chore: import upstream snapshot with attribution

rllib/algorithms/tests/test_telemetry.py

@@ -0,0 +1,46 @@
+import sys
+
+import pytest
+
+import ray
+import ray._common.usage.usage_lib as ray_usage_lib
+from ray._common.test_utils import TelemetryCallsite, check_library_usage_telemetry
+
+
+@pytest.fixture
+def reset_usage_lib():
+    yield
+    ray.shutdown()
+    ray_usage_lib.reset_global_state()
+
+
+@pytest.mark.skip(reason="Usage currently marked on import.")
+@pytest.mark.parametrize("callsite", list(TelemetryCallsite))
+def test_not_used_on_import(reset_usage_lib, callsite: TelemetryCallsite):
+    def _import_rllib():
+        from ray import rllib  # noqa: F401
+
+    check_library_usage_telemetry(
+        _import_rllib, callsite=callsite, expected_library_usages=[set(), {"core"}]
+    )
+
+
+@pytest.mark.parametrize("callsite", list(TelemetryCallsite))
+def test_used_on_import(reset_usage_lib, callsite: TelemetryCallsite):
+    def _use_rllib():
+        # TODO(edoakes): this test currently fails if we don't call `ray.init()`
+        # prior to the import. This is a bug.
+        if callsite == TelemetryCallsite.DRIVER:
+            ray.init()
+
+        from ray import rllib  # noqa: F401
+
+    check_library_usage_telemetry(
+        _use_rllib,
+        callsite=callsite,
+        expected_library_usages=[{"rllib"}, {"core", "rllib"}],
+    )
+
+
+if __name__ == "__main__":
+    sys.exit(pytest.main(["-v", "-s", __file__]))