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test_integration.py
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test_integration.py
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import re
import sys
from dataclasses import dataclass
from inspect import isclass
from io import StringIO
from mailbox import Mailbox
from pathlib import Path
from textwrap import dedent, indent
from types import CodeType, ModuleType
from typing import Any, Callable, Optional, TypeVar, Union, overload
import pytest
from sphinx.testing.util import SphinxTestApp
T = TypeVar("T")
def expected(expected: str) -> Callable[[T], T]:
def dec(val: T) -> T:
val.EXPECTED = expected
return val
return dec
def warns(pattern: str) -> Callable[[T], T]:
def dec(val: T) -> T:
val.WARNING = pattern
return val
return dec
@expected("mod.get_local_function()")
def get_local_function():
def wrapper(self) -> str:
"""
Wrapper
"""
return wrapper
@warns("Cannot handle as a local function")
@expected(
"""\
class mod.Class(x, y, z=None)
Initializer docstring.
Parameters:
* **x** ("bool") -- foo
* **y** ("int") -- bar
* **z** ("Optional"["str"]) -- baz
class InnerClass
Inner class.
inner_method(x)
Inner method.
Parameters:
**x** ("bool") -- 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
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"
"""
)
class Class:
"""
Initializer docstring.
:param x: foo
:param y: bar
:param z: baz
"""
def __init__(self, x: bool, y: int, z: Optional[str] = None) -> None: # noqa: U100
pass
def a_method(self, x: bool, y: int, z: Optional[str] = None) -> str: # noqa: U100
"""
Method docstring.
:param x: foo
:param y: bar
:param z: baz
"""
def _private_method(self, x: str) -> str: # noqa: U100
"""
Private method docstring.
:param x: foo
"""
def __dunder_method(self, x: str) -> str: # noqa: U100
"""
Dunder method docstring.
:param x: foo
"""
def __magic_custom_method__(self, x: str) -> str: # noqa: U100
"""
Magic dunder method docstring.
:param x: foo
"""
@classmethod
def a_classmethod(cls, x: bool, y: int, z: Optional[str] = None) -> str: # noqa: U100
"""
Classmethod docstring.
:param x: foo
:param y: bar
:param z: baz
"""
@staticmethod
def a_staticmethod(x: bool, y: int, z: Optional[str] = None) -> str: # noqa: U100
"""
Staticmethod docstring.
:param x: foo
:param y: bar
:param z: baz
"""
@property
def a_property(self) -> str:
"""
Property docstring
"""
class InnerClass:
"""
Inner class.
"""
def inner_method(self, x: bool) -> str: # noqa: U100
"""
Inner method.
:param x: foo
"""
def __dunder_inner_method(self, x: bool) -> str: # noqa: U100
"""
Dunder inner method.
:param x: foo
"""
locally_defined_callable_field = get_local_function()
@expected(
"""\
exception mod.DummyException(message)
Exception docstring
Parameters:
**message** ("str") -- blah
"""
)
class DummyException(Exception): # noqa: N818
"""
Exception docstring
:param message: blah
"""
def __init__(self, message: str) -> None:
super().__init__(message)
@expected(
"""\
mod.function(x, y, z_=None)
Function docstring.
Parameters:
* **x** ("bool") -- foo
* **y** ("int") -- bar
* **z_** ("Optional"["str"]) -- baz
Returns:
something
Return type:
bytes
"""
)
def function(x: bool, y: int, z_: Optional[str] = None) -> str: # noqa: U100
"""
Function docstring.
:param x: foo
:param y: bar
:param z\\_: baz
:return: something
:rtype: bytes
"""
@expected(
"""\
mod.function_with_starred_documentation_param_names(*args, **kwargs)
Function docstring.
Usage:
print(1)
Parameters:
* ***args** ("int") -- foo
* ****kwargs** ("str") -- bar
"""
)
def function_with_starred_documentation_param_names(*args: int, **kwargs: str): # noqa: U100
r"""
Function docstring.
Usage::
print(1)
:param \*args: foo
:param \**kwargs: bar
"""
@expected(
"""\
mod.function_with_escaped_default(x='\\\\x08')
Function docstring.
Parameters:
**x** ("str") -- foo
"""
)
def function_with_escaped_default(x: str = "\b"): # noqa: U100
"""
Function docstring.
:param x: foo
"""
@warns("Cannot resolve forward reference in type annotations")
@expected(
"""\
mod.function_with_unresolvable_annotation(x)
Function docstring.
Parameters:
**x** (*a.b.c*) -- foo
"""
)
def function_with_unresolvable_annotation(x: "a.b.c"): # noqa: U100,F821
"""
Function docstring.
