X-Git-Url: https://git.madduck.net/etc/vim.git/blobdiff_plain/6b5eb7d4651c7333cc3f5df4bf7aa7a1f1ffb45b..fc804d5f59be498c6bf7c3fb8180819e4c4ff714:/tests/test_black.py diff --git a/tests/test_black.py b/tests/test_black.py index e09feff..acbaade 100644 --- a/tests/test_black.py +++ b/tests/test_black.py @@ -3,24 +3,14 @@ import asyncio import logging from concurrent.futures import ThreadPoolExecutor from contextlib import contextmanager -from functools import partial, wraps +from functools import partial from io import BytesIO, TextIOWrapper import os from pathlib import Path -import re +import regex as re import sys from tempfile import TemporaryDirectory -from typing import ( - Any, - BinaryIO, - Callable, - Coroutine, - Generator, - List, - Tuple, - Iterator, - TypeVar, -) +from typing import Any, BinaryIO, Generator, List, Tuple, Iterator, TypeVar import unittest from unittest.mock import patch, MagicMock @@ -32,16 +22,20 @@ from black import Feature, TargetVersion try: import blackd - from aiohttp.test_utils import TestClient, TestServer + 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 pathspec import PathSpec + ff = partial(black.format_file_in_place, mode=black.FileMode(), fast=True) fs = partial(black.format_str, mode=black.FileMode()) THIS_FILE = Path(__file__) THIS_DIR = THIS_FILE.parent +DETERMINISTIC_HEADER = "[Deterministic header]" EMPTY_LINE = "# EMPTY LINE WITH WHITESPACE" + " (this comment will be removed)" PY36_ARGS = [ f"--target-version={version.name.lower()}" for version in black.PY36_VERSIONS @@ -90,27 +84,16 @@ def cache_dir(exists: bool = True) -> Iterator[Path]: @contextmanager def event_loop(close: bool) -> Iterator[None]: policy = asyncio.get_event_loop_policy() - old_loop = policy.get_event_loop() loop = policy.new_event_loop() asyncio.set_event_loop(loop) try: yield finally: - policy.set_event_loop(old_loop) if close: loop.close() -def async_test(f: Callable[..., Coroutine[Any, None, R]]) -> Callable[..., None]: - @event_loop(close=True) - @wraps(f) - def wrapper(*args: Any, **kwargs: Any) -> None: - asyncio.get_event_loop().run_until_complete(f(*args, **kwargs)) - - return wrapper - - @contextmanager def skip_if_exception(e: str) -> Iterator[None]: try: @@ -118,6 +101,8 @@ def skip_if_exception(e: str) -> Iterator[None]: except Exception as exc: if exc.__class__.__name__ == e: unittest.skip(f"Encountered expected exception {exc}, skipping") + else: + raise class BlackRunner(CliRunner): @@ -176,6 +161,16 @@ class BlackTestCase(unittest.TestCase): result = runner.invoke(black.main, args) self.assertEqual(result.exit_code, exit_code, msg=runner.stderr_bytes.decode()) + @patch("black.dump_to_file", dump_to_stderr) + def checkSourceFile(self, name: str) -> None: + path = THIS_DIR.parent / name + source, expected = read_data(str(path), data=False) + actual = fs(source) + self.assertFormatEqual(expected, actual) + black.assert_equivalent(source, actual) + black.assert_stable(source, actual, black.FileMode()) + self.assertFalse(ff(path)) + @patch("black.dump_to_file", dump_to_stderr) def test_empty(self) -> None: source = expected = "" @@ -195,23 +190,44 @@ class BlackTestCase(unittest.TestCase): os.unlink(tmp_file) self.assertFormatEqual(expected, actual) - @patch("black.dump_to_file", dump_to_stderr) def test_self(self) -> None: - source, expected = read_data("test_black", data=False) - actual = fs(source) - self.assertFormatEqual(expected, actual) - black.assert_equivalent(source, actual) - black.assert_stable(source, actual, black.FileMode()) - self.assertFalse(ff(THIS_FILE)) + self.checkSourceFile("tests/test_black.py") - @patch("black.dump_to_file", dump_to_stderr) def test_black(self) -> None: - source, expected = read_data("../black", data=False) - actual = fs(source) - self.assertFormatEqual(expected, actual) - black.assert_equivalent(source, actual) - black.assert_stable(source, actual, black.FileMode()) - self.assertFalse(ff(THIS_DIR / ".." / "black.py")) + self.checkSourceFile("black.py") + + def test_pygram(self) -> None: + self.checkSourceFile("blib2to3/pygram.py") + + def test_pytree(self) -> None: + self.checkSourceFile("blib2to3/pytree.py") + + def test_conv(self) -> None: + self.checkSourceFile("blib2to3/pgen2/conv.py") + + def