/
test_sphinx_autodoc_typehints.py
1031 lines (796 loc) · 33.5 KB
/
test_sphinx_autodoc_typehints.py
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from __future__ import annotations
import collections.abc
import pathlib
import re
import sys
import typing
from functools import cmp_to_key
from io import StringIO
from textwrap import dedent, indent
from types import FunctionType, ModuleType
from typing import (
IO,
Any,
AnyStr,
Callable,
Dict,
Generic,
List,
Mapping,
Match,
NewType,
Optional,
Pattern,
Tuple,
Type,
TypeVar,
Union,
)
from unittest.mock import create_autospec, patch
import nptyping
import pytest
import typing_extensions
from sphinx.application import Sphinx
from sphinx.config import Config
from sphinx.testing.util import SphinxTestApp
from sphobjinv import Inventory
from sphinx_autodoc_typehints import (
_resolve_type_guarded_imports,
backfill_type_hints,
format_annotation,
get_annotation_args,
get_annotation_class_name,
get_annotation_module,
normalize_source_lines,
process_docstring,
)
T = TypeVar("T")
U = TypeVar("U", covariant=True)
V = TypeVar("V", contravariant=True)
X = TypeVar("X", str, int)
Y = TypeVar("Y", bound=str)
Z = TypeVar("Z", bound="A")
S = TypeVar("S", bound="miss") # type: ignore # miss not defined on purpose # noqa: F821
W = NewType("W", str)
P = typing_extensions.ParamSpec("P")
P_co = typing_extensions.ParamSpec("P_co", covariant=True) # type: ignore
P_contra = typing_extensions.ParamSpec("P_contra", contravariant=True) # type: ignore
P_bound = typing_extensions.ParamSpec("P_bound", bound=str) # type: ignore
# Mypy does not support recursive type aliases, but
# other type checkers do.
RecList = Union[int, List["RecList"]] # type: ignore
MutualRecA = Union[bool, List["MutualRecB"]] # type: ignore
MutualRecB = Union[str, List["MutualRecA"]] # type: ignore
class A:
def get_type(self) -> type:
return type(self)
class Inner:
...
class B(Generic[T]):
name = "Foo" # This is set to make sure the correct class name ("B") is picked up
class C(B[str]):
...
class D(typing_extensions.Protocol):
...
class E(typing_extensions.Protocol[T]): # type: ignore # Invariant type variable "T" used in protocol where covariant
...
class Slotted:
__slots__ = ()
class Metaclass(type):
...
class HintedMethods:
@classmethod
def from_magic(cls: type[T]) -> T:
...
def method(self: T) -> T:
...
PY310_PLUS = sys.version_info >= (3, 10)
@pytest.mark.parametrize(
("annotation", "module", "class_name", "args"),
[
pytest.param(str, "builtins", "str", (), id="str"),
pytest.param(None, "builtins", "None", (), id="None"),
pytest.param(Any, "typing", "Any", (), id="Any"),
pytest.param(AnyStr, "typing", "AnyStr", (), id="AnyStr"),
pytest.param(Dict, "typing", "Dict", (), id="Dict"),
pytest.param(Dict[str, int], "typing", "Dict", (str, int), id="Dict_parametrized"),
pytest.param(Dict[T, int], "typing", "Dict", (T, int), id="Dict_typevar"),
pytest.param(Tuple, "typing", "Tuple", (), id="Tuple"),
pytest.param(Tuple[str, int], "typing", "Tuple", (str, int), id="Tuple_parametrized"),
pytest.param(Union[str, int], "typing", "Union", (str, int), id="Union"),
pytest.param(Callable, "typing", "Callable", (), id="Callable"),
