--- /dev/null
+import re
+from unittest.mock import patch
+
+from click.testing import CliRunner
+import pytest
+
+from tests.util import read_data, DETERMINISTIC_HEADER
+
+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
+
+
+@pytest.mark.blackd
+class BlackDTestCase(AioHTTPTestCase):
+ 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:
+ 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("2.8")
+ 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("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("blackd_diff.py")
+ expected, _ = read_data("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("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)
+
+ @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:
+ response = await self.client.post(
+ "/", data=b'print("hello")\n', headers={blackd.LINE_LENGTH_HEADER: "NaN"}
+ )
+ self.assertEqual(response.status, 400)
+
+ @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"))
projects / etc / vim.git / blobdiff