1 files changed, 111 insertions, 0 deletions
diff --git a/tests/conftest.py b/tests/conftest.py
new file mode 100644
index 0000000..d65b64e
--- /dev/null
+++ b/tests/conftest.py
@@ -0,0 +1,111 @@
+# SPDX-License-Identifier: MIT
+
+import os
+import os.path
+import shutil
+import stat
+import sys
+import sysconfig
+import tempfile
+
+import pytest
+
+import build.env
+
+
+def pytest_addoption(parser):
+    os.environ['PYTHONWARNINGS'] = 'ignore:DEPRECATION::pip._internal.cli.base_command'  # for when not run within tox
+    os.environ['PIP_DISABLE_PIP_VERSION_CHECK'] = '1'  # do not pollute stderr with upgrade advisory
+    parser.addoption('--run-integration', action='store_true', help='run the integration tests')
+    parser.addoption('--only-integration', action='store_true', help='only run the integration tests')
+
+
+PYPY3_WIN_VENV_BAD = (
+    sys.implementation.name == 'pypy' and sys.implementation.version < (7, 3, 9) and sys.platform.startswith('win')
+)
+PYPY3_WIN_M = 'https://foss.heptapod.net/pypy/pypy/-/issues/3323 and https://foss.heptapod.net/pypy/pypy/-/issues/3321'
+
+
+def pytest_collection_modifyitems(config, items):
+    skip_int = pytest.mark.skip(reason='integration tests not run (no --run-integration flag)')
+    skip_other = pytest.mark.skip(reason='only integration tests are run (got --only-integration flag)')
+
+    if config.getoption('--run-integration') and config.getoption('--only-integration'):  # pragma: no cover
+        raise pytest.UsageError("--run-integration and --only-integration can't be used together, choose one")
+
+    if len(items) == 1:  # do not require flags if called directly
+        return
+    for item in items:
+        is_integration_file = is_integration(item)
+        if PYPY3_WIN_VENV_BAD and item.get_closest_marker('pypy3323bug') and os.environ.get('PYPY3323BUG', None):
+            item.add_marker(pytest.mark.xfail(reason=PYPY3_WIN_M, strict=False))
+        if PYPY3_WIN_VENV_BAD and item.get_closest_marker('isolated'):
+            if not (is_integration_file and item.originalname == 'test_build') or (
+                hasattr(item, 'callspec') and '--no-isolation' not in item.callspec.params.get('args', [])
+            ):
+                item.add_marker(pytest.mark.xfail(reason=PYPY3_WIN_M, strict=True))
+        if is_integration_file:  # pragma: no cover
+            if not config.getoption('--run-integration') and not config.getoption('--only-integration'):
+                item.add_marker(skip_int)
+        elif config.getoption('--only-integration'):  # pragma: no cover
+            item.add_marker(skip_other)
+    # run integration tests after unit tests
+    items.sort(key=lambda i: 1 if is_integration(i) else 0)
+
+
+def is_integration(item):
+    return os.path.basename(item.location[0]) == 'test_integration.py'
+
+
+@pytest.fixture(scope='session', autouse=True)
+def ensure_syconfig_vars_created():
+    # the config vars are globally cached and may use get_path, make sure they are created
+    sysconfig.get_config_vars()
+
+
+@pytest.fixture
+def packages_path():
+    return os.path.realpath(os.path.join(__file__, '..', 'packages'))
+
+
+def generate_package_path_fixture(package_name):
+    @pytest.fixture
+    def fixture(packages_path):
+        return os.path.join(packages_path, package_name)
+
+    return fixture
+
+
+# Generate path fixtures dynamically.
+package_names = os.listdir(os.path.join(os.path.dirname(__file__), 'packages'))
+for package_name in package_names:
+    normalized_name = package_name.replace('-', '_')
+    fixture_name = f'package_{normalized_name}'
+    globals()[fixture_name] = generate_package_path_fixture(package_name)
+
+
+@pytest.fixture
+def test_no_permission(packages_path):
+    path = os.path.join(packages_path, 'test-no-permission')
+    file = os.path.join(path, 'pyproject.toml')
+    orig_stat = os.stat(file).st_mode
+
+    os.chmod(file, ~stat.S_IRWXU)
+
+    yield os.path.join(packages_path, 'test-no-permission')
+
+    os.chmod(file, orig_stat)
+
+
+@pytest.fixture
+def tmp_dir():
+    path = tempfile.mkdtemp(prefix='python-build-test-')
+
+    yield path
+
+    shutil.rmtree(path)
+
+
+@pytest.fixture(autouse=True)
+def force_venv(mocker):
+    mocker.patch.object(build.env, '_should_use_virtualenv', lambda: False)