pytest.param(Callable[..., str], "typing", "Callable", (..., str), id="Callable_returntype"),
pytest.param(Callable[[int, str], str], "typing", "Callable", (int, str, str), id="Callable_all_types"),
pytest.param(Pattern, "typing", "Pattern", (), id="Pattern"),
pytest.param(Pattern[str], "typing", "Pattern", (str,), id="Pattern_parametrized"),
pytest.param(Match, "typing", "Match", (), id="Match"),
pytest.param(Match[str], "typing", "Match", (str,), id="Match_parametrized"),
pytest.param(IO, "typing", "IO", (), id="IO"),
pytest.param(W, "typing", "NewType", (str,), id="W"),
pytest.param(Metaclass, __name__, "Metaclass", (), id="Metaclass"),
pytest.param(Slotted, __name__, "Slotted", (), id="Slotted"),
pytest.param(A, __name__, "A", (), id="A"),
pytest.param(B, __name__, "B", (), id="B"),
pytest.param(C, __name__, "C", (), id="C"),
pytest.param(D, __name__, "D", (), id="D"),
pytest.param(E, __name__, "E", (), id="E"),
pytest.param(E[int], __name__, "E", (int,), id="E_parametrized"),
pytest.param(A.Inner, __name__, "A.Inner", (), id="Inner"),
],
)
def test_parse_annotation(annotation: Any, module: str, class_name: str, args: tuple[Any, ...]) -> None:
assert get_annotation_module(annotation) == module
assert get_annotation_class_name(annotation, module) == class_name
assert get_annotation_args(annotation, module, class_name) == args
@pytest.mark.parametrize(
("annotation", "expected_result"),
[
(str, ":py:class:`str`"),
(int, ":py:class:`int`"),
(type(None), ":py:obj:`None`"),
(type, ":py:class:`type`"),
(collections.abc.Callable, ":py:class:`~collections.abc.Callable`"),
(Type, ":py:class:`~typing.Type`"),
(Type[A], ":py:class:`~typing.Type`\\[:py:class:`~%s.A`]" % __name__),
(Any, ":py:data:`~typing.Any`"),
(AnyStr, ":py:data:`~typing.AnyStr`"),
(Generic[T], ":py:class:`~typing.Generic`\\[:py:class:`~typing.TypeVar`\\(``T``)]"),
(Mapping, ":py:class:`~typing.Mapping`"),
(Mapping[T, int], ":py:class:`~typing.Mapping`\\[:py:class:`~typing.TypeVar`\\(``T``), :py:class:`int`]"),
(
Mapping[str, V],
":py:class:`~typing.Mapping`\\[:py:class:`str`, :py:class:`~typing.TypeVar`\\(``V``, contravariant=True)]",
),
(
Mapping[T, U],
":py:class:`~typing.Mapping`\\[:py:class:`~typing.TypeVar`\\(``T``), "
":py:class:`~typing.TypeVar`\\(``U``, covariant=True)]",
),
(Mapping[str, bool], ":py:class:`~typing.Mapping`\\[:py:class:`str`, " ":py:class:`bool`]"),
(Dict, ":py:class:`~typing.Dict`"),
(Dict[T, int], ":py:class:`~typing.Dict`\\[:py:class:`~typing.TypeVar`\\(``T``), :py:class:`int`]"),
(
Dict[str, V],
":py:class:`~typing.Dict`\\[:py:class:`str`, :py:class:`~typing.TypeVar`\\(``V``, contravariant=True)]",
),
(
Dict[T, U],
":py:class:`~typing.Dict`\\[:py:class:`~typing.TypeVar`\\(``T``),"
" :py:class:`~typing.TypeVar`\\(``U``, covariant=True)]",
),
(Dict[str, bool], ":py:class:`~typing.Dict`\\[:py:class:`str`, " ":py:class:`bool`]"),
(Tuple, ":py:data:`~typing.Tuple`"),
(Tuple[str, bool], ":py:data:`~typing.Tuple`\\[:py:class:`str`, " ":py:class:`bool`]"),
(Tuple[int, int, int], ":py:data:`~typing.Tuple`\\[:py:class:`int`, " ":py:class:`int`, :py:class:`int`]"),
(Tuple[str, ...], ":py:data:`~typing.Tuple`\\[:py:class:`str`, :py:data:`...<Ellipsis>`]"),
(Union, ":py:data:`~typing.Union`"),
(Union[str, bool], ":py:data:`~typing.Union`\\[:py:class:`str`, " ":py:class:`bool`]"),
(Union[str, bool, None], ":py:data:`~typing.Union`\\[:py:class:`str`, " ":py:class:`bool`, :py:obj:`None`]"),
pytest.param(
Union[str, Any],
":py:data:`~typing.Union`\\[:py:class:`str`, " ":py:data:`~typing.Any`]",
marks=pytest.mark.skipif(
(3, 5, 0) <= sys.version_info[:3] <= (3, 5, 2), reason="Union erases the str on 3.5.0 -> 3.5.2"
),
),
(Optional[str], ":py:data:`~typing.Optional`\\[:py:class:`str`]"),
(
Optional[Union[str, bool]],
":py:data:`~typing.Union`\\[:py:class:`str`, " ":py:class:`bool`, :py:obj:`None`]",
),
(Callable, ":py:data:`~typing.Callable`"),
(Callable[..., int], ":py:data:`~typing.Callable`\\[:py:data:`...<Ellipsis>`, :py:class:`int`]"),
(Callable[[int], int], ":py:data:`~typing.Callable`\\[\\[:py:class:`int`], " ":py:class:`int`]"),
(
Callable[[int, str], bool],
":py:data:`~typing.Callable`\\[\\[:py:class:`int`, " ":py:class:`str`], :py:class:`bool`]",
),
(
Callable[[int, str], None],
":py:data:`~typing.Callable`\\[\\[:py:class:`int`, " ":py:class:`str`], :py:obj:`None`]",
),
(
Callable[[T], T],
":py:data:`~typing.Callable`\\[\\[:py:class:`~typing.TypeVar`\\(``T``)],"
" :py:class:`~typing.TypeVar`\\(``T``)]",
),
(Pattern, ":py:class:`~typing.Pattern`"),
(Pattern[str], ":py:class:`~typing.Pattern`\\[:py:class:`str`]"),
(IO, ":py:class:`~typing.IO`"),
(IO[str], ":py:class:`~typing.IO`\\[:py:class:`str`]"),
(Metaclass, ":py:class:`~%s.Metaclass`" % __name__),
(A, ":py:class:`~%s.A`" % __name__),
(B, ":py:class:`~%s.B`" % __name__),
(B[int], ":py:class:`~%s.B`\\[:py:class:`int`]" % __name__),
(C, ":py:class:`~%s.C`" % __name__),
(D, ":py:class:`~%s.D`" % __name__),
(E, ":py:class:`~%s.E`" % __name__),
(E[int], ":py:class:`~%s.E`\\[:py:class:`int`]" % __name__),
(W, f':py:{"class" if PY310_PLUS else "func"}:' f"`~typing.NewType`\\(``W``, :py:class:`str`)"),
(T, ":py:class:`~typing.TypeVar`\\(``T``)"),
(U, ":py:class:`~typing.TypeVar`\\(``U``, covariant=True)"),
(V, ":py:class:`~typing.TypeVar`\\(``V``, contravariant=True)"),
(X, ":py:class:`~typing.TypeVar`\\(``X``, :py:class:`str`, :py:class:`int`)"),
(Y, ":py:class:`~typing.TypeVar`\\(``Y``, bound= :py:class:`str`)"),
(Z, ":py:class:`~typing.TypeVar`\\(``Z``, bound= A)"),
(S, ":py:class:`~typing.TypeVar`\\(``S``, bound= miss)"),
# ParamSpec should behave like TypeVar, except for missing constraints
(P, ":py:class:`~typing.ParamSpec`\\(``P``)"),
(P_co, ":py:class:`~typing.ParamSpec`\\(``P_co``, covariant=True)"),
(P_contra, ":py:class:`~typing.ParamSpec`\\(``P_contra``, contravariant=True)"),
(P_bound, ":py:class:`~typing.ParamSpec`\\(``P_bound``, bound= :py:class:`str`)"),
# ## These test for correct internal tuple rendering, even if not all are valid Tuple types
# Zero-length tuple remains
(Tuple[()], ":py:data:`~typing.Tuple`"),
# Internal single tuple with simple types is flattened in the output
(Tuple[(int,)], ":py:data:`~typing.Tuple`\\[:py:class:`int`]"),
(Tuple[(int, int)], ":py:data:`~typing.Tuple`\\[:py:class:`int`, :py:class:`int`]"),
# Ellipsis in single tuple also gets flattened
(Tuple[(int, ...)], ":py:data:`~typing.Tuple`\\[:py:class:`int`, :py:data:`...<Ellipsis>`]"),
