def test_sys_pycache_prefix_integration(self, tmp_path, monkeypatch,
testdir):
"""Integration test for sys.pycache_prefix (#4730)."""
pycache_prefix = tmp_path / "my/pycs"
monkeypatch.setattr(sys, "pycache_prefix", str(pycache_prefix))
monkeypatch.setattr(sys, "dont_write_bytecode", False)
testdir.makepyfile(
**{
"src/test_foo.py": """
import bar
def test_foo():
pass
""",
"src/bar/__init__.py": "",
})
result = testdir.runpytest()
assert result.ret == 0
test_foo = Path(testdir.tmpdir) / "src/test_foo.py"
bar_init = Path(testdir.tmpdir) / "src/bar/__init__.py"
assert test_foo.is_file()
assert bar_init.is_file()
# test file: rewritten, custom pytest cache tag
test_foo_pyc = get_cache_dir(test_foo) / ("test_foo" + PYC_TAIL)
assert test_foo_pyc.is_file()
# normal file: not touched by pytest, normal cache tag
bar_init_pyc = get_cache_dir(
bar_init) / "__init__.{cache_tag}.pyc".format(
cache_tag=sys.implementation.cache_tag)
assert bar_init_pyc.is_file()
def test_get_cache_dir(self, monkeypatch, prefix, source, expected):
if prefix:
if sys.version_info < (3, 8):
pytest.skip("pycache_prefix not available in py<38")
monkeypatch.setattr(sys, "pycache_prefix", prefix)
assert get_cache_dir(Path(source)) == Path(expected)
