import re
+from typing import TYPE_CHECKING, Any, Callable, TypeVar
from unittest.mock import patch
-from click.testing import CliRunner
import pytest
+from click.testing import CliRunner
-from tests.util import read_data, DETERMINISTIC_HEADER
+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
+ 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])
+
+ unittest_run_loop: Callable[[F], F] = lambda x: x
else:
- has_blackd_deps = True
+ 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
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)
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")
@unittest_run_loop
async def test_blackd_pyi(self) -> None:
- source, expected = read_data("stub.pyi")
+ source, expected = read_data("cases", "stub.py")
response = await self.client.post(
"/", data=source, headers={blackd.PYTHON_VARIANT_HEADER: "pyi"}
)
@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"}
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)
@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)
+ @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)
projects / etc / vim.git / blobdiff