# Internal tuple with following additional type cannot be flattened (specific to nptyping?)
# These cases will fail if nptyping restructures its internal module hierarchy
(
nptyping.NDArray[nptyping.Shape["*"], nptyping.Float],
(
":py:class:`~nptyping.base_meta_classes.NDArray`\\[:py:class:`~nptyping.base_meta_classes.Shape`\\[*], "
":py:class:`~numpy.float64`]"
),
),
(
nptyping.NDArray[nptyping.Shape["64"], nptyping.Float],
(
":py:class:`~nptyping.base_meta_classes.NDArray`\\[:py:class:`~nptyping.base_meta_classes.Shape`\\[64],"
" :py:class:`~numpy.float64`]"
),
),
(
nptyping.NDArray[nptyping.Shape["*, *"], nptyping.Float],
(
":py:class:`~nptyping.base_meta_classes.NDArray`\\[:py:class:`~nptyping.base_meta_classes.Shape`\\[*, "
"*], :py:class:`~numpy.float64`]"
),
),
(
nptyping.NDArray[nptyping.Shape["*, ..."], nptyping.Float],
(":py:class:`~nptyping.base_meta_classes.NDArray`\\[:py:data:`~typing.Any`, :py:class:`~numpy.float64`]"),
),
(
nptyping.NDArray[nptyping.Shape["*, 3"], nptyping.Float],
(
":py:class:`~nptyping.base_meta_classes.NDArray`\\[:py:class:`~nptyping.base_meta_classes.Shape`\\[*, 3"
"], :py:class:`~numpy.float64`]"
),
),
(
nptyping.NDArray[nptyping.Shape["3, ..."], nptyping.Float],
(
":py:class:`~nptyping.base_meta_classes.NDArray`\\[:py:class:`~nptyping.base_meta_classes.Shape`\\[3, "
"...], :py:class:`~numpy.float64`]"
),
),
(
RecList,
(":py:data:`~typing.Union`\\[:py:class:`int`, :py:class:`~typing.List`\\[RecList]]"),
),
(
MutualRecA,
(":py:data:`~typing.Union`\\[:py:class:`bool`, :py:class:`~typing.List`\\[MutualRecB]]"),
),
],
)
def test_format_annotation(inv: Inventory, annotation: Any, expected_result: str) -> None:
conf = create_autospec(Config, _annotation_globals=globals())
result = format_annotation(annotation, conf)
assert result == expected_result
# Test with the "simplify_optional_unions" flag turned off:
if re.match(r"^:py:data:`~typing\.Union`\\\[.*``None``.*]", expected_result):
# strip None - argument and copy string to avoid conflicts with
# subsequent tests
expected_result_not_simplified = expected_result.replace(", ``None``", "")
# encapsulate Union in typing.Optional
expected_result_not_simplified = ":py:data:`~typing.Optional`\\[" + expected_result_not_simplified
expected_result_not_simplified += "]"
conf = create_autospec(Config, simplify_optional_unions=False, _annotation_globals=globals())
assert format_annotation(annotation, conf) == expected_result_not_simplified
# Test with the "fully_qualified" flag turned on
if "typing" in expected_result_not_simplified:
expected_result_not_simplified = expected_result_not_simplified.replace("~typing", "typing")
conf = create_autospec(
Config, typehints_fully_qualified=True, simplify_optional_unions=False, _annotation_globals=globals()
)
assert format_annotation(annotation, conf) == expected_result_not_simplified
# Test with the "fully_qualified" flag turned on
if "typing" in expected_result or "nptyping" in expected_result or __name__ in expected_result:
expected_result = expected_result.replace("~typing", "typing")
expected_result = expected_result.replace("~nptyping", "nptyping")
expected_result = expected_result.replace("~numpy", "numpy")
expected_result = expected_result.replace("~" + __name__, __name__)
conf = create_autospec(Config, typehints_fully_qualified=True, _annotation_globals=globals())
assert format_annotation(annotation, conf) == expected_result
# Test for the correct role (class vs data) using the official Sphinx inventory
if "typing" in expected_result:
m = re.match("^:py:(?P<role>class|data|func):`~(?P<name>[^`]+)`", result)
assert m, "No match"
name = m.group("name")
