- @unittest_run_loop
- async def test_blackd_supported_version(self) -> None:
- response = await self.client.post(
- "/", data=b"what", headers={blackd.PROTOCOL_VERSION_HEADER: "1"}
- )
- self.assertEqual(response.status, 200)
-
- @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},
- )
- self.assertEqual(response.status, expected_status)
-
- await check("lol")
- 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")
-
- @unittest_run_loop
- async def test_blackd_pyi(self) -> None:
- 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)
-
- @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"
- )
-
- 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"}
- )
- self.assertEqual(response.status, 200)
-
- actual = await response.text()
- actual = diff_header.sub(DETERMINISTIC_HEADER, actual)
- self.assertEqual(actual, expected)
-
- @unittest_run_loop
- async def test_blackd_python_variant(self) -> None:
- code = (
- "def f(\n"
- " and_has_a_bunch_of,\n"
- " very_long_arguments_too,\n"
- " and_lots_of_them_as_well_lol,\n"
- " **and_very_long_keyword_arguments\n"
- "):\n"
- " pass\n"
- )
-
- async def check(header_value: str, expected_status: int) -> None:
- response = await self.client.post(
- "/", data=code, headers={blackd.PYTHON_VARIANT_HEADER: header_value}
- )
- self.assertEqual(
- response.status, expected_status, msg=await response.text()
- )
-
- await check("3.6", 200)
- await check("py3.6", 200)
- await check("3.6,3.7", 200)
- await check("3.6,py3.7", 200)
- await check("py36,py37", 200)
- await check("36", 200)
- await check("3.6.4", 200)
- await check("3.4", 204)
- await check("py3.4", 204)
- await check("py34,py36", 204)
- await check("34", 204)
-
- @unittest_run_loop
- async def test_blackd_line_length(self) -> None:
- response = await self.client.post(
- "/", data=b'print("hello")\n', headers={blackd.LINE_LENGTH_HEADER: "7"}
- )
- self.assertEqual(response.status, 200)
-
- @unittest_run_loop
- async def test_blackd_invalid_line_length(self) -> None:
+ 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, [])
+ if result.exception is not None:
+ raise result.exception
+ self.assertEqual(result.exit_code, 0)
+
+ async def get_application(self) -> web.Application:
+ return blackd.make_app()
+
+ @unittest_run_loop
+ async def test_blackd_request_needs_formatting(self) -> None:
+ response = await self.client.post("/", data=b"print('hello world')")
+ self.assertEqual(response.status, 200)
+ self.assertEqual(response.charset, "utf8")
+ self.assertEqual(await response.read(), b'print("hello world")\n')
+
+ @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"")
+
+ @unittest_run_loop
+ async def test_blackd_request_syntax_error(self) -> None:
+ response = await self.client.post("/", data=b"what even ( is")
+ self.assertEqual(response.status, 400)
+ content = await response.text()
+ self.assertTrue(
+ content.startswith("Cannot parse"),
+ msg=f"Expected error to start with 'Cannot parse', got {repr(content)}",
+ )
+
+ @unittest_run_loop
+ async def test_blackd_unsupported_version(self) -> None:
+ response = await self.client.post(
+ "/", data=b"what", headers={blackd.PROTOCOL_VERSION_HEADER: "2"}
+ )
+ self.assertEqual(response.status, 501)
+
+ @unittest_run_loop
+ async def test_blackd_supported_version(self) -> None:
+ response = await self.client.post(
+ "/", data=b"what", headers={blackd.PROTOCOL_VERSION_HEADER: "1"}
+ )
+ self.assertEqual(response.status, 200)
+
+ @unittest_run_loop
+ async def test_blackd_invalid_python_variant(self) -> None:
+ async def check(header_value: str, expected_status: int = 400) -> None: