Extract nox session to conftest.py

Author: ArBridgeman

test/unit/nox/_artifacts_test.py

@@ -5,7 +5,6 @@
 from dataclasses import dataclass
 from inspect import cleandoc
 from pathlib import Path
-from typing import Any
 from unittest import mock
 from unittest.mock import (
     Mock,
@@ -14,14 +13,7 @@
 )
 
 import pytest
-from nox import (
-    Session,
-    _options,
-    manifest,
-    virtualenv,
-)
 from nox.sessions import (
-    SessionRunner,
     _SessionQuit,
 )
 
@@ -319,41 +311,6 @@ def test_all_files(tmp_path, capsys):
             assert (tmp_path / f).exists()
 
 
-class FakeEnv(mock.MagicMock):
-    # Extracted from nox testing
-    _get_env = virtualenv.VirtualEnv._get_env
-
-
-def make_fake_env(venv_backend: str = "venv", **kwargs: Any) -> FakeEnv:
-    # Extracted from nox testing
-    return FakeEnv(
-        spec=virtualenv.VirtualEnv,
-        env={},
-        venv_backend=venv_backend,
-        **kwargs,
-    )
-
-
-@pytest.fixture
-def nox_session(tmp_path):
-    # Extracted from nox testing
-    session_runner = SessionRunner(
-        name="test",
-        signatures=["test"],
-        func=mock.Mock(spec=["python"], python="3.10"),
-        global_config=_options.options.namespace(
-            posargs=[],
-            error_on_external_run=False,
-            install_only=False,
-            invoked_from=tmp_path,
-        ),
-        manifest=mock.create_autospec(manifest.Manifest),
-    )
-    session_runner.venv = make_fake_env(bin_paths=["/no/bin/for/you"])
-    session = Session(session_runner)
-    yield session
-
-
 class TestPrepareCoverageXml:
     @staticmethod
     def test_no_coverage_file_silently_passes(monkeypatch, tmp_path, nox_session):

test/unit/nox/conftest.py

@@ -0,0 +1,56 @@
+from typing import Any
+from unittest import mock
+
+import pytest
+from nox import (
+    Session,
+    _options,
+    manifest,
+    virtualenv,
+)
+from nox.sessions import (
+    SessionRunner,
+)
+
+
+class FakeEnv(mock.MagicMock):
+    # Extracted from nox testing
+    _get_env = virtualenv.VirtualEnv._get_env
+
+
+def make_fake_env(venv_backend: str = "venv", **kwargs: Any) -> FakeEnv:
+    # Extracted from nox testing
+    return FakeEnv(
+        spec=virtualenv.VirtualEnv,
+        env={},
+        venv_backend=venv_backend,
+        **kwargs,
+    )
+
+
+@pytest.fixture
+def nox_session_runner_posargs() -> list[str]:
+    return []
+
+
+@pytest.fixture
+def nox_session_runner(tmp_path, nox_session_runner_posargs):
+    return SessionRunner(
+        name="test",
+        signatures=["test"],
+        func=mock.Mock(spec=["python"], python="3.10"),
+        global_config=_options.options.namespace(
+            posargs=nox_session_runner_posargs,
+            error_on_external_run=False,
+            install_only=False,
+            invoked_from=tmp_path,
+        ),
+        manifest=mock.create_autospec(manifest.Manifest),
+    )
+
+
+@pytest.fixture
+def nox_session(nox_session_runner):
+    # Extracted from nox testing
+    nox_session_runner.venv = make_fake_env(bin_paths=["/no/bin/for/you"])
+    yield Session(nox_session_runner)