X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/407052724fa1c97ee8bcd4e96de650def00be03e..751583a1dfc691423d96d7711a4c8d9cfe3ee9c8:/tests/test_blackd.py diff --git a/tests/test_blackd.py b/tests/test_blackd.py index 9127297..dd2126e 100644 --- a/tests/test_blackd.py +++ b/tests/test_blackd.py @@ -1,23 +1,37 @@ import re -import unittest +from typing import TYPE_CHECKING, Any, Callable, TypeVar from unittest.mock import patch +import pytest from click.testing import CliRunner -from tests.util import read_data, DETERMINISTIC_HEADER, skip_if_exception +from tests.util import DETERMINISTIC_HEADER, read_data try: - import blackd - from aiohttp.test_utils import AioHTTPTestCase, unittest_run_loop from aiohttp import web -except ImportError: - has_blackd_deps = False -else: - has_blackd_deps = True + from aiohttp.test_utils import AioHTTPTestCase + + import blackd +except ImportError as e: + raise RuntimeError("Please install Black with the 'd' extra") from e +if TYPE_CHECKING: + F = TypeVar("F", bound=Callable[..., Any]) -class BlackDTestCase(AioHTTPTestCase): - @unittest.skipUnless(has_blackd_deps, "blackd's dependencies are not installed") + unittest_run_loop: Callable[[F], F] = lambda x: x +else: + try: + from aiohttp.test_utils import unittest_run_loop + except ImportError: + # unittest_run_loop is unnecessary and a no-op since aiohttp 3.8, and + # aiohttp 4 removed it. To maintain compatibility we can make our own + # no-op decorator. + def unittest_run_loop(func, *args, **kwargs): + return func + + +@pytest.mark.blackd +class BlackDTestCase(AioHTTPTestCase): # type: ignore[misc] def test_blackd_main(self) -> None: with patch("blackd.web.run_app"): result = CliRunner().invoke(blackd.main, []) @@ -28,10 +42,6 @@ class BlackDTestCase(AioHTTPTestCase): async def get_application(self) -> web.Application: return blackd.make_app() - # TODO: remove these decorators once the below is released - # https://github.com/aio-libs/aiohttp/pull/3727 - @skip_if_exception("ClientOSError") - @unittest.skipUnless(has_blackd_deps, "blackd's dependencies are not installed") @unittest_run_loop async def test_blackd_request_needs_formatting(self) -> None: response = await self.client.post("/", data=b"print('hello world')") @@ -39,16 +49,12 @@ class BlackDTestCase(AioHTTPTestCase): self.assertEqual(response.charset, "utf8") self.assertEqual(await response.read(), b'print("hello world")\n') - @skip_if_exception("ClientOSError") - @unittest.skipUnless(has_blackd_deps, "blackd's dependencies are not installed") @unittest_run_loop async def test_blackd_request_no_change(self) -> None: response = await self.client.post("/", data=b'print("hello world")\n') self.assertEqual(response.status, 204) self.assertEqual(await response.read(), b"") - @skip_if_exception("ClientOSError") - @unittest.skipUnless(has_blackd_deps, "blackd's dependencies are not installed") @unittest_run_loop async def test_blackd_request_syntax_error(self) -> None: response = await self.client.post("/", data=b"what even ( is") @@ -59,8 +65,6 @@ class BlackDTestCase(AioHTTPTestCase): msg=f"Expected error to start with 'Cannot parse', got {repr(content)}", ) - @skip_if_exception("ClientOSError") - @unittest.skipUnless(has_blackd_deps, "blackd's dependencies are not installed") @unittest_run_loop async def test_blackd_unsupported_version(self) -> None: response = await self.client.post( @@ -68,8 +72,6 @@ class BlackDTestCase(AioHTTPTestCase): ) self.assertEqual(response.status, 501) - @skip_if_exception("ClientOSError") - @unittest.skipUnless(has_blackd_deps, "blackd's dependencies are not installed") @unittest_run_loop async def test_blackd_supported_version(self) -> None: response = await self.client.post( @@ -77,13 +79,13 @@ class BlackDTestCase(AioHTTPTestCase): ) self.assertEqual(response.status, 200) - @skip_if_exception("ClientOSError") - @unittest.skipUnless(has_blackd_deps, "blackd's dependencies are not installed") @unittest_run_loop async def test_blackd_invalid_python_variant(self) -> None: async def check(header_value: str, expected_status: int = 400) -> None: response = await self.client.post( - "/", data=b"what", headers={blackd.PYTHON_VARIANT_HEADER: header_value} + "/", + data=b"what", + headers={blackd.PYTHON_VARIANT_HEADER: header_value}, ) self.assertEqual(response.status, expected_status) @@ -91,33 +93,32 @@ class BlackDTestCase(AioHTTPTestCase): await check("ruby3.5") await check("pyi3.6") await check("py1.5") + await check("2") + await check("2.7") + await check("py2.7") await check("2.8") await check("py2.8") await check("3.0") await check("pypy3.0") await check("jython3.4") - @skip_if_exception("ClientOSError") - @unittest.skipUnless(has_blackd_deps, "blackd's dependencies are not installed") @unittest_run_loop async def test_blackd_pyi(self) -> None: - source, expected = read_data("stub.pyi") + source, expected = read_data("miscellaneous", "stub.pyi") response = await self.client.post( "/", data=source, headers={blackd.PYTHON_VARIANT_HEADER: "pyi"} ) self.assertEqual(response.status, 200) self.assertEqual(await response.text(), expected) - @skip_if_exception("ClientOSError") - @unittest.skipUnless(has_blackd_deps, "blackd's dependencies are not installed") @unittest_run_loop async def test_blackd_diff(self) -> None: diff_header = re.compile( - r"(In|Out)\t\d\d\d\d-\d\d-\d\d \d\d:\d\d:\d\d\.