Add register_actions hook to test plugin and improve test

tests/fixtures.py

@@ -48,6 +48,7 @@ EXPECTED_PLUGINS = [
             "prepare_connection",
             "prepare_jinja2_environment",
             "query_actions",
+            "register_actions",
             "register_facet_classes",
             "register_magic_parameters",
             "register_permissions",

tests/plugins/my_plugin.py

@@ -2,6 +2,8 @@ import asyncio
 from datasette import hookimpl, Permission
 from datasette.facets import Facet
 from datasette import tracer
+from datasette.permissions import Action
+from datasette.resources import DatabaseResource
 from datasette.utils import path_with_added_args
 from datasette.utils.asgi import asgi_send_json, Response
 import base64
@@ -498,3 +500,17 @@ def register_permissions(datasette):
             for p in extras["permissions"]
         )
     return permissions
+
+
+@hookimpl
+def register_actions(datasette):
+    return [
+        Action(
+            name="view-collection",
+            abbr="vc",
+            description="View a collection",
+            takes_parent=True,
+            takes_child=False,
+            resource_class=DatabaseResource,
+        )
+    ]

tests/test_plugins.py

@@ -1560,6 +1560,17 @@ async def test_hook_register_events():
     assert any(k.__name__ == "OneEvent" for k in datasette.event_classes)
 
 
+@pytest.mark.asyncio
+async def test_hook_register_actions():
+    datasette = Datasette(memory=True, plugins_dir=PLUGINS_DIR)
+    await datasette.invoke_startup()
+    # Check that the custom action from my_plugin.py is registered
+    assert "view-collection" in datasette.actions
+    action = datasette.actions["view-collection"]
+    assert action.abbr == "vc"
+    assert action.description == "View a collection"
+
+
 @pytest.mark.skip(reason="TODO")
 @pytest.mark.parametrize(
     "metadata,config,expected_metadata,expected_config",