:arg x: foo
"""
@expected(
"""\
mod.function_with_typehint_comment(x, y)
Function docstring.
Parameters:
* **x** ("int") -- foo
* **y** ("str") -- bar
Return type:
"None"
"""
)
def function_with_typehint_comment(
x, # type: int # noqa: U100
y, # type: str # noqa: U100
):
# type: (...) -> None
"""
Function docstring.
:parameter x: foo
:parameter y: bar
"""
@expected(
"""\
class mod.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.
"""
)
class ClassWithTypehints:
"""
Class docstring.
:param x: foo
"""
def __init__(
self, x # type: int # noqa: U100
):
# type: (...) -> None
pass
def foo(
self, x # type: str # noqa: U100
):
# type: (...) -> int
"""
Method docstring.
:arg x: foo
"""
return 42
def method_without_typehint(self, x): # noqa: U100
"""
Method docstring.
"""
# test that multiline str can be correctly indented
multiline_str = """
test
"""
return multiline_str
@expected(
"""\
mod.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"
"""
)
def function_with_typehint_comment_not_inline(x=None, *y, z, **kwargs): # noqa: U100
# type: (Union[str, bytes, None], *str, bytes, **int) -> None
"""
Function docstring.
:arg x: foo
:argument y: bar
:parameter z: baz
:parameter kwargs: some kwargs
"""
@expected(
"""\
class mod.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"
"""
)
class ClassWithTypehintsNotInline:
"""
Class docstring.
:param x: foo
"""
def __init__(self, x=None): # noqa: U100
# type: (Optional[Callable[[int, bytes], int]]) -> None
pass
def foo(self, x=1):
# type: (Callable[[int, bytes], int]) -> int
"""
Method docstring.
:param x: foo
"""
return x(1, b"")
@classmethod
def mk(cls, x=None):
# type: (Optional[Callable[[int, bytes], int]]) -> ClassWithTypehintsNotInline
"""
Method docstring.
:param x: foo
"""
return cls(x)
@expected(
"""\
mod.undocumented_function(x)
Hi
Return type:
"str"
"""
)
def undocumented_function(x: int) -> str:
"""Hi"""
return str(x)
@expected(
"""\
class mod.DataClass(x)
Class docstring.
"""
)
@dataclass
class DataClass:
"""Class docstring."""
x: int
@expected(
"""\
class mod.Decorator(func)
Initializer docstring.
Parameters:
**func** ("Callable"[["int", "str"], "str"]) -- function
"""
)
class Decorator:
"""
Initializer docstring.
:param func: function
"""
def __init__(self, func: Callable[[int, str], str]): # noqa: U100
pass
@expected(
"""\
mod.mocked_import(x)
A docstring.
Parameters:
**x** ("Mailbox") -- function
"""
)
def mocked_import(x: Mailbox): # noqa: U100
"""
A docstring.
:param x: function
"""
@expected(
"""\
mod.func_with_examples()
A docstring.
Return type:
"int"
-[ Examples ]-
Here are a couple of examples of how to use this function.
"""
)
def func_with_examples() -> int:
"""
A docstring.
.. rubric:: Examples
Here are a couple of examples of how to use this function.
"""
@overload
def func_with_overload(a: int, b: int) -> None: # noqa: U100
...
@overload
def func_with_overload(a: str, b: str) -> None: # noqa: U100
...
@expected(
"""\
mod.func_with_overload(a, b)
f does the thing. The arguments can either be ints or strings but
they must both have the same type.
Parameters:
* **a** ("Union"["int", "str"]) -- The first thing
* **b** ("Union"["int", "str"]) -- The second thing
Return type:
"None"
"""
)
def func_with_overload(a: Union[int, str], b: Union[int, str]) -> None: # noqa: U100
"""
f does the thing. The arguments can either be ints or strings but they must
both have the same type.
Parameters
----------
a:
The first thing
b:
The second thing
"""
@expected(
"""\
class mod.TestClassAttributeDocs
A class
code: "Optional"["CodeType"]
An attribute
"""
)
class TestClassAttributeDocs:
"""A class"""
code: Union[CodeType, None]
"""An attribute"""
@expected(
"""\
mod.func_with_examples_and_returns_after()
f does the thing.
-[ Examples ]-
Here is an example
Return type:
"int"
Returns:
The index of the widget
"""
)
def func_with_examples_and_returns_after() -> int:
"""
f does the thing.
