qapi: Enforce command naming rules

Command names should be lower-case.  Enforce this.  Fix the fixable
offenders (all in tests/), and add the remainder to pragma
command-name-exceptions.

Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20210323094025.3569441-25-armbru@redhat.com>
Reviewed-by: Eric Blake <eblake@redhat.com>

tests/qapi-schema/qapi-schema-test.json

@@ -31,7 +31,7 @@
   'base': { 'type': 'EnumOne' }, 'discriminator': 'type',
   'data': { } }
 
-{ 'command': 'user_def_cmd0', 'data': 'Empty2', 'returns': 'Empty2' }
+{ 'command': 'user-def-cmd0', 'data': 'Empty2', 'returns': 'Empty2' }
 
 # for testing override of default naming heuristic
 { 'enum': 'QEnumTwo',
@@ -141,9 +141,9 @@
 { 'include': 'include/sub-module.json' }
 
 # testing commands
-{ 'command': 'user_def_cmd', 'data': {} }
-{ 'command': 'user_def_cmd1', 'data': {'ud1a': 'UserDefOne'} }
-{ 'command': 'user_def_cmd2',
+{ 'command': 'user-def-cmd', 'data': {} }
+{ 'command': 'user-def-cmd1', 'data': {'ud1a': 'UserDefOne'} }
+{ 'command': 'user-def-cmd2',
   'data': {'ud1a': {'type': 'UserDefOne'}, '*ud1b': 'UserDefOne'},
   'returns': 'UserDefTwo' }
 
@@ -230,7 +230,8 @@
     'union_bar': { 'type': 'str', 'if': 'defined(TEST_IF_UNION_BAR)'} },
   'if': 'defined(TEST_IF_UNION) && defined(TEST_IF_STRUCT)' }
 
-{ 'command': 'TestIfUnionCmd', 'data': { 'union_cmd_arg': 'TestIfUnion' },
+{ 'command': 'test-if-union-cmd',
+  'data': { 'union_cmd_arg': 'TestIfUnion' },
   'if': 'defined(TEST_IF_UNION)' }
 
 { 'alternate': 'TestIfAlternate', 'data':
@@ -238,16 +239,18 @@
     'bar': { 'type': 'TestStruct', 'if': 'defined(TEST_IF_ALT_BAR)'} },
   'if': 'defined(TEST_IF_ALT) && defined(TEST_IF_STRUCT)' }
 
-{ 'command': 'TestIfAlternateCmd', 'data': { 'alt_cmd_arg': 'TestIfAlternate' },
+{ 'command': 'test-if-alternate-cmd',
+  'data': { 'alt_cmd_arg': 'TestIfAlternate' },
   'if': 'defined(TEST_IF_ALT)' }
 
-{ 'command': 'TestIfCmd', 'data':
-  { 'foo': 'TestIfStruct',
+{ 'command': 'test-if-cmd',
+  'data': {
+    'foo': 'TestIfStruct',
     'bar': { 'type': 'TestIfEnum', 'if': 'defined(TEST_IF_CMD_BAR)' } },
   'returns': 'UserDefThree',
   'if': ['defined(TEST_IF_CMD)', 'defined(TEST_IF_STRUCT)'] }
 
-{ 'command': 'TestCmdReturnDefThree', 'returns': 'UserDefThree' }
+{ 'command': 'test-cmd-return-def-three', 'returns': 'UserDefThree' }
 
