test: assert logging categories are sorted in rpc and help

Author: jonatack

test/functional/rpc_misc.py

@@ -54,7 +54,7 @@ def run_test(self):
 
         assert_raises_rpc_error(-8, "unknown mode foobar", node.getmemoryinfo, mode="foobar")
 
-        self.log.info("test logging rpc")
+        self.log.info("test logging rpc and help")
 
         # Test logging RPC returns the expected number of logging categories.
         assert_equal(len(node.logging()), 24)
@@ -66,6 +66,15 @@ def run_test(self):
         node.logging(include=['qt'])
         assert_equal(node.logging()['qt'], True)
 
+        # Test logging RPC returns the logging categories in alphabetical order.
+        sorted_logging_categories = sorted(node.logging())
+        assert_equal(list(node.logging()), sorted_logging_categories)
+
+        # Test logging help returns the logging categories string in alphabetical order.
+        categories = ', '.join(sorted_logging_categories)
+        logging_help = self.nodes[0].help('logging')
+        assert f"valid logging categories are: {categories}" in logging_help
+
         self.log.info("test echoipc (testing spawned process in multiprocess build)")
         assert_equal(node.echoipc("hello"), "hello")