Enable test_available.py

lerobot/__init__.py

@@ -12,14 +12,11 @@ Example:
         print(lerobot.available_policies)
     ```
 
-Note:
-    When implementing a concrete class (e.g. `AlohaDataset`, `PushtEnv`, `DiffusionPolicy`), you need to:
-        1. set the required class attributes:
-            - for classes inheriting from `AbstractDataset`: `available_datasets`
-            - for classes inheriting from `AbstractEnv`: `name`, `available_tasks`
-            - for classes inheriting from `AbstractPolicy`: `name`
-        2. update variables in `lerobot/__init__.py` (e.g. `available_envs`, `available_datasets_per_envs`, `available_policies`)
-        3. update variables in `tests/test_available.py` by importing your new class
+When implementing a new dataset (e.g. `AlohaDataset`), policy (e.g. `DiffusionPolicy`), or environment, follow these steps:
+- Set the required class attributes: `available_datasets`.
+- Set the required class attributes: `name`.
+- Update variables in `lerobot/__init__.py` (e.g. `available_envs`, `available_datasets_per_envs`, `available_policies`)
+- Update variables in `tests/test_available.py` by importing your new class
 """
 
 from lerobot.__version__ import __version__  # noqa: F401
@@ -32,11 +29,11 @@ available_envs = [
 
 available_tasks_per_env = {
     "aloha": [
-        "sim_insertion",
-        "sim_transfer_cube",
+        "AlohaInsertion-v0",
+        "AlohaTransferCube-v0",
     ],
-    "pusht": ["pusht"],
-    "xarm": ["lift"],
+    "pusht": ["PushT-v0"],
+    "xarm": ["XarmLift-v0"],
 }
 
 available_datasets_per_env = {

tests/test_available.py

@@ -1,64 +1,53 @@
 """
 This test verifies that all environments, datasets, policies listed in `lerobot/__init__.py` can be sucessfully
-imported and that their class attributes (eg. `available_datasets`, `name`, `available_tasks`) corresponds.
+imported and that their class attributes (eg. `available_datasets`, `name`, `available_tasks`) are valid.
 
-Note:
-    When implementing a concrete class (e.g. `AlohaDataset`, `PushtEnv`, `DiffusionPolicy`), you need to:
-        1. set the required class attributes:
-            - for classes inheriting from `AbstractDataset`: `available_datasets`
-            - for classes inheriting from `AbstractEnv`: `name`, `available_tasks`
-            - for classes inheriting from `AbstractPolicy`: `name`
-        2. update variables in `lerobot/__init__.py` (e.g. `available_envs`, `available_datasets_per_envs`, `available_policies`)
-        3. update variables in `tests/test_available.py` by importing your new class
+When implementing a new dataset (e.g. `AlohaDataset`), policy (e.g. `DiffusionPolicy`), or environment, follow these steps:
+- Set the required class attributes: `available_datasets`.
+- Set the required class attributes: `name`.
+- Update variables in `lerobot/__init__.py` (e.g. `available_envs`, `available_datasets_per_envs`, `available_policies`)
+- Update variables in `tests/test_available.py` by importing your new class
 """
 
+import importlib
 import pytest
 import lerobot
+import gymnasium as gym
 
-# from lerobot.common.envs.aloha.env import AlohaEnv
-# from gym_pusht.envs import PushtEnv
-# from gym_xarm.envs import SimxarmEnv
+from lerobot.common.datasets.xarm import XarmDataset
+from lerobot.common.datasets.aloha import AlohaDataset
+from lerobot.common.datasets.pusht import PushtDataset
 
-# from lerobot.common.datasets.xarm import SimxarmDataset
-# from lerobot.common.datasets.aloha import AlohaDataset
-# from lerobot.common.datasets.pusht import PushtDataset
-
-# from lerobot.common.policies.act.policy import ActionChunkingTransformerPolicy
-# from lerobot.common.policies.diffusion.policy import DiffusionPolicy
-# from lerobot.common.policies.tdmpc.policy import TDMPCPolicy
+from lerobot.common.policies.act.policy import ActionChunkingTransformerPolicy
+from lerobot.common.policies.diffusion.policy import DiffusionPolicy
+from lerobot.common.policies.tdmpc.policy import TDMPCPolicy
 
 
-# def test_available():
-#     pol_classes = [
-#         ActionChunkingTransformerPolicy,
-#         DiffusionPolicy,
-#         TDMPCPolicy,
-#     ]
+def test_available():
+    policy_classes = [
+        ActionChunkingTransformerPolicy,
+        DiffusionPolicy,
+        TDMPCPolicy,
+    ]
 
-#     env_classes = [
-#         AlohaEnv,
-#         PushtEnv,
-#         SimxarmEnv,
-#     ]
+    dataset_class_per_env = {
+        "aloha": AlohaDataset,
+        "pusht": PushtDataset,
+        "xarm": XarmDataset,
+    }
     
-#     dat_classes = [
-#         AlohaDataset,
-#         PushtDataset,
-#         SimxarmDataset,
-#     ]
+    policies = [pol_cls.name for pol_cls in policy_classes]
+    assert set(policies) == set(lerobot.available_policies), policies
 
-#     policies = [pol_cls.name for pol_cls in pol_classes]
-#     assert set(policies) == set(lerobot.available_policies)
+    for env_name in lerobot.available_envs:
+        for task_name in lerobot.available_tasks_per_env[env_name]:
+            package_name = f"gym_{env_name}"
+            importlib.import_module(package_name)
+            gym_handle = f"{package_name}/{task_name}"
+            assert gym_handle in gym.envs.registry.keys(), gym_handle
 
-#     envs = [env_cls.name for env_cls in env_classes]
-#     assert set(envs) == set(lerobot.available_envs)
-
-#     tasks_per_env = {env_cls.name: env_cls.available_tasks for env_cls in env_classes}
-#     for env in envs:
-#         assert set(tasks_per_env[env]) == set(lerobot.available_tasks_per_env[env])
-
-#     datasets_per_env = {env_cls.name: dat_cls.available_datasets for env_cls, dat_cls in zip(env_classes, dat_classes)}
-#     for env in envs:
-#         assert set(datasets_per_env[env]) == set(lerobot.available_datasets_per_env[env])
+        dataset_class = dataset_class_per_env[env_name]
+        available_datasets = lerobot.available_datasets_per_env[env_name]
+        assert set(available_datasets) == set(dataset_class.available_datasets), f"{env_name=} {available_datasets=}"