expected_role = next((o.role for o in inv.objects if o.name == name), None)
if expected_role:
if expected_role == "function":
expected_role = "func"
assert m.group("role") == expected_role
@pytest.mark.parametrize("library", [typing, typing_extensions], ids=["typing", "typing_extensions"])
@pytest.mark.parametrize(
("annotation", "params", "expected_result"),
[
("ClassVar", int, ":py:data:`~typing.ClassVar`\\[:py:class:`int`]"),
("NoReturn", None, ":py:data:`~typing.NoReturn`"),
("Literal", ("a", 1), ":py:data:`~typing.Literal`\\['a', 1]"),
("Type", None, ":py:class:`~typing.Type`"),
("Type", (A,), f":py:class:`~typing.Type`\\[:py:class:`~{__name__}.A`]"),
],
)
def test_format_annotation_both_libs(library: ModuleType, annotation: str, params: Any, expected_result: str) -> None:
try:
annotation_cls = getattr(library, annotation)
except AttributeError:
pytest.skip(f"{annotation} not available in the {library.__name__} module")
return # pragma: no cover
ann = annotation_cls if params is None else annotation_cls[params]
result = format_annotation(ann, create_autospec(Config))
assert result == expected_result
def test_process_docstring_slot_wrapper() -> None:
lines: list[str] = []
config = create_autospec(
Config,
typehints_fully_qualified=False,
simplify_optional_unions=False,
typehints_formatter=None,
autodoc_mock_imports=[],
)
app: Sphinx = create_autospec(Sphinx, config=config)
process_docstring(app, "class", "SlotWrapper", Slotted, None, lines)
assert not lines
def set_python_path() -> None:
test_path = pathlib.Path(__file__).parent
# Add test directory to sys.path to allow imports of dummy module.
if str(test_path) not in sys.path:
sys.path.insert(0, str(test_path))
def maybe_fix_py310(expected_contents: str) -> str:
if PY310_PLUS:
for old, new in [
("*bool** | **None*", '"Optional"["bool"]'),
("*int** | **str** | **float*", '"int" | "str" | "float"'),
("*str** | **None*", '"Optional"["str"]'),
("(*bool*)", '("bool")'),
("(*int*", '("int"'),
(" str", ' "str"'),
('"Optional"["str"]', '"Optional"["str"]'),
('"Optional"["Callable"[["int", "bytes"], "int"]]', '"Optional"["Callable"[["int", "bytes"], "int"]]'),
]:
expected_contents = expected_contents.replace(old, new)
return expected_contents
@pytest.mark.parametrize("always_document_param_types", [True, False], ids=["doc_param_type", "no_doc_param_type"])
@pytest.mark.sphinx("text", testroot="dummy")
@patch("sphinx.writers.text.MAXWIDTH", 2000)
def test_sphinx_output(
app: SphinxTestApp, status: StringIO, warning: StringIO, always_document_param_types: bool
) -> None:
set_python_path()
app.config.always_document_param_types = always_document_param_types # type: ignore # create flag
app.config.autodoc_mock_imports = ["mailbox"] # type: ignore # create flag
if sys.version_info < (3, 7):
app.config.autodoc_mock_imports.append("dummy_module_future_annotations")
app.build()
assert "build succeeded" in status.getvalue() # Build succeeded
# There should be a warning about an unresolved forward reference
warnings = warning.getvalue().strip()
assert "Cannot resolve forward reference in type annotations of " in warnings, warnings
format_args = {}
for indentation_level in range(2):
key = f"undoc_params_{indentation_level}"
if always_document_param_types:
format_args[key] = indent('\n\n Parameters:\n **x** ("int") --', " " * indentation_level)
else:
format_args[key] = ""
text_path = pathlib.Path(app.srcdir) / "_build" / "text" / "index.txt"
with text_path.open("r") as f:
text_contents = f.read().replace("–", "--")
expected_contents = """\
Dummy Module
************
class dummy_module.Class(x, y, z=None)
Initializer docstring.
