert parser.comments == {('', 'l'): 'list',
+                               ('', 'd'): 'dict'}
+    assert parser.definitions == {}
+
+
+def test_function():
+    source = ('def some_function():\n'
+              '    """docstring"""\n'
+              '    a = 1 + 1  #: comment1\n'
+              '\n'
+              '    b = a  #: comment2\n')
+    parser = Parser(source)
+    parser.parse()
+    assert parser.comments == {}
+    assert parser.definitions == {'some_function': ('def', 1, 5)}
+    assert parser.deforders == {'some_function': 0}
+
+
+def test_nested_function():
+    source = ('def some_function():\n'
+              '    a = 1 + 1  #: comment1\n'
+              '\n'
+              '    def inner_function():\n'
+              '        b = 1 + 1  #: comment2\n')
+    parser = Parser(source)
+    parser.parse()
+    assert parser.comments == {}
+    assert parser.definitions == {'some_function': ('def', 1, 5)}
+    assert parser.deforders == {'some_function': 0}
+
+
+def test_class():
+    source = ('class Foo(object):\n'
+              '    attr1 = None  #: comment1\n'
+              '    attr2 = None  #: comment2\n'
+              '\n'
+              '    def __init__(self):\n'
+              '        self.a = 1 + 1  #: comment3\n'
+              '        self.attr2 = 1 + 1  #: overridden\n'
+              '        b = 1 + 1  #: comment5\n'
+              '\n'
+              '    def some_method(self):\n'
+              '        c = 1 + 1  #: comment6\n')
+    parser = Parser(source)
+    parser.parse()
+    assert parser.comments == {('Foo', 'attr1'): 'comment1',
+                               ('Foo', 'a'): 'comment3',
+                               ('Foo', 'attr2'): 'overridden'}
+    assert parser.definitions == {'Foo': ('class', 1, 11),
+                                  'Foo.__init__': ('def', 5, 8),
+                                  'Foo.some_method': ('def', 10, 11)}
+    assert parser.deforders == {'Foo': 0,
+                                'Foo.attr1': 1,
+                                'Foo.__init__': 3,
+                                'Foo.a': 4,
+                                'Foo.attr2': 5,
+                                'Foo.some_method': 6}
+
+
+def test_class_uses_non_self():
+    source = ('class Foo(object):\n'
+              '    def __init__(this):\n'
+              '        this.a = 1 + 1  #: comment\n')
+    parser = Parser(source)
+    parser.parse()
+    assert parser.comments == {('Foo', 'a'): 'comment'}
+    assert parser.definitions == {'Foo': ('class', 1, 3),
+                                  'Foo.__init__': ('def', 2, 3)}
+    assert parser.deforders == {'Foo': 0,
+                                'Foo.__init__': 1,
+                                'Foo.a': 2}
+
+
+def test_nested_class():
+    source = ('class Foo(object):\n'
+              '    attr1 = None  #: comment1\n'
+              '\n'
+              '    class Bar(object):\n'
+              '        attr2 = None  #: comment2\n')
+    parser = Parser(source)
+    parser.parse()
+    assert parser.comments == {('Foo', 'attr1'): 'comment1',
+                               ('Foo.Bar', 'attr2'): 'comment2'}
+    assert parser.definitions == {'Foo': ('class', 1, 5),
+                                  'Foo.Bar': ('class', 4, 5)}
+    assert parser.deforders == {'Foo': 0,
+                                'Foo.attr1': 1,
+                                'Foo.Bar': 2,
+                                'Foo.Bar.attr2': 3}
+
+
+def test_class_comment():
+    source = ('import logging\n'
+              'logger = logging.getLogger(__name__)\n'
+              '\n'
+              'class Foo(object):\n'
+              '    """Bar"""\n')
+    parser = Parser(source)
+    parser.parse()
+    assert parser.comments == {}
+    assert parser.definitions == {'Foo': ('class', 4, 5)}
+
+
+def test_comment_picker_multiline_string():
+    source = ('class Foo(object):\n'
+              '    a = None\n'
+              '    """multiline\n'
+              '    docstring\n'
+              '    """\n'
+              '    b = None\n'
+              '    """\n'
+              '    docstring\n'
+              '    starts with::\n'
+              '\n'
+              '        empty line"""\n')
+    parser = Parser(source)
+    parser.parse()
+    assert parser.comments == {('Foo', 'a'): 'multiline\ndocstring',
+                               ('Foo', 'b'): 'docstring\nstarts with::\n\n    empty line'}
+
+
+def test_decorators():
+    source = ('@deco\n'
+              'def func1(): pass\n'
+              '\n'
+              '@deco(param1, param2)\n'
+              'def func2(): pass\n'
+              '\n'
+              '@deco1\n'
+              '@deco2\n'
+              'def func3(): pass\n'
+              '\n'
+              '@deco\n'
+              'class Foo():\n'
+              '    @deco1\n'
+              '    @deco2\n'
+              '    def method(self): pass\n')
+    parser = Parser(source)
+    parser.parse()
+    assert parser.definitions == {'func1': ('def', 1, 2),
+                                  'func2': ('def', 4, 5),
+                                  'func3': ('def', 7, 9),
+                                  'Foo': ('class', 11, 15),
+                                  'Foo.method': ('def', 13, 15)}
+
+
+def test_async_function_and_method():
+    source = ('async def some_function():\n'
+              '    """docstring"""\n'
+              '    a = 1 + 1  #: comment1\n'
+              '\n'
+              'class Foo:\n'
+              '    async def method(self):\n'
+              '        pass\n')
+    parser = Parser(source)
+    parser.parse()
+    assert parser.definitions == {'some_function': ('def', 1, 3),
+                                  'Foo': ('class', 5, 7),