Examples
--------
Here is an example
:returns: The index of the widget
"""
@expected(
"""\
mod.func_with_parameters_and_stuff_after(a, b)
A func
Parameters:
* **a** ("int") -- a tells us something
* **b** ("int") -- b tells us something
Return type:
"int"
More info about the function here.
"""
)
def func_with_parameters_and_stuff_after(a: int, b: int) -> int: # noqa: U100
"""A func
:param a: a tells us something
:param b: b tells us something
More info about the function here.
"""
@expected(
"""\
mod.func_with_rtype_in_weird_spot(a, b)
A func
Parameters:
* **a** ("int") -- a tells us something
* **b** ("int") -- b tells us something
-[ Examples ]-
Here is an example
Returns:
The index of the widget
More info about the function here.
Return type:
int
"""
)
def func_with_rtype_in_weird_spot(a: int, b: int) -> int: # noqa: U100
"""A func
:param a: a tells us something
:param b: b tells us something
Examples
--------
Here is an example
:returns: The index of the widget
More info about the function here.
:rtype: int
"""
@expected(
"""\
mod.empty_line_between_parameters(a, b)
A func
Parameters:
* **a** ("int") --
One of the following possibilities:
* a
* b
* c
* **b** ("int") --
Whatever else we have to say.
There is more of it And here too
Return type:
"int"
More stuff here.
"""
)
def empty_line_between_parameters(a: int, b: int) -> int: # noqa: U100
"""A func
:param a: One of the following possibilities:
- a
- b
- c
:param b: Whatever else we have to say.
There is more of it And here too
More stuff here.
"""
@expected(
"""\
mod.func_with_code_block()
A docstring.
You would say:
print("some python code here")
Return type:
"int"
-[ Examples ]-
Here are a couple of examples of how to use this function.
"""
)
def func_with_code_block() -> int:
"""
A docstring.
You would say:
.. code-block::
print("some python code here")
.. rubric:: Examples
Here are a couple of examples of how to use this function.
"""
@expected(
"""
mod.func_with_definition_list()
Some text and then a definition list.
Return type:
"int"
abc
x
xyz
something
"""
)
def func_with_definition_list() -> int:
"""Some text and then a definition list.
abc
x
xyz
something
"""
# See https://github.com/tox-dev/sphinx-autodoc-typehints/issues/302
@expected(
"""\
mod.decorator_2(f)
Run the decorated function with *asyncio.run*.
Parameters:
**f** ("Any") -- The function to wrap.
Return type:
"Any"
-[ Examples ]-
A
"""
)
def decorator_2(f: Any) -> Any:
"""Run the decorated function with `asyncio.run`.
Parameters
----------
f
The function to wrap.
Examples
--------
.. code-block:: python
A
"""
f
@expected(
"""
class mod.ParamAndAttributeHaveSameName(blah)
A Class
Parameters:
**blah** ("CodeType") -- Description of parameter blah
blah: "ModuleType"
Description of attribute blah
"""
)
class ParamAndAttributeHaveSameName:
"""
A Class
Parameters
----------
blah:
Description of parameter blah
"""
def __init__(self, blah: CodeType): # noqa: U100
pass
blah: ModuleType
"""Description of attribute blah"""
AUTO_FUNCTION = ".. autofunction:: mod.{}"
AUTO_CLASS = """\
.. autoclass:: mod.{}
:members:
"""
AUTO_EXCEPTION = """\
.. autoexception:: mod.{}
:members:
"""
@pytest.mark.parametrize("object", [x for x in globals().values() if hasattr(x, "EXPECTED")])
@pytest.mark.sphinx("text", testroot="integration")
def test_integration(app: SphinxTestApp, status: StringIO, warning: StringIO, monkeypatch, object: Any) -> None:
if isclass(object) and issubclass(object, BaseException):
template = AUTO_EXCEPTION
elif isclass(object):
template = AUTO_CLASS
else:
template = AUTO_FUNCTION
(Path(app.srcdir) / "index.rst").write_text(template.format(object.__name__))
monkeypatch.setitem(sys.modules, "mod", sys.modules[__name__])
app.build()
assert "build succeeded" in status.getvalue() # Build succeeded
regexp = getattr(object, "WARNING", None)
value = warning.getvalue().strip()
if regexp:
msg = f"Regex pattern did not match.\n Regex: {regexp!r}\n Input: {value!r}"
assert re.search(regexp, value), msg
else:
assert not value
result = (Path(app.srcdir) / "_build/text/index.txt").read_text()
expected = object.EXPECTED
try:
assert result.strip() == dedent(expected).strip()
except Exception:
indented = indent(f'"""\n{result}\n"""', " " * 4)
print(f"@expected(\n{indented}\n)\n")
raise