tests: qapi: Test 'features' of commands

Signed-off-by: Peter Krempa <pkrempa@redhat.com>
Reviewed-by: Markus Armbruster <armbru@redhat.com>
Signed-off-by: Markus Armbruster <armbru@redhat.com>
Message-Id: <20191018081454.21369-4-armbru@redhat.com>

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

@@ -290,3 +290,21 @@
             'cfs1': 'CondFeatureStruct1',
             'cfs2': 'CondFeatureStruct2',
             'cfs3': 'CondFeatureStruct3' } }
+
+# test 'features' for command
+
+{ 'command': 'test-command-features0',
+  'features': [] }
+{ 'command': 'test-command-features1',
+  'features': [ 'feature1' ] }
+{ 'command': 'test-command-features3',
+  'features': [ 'feature1', 'feature2' ] }
+
+{ 'command': 'test-command-cond-features1',
+  'features': [ { 'name': 'feature1', 'if': 'defined(TEST_IF_FEATURE_1)'} ] }
+{ 'command': 'test-command-cond-features2',
+  'features': [ { 'name': 'feature1', 'if': 'defined(TEST_IF_FEATURE_1)'},
+                { 'name': 'feature2', 'if': 'defined(TEST_IF_FEATURE_2)'} ] }
+{ 'command': 'test-command-cond-features3',
+  'features': [ { 'name': 'feature1', 'if': [ 'defined(TEST_IF_COND_1)',
+                                              'defined(TEST_IF_COND_2)'] } ] }

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

@@ -412,3 +412,26 @@ object q_obj_test-features-arg
     member cfs3: CondFeatureStruct3 optional=False
 command test-features q_obj_test-features-arg -> None
     gen=True success_response=True boxed=False oob=False preconfig=False
+command test-command-features0 None -> None
+    gen=True success_response=True boxed=False oob=False preconfig=False
+command test-command-features1 None -> None
+    gen=True success_response=True boxed=False oob=False preconfig=False
+    feature feature1
+command test-command-features3 None -> None
+    gen=True success_response=True boxed=False oob=False preconfig=False
+    feature feature1
+    feature feature2
+command test-command-cond-features1 None -> None
+    gen=True success_response=True boxed=False oob=False preconfig=False
+    feature feature1
+        if ['defined(TEST_IF_FEATURE_1)']
+command test-command-cond-features2 None -> None
+    gen=True success_response=True boxed=False oob=False preconfig=False
+    feature feature1
+        if ['defined(TEST_IF_FEATURE_1)']
+    feature feature2
+        if ['defined(TEST_IF_FEATURE_2)']
+command test-command-cond-features3 None -> None
+    gen=True success_response=True boxed=False oob=False preconfig=False
+    feature feature1
+        if ['defined(TEST_IF_COND_1)', 'defined(TEST_IF_COND_2)']

tests/qapi-schema/test-qapi.py

@@ -61,10 +61,7 @@ def visit_object_type(self, name, info, ifcond, base, members, variants,
             self._print_if(m.ifcond, 8)
         self._print_variants(variants)
         self._print_if(ifcond)
-        if features:
-            for f in features:
-                print('    feature %s' % f.name)
-                self._print_if(f.ifcond, 8)
+        self._print_features(features)
 
     def visit_alternate_type(self, name, info, ifcond, variants):
         print('alternate %s' % name)
@@ -80,6 +77,7 @@ def visit_command(self, name, info, ifcond, arg_type, ret_type, gen,
         print('    gen=%s success_response=%s boxed=%s oob=%s preconfig=%s'
               % (gen, success_response, boxed, allow_oob, allow_preconfig))
         self._print_if(ifcond)
+        self._print_features(features)
 
     def visit_event(self, name, info, ifcond, arg_type, boxed):
         print('event %s %s' % (name, arg_type and arg_type.name))
@@ -99,6 +97,13 @@ def _print_if(ifcond, indent=4):
         if ifcond:
             print('%sif %s' % (' ' * indent, ifcond))
 
+    @classmethod
+    def _print_features(cls, features):
+        if features:
+            for f in features:
+                print('    feature %s' % f.name)
+                cls._print_if(f.ifcond, 8)
+
 
 def test_frontend(fname):
     schema = QAPISchema(fname)

tests/test-qmp-cmds.c

@@ -51,6 +51,30 @@ void qmp_test_features(FeatureStruct0 *fs0, FeatureStruct1 *fs1,
 {
 }
 
+void qmp_test_command_features0(Error **errp)
+{
+}
+
+void qmp_test_command_features1(Error **errp)
+{
+}
+
+void qmp_test_command_features3(Error **errp)
+{
+}
+
+void qmp_test_command_cond_features1(Error **errp)
+{
+}
+
+void qmp_test_command_cond_features2(Error **errp)
+{
+}
+
+void qmp_test_command_cond_features3(Error **errp)
+{
+}
+
 UserDefTwo *qmp_user_def_cmd2(UserDefOne *ud1a,
                               bool has_udb1, UserDefOne *ud1b,
                               Error **errp)