tests: add functional tests for RPC debug

Author: knst

test/functional/rpc_misc.py

@@ -62,6 +62,10 @@ def run_test(self):
         assert_equal(node.logging()['qt'], False)
         node.logging(include=['qt'])
         assert_equal(node.logging()['qt'], True)
+        node.debug('none')
+        assert_equal(node.logging()['qt'], False)
+        node.debug('qt')
+        assert_equal(node.logging()['qt'], True)
 
         # Test logging RPC returns the logging categories in alphabetical order.
         sorted_logging_categories = sorted(node.logging())
@@ -71,6 +75,7 @@ def run_test(self):
         categories = ', '.join(sorted_logging_categories)
         logging_help = self.nodes[0].help('logging')
         assert f"valid logging categories are: {categories}" in logging_help
+        assert f"valid logging categories are: {categories}" in self.nodes[0].help('debug')
 
         self.log.info("test echoipc (testing spawned process in multiprocess build)")
         assert_equal(node.echoipc("hello"), "hello")

test/functional/test_runner.py

@@ -898,8 +898,6 @@ def _get_uncovered_rpc_commands(self):
         covered_cmds.add('voteraw')
         # TODO: implement functional tests for getmerkleblocks
         covered_cmds.add('getmerkleblocks')
-        # TODO: drop it with v23+: remove `debug` in favour of `logging`
-        covered_cmds.add('debug')
 
         if not os.path.isfile(coverage_ref_filename):
             raise RuntimeError("No coverage reference found")