Parameters:
* **x** ("bool") – foo
* **y** ("int") – bar
* **z** ("Optional"["str"]) – baz
class InnerClass
Inner class.
__dunder_inner_method(x)
Dunder inner method.
Parameters:
**x** ("bool") -- foo
Return type:
"str"
inner_method(x)
Inner method.
Parameters:
**x** ("bool") -- foo
Return type:
"str"
__dunder_method(x)
Dunder method docstring.
Parameters:
**x** ("str") -- foo
Return type:
"str"
__magic_custom_method__(x)
Magic dunder method docstring.
Parameters:
**x** ("str") -- foo
Return type:
"str"
_private_method(x)
Private method docstring.
Parameters:
**x** ("str") -- foo
Return type:
"str"
classmethod a_classmethod(x, y, z=None)
Classmethod docstring.
Parameters:
* **x** ("bool") – foo
* **y** ("int") – bar
* **z** ("Optional"["str"]) – baz
Return type:
"str"
a_method(x, y, z=None)
Method docstring.
Parameters:
* **x** ("bool") – foo
* **y** ("int") – bar
* **z** ("Optional"["str"]) – baz
Return type:
"str"
property a_property: str
Property docstring
Return type:
"str"
static a_staticmethod(x, y, z=None)
Staticmethod docstring.
Parameters:
* **x** ("bool") – foo
* **y** ("int") – bar
* **z** ("Optional"["str"]) – baz
Return type:
"str"
locally_defined_callable_field() -> str
Wrapper
Return type:
"str"
exception dummy_module.DummyException(message)
Exception docstring
Parameters:
**message** ("str") – blah
dummy_module.function(x, y, z_=None)
Function docstring.
Parameters:
* **x** ("bool") – foo
* **y** ("int") – bar
* **z_** ("Optional"["str"]) – baz
Returns:
something
Return type:
bytes
dummy_module.function_with_escaped_default(x='\\\\x08')
Function docstring.
Parameters:
**x** ("str") – foo
dummy_module.function_with_unresolvable_annotation(x)
Function docstring.
Parameters:
**x** (*a.b.c*) – foo
dummy_module.function_with_typehint_comment(x, y)
Function docstring.
Parameters:
* **x** ("int") – foo
* **y** ("str") – bar
Return type:
"None"
dummy_module.function_with_starred_documentation_param_names(*args, **kwargs)
Function docstring.
Parameters:
* ***args** ("int") -- foo
* ****kwargs** ("str") -- bar
class dummy_module.ClassWithTypehints(x)
Class docstring.
Parameters:
**x** ("int") -- foo
foo(x)
Method docstring.
Parameters:
**x** ("str") -- foo
Return type:
"int"
method_without_typehint(x)
Method docstring.
dummy_module.function_with_typehint_comment_not_inline(x=None, *y, z, **kwargs)
Function docstring.
Parameters:
* **x** ("Union"["str", "bytes", "None"]) -- foo
* **y** ("str") -- bar
* **z** ("bytes") -- baz
* **kwargs** ("int") -- some kwargs
Return type:
"None"
class dummy_module.ClassWithTypehintsNotInline(x=None)
Class docstring.
Parameters:
**x** ("Optional"["Callable"[["int", "bytes"], "int"]]) -- foo
foo(x=1)
Method docstring.
Parameters:
**x** ("Callable"[["int", "bytes"], "int"]) -- foo
Return type:
"int"
classmethod mk(x=None)
Method docstring.
Parameters:
**x** ("Optional"["Callable"[["int", "bytes"], "int"]]) -- foo
Return type:
"ClassWithTypehintsNotInline"
dummy_module.undocumented_function(x)
Hi{undoc_params_0}
Return type:
"str"
class dummy_module.DataClass(x)
Class docstring.{undoc_params_0}
__init__(x){undoc_params_1}
@dummy_module.Decorator(func)
Initializer docstring.
Parameters:
**func** ("Callable"[["int", "str"], "str"]) -- function
dummy_module.mocked_import(x)
A docstring.
