Cog tests: add a function to yield all commands

This will help reduce nesting in the actual test.

1 files changed, 7 insertions, 0 deletions

diff --git a/tests/bot/cogs/test_cogs.py b/tests/bot/cogs/test_cogs.py
index e28717756..d260b46a7 100644
--- a/tests/bot/cogs/test_cogs.py
+++ b/tests/bot/cogs/test_cogs.py
@@ -43,3 +43,10 @@ class CommandNameTests(unittest.TestCase):
         names.append(command.qualified_name)
 
         return names
+
+    def get_all_commands(self) -> t.Iterator[commands.Command]:
+        """Yield all commands for all cogs in all extensions."""
+        for extension in self.walk_extensions():
+            for cog in self.walk_cogs(extension):
+                for cmd in self.walk_commands(cog):
+                    yield cmd