Add a helpful message to the config_entries.OperationNotAllowed exception (#78631)

We only expect this exception to be raised as a result of an
implementation problem. When it is raised during production
it is currently hard to trace down why its happening

See #75835

homeassistant/config_entries.py

@@ -1024,7 +1024,10 @@ class ConfigEntries:
             raise UnknownEntry
 
         if entry.state is not ConfigEntryState.NOT_LOADED:
-            raise OperationNotAllowed
+            raise OperationNotAllowed(
+                f"The config entry {entry.title} ({entry.domain}) with entry_id {entry.entry_id}"
+                f" cannot be setup because is already loaded in the {entry.state} state"
+            )
 
         # Setup Component if not set up yet
         if entry.domain in self.hass.config.components:
@@ -1046,7 +1049,10 @@ class ConfigEntries:
             raise UnknownEntry
 
         if not entry.state.recoverable:
-            raise OperationNotAllowed
+            raise OperationNotAllowed(
+                f"The config entry {entry.title} ({entry.domain}) with entry_id "
+                f"{entry.entry_id} cannot be unloaded because it is not in a recoverable state ({entry.state})"
+            )
 
         return await entry.async_unload(self.hass)
 

tests/test_config_entries.py

@@ -1141,7 +1141,7 @@ async def test_entry_setup_invalid_state(hass, manager, state):
         MockModule("comp", async_setup=mock_setup, async_setup_entry=mock_setup_entry),
     )
 
-    with pytest.raises(config_entries.OperationNotAllowed):
+    with pytest.raises(config_entries.OperationNotAllowed, match=str(state)):
         assert await manager.async_setup(entry.entry_id)
 
     assert len(mock_setup.mock_calls) == 0
@@ -1201,7 +1201,7 @@ async def test_entry_unload_invalid_state(hass, manager, state):
 
     mock_integration(hass, MockModule("comp", async_unload_entry=async_unload_entry))
 
-    with pytest.raises(config_entries.OperationNotAllowed):
+    with pytest.raises(config_entries.OperationNotAllowed, match=str(state)):
         assert await manager.async_unload(entry.entry_id)
 
     assert len(async_unload_entry.mock_calls) == 0
@@ -1296,7 +1296,7 @@ async def test_entry_reload_error(hass, manager, state):
         ),
     )
 
-    with pytest.raises(config_entries.OperationNotAllowed):
+    with pytest.raises(config_entries.OperationNotAllowed, match=str(state)):
         assert await manager.async_reload(entry.entry_id)
 
     assert len(async_unload_entry.mock_calls) == 0
@@ -1370,7 +1370,10 @@ async def test_entry_disable_without_reload_support(hass, manager):
     assert entry.state is config_entries.ConfigEntryState.FAILED_UNLOAD
 
     # Enable
-    with pytest.raises(config_entries.OperationNotAllowed):
+    with pytest.raises(
+        config_entries.OperationNotAllowed,
+        match=str(config_entries.ConfigEntryState.FAILED_UNLOAD),
+    ):
         await manager.async_set_disabled_by(entry.entry_id, None)
     assert len(async_setup.mock_calls) == 0
     assert len(async_setup_entry.mock_calls) == 0
@@ -3270,7 +3273,10 @@ async def test_disallow_entry_reload_with_setup_in_progresss(hass, manager):
     )
     entry.add_to_hass(hass)
 
-    with pytest.raises(config_entries.OperationNotAllowed):
+    with pytest.raises(
+        config_entries.OperationNotAllowed,
+        match=str(config_entries.ConfigEntryState.SETUP_IN_PROGRESS),
+    ):
         assert await manager.async_reload(entry.entry_id)
     assert entry.state is config_entries.ConfigEntryState.SETUP_IN_PROGRESS