test_driver(self) -> None: + self.checkSourceFile("blib2to3/pgen2/driver.py") + + def test_grammar(self) -> None: + self.checkSourceFile("blib2to3/pgen2/grammar.py") + + def test_literals(self) -> None: + self.checkSourceFile("blib2to3/pgen2/literals.py") + + def test_parse(self) -> None: + self.checkSourceFile("blib2to3/pgen2/parse.py") + + def test_pgen(self) -> None: + self.checkSourceFile("blib2to3/pgen2/pgen.py") + + def test_tokenize(self) -> None: + self.checkSourceFile("blib2to3/pgen2/tokenize.py") + + def test_token(self) -> None: + self.checkSourceFile("blib2to3/pgen2/token.py") + + def test_setup(self) -> None: + self.checkSourceFile("setup.py") def test_piping(self) -> None: source, expected = read_data("../black", data=False) @@ -244,19 +260,10 @@ class BlackTestCase(unittest.TestCase): black.main, args, input=BytesIO(source.encode("utf8")) ) self.assertEqual(result.exit_code, 0) - actual = diff_header.sub("[Deterministic header]", result.output) + actual = diff_header.sub(DETERMINISTIC_HEADER, result.output) actual = actual.rstrip() + "\n" # the diff output has a trailing space self.assertEqual(expected, actual) - @patch("black.dump_to_file", dump_to_stderr) - def test_setup(self) -> None: - source, expected = read_data("../setup", data=False) - actual = fs(source) - self.assertFormatEqual(expected, actual) - black.assert_equivalent(source, actual) - black.assert_stable(source, actual, black.FileMode()) - self.assertFalse(ff(THIS_DIR / ".." / "setup.py")) - @patch("black.dump_to_file", dump_to_stderr) def test_function(self) -> None: source, expected = read_data("function") @@ -334,7 +341,7 @@ class BlackTestCase(unittest.TestCase): finally: os.unlink(tmp_file) actual = result.output - actual = diff_header.sub("[Deterministic header]", actual) + actual = diff_header.sub(DETERMINISTIC_HEADER, actual) actual = actual.rstrip() + "\n" # the diff output has a trailing space if expected != actual: dump = black.dump_to_file(actual) @@ -591,6 +598,16 @@ class BlackTestCase(unittest.TestCase): # but not on 3.6, because we use async as a reserved keyword self.invokeBlack([str(source_path), "--target-version", "py36"], exit_code=123) + @patch("black.dump_to_file", dump_to_stderr) + def test_python38(self) -> None: + source, expected = read_data("python38") + actual = fs(source) + self.assertFormatEqual(expected, actual) + major, minor = sys.version_info[:2] + if major > 3 or (major == 3 and minor >= 8): + black.assert_equivalent(source, actual) + black.assert_stable(source, actual, black.FileMode()) + @patch("black.dump_to_file", dump_to_stderr) def test_fmtonoff(self) -> None: source, expected = read_data("fmtonoff") @@ -607,6 +624,14 @@ class BlackTestCase(unittest.TestCase): black.assert_equivalent(source, actual) black.assert_stable(source, actual, black.FileMode()) + @patch("black.dump_to_file", dump_to_stderr) + def test_fmtonoff3(self) -> None: + source, expected = read_data("fmtonoff3") + actual = fs(source) + self.assertFormatEqual(expected, actual) + black.assert_equivalent(source, actual) + black.assert_stable(source, actual, black.FileMode()) + @patch("black.dump_to_file", dump_to_stderr) def test_remove_empty_parentheses_after_class(self) -> None: source, expected = read_data("class_blank_parentheses") @@ -639,6 +664,14 @@ class BlackTestCase(unittest.TestCase): black.assert_equivalent(source, actual) black.assert_stable(source, actual, black.FileMode()) + @patch("black.dump_to_file", dump_to_stderr) + def test_beginning_backslash(self) -> None: + source, expected = read_data("beginning_backslash") + actual = fs(source) + self.assertFormatEqual(expected, actual) + black.assert_equivalent(source, actual) + black.assert_stable(source, actual, black.FileMode()) + def test_tab_comment_indentation(self) -> None: contents_tab = "if 1:\n\tif 2:\n\t\tpass\n\t# comment\n\tpass\n" contents_spc = "if 1:\n if 2:\n pass\n # comment\n pass\n" @@ -755,6 +788,13 @@ class BlackTestCase(unittest.TestCase): "2 files would be reformatted, 3 files would be left unchanged, " "2 files would fail to reformat.", ) + report.check = False + report.diff = True + self.assertEqual( + unstyle(str(report)), + "2 files would be reformatted, 3 files would be left unchanged, " + "2 files would fail to reformat.", + ) def test_report_quiet(self) -> None: report = black.Report(quiet=True) @@ -842,6 +882,13 @@ class BlackTestCase(unittest.TestCase): "2 files would be reformatted, 3 files would be left unchanged, " "2 files would fail to reformat.", ) + report.check = False + report.diff = True + self.assertEqual( + unstyle(str(report)), + "2 files would be reformatted, 3 files would be left unchanged, " + "2 files would fail to reformat.", + ) def test_report_normal(self) -> None: report = black.Report() @@ -932,6 +979,13 @@ class BlackTestCase(unittest.TestCase): "2 files would be reformatted, 3 files would be left unchanged, " "2 files would fail to reformat.", ) + report.check = False + report.diff = True + self.assertEqual( + unstyle(str(report)), + "2 files would be reformatted, 3 files would be left unchanged, " + "2 files would fail to reformat.", + ) def test_lib2to3_parse(self) -> None: with self.assertRaises(black.InvalidInput): @@ -1051,10 +1105,10 @@ class BlackTestCase(unittest.TestCase): just_nl = "\n" with self.assertRaises(black.NothingChanged): black.format_file_contents(just_nl, mode=mode, fast=False) - same = "l = [1, 2, 3]\n" + same = "j = [1, 2, 3]\n" with self.assertRaises(black.NothingChanged): black.format_file_contents(same, mode=mode, fast=False) - different = "l = [1,2,3]" + different = "j = [1,2,3]" expected = same actual = black.format_file_contents(different, mode=mode, fast=False) self.assertEqual(expected, actual) @@ -1082,7 +1136,7 @@ class BlackTestCase(unittest.TestCase): with patch("black.out", out), patch("black.err", err): with self.assertRaises(AssertionError): - self.assertFormatEqual("l = [1, 2, 3]", "l = [1, 2, 3,]") + self.assertFormatEqual("j = [1, 2, 3]", "j = [1, 2, 3,]") out_str = "".join(out_lines) self.assertTrue("Expected tree:" in out_str) @@ -1255,6 +1309,13 @@ class BlackTestCase(unittest.TestCase): two = black.read_cache(short_mode) self.assertNotIn(path, two) + def test_tricky_unicode_symbols(self) -> None: + source, expected = read_data("tricky_unicode_symbols") + actual = fs(source) + self.assertFormatEqual(expected, actual) + black.assert_equivalent(source, actual) + black.assert_stable(source, actual, black.FileMode()) + def test_single_file_force_pyi(self) -> None: reg_mode = black.FileMode() pyi_mode = black.FileMode(is_pyi=True) @@ -1350,6 +1411,13 @@ class BlackTestCase(unittest.TestCase): self.assertIn(path, pyi_cache) self.assertNotIn(path, normal_cache) + def test_collections(self) -> None: + source, expected = read_data("collections") + actual = fs(source) + self.assertFormatEqual(expected, actual) + black.assert_equivalent(source, actual) + black.assert_stable(source, actual, black.FileMode()) + def test_pipe_force_py36(self) -> None: source, expected = read_data("force_py36") result = CliRunner().invoke( @@ -1366,6 +1434,7 @@ class BlackTestCase(unittest.TestCase): include = re.compile(r"\.pyi?$") exclude = re.compile(r"/exclude/|/\.definitely_exclude/") report = black.Report() + gitignore = PathSpec.from_lines("gitwildmatch", []) sources: List[Path] = [] expected = [ Path(path / "b/dont_exclude/a.py"), @@ -1373,13 +1442,37 @@ class BlackTestCase(unittest.TestCase): ] this_abs = THIS_DIR.resolve() sources.extend( - black.gen_python_files_in_dir(path, this_abs, include, exclude, report) + black.gen_python_files_in_dir( + path, this_abs, include, exclude, report, gitignore + ) + ) + self.assertEqual(sorted(expected), sorted(sources)) + + def test_gitignore_exclude(self) -> None: + path = THIS_DIR / "data" / "include_exclude_tests" + include = re.compile(r"\.pyi?$") + exclude = re.compile(r"") + report = black.Report() + gitignore = PathSpec.from_lines( + "gitwildmatch", ["exclude/", ".definitely_exclude"] + ) + sources: List[Path] = [] + expected = [ + Path(path / "b/dont_exclude/a.py"), + Path(path / "b/dont_exclude/a.pyi"), + ] + this_abs = THIS_DIR.resolve() + sources.extend( + black.gen_python_files_in_dir( + path, this_abs, include, exclude, report, gitignore + ) ) self.assertEqual(sorted(expected), sorted(sources)) def test_empty_include(self) -> None: path = THIS_DIR / "data" / "include_exclude_tests" report = black.Report() + gitignore = PathSpec.from_lines("gitwildmatch", []) empty = re.compile(r"") sources: List[Path] = [] expected = [ @@ -1396,7 +1489,12 @@ class BlackTestCase(unittest.TestCase): this_abs = THIS_DIR.resolve() sources.extend( black.gen_python_files_in_dir( - path, this_abs, empty, re.compile(black.DEFAULT_EXCLUDES), report + path, + this_abs, + empty, + re.compile(black.DEFAULT_EXCLUDES), + report, + gitignore, ) ) self.assertEqual(sorted(expected), sorted(sources)) @@ -1404,6 +1502,7 @@ class BlackTestCase(unittest.TestCase): def test_empty_exclude(self) -> None: path = THIS_DIR / "data" / "include_exclude_tests" report = black.Report() + gitignore = PathSpec.from_lines("gitwildmatch", []) empty = re.compile(r"") sources: List[Path] = [] expected = [ @@ -1417,7 +1516,12 @@ class BlackTestCase(unittest.TestCase): this_abs = THIS_DIR.resolve() sources.extend( black.gen_python_files_in_dir( - path, this_abs, re.compile(black.DEFAULT_INCLUDES), empty, report + path, + this_abs, + re.compile(black.DEFAULT_INCLUDES), + empty, + report, + gitignore, ) ) self.assertEqual(sorted(expected), sorted(sources)) @@ -1462,13 +1566,19 @@ class BlackTestCase(unittest.TestCase): include = re.compile(black.DEFAULT_INCLUDES) exclude = re.compile(black.DEFAULT_EXCLUDES) report = black.Report() + gitignore = PathSpec.from_lines("gitwildmatch", []) # `child` should behave like a symlink which resolved path is clearly # outside of the `root` directory. path.iterdir.return_value = [child] child.resolve.return_value = Path("/a/b/c") + child.as_posix.return_value = "/a/b/c" child.is_symlink.return_value = True try: - list(black.gen_python_files_in_dir(path, root, include, exclude, report)) + list( + black.gen_python_files_in_dir( + path, root, include, exclude, report, gitignore + ) + ) except ValueError as ve: self.fail(f"`get_python_files_in_dir()` failed: {ve}") path.iterdir.assert_called_once() @@ -1478,7 +1588,11 @@ class BlackTestCase(unittest.TestCase): # outside of the `root` directory. child.is_symlink.return_value = False with self.assertRaises(ValueError): - list(black.gen_python_files_in_dir(path, root, include, exclude, report)) + list( + black.gen_python_files_in_dir( + path, root, include, exclude, report, gitignore + ) + ) path.iterdir.assert_called() self.assertEqual(path.iterdir.call_count, 2) child.resolve.assert_called() @@ -1523,108 +1637,124 @@ class BlackTestCase(unittest.TestCase): ): ff(THIS_FILE) + @unittest.skipUnless(has_blackd_deps, "blackd's dependencies are not installed") + 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) + + +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/commit/bfb99eb92bbc4a7462bc51dda3e480feed43882d + # https://github.com/aio-libs/aiohttp/pull/3727 @skip_if_exception("ClientOSError") @unittest.skipUnless(has_blackd_deps, "blackd's dependencies are not installed") - @async_test + @unittest_run_loop async def test_blackd_request_needs_formatting(self) -> None: - app = blackd.make_app() - async with TestClient(TestServer(app)) as client: - response = await 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') + 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') @skip_if_exception("ClientOSError") @unittest.skipUnless(has_blackd_deps, "blackd's dependencies are not installed") - @async_test + @unittest_run_loop async def test_blackd_request_no_change(self) -> None: - app = blackd.make_app() - async with TestClient(TestServer(app)) as client: - response = await client.post("/", data=b'print("hello world")\n') - self.assertEqual(response.status, 204) - self.assertEqual(await response.read(), b"") + 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") - @async_test + @unittest_run_loop async def test_blackd_request_syntax_error(self) -> None: - app = blackd.make_app() - async with TestClient(TestServer(app)) as client: - response = await 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)}", - ) + 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)}", + ) @skip_if_exception("ClientOSError") @unittest.skipUnless(has_blackd_deps, "blackd's dependencies are not installed") - @async_test + @unittest_run_loop async def test_blackd_unsupported_version(self) -> None: - app = blackd.make_app() - async with TestClient(TestServer(app)) as client: - response = await client.post( - "/", data=b"what", headers={blackd.VERSION_HEADER: "2"} - ) - self.assertEqual(response.status, 501) + response = await self.client.post( + "/", data=b"what", headers={blackd.PROTOCOL_VERSION_HEADER: "2"} + ) + self.assertEqual(response.status, 501) @skip_if_exception("ClientOSError") @unittest.skipUnless(has_blackd_deps, "blackd's dependencies are not installed") - @async_test + @unittest_run_loop async def test_blackd_supported_version(self) -> None: - app = blackd.make_app() - async with TestClient(TestServer(app)) as client: - response = await client.post( - "/", data=b"what", headers={blackd.VERSION_HEADER: "1"} - ) - self.assertEqual(response.status, 200) + response = await self.client.post( + "/", data=b"what", headers={blackd.PROTOCOL_VERSION_HEADER: "1"} + ) + self.assertEqual(response.status, 200) @skip_if_exception("ClientOSError") @unittest.skipUnless(has_blackd_deps, "blackd's dependencies are not installed") - @async_test + @unittest_run_loop async def test_blackd_invalid_python_variant(self) -> None: - app = blackd.make_app() - async with TestClient(TestServer(app)) as client: - - async def check(header_value: str, expected_status: int = 400) -> None: - response = await 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") + 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") @skip_if_exception("ClientOSError") @unittest.skipUnless(has_blackd_deps, "blackd's dependencies are not installed") - @async_test + @unittest_run_loop async def test_blackd_pyi(self) -> None: - app = blackd.make_app() - async with TestClient(TestServer(app)) as client: - source, expected = read_data("stub.pyi") - response = await client.post( - "/", data=source, headers={blackd.PYTHON_VARIANT_HEADER: "pyi"} - ) - self.assertEqual(response.status, 200) - self.assertEqual(await response.text(), expected) + 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) @skip_if_exception("ClientOSError") @unittest.skipUnless(has_blackd_deps, "blackd's dependencies are not installed") - @async_test + @unittest_run_loop + async def test_blackd_diff(self) -> None: + diff_header = re.compile( + rf"(In|Out)\t\d\d\d\d-\d\d-\d\d " + rf"\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) + + @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: - app = blackd.make_app() code = ( "def f(\n" " and_has_a_bunch_of,\n" @@ -1634,56 +1764,55 @@ class BlackTestCase(unittest.TestCase): "):\n" " pass\n" ) - async with TestClient(TestServer(app)) as client: - - async def check(header_value: str, expected_status: int) -> None: - response = await client.post( - "/", data=code, headers={blackd.PYTHON_VARIANT_HEADER: header_value} - ) - self.assertEqual(response.status, expected_status) - await check("3.6", 200) - await check("py3.6", 200) - await check("3.6,3.7", 200) - await check("3.6,py3.7", 200) + 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("2", 204) - await check("2.7", 204) - await check("py2.7", 204) - await check("3.4", 204) - await check("py3.4", 204) + 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) @skip_if_exception("ClientOSError") @unittest.skipUnless(has_blackd_deps, "blackd's dependencies are not installed") - @async_test + @unittest_run_loop async def test_blackd_line_length(self) -> None: - app = blackd.make_app() - async with TestClient(TestServer(app)) as client: - response = await client.post( - "/", data=b'print("hello")\n', headers={blackd.LINE_LENGTH_HEADER: "7"} - ) - self.assertEqual(response.status, 200) + response = await self.client.post( + "/", data=b'print("hello")\n', headers={blackd.LINE_LENGTH_HEADER: "7"} + ) + self.assertEqual(response.status, 200) @skip_if_exception("ClientOSError") @unittest.skipUnless(has_blackd_deps, "blackd's dependencies are not installed") - @async_test + @unittest_run_loop async def test_blackd_invalid_line_length(self) -> None: - app = blackd.make_app() - async with TestClient(TestServer(app)) as client: - response = await client.post( - "/", - data=b'print("hello")\n', - headers={blackd.LINE_LENGTH_HEADER: "NaN"}, - ) - self.assertEqual(response.status, 400) + response = await self.client.post( + "/", 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") - 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) + @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)) if __name__ == "__main__":