 { 'event': 'TEST_IF_EVENT', 'data':
   { 'foo': 'TestIfStruct',

tests/qapi-schema/qapi-schema-test.out

@@ -32,7 +32,7 @@ object Union
     case value2: q_empty
     case value3: q_empty
     case value4: q_empty
-command user_def_cmd0 Empty2 -> Empty2
+command user-def-cmd0 Empty2 -> Empty2
     gen=True success_response=True boxed=False oob=False preconfig=False
 enum QEnumTwo
     prefix QENUM_TWO
@@ -190,16 +190,16 @@ object UserDefListUnion
     case any: q_obj_anyList-wrapper
     case user: q_obj_StatusList-wrapper
 include include/sub-module.json
-command user_def_cmd None -> None
+command user-def-cmd None -> None
     gen=True success_response=True boxed=False oob=False preconfig=False
-object q_obj_user_def_cmd1-arg
+object q_obj_user-def-cmd1-arg
     member ud1a: UserDefOne optional=False
-command user_def_cmd1 q_obj_user_def_cmd1-arg -> None
+command user-def-cmd1 q_obj_user-def-cmd1-arg -> None
     gen=True success_response=True boxed=False oob=False preconfig=False
-object q_obj_user_def_cmd2-arg
+object q_obj_user-def-cmd2-arg
     member ud1a: UserDefOne optional=False
     member ud1b: UserDefOne optional=True
-command user_def_cmd2 q_obj_user_def_cmd2-arg -> UserDefTwo
+command user-def-cmd2 q_obj_user-def-cmd2-arg -> UserDefTwo
     gen=True success_response=True boxed=False oob=False preconfig=False
 command cmd-success-response None -> None
     gen=True success_response=False boxed=False oob=False preconfig=False
@@ -319,10 +319,10 @@ object TestIfUnion
     case union_bar: q_obj_str-wrapper
         if ['defined(TEST_IF_UNION_BAR)']
     if ['defined(TEST_IF_UNION) && defined(TEST_IF_STRUCT)']
-object q_obj_TestIfUnionCmd-arg
+object q_obj_test-if-union-cmd-arg
     member union_cmd_arg: TestIfUnion optional=False
     if ['defined(TEST_IF_UNION)']
-command TestIfUnionCmd q_obj_TestIfUnionCmd-arg -> None
+command test-if-union-cmd q_obj_test-if-union-cmd-arg -> None
     gen=True success_response=True boxed=False oob=False preconfig=False
     if ['defined(TEST_IF_UNION)']
 alternate TestIfAlternate
@@ -331,21 +331,21 @@ alternate TestIfAlternate
     case bar: TestStruct
         if ['defined(TEST_IF_ALT_BAR)']
     if ['defined(TEST_IF_ALT) && defined(TEST_IF_STRUCT)']
-object q_obj_TestIfAlternateCmd-arg
+object q_obj_test-if-alternate-cmd-arg
     member alt_cmd_arg: TestIfAlternate optional=False
     if ['defined(TEST_IF_ALT)']
-command TestIfAlternateCmd q_obj_TestIfAlternateCmd-arg -> None
+command test-if-alternate-cmd q_obj_test-if-alternate-cmd-arg -> None
     gen=True success_response=True boxed=False oob=False preconfig=False
     if ['defined(TEST_IF_ALT)']
-object q_obj_TestIfCmd-arg
+object q_obj_test-if-cmd-arg
     member foo: TestIfStruct optional=False
     member bar: TestIfEnum optional=False
         if ['defined(TEST_IF_CMD_BAR)']
     if ['defined(TEST_IF_CMD)', 'defined(TEST_IF_STRUCT)']
-command TestIfCmd q_obj_TestIfCmd-arg -> UserDefThree
+command test-if-cmd q_obj_test-if-cmd-arg -> UserDefThree
     gen=True success_response=True boxed=False oob=False preconfig=False
     if ['defined(TEST_IF_CMD)', 'defined(TEST_IF_STRUCT)']
-command TestCmdReturnDefThree None -> UserDefThree
+command test-cmd-return-def-three None -> UserDefThree
     gen=True success_response=True boxed=False oob=False preconfig=False
 array TestIfEnumList TestIfEnum
     if ['defined(TEST_IF_ENUM)']

tests/unit/test-qmp-cmds.c

@@ -13,7 +13,7 @@
 
 static QmpCommandList qmp_commands;
 
-UserDefThree *qmp_TestCmdReturnDefThree(Error **errp)
+UserDefThree *qmp_test_cmd_return_def_three(Error **errp)
 {
     return NULL;
 }
@@ -199,7 +199,7 @@ static void test_dispatch_cmd(void)
 
     ret = qobject_to(QDict,
                      do_qmp_dispatch(false,
-                                     "{ 'execute': 'user_def_cmd' }"));
+                                     "{ 'execute': 'user-def-cmd' }"));
     assert(ret && qdict_size(ret) == 0);
     qobject_unref(ret);
 }
@@ -220,11 +220,11 @@ static void test_dispatch_cmd_failure(void)
 {
     /* missing arguments */
     do_qmp_dispatch_error(false, ERROR_CLASS_GENERIC_ERROR,
-                          "{ 'execute': 'user_def_cmd2' }");
+                          "{ 'execute': 'user-def-cmd2' }");
 
     /* extra arguments */
     do_qmp_dispatch_error(false, ERROR_CLASS_GENERIC_ERROR,
-                          "{ 'execute': 'user_def_cmd',"
+                          "{ 'execute': 'user-def-cmd',"
                           " 'arguments': { 'a': 66 } }");
 }
 
@@ -248,7 +248,7 @@ static void test_dispatch_cmd_io(void)
     int64_t val;
 
     ret = qobject_to(QDict, do_qmp_dispatch(false,
-        "{ 'execute': 'user_def_cmd2', 'arguments': {"
+        "{ 'execute': 'user-def-cmd2', 'arguments': {"
         " 'ud1a': { 'integer': 42, 'string': 'hello' },"
         " 'ud1b': { 'integer': 422, 'string': 'hello2' } } }"));