def test_insert_missing_modules(self) -> None:
modules = {"src.tests.foo": ModuleType("src.tests.foo")}
insert_missing_modules(modules, "src.tests.foo")
assert sorted(modules) == ["src", "src.tests", "src.tests.foo"]
mod = ModuleType("mod", doc="My Module")
modules = {"src": mod}
insert_missing_modules(modules, "src")
assert modules == {"src": mod}
modules = {}
insert_missing_modules(modules, "")
assert modules == {}
def test_insert_missing_modules(self, monkeypatch: MonkeyPatch,
tmp_path: Path) -> None:
monkeypatch.chdir(tmp_path)
# Use 'xxx' and 'xxy' as parent names as they are unlikely to exist and
# don't end up being imported.
modules = {"xxx.tests.foo": ModuleType("xxx.tests.foo")}
insert_missing_modules(modules, "xxx.tests.foo")
assert sorted(modules) == ["xxx", "xxx.tests", "xxx.tests.foo"]
mod = ModuleType("mod", doc="My Module")
modules = {"xxy": mod}
insert_missing_modules(modules, "xxy")
assert modules == {"xxy": mod}
modules = {}
insert_missing_modules(modules, "")
assert modules == {}