Parameters:
**x** ("Mailbox") -- function
"""
expected_contents = dedent(expected_contents).format(**format_args).replace("–", "--")
assert text_contents == maybe_fix_py310(expected_contents)
@pytest.mark.sphinx("text", testroot="dummy")
@patch("sphinx.writers.text.MAXWIDTH", 2000)
def test_sphinx_output_future_annotations(app: SphinxTestApp, status: StringIO) -> None:
set_python_path()
app.config.master_doc = "future_annotations" # type: ignore # create flag
app.build()
assert "build succeeded" in status.getvalue() # Build succeeded
text_path = pathlib.Path(app.srcdir) / "_build" / "text" / "future_annotations.txt"
with text_path.open("r") as f:
text_contents = f.read().replace("–", "--")
expected_contents = """\
Dummy Module
************
dummy_module_future_annotations.function_with_py310_annotations(self, x, y, z=None)
Method docstring.
Parameters:
* **x** (*bool** | **None*) -- foo
* **y** (*int** | **str** | **float*) -- bar
* **z** (*str** | **None*) -- baz
Return type:
str
"""
expected_contents = maybe_fix_py310(dedent(expected_contents))
assert text_contents == expected_contents
@pytest.mark.parametrize(
("defaults_config_val", "expected"),
[
(None, '("int") -- bar'),
("comma", '("int", default: "1") -- bar'),
("braces", '("int" (default: "1")) -- bar'),
("braces-after", '("int") -- bar (default: "1")'),
("comma-after", Exception("needs to be one of")),
],
)
@pytest.mark.sphinx("text", testroot="dummy")
@patch("sphinx.writers.text.MAXWIDTH", 2000)
def test_sphinx_output_defaults(
app: SphinxTestApp, status: StringIO, defaults_config_val: str, expected: str | Exception
) -> None:
set_python_path()
app.config.master_doc = "simple" # type: ignore # create flag
app.config.typehints_defaults = defaults_config_val # type: ignore # create flag
try:
app.build()
except Exception as e:
if not isinstance(expected, Exception):
raise
assert str(expected) in str(e)
return
assert "build succeeded" in status.getvalue()
text_path = pathlib.Path(app.srcdir) / "_build" / "text" / "simple.txt"
text_contents = text_path.read_text().replace("–", "--")
expected_contents = f"""\
Simple Module
*************
dummy_module_simple.function(x, y=1)
Function docstring.
Parameters:
* **x** ("bool") -- foo
* **y** {expected}
Return type:
"str"
"""
assert text_contents == dedent(expected_contents)
@pytest.mark.parametrize(
("formatter_config_val", "expected"),
[
(None, ['("bool") -- foo', '("int") -- bar', '"str"']),
(lambda ann, conf: "Test", ["(*Test*) -- foo", "(*Test*) -- bar", "Test"]),
("some string", Exception("needs to be callable or `None`")),
],
)
@pytest.mark.sphinx("text", testroot="dummy")
@patch("sphinx.writers.text.MAXWIDTH", 2000)
def test_sphinx_output_formatter(
app: SphinxTestApp, status: StringIO, formatter_config_val: str, expected: tuple[str, ...] | Exception
) -> None:
set_python_path()
app.config.master_doc = "simple" # type: ignore # create flag
app.config.typehints_formatter = formatter_config_val # type: ignore # create flag
try:
app.build()
except Exception as e:
if not isinstance(expected, Exception):
raise
assert str(expected) in str(e)
return
assert not isinstance(expected, Exception), "Expected app.build() to raise exception, but it didn’t"
assert "build succeeded" in status.getvalue()
text_path = pathlib.Path(app.srcdir) / "_build" / "text" / "simple.txt"
text_contents = text_path.read_text().replace("–", "--")
expected_contents = f"""\
Simple Module
*************
dummy_module_simple.function(x, y=1)
Function docstring.
Parameters:
* **x** {expected[0]}
* **y** {expected[1]}
Return type:
{expected[2]}
"""
assert text_contents == dedent(expected_contents)
def test_normalize_source_lines_async_def() -> None:
source = """
async def async_function():
class InnerClass:
def __init__(self): ...
