Use covdefaults to handle coveragerc

.coveragerc

@@ -1,37 +0,0 @@
-[run]
-branch = True
-source = .
-omit =
-    .tox/*
-    /usr/*
-    setup.py
-    # Don't complain if non-runnable code isn't run
-    */__main__.py
-    pre_commit/resources/*
-
-[report]
-show_missing = True
-skip_covered = True
-exclude_lines =
-    # Have to re-enable the standard pragma
-    \#\s*pragma: no cover
-    # We optionally substitute this
-    ${COVERAGE_IGNORE_WINDOWS}
-
-    # Don't complain if tests don't hit defensive assertion code:
-    ^\s*raise AssertionError\b
-    ^\s*raise NotImplementedError\b
-    ^\s*return NotImplemented\b
-    ^\s*raise$
-
-    # Ignore typing-related things
-    ^if (False|TYPE_CHECKING):
-    : \.\.\.$
-
-    # Don't complain if non-runnable code isn't run:
-    ^if __name__ == ['"]__main__['"]:$
-
-[html]
-directory = coverage-html
-
-# vim:ft=dosini

azure-pipelines.yml

@@ -18,9 +18,6 @@ jobs:
   parameters:
     toxenvs: [py37]
     os: windows
-    additional_variables:
-      COVERAGE_IGNORE_WINDOWS: '# pragma: windows no cover'
-      TOX_TESTENV_PASSENV: COVERAGE_IGNORE_WINDOWS
     pre_test:
     - powershell: Write-Host "##vso[task.prependpath]$env:CONDA\Scripts"
       displayName: Add conda to PATH

pre_commit/color.py

@@ -50,7 +50,7 @@ if sys.platform == 'win32':  # pragma: no cover (windows)
         terminal_supports_color = False
     else:
         terminal_supports_color = True
-else:  # pragma: windows no cover
+else:  # pragma: win32 no cover
     terminal_supports_color = True
 
 RED = '\033[41m'

pre_commit/commands/install_uninstall.py

@@ -46,7 +46,7 @@ def _hook_paths(
 
 
 def is_our_script(filename: str) -> bool:
-    if not os.path.exists(filename):  # pragma: windows no cover (symlink)
+    if not os.path.exists(filename):  # pragma: win32 no cover (symlink)
         return False
     with open(filename) as f:
         contents = f.read()

pre_commit/file_lock.py

@@ -47,7 +47,7 @@ if os.name == 'nt':  # pragma: no cover (windows)
             # before closing a file or exiting the program."
             # TODO: https://github.com/python/typeshed/pull/3607
             msvcrt.locking(fileno, msvcrt.LK_UNLCK, _region)  # type: ignore
-else:  # pragma: windows no cover
+else:  # pragma: win32 no cover
     import fcntl
 
     @contextlib.contextmanager

pre_commit/languages/docker.py

@@ -17,16 +17,16 @@ get_default_version = helpers.basic_get_default_version
 healthy = helpers.basic_healthy
 
 
-def md5(s: str) -> str:  # pragma: windows no cover
+def md5(s: str) -> str:  # pragma: win32 no cover
     return hashlib.md5(s.encode()).hexdigest()
 
 
-def docker_tag(prefix: Prefix) -> str:  # pragma: windows no cover
+def docker_tag(prefix: Prefix) -> str:  # pragma: win32 no cover
     md5sum = md5(os.path.basename(prefix.prefix_dir)).lower()
     return f'pre-commit-{md5sum}'
 
 
-def docker_is_running() -> bool:  # pragma: windows no cover
+def docker_is_running() -> bool:  # pragma: win32 no cover
     try:
         cmd_output_b('docker', 'ps')
     except CalledProcessError:
@@ -35,7 +35,7 @@ def docker_is_running() -> bool:  # pragma: windows no cover
         return True
 
 
-def assert_docker_available() -> None:  # pragma: windows no cover
+def assert_docker_available() -> None:  # pragma: win32 no cover
     assert docker_is_running(), (
         'Docker is either not running or not configured in this environment'
     )
@@ -45,7 +45,7 @@ def build_docker_image(
         prefix: Prefix,
         *,
         pull: bool,
-) -> None:  # pragma: windows no cover
+) -> None:  # pragma: win32 no cover
     cmd: Tuple[str, ...] = (
         'docker', 'build',
         '--tag', docker_tag(prefix),
@@ -60,7 +60,7 @@ def build_docker_image(
 
 def install_environment(
         prefix: Prefix, version: str, additional_dependencies: Sequence[str],
-) -> None:  # pragma: windows no cover
+) -> None:  # pragma: win32 no cover
     helpers.assert_version_default('docker', version)
     helpers.assert_no_additional_deps('docker', additional_dependencies)
     assert_docker_available()
@@ -76,14 +76,14 @@ def install_environment(
         os.mkdir(directory)
 
 
-def get_docker_user() -> str:  # pragma: windows no cover
+def get_docker_user() -> str:  # pragma: win32 no cover
     try:
         return f'{os.getuid()}:{os.getgid()}'
     except AttributeError:
         return '1000:1000'
 
 
-def docker_cmd() -> Tuple[str, ...]:  # pragma: windows no cover
+def docker_cmd() -> Tuple[str, ...]:  # pragma: win32 no cover
     return (
         'docker', 'run',
         '--rm',
@@ -100,7 +100,7 @@ def run_hook(
         hook: Hook,
         file_args: Sequence[str],
         color: bool,
-) -> Tuple[int, bytes]:  # pragma: windows no cover
+) -> Tuple[int, bytes]:  # pragma: win32 no cover
     assert_docker_available()
     # Rebuild the docker image in case it has gone missing, as many people do
     # automated cleanup of docker images.

pre_commit/languages/docker_image.py

@@ -16,7 +16,7 @@ def run_hook(
         hook: Hook,
         file_args: Sequence[str],
         color: bool,
-) -> Tuple[int, bytes]:  # pragma: windows no cover
+) -> Tuple[int, bytes]:  # pragma: win32 no cover
     assert_docker_available()
     cmd = docker_cmd() + hook.cmd
     return helpers.run_xargs(hook, cmd, file_args, color=color)

pre_commit/languages/node.py

@@ -35,7 +35,7 @@ def get_env_patch(venv: str) -> PatchesT:
     elif sys.platform == 'win32':  # pragma: no cover
         install_prefix = bin_dir(venv)
         lib_dir = 'Scripts'
-    else:  # pragma: windows no cover
+    else:  # pragma: win32 no cover
         install_prefix = venv
         lib_dir = 'lib'
     return (

pre_commit/languages/ruby.py

@@ -25,7 +25,7 @@ healthy = helpers.basic_healthy
 def get_env_patch(
         venv: str,
         language_version: str,
-) -> PatchesT:  # pragma: windows no cover
+) -> PatchesT:  # pragma: win32 no cover
     patches: PatchesT = (
         ('GEM_HOME', os.path.join(venv, 'gems')),
         ('RBENV_ROOT', venv),
@@ -43,7 +43,7 @@ def get_env_patch(
     return patches
 
 
-@contextlib.contextmanager  # pragma: windows no cover
+@contextlib.contextmanager  # pragma: win32 no cover
 def in_env(
         prefix: Prefix,
         language_version: str,
@@ -64,7 +64,7 @@ def _extract_resource(filename: str, dest: str) -> None:
 def _install_rbenv(
         prefix: Prefix,
         version: str = C.DEFAULT,
-) -> None:  # pragma: windows no cover
+) -> None:  # pragma: win32 no cover
     directory = helpers.environment_dir(ENVIRONMENT_DIR, version)
 
     _extract_resource('rbenv.tar.gz', prefix.path('.'))
@@ -80,7 +80,7 @@ def _install_rbenv(
 def _install_ruby(
         prefix: Prefix,
         version: str,
-) -> None:  # pragma: windows no cover
+) -> None:  # pragma: win32 no cover
     try:
         helpers.run_setup_cmd(prefix, ('rbenv', 'download', version))
     except CalledProcessError:  # pragma: no cover (usually find with download)
@@ -90,7 +90,7 @@ def _install_ruby(
 
 def install_environment(
         prefix: Prefix, version: str, additional_dependencies: Sequence[str],
-) -> None:  # pragma: windows no cover
+) -> None:  # pragma: win32 no cover
     additional_dependencies = tuple(additional_dependencies)
     directory = helpers.environment_dir(ENVIRONMENT_DIR, version)
     with clean_path_on_failure(prefix.path(directory)):
@@ -121,6 +121,6 @@ def run_hook(
         hook: Hook,
         file_args: Sequence[str],
         color: bool,
-) -> Tuple[int, bytes]:  # pragma: windows no cover
+) -> Tuple[int, bytes]:  # pragma: win32 no cover
     with in_env(hook.prefix, hook.language_version):
         return helpers.run_xargs(hook, hook.cmd, file_args, color=color)

pre_commit/languages/swift.py

@@ -21,12 +21,12 @@ BUILD_DIR = '.build'
 BUILD_CONFIG = 'release'
 
 
-def get_env_patch(venv: str) -> PatchesT:  # pragma: windows no cover
+def get_env_patch(venv: str) -> PatchesT:  # pragma: win32 no cover
     bin_path = os.path.join(venv, BUILD_DIR, BUILD_CONFIG)
     return (('PATH', (bin_path, os.pathsep, Var('PATH'))),)
 
 
-@contextlib.contextmanager  # pragma: windows no cover
+@contextlib.contextmanager  # pragma: win32 no cover
 def in_env(prefix: Prefix) -> Generator[None, None, None]:
     envdir = prefix.path(
         helpers.environment_dir(ENVIRONMENT_DIR, C.DEFAULT),
@@ -37,7 +37,7 @@ def in_env(prefix: Prefix) -> Generator[None, None, None]:
 
 def install_environment(
         prefix: Prefix, version: str, additional_dependencies: Sequence[str],
-) -> None:  # pragma: windows no cover
+) -> None:  # pragma: win32 no cover
     helpers.assert_version_default('swift', version)
     helpers.assert_no_additional_deps('swift', additional_dependencies)
     directory = prefix.path(
@@ -59,6 +59,6 @@ def run_hook(
         hook: Hook,
         file_args: Sequence[str],
         color: bool,
-) -> Tuple[int, bytes]:  # pragma: windows no cover
+) -> Tuple[int, bytes]:  # pragma: win32 no cover
     with in_env(hook.prefix):
         return helpers.run_xargs(hook, hook.cmd, file_args, color=color)

pre_commit/parse_shebang.py

@@ -59,7 +59,7 @@ def normexe(orig: str) -> str:
         _error('is a directory')
     elif not os.path.isfile(orig):
         _error('not found')
-    elif not os.access(orig, os.X_OK):  # pragma: windows no cover
+    elif not os.access(orig, os.X_OK):  # pragma: win32 no cover
         _error('is not executable')
     else:
         return orig

pre_commit/util.py

@@ -149,7 +149,7 @@ def cmd_output(*cmd: str, **kwargs: Any) -> Tuple[int, str, Optional[str]]:
     return returncode, stdout, stderr
 
 
-if os.name != 'nt':  # pragma: windows no cover
+if os.name != 'nt':  # pragma: win32 no cover
     from os import openpty
     import termios
 

requirements-dev.txt

@@ -1,5 +1,4 @@
--e .
-
+covdefaults
 coverage
 pytest
 pytest-env

setup.cfg

@@ -52,6 +52,10 @@ exclude =
 [bdist_wheel]
 universal = True
 
+[coverage:run]
+plugins = covdefaults
+omit = pre_commit/resources/*
+
 [mypy]
 check_untyped_defs = true
 disallow_any_generics = true

tests/commands/install_uninstall_test.py

@@ -25,7 +25,6 @@ from testing.fixtures import write_config
 from testing.util import cmd_output_mocked_pre_commit_home
 from testing.util import cwd
 from testing.util import git_commit
-from testing.util import xfailif_windows
 
 
 def test_is_not_script():
@@ -823,7 +822,6 @@ def test_prepare_commit_msg_legacy(
         assert 'Signed off by: ' in f.read()
 
 
-@xfailif_windows  # pragma: windows no cover (once AP has git 2.24)
 def test_pre_merge_commit_integration(tempdir_factory, store):
     expected = re.compile(
         r'^\[INFO\] Initializing environment for .+\n'

tests/languages/python_test.py

@@ -11,10 +11,10 @@ from pre_commit.prefix import Prefix
 
 def test_norm_version_expanduser():
     home = os.path.expanduser('~')
-    if os.name == 'nt':  # pragma: no cover (nt)
+    if os.name == 'nt':  # pragma: nt cover
         path = r'~\python343'
         expected_path = fr'{home}\python343'
-    else:  # pragma: windows no cover
+    else:  # pragma: nt no cover
         path = '~/.pyenv/versions/3.4.3/bin/python'
         expected_path = f'{home}/.pyenv/versions/3.4.3/bin/python'
     result = python.norm_version(path)

tests/parse_shebang_test.py

@@ -93,7 +93,7 @@ def test_normexe_does_not_exist_sep():
 
 
 @pytest.mark.xfail(os.name == 'nt', reason='posix only')
-def test_normexe_not_executable(tmpdir):  # pragma: windows no cover
+def test_normexe_not_executable(tmpdir):  # pragma: win32 no cover
     tmpdir.join('exe').ensure()
     with tmpdir.as_cwd(), pytest.raises(OSError) as excinfo:
         parse_shebang.normexe('./exe')

tests/repository_test.py

@@ -197,7 +197,7 @@ def test_versioned_python_hook(tempdir_factory, store):
     )
 
 
-@skipif_cant_run_docker  # pragma: windows no cover
+@skipif_cant_run_docker  # pragma: win32 no cover
 def test_run_a_docker_hook(tempdir_factory, store):
     _test_hook_repo(
         tempdir_factory, store, 'docker_hooks_repo',
@@ -206,7 +206,7 @@ def test_run_a_docker_hook(tempdir_factory, store):
     )
 
 
-@skipif_cant_run_docker  # pragma: windows no cover
+@skipif_cant_run_docker  # pragma: win32 no cover
 def test_run_a_docker_hook_with_entry_args(tempdir_factory, store):
     _test_hook_repo(
         tempdir_factory, store, 'docker_hooks_repo',
@@ -215,7 +215,7 @@ def test_run_a_docker_hook_with_entry_args(tempdir_factory, store):
     )
 
 
-@skipif_cant_run_docker  # pragma: windows no cover
+@skipif_cant_run_docker  # pragma: win32 no cover
 def test_run_a_failing_docker_hook(tempdir_factory, store):
     _test_hook_repo(
         tempdir_factory, store, 'docker_hooks_repo',
@@ -226,7 +226,7 @@ def test_run_a_failing_docker_hook(tempdir_factory, store):
     )
 
 
-@skipif_cant_run_docker  # pragma: windows no cover
+@skipif_cant_run_docker  # pragma: win32 no cover
 @pytest.mark.parametrize('hook_id', ('echo-entrypoint', 'echo-cmd'))
 def test_run_a_docker_image_hook(tempdir_factory, store, hook_id):
     _test_hook_repo(
@@ -297,7 +297,7 @@ def test_system_hook_with_spaces(tempdir_factory, store):
     )
 
 
-@skipif_cant_run_swift  # pragma: windows no cover
+@skipif_cant_run_swift  # pragma: win32 no cover
 def test_swift_hook(tempdir_factory, store):
     _test_hook_repo(
         tempdir_factory, store, 'swift_hooks_repo',
@@ -514,7 +514,7 @@ def test_additional_dependencies_roll_forward(tempdir_factory, store):
         assert 'mccabe' not in cmd_output('pip', 'freeze', '-l')[1]
 
 
-@xfailif_windows_no_ruby  # pragma: windows no cover
+@xfailif_windows_no_ruby  # pragma: win32 no cover
 def test_additional_ruby_dependencies_installed(tempdir_factory, store):
     path = make_repo(tempdir_factory, 'ruby_hooks_repo')
     config = make_config_from_repo(path)
@@ -758,7 +758,7 @@ def local_python_config():
     return {'repo': 'local', 'hooks': hooks}
 
 
-@pytest.mark.xfail(  # pragma: windows no cover
+@pytest.mark.xfail(  # pragma: win32 no cover
     sys.platform == 'win32',
     reason='microsoft/azure-pipelines-image-generation#989',
 )

tox.ini

@@ -7,7 +7,7 @@ passenv = HOME LOCALAPPDATA RUSTUP_HOME
 commands =
     coverage erase
     coverage run -m pytest {posargs:tests}
-    coverage report --fail-under 100
+    coverage report
     pre-commit install
 
 [testenv:pre-commit]