+                                  'Foo.method': ('def', 6, 7)}
+
+
+def test_imports():
+    source = ('import sys\n'
+              'from os import environment, path\n'
+              '\n'
+              'import sphinx as Sphinx\n'
+              'from sphinx.application import Sphinx as App\n')
+    parser = Parser(source)
+    parser.parse()
+    assert parser.definitions == {}
+    assert parser.deforders == {'sys': 0,
+                                'environment': 1,
+                                'path': 2,
+                                'Sphinx': 3,
+                                'App': 4}
+
+
+def test_formfeed_char():
+    source = ('class Foo:\n'
+              '\f\n'
+              '    attr = 1234  #: comment\n')
+    parser = Parser(source)
+    parser.parse()
+    assert parser.comments == {('Foo', 'attr'): 'comment'}
+
+
+def test_typing_final():
+    source = ('import typing\n'
+              '\n'
+              '@typing.final\n'
+              'def func(): pass\n'
+              '\n'
+              '@typing.final\n'
+              'class Foo:\n'
+              '    @typing.final\n'
+              '    def meth(self):\n'
+              '        pass\n')
+    parser = Parser(source)
+    parser.parse()
+    assert parser.finals == ['func', 'Foo', 'Foo.meth']
+
+
+def test_typing_final_from_import():
+    source = ('from typing import final\n'
+              '\n'
+              '@final\n'
+              'def func(): pass\n'
+              '\n'
+              '@final\n'
+              'class Foo:\n'
+              '    @final\n'
+              '    def meth(self):\n'
+              '        pass\n')
+    parser = Parser(source)
+    parser.parse()
+    assert parser.finals == ['func', 'Foo', 'Foo.meth']
+
+
+def test_typing_final_import_as():
+    source = ('import typing as foo\n'
+              '\n'
+              '@foo.final\n'
+              'def func(): pass\n'
+              '\n'
+              '@foo.final\n'
+              'class Foo:\n'
+              '    @typing.final\n'
+              '    def meth(self):\n'
+              '        pass\n')
+    parser = Parser(source)
+    parser.parse()
+    assert parser.finals == ['func', 'Foo']
+
+
+def test_typing_final_from_import_as():
+    source = ('from typing import final as bar\n'
+              '\n'
+              '@bar\n'
+              'def func(): pass\n'
+              '\n'
+              '@bar\n'
+              'class Foo:\n'
+              '    @final\n'
+              '    def meth(self):\n'
+              '        pass\n')
+    parser = Parser(source)
+    parser.parse()
+    assert parser.finals == ['func', 'Foo']
+
+
+def test_typing_final_not_imported():
+    source = ('@typing.final\n'
+              'def func(): pass\n'
+              '\n'
+              '@typing.final\n'
+              'class Foo:\n'
+              '    @final\n'
+              '    def meth(self):\n'
+              '        pass\n')
+    parser = Parser(source)
+    parser.parse()
+    assert parser.finals == []
+
+
+def test_typing_overload():
+    source = ('import typing\n'
+              '\n'
+              '@typing.overload\n'
+              'def func(x: int, y: int) -> int: pass\n'
+              '\n'
+              '@typing.overload\n'
+              'def func(x: str, y: str) -> str: pass\n'
+              '\n'
+              'def func(x, y): pass\n')
+    parser = Parser(source)
+    parser.parse()
+    assert parser.overloads == {'func': [signature_from_str('(x: int, y: int) -> int'),
+                                         signature_from_str('(x: str, y: str) -> str')]}
+
+
+def test_typing_overload_from_import():
+    source = ('from typing import overload\n'
+              '\n'
+              '@overload\n'
+              'def func(x: int, y: int) -> int: pass\n'
+              '\n'
+              '@overload\n'
+              'def func(x: str, y: str) -> str: pass\n'
+              '\n'
+              'def func(x, y): pass\n')
+    parser = Parser(source)
+    parser.parse()
+    assert parser.overloads == {'func': [signature_from_str('(x: int, y: int) -> int'),
+                                         signature_from_str('(x: str, y: str) -> str')]}
+
+
+def test_typing_overload_import_as():
+    source = ('import typing as foo\n'
+              '\n'
+              '@foo.overload\n'
+              'def func(x: int, y: int) -> int: pass\n'
+              '\n'
+              '@foo.overload\n'
+              'def func(x: str, y: str) -> str: pass\n'
+              '\n'
+              'def func(x, y): pass\n')
+    parser = Parser(source)
+    parser.parse()
+    assert parser.overloads == {'func': [signature_from_str('(x: int, y: int) -> int'),
+                                         signature_from_str('(x: str, y: str) -> str')]}
+
+
+def test_typing_overload_from_import_as():
+    source = ('from typing import overload as bar\n'
+              '\n'
+              '@bar\n'
+              'def func(x: int, y: int) -> int: pass\n'
+              '\n'
+              '@bar\n'
+              'def func(x: str, y: str) -> str: pass\n'
+              '\n'
+              'def func(x, y): pass\n')
+    parser = Parser(source)
+    parser.parse()
+    assert parser.overloads == {'func': [signature_from_str('(x: int, y: int) -> int'),
+                                         signature_from_str('(x: str, y: str) -> str')]}
+
+
+def test_typing_overload_not_imported():
+    source = ('@typing.final\n'
+              'def func(x: int, y: int) -> int: pass\n'
+              '\n'
+              '@typing.final\n'
+              'def func(x: str, y: str) -> str: pass\n'
+              '\n'
+              'def func(x, y): pass\n')
+    parser = Parser(source)
+    parser.parse()
+    assert parser.overloads == {}