tests: provide minimal_wheels_path as a fixture

Tests using MINIMAL_WHEELS_PATH have also been updated to use this new session-scoped fixture

Co-authored-by: Sviatoslav Sydorenko (Святослав Сидоренко) <[email protected]>

Author: shifqu

tests/conftest.py

@@ -3,6 +3,7 @@
 import json
 import os
 import platform
+import shutil
 import subprocess
 import sys
 from contextlib import contextmanager
@@ -266,26 +267,26 @@ def _make_pip_conf(content):
 
 
 @pytest.fixture
-def pip_conf(make_pip_conf):
+def pip_conf(make_pip_conf, minimal_wheels_path):
     return make_pip_conf(
         dedent(
             f"""\
             [global]
             no-index = true
-            find-links = {MINIMAL_WHEELS_PATH}
+            find-links = {minimal_wheels_path.as_posix()}
             """
         )
     )
 
 
 @pytest.fixture
-def pip_with_index_conf(make_pip_conf):
+def pip_with_index_conf(make_pip_conf, minimal_wheels_path):
     return make_pip_conf(
         dedent(
             f"""\
             [global]
             index-url = http://example.com
-            find-links = {MINIMAL_WHEELS_PATH}
+            find-links = {minimal_wheels_path.as_posix()}
             """
         )
     )
@@ -524,3 +525,32 @@ def _maker(
         return cast(Path, config_file.relative_to(tmpdir_cwd))
 
     return _maker
+
+
+@pytest.fixture(scope="session")
+def setuptools_wheel_path(tmp_path_factory):
+    """
+    Ensure setuptools is downloaded and return the path to the download directory.
+    """
+    tmp_wheels_path = tmp_path_factory.mktemp("tmp_wheels")
+    subprocess.check_call(
+        [
+            sys.executable,
+            "-Im",
+            "pip",
+            "download",
+            f"--dest={tmp_wheels_path.as_posix()}",
+            "--no-deps",
+            "setuptools",
+        ],
+    )
+    return tmp_wheels_path
+
+
+@pytest.fixture(scope="session")
+def minimal_wheels_path(setuptools_wheel_path):
+    """
+    Ensure minimal wheels and setuptools are downloaded and return the path.
+    """
+    shutil.copytree(MINIMAL_WHEELS_PATH, setuptools_wheel_path, dirs_exist_ok=True)
+    return setuptools_wheel_path

tests/test_cli_compile.py

@@ -165,7 +165,7 @@ def test_command_line_overrides_pip_conf(pip_with_index_conf, runner):
     ),
 )
 def test_command_line_setuptools_read(
-    runner, make_package, install_requires, expected_output
+    runner, make_package, minimal_wheels_path, install_requires, expected_output
 ):
     package_dir = make_package(
         name="fake-setuptools-a",
@@ -177,7 +177,7 @@ def test_command_line_setuptools_read(
         (
             str(package_dir / "setup.py"),
             "--find-links",
-            MINIMAL_WHEELS_PATH,
+            minimal_wheels_path.as_posix(),
             "--no-build-isolation",
         ),
     )
@@ -3430,7 +3430,9 @@ def test_pass_pip_cache_to_pip_args(tmpdir, runner, current_resolver):
 
 
 @backtracking_resolver_only
-def test_compile_recursive_extras_static(runner, tmp_path, current_resolver):
+def test_compile_recursive_extras_static(
+    runner, tmp_path, minimal_wheels_path, current_resolver
+):
     (tmp_path / "pyproject.toml").write_text(
         dedent(
             """
@@ -3454,7 +3456,7 @@ def test_compile_recursive_extras_static(runner, tmp_path, current_resolver):
             "--extra",
             "dev",
             "--find-links",
-            os.fspath(MINIMAL_WHEELS_PATH),
+            minimal_wheels_path.as_posix(),
             os.fspath(tmp_path / "pyproject.toml"),
             "--output-file",
             "-",
@@ -3474,7 +3476,9 @@ def test_compile_recursive_extras_static(runner, tmp_path, current_resolver):
 
 
 @backtracking_resolver_only
-def test_compile_recursive_extras_build_targets(runner, tmp_path, current_resolver):
+def test_compile_recursive_extras_build_targets(
+    runner, tmp_path, minimal_wheels_path, current_resolver
+):
     (tmp_path / "pyproject.toml").write_text(
         dedent(
             """
@@ -3500,7 +3504,7 @@ def test_compile_recursive_extras_build_targets(runner, tmp_path, current_resolv
             "--build-deps-for",
             "wheel",
             "--find-links",
-            os.fspath(MINIMAL_WHEELS_PATH),
+            minimal_wheels_path.as_posix(),
             os.fspath(tmp_path / "pyproject.toml"),
             "--output-file",
             "-",
@@ -3526,6 +3530,7 @@ def test_compile_recursive_extras_build_targets(runner, tmp_path, current_resolv
 def test_compile_build_targets_setuptools_no_wheel_dep(
     runner,
     tmp_path,
+    minimal_wheels_path,
     current_resolver,
 ):
     """Check that user requests apply to build dependencies.
@@ -3566,7 +3571,7 @@ def test_compile_build_targets_setuptools_no_wheel_dep(
             "--build-deps-for",
             "wheel",
             "--find-links",
-            os.fspath(MINIMAL_WHEELS_PATH),
+            minimal_wheels_path.as_posix(),
             os.fspath(tmp_path / "pyproject.toml"),
             "--constraint",
             os.fspath(tmp_path / "constraints.txt"),