"""
expected = """
async def async_function():
class InnerClass:
def __init__(self): ...
"""
assert normalize_source_lines(dedent(source)) == dedent(expected)
def test_normalize_source_lines_def_starting_decorator_parameter() -> None:
source = """
@_with_parameters(
_Parameter("self", _Parameter.POSITIONAL_OR_KEYWORD),
*_proxy_instantiation_parameters,
_project_id,
_Parameter(
"node_numbers",
_Parameter.POSITIONAL_OR_KEYWORD,
default=None,
annotation=Optional[Iterable[int]],
),
)
def __init__(bound_args): # noqa: N805
...
"""
expected = """
@_with_parameters(
_Parameter("self", _Parameter.POSITIONAL_OR_KEYWORD),
*_proxy_instantiation_parameters,
_project_id,
_Parameter(
"node_numbers",
_Parameter.POSITIONAL_OR_KEYWORD,
default=None,
annotation=Optional[Iterable[int]],
),
)
def __init__(bound_args): # noqa: N805
...
"""
assert normalize_source_lines(dedent(source)) == dedent(expected)
@pytest.mark.parametrize("obj", [cmp_to_key, 1])
def test_default_no_signature(obj: Any) -> None:
config = create_autospec(
Config,
typehints_fully_qualified=False,
simplify_optional_unions=False,
typehints_formatter=None,
autodoc_mock_imports=[],
)
app: Sphinx = create_autospec(Sphinx, config=config)
lines: list[str] = []
process_docstring(app, "what", "name", obj, None, lines)
assert lines == []
@pytest.mark.parametrize("method", [HintedMethods.from_magic, HintedMethods().method])
def test_bound_class_method(method: FunctionType) -> None:
config = create_autospec(
Config,
typehints_fully_qualified=False,
simplify_optional_unions=False,
typehints_document_rtype=False,
always_document_param_types=True,
typehints_defaults=True,
typehints_formatter=None,
autodoc_mock_imports=[],
)
app: Sphinx = create_autospec(Sphinx, config=config)
process_docstring(app, "class", method.__qualname__, method, None, [])
def test_syntax_error_backfill() -> None:
# Regression test for #188
# fmt: off
func = ( # Note: line break here is what previously led to SyntaxError in process_docstring
lambda x: x)
# fmt: on
backfill_type_hints(func, "func")
@pytest.mark.sphinx("text", testroot="resolve-typing-guard")
def test_resolve_typing_guard_imports(app: SphinxTestApp, status: StringIO, warning: StringIO) -> None:
set_python_path()
app.config.autodoc_mock_imports = ["viktor"] # type: ignore # create flag
app.build()
assert "build succeeded" in status.getvalue()
err = warning.getvalue()
r = re.compile("WARNING: Failed guarded type import")
assert len(r.findall(err)) == 1
pat = r'WARNING: Failed guarded type import with ImportError\("cannot import name \'missing\' from \'functools\''
assert re.search(pat, err)
def test_no_source_code_type_guard() -> None:
from csv import Error
_resolve_type_guarded_imports([], Error)
@pytest.mark.sphinx("text", testroot="dummy")
@patch("sphinx.writers.text.MAXWIDTH", 2000)
def test_sphinx_output_formatter_no_use_rtype(app: SphinxTestApp, status: StringIO) -> None:
set_python_path()
app.config.master_doc = "simple_no_use_rtype" # type: ignore # create flag
app.config.typehints_use_rtype = False # type: ignore
app.build()
assert "build succeeded" in status.getvalue()
text_path = pathlib.Path(app.srcdir) / "_build" / "text" / "simple_no_use_rtype.txt"
text_contents = text_path.read_text().replace("–", "--")
expected_contents = """\
Simple Module
*************
dummy_module_simple_no_use_rtype.function_no_returns(x, y=1)
Function docstring.
Parameters:
* **x** ("bool") -- foo
* **y** ("int") -- bar
Return type:
"str"
dummy_module_simple_no_use_rtype.function_returns_with_type(x, y=1)
Function docstring.
Parameters:
* **x** ("bool") -- foo