tests: add qmp_assert_error_class()

This helper will simplify a bunch of code checking for QMP errors and
can be shared by various tests.  Note that test-qga does check for
error description as well, so don't replace the code there for now.

Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: Thomas Huth <thuth@redhat.com>

1 files changed, 11 insertions, 0 deletions

diff --git a/tests/libqtest.c b/tests/libqtest.c
index d635c5bea0..2cd5736642 100644
--- a/tests/libqtest.c
+++ b/tests/libqtest.c
@@ -1194,3 +1194,14 @@ bool qmp_rsp_is_err(QDict *rsp)
     qobject_unref(rsp);
     return !!error;
 }
+
+void qmp_assert_error_class(QDict *rsp, const char *class)
+{
+    QDict *error = qdict_get_qdict(rsp, "error");
+
+    g_assert_cmpstr(qdict_get_try_str(error, "class"), ==, class);
+    g_assert_nonnull(qdict_get_try_str(error, "desc"));
+    g_assert(!qdict_haskey(rsp, "return"));
+
+    qobject_unref(rsp);
+}