\d\d\d\d\d\d \+\d\d\d\d" + r"(In|Out)\t\d\d\d\d-\d\d-\d\d \d\d:\d\d:\d\d\.\d\d\d\d\d\d\+\d\d:\d\d" ) - source, _ = read_data("blackd_diff.py") - expected, _ = read_data("blackd_diff.diff") + source, _ = read_data("miscellaneous", "blackd_diff") + expected, _ = read_data("miscellaneous", "blackd_diff.diff") response = await self.client.post( "/", data=source, headers={blackd.DIFF_HEADER: "true"} @@ -128,8 +129,6 @@ class BlackDTestCase(AioHTTPTestCase): actual = diff_header.sub(DETERMINISTIC_HEADER, actual) self.assertEqual(actual, expected) - @skip_if_exception("ClientOSError") - @unittest.skipUnless(has_blackd_deps, "blackd's dependencies are not installed") @unittest_run_loop async def test_blackd_python_variant(self) -> None: code = ( @@ -157,17 +156,11 @@ class BlackDTestCase(AioHTTPTestCase): await check("py36,py37", 200) await check("36", 200) await check("3.6.4", 200) - - await check("2", 204) - await check("2.7", 204) - await check("py2.7", 204) await check("3.4", 204) await check("py3.4", 204) await check("py34,py36", 204) await check("34", 204) - @skip_if_exception("ClientOSError") - @unittest.skipUnless(has_blackd_deps, "blackd's dependencies are not installed") @unittest_run_loop async def test_blackd_line_length(self) -> None: response = await self.client.post( @@ -175,18 +168,81 @@ class BlackDTestCase(AioHTTPTestCase): ) self.assertEqual(response.status, 200) - @skip_if_exception("ClientOSError") - @unittest.skipUnless(has_blackd_deps, "blackd's dependencies are not installed") @unittest_run_loop async def test_blackd_invalid_line_length(self) -> None: response = await self.client.post( - "/", data=b'print("hello")\n', headers={blackd.LINE_LENGTH_HEADER: "NaN"} + "/", + data=b'print("hello")\n', + headers={blackd.LINE_LENGTH_HEADER: "NaN"}, ) self.assertEqual(response.status, 400) - @skip_if_exception("ClientOSError") - @unittest.skipUnless(has_blackd_deps, "blackd's dependencies are not installed") + @unittest_run_loop + async def test_blackd_skip_first_source_line(self) -> None: + invalid_first_line = b"Header will be skipped\r\ni = [1,2,3]\nj = [1,2,3]\n" + expected_result = b"Header will be skipped\r\ni = [1, 2, 3]\nj = [1, 2, 3]\n" + response = await self.client.post("/", data=invalid_first_line) + self.assertEqual(response.status, 400) + response = await self.client.post( + "/", + data=invalid_first_line, + headers={blackd.SKIP_SOURCE_FIRST_LINE: "true"}, + ) + self.assertEqual(response.status, 200) + self.assertEqual(await response.read(), expected_result) + + @unittest_run_loop + async def test_blackd_preview(self) -> None: + response = await self.client.post( + "/", data=b'print("hello")\n', headers={blackd.PREVIEW: "true"} + ) + self.assertEqual(response.status, 204) + @unittest_run_loop async def test_blackd_response_black_version_header(self) -> None: response = await self.client.post("/") self.assertIsNotNone(response.headers.get(blackd.BLACK_VERSION_HEADER)) + + @unittest_run_loop + async def test_cors_preflight(self) -> None: + response = await self.client.options( + "/", + headers={ + "Access-Control-Request-Method": "POST", + "Origin": "*", + "Access-Control-Request-Headers": "Content-Type", + }, + ) + self.assertEqual(response.status, 200) + self.assertIsNotNone(response.headers.get("Access-Control-Allow-Origin")) + self.assertIsNotNone(response.headers.get("Access-Control-Allow-Headers")) + self.assertIsNotNone(response.headers.get("Access-Control-Allow-Methods")) + + @unittest_run_loop + async def test_cors_headers_present(self) -> None: + response = await self.client.post("/", headers={"Origin": "*"}) + self.assertIsNotNone(response.headers.get("Access-Control-Allow-Origin")) + self.assertIsNotNone(response.headers.get("Access-Control-Expose-Headers")) + + @unittest_run_loop + async def test_preserves_line_endings(self) -> None: + for data in (b"c\r\nc\r\n", b"l\nl\n"): + # test preserved newlines when reformatted + response = await self.client.post("/", data=data + b" ") + self.assertEqual(await response.text(), data.decode()) + # test 204 when no change + response = await self.client.post("/", data=data) + self.assertEqual(response.status, 204) + + @unittest_run_loop + async def test_normalizes_line_endings(self) -> None: + for data, expected in ((b"c\r\nc\n", "c\r\nc\r\n"), (b"l\nl\r\n", "l\nl\n")): + response = await self.client.post("/", data=data) + self.assertEqual(await response.text(), expected) + self.assertEqual(response.status, 200) + + @unittest_run_loop + async def test_single_character(self) -> None: + response = await self.client.post("/", data="1") + self.assertEqual(await response.text(), "1\n") + self.assertEqual(response.status, 200)