Test unsupported subscription exception

Author: wravery

samples/today/TodayMock.cpp

@@ -539,4 +539,9 @@ service::FieldResult<response::IntType> Expensive::getOrder(service::FieldParams
 		static_cast<response::IntType>(order));
 }
 
+EmptyOperations::EmptyOperations()
+	: service::Request({}, GetSchema())
+{
+}
+
 } /* namespace graphql::today */

samples/today/TodayMock.h

@@ -636,6 +636,13 @@ class Expensive : public object::Expensive
 	const size_t order;
 };
 
+class EmptyOperations : public service::Request
+{
+public:
+	explicit EmptyOperations();
+};
+
+
 } /* namespace graphql::today */
 
 #endif // TODAYMOCK_H

test/TodayTests.cpp

@@ -708,14 +708,6 @@ TEST_F(TodayServiceCase, SubscribeNextAppointmentChangeOverride)
 TEST_F(TodayServiceCase, DeliverNextAppointmentChangeNoSubscriptionObject)
 {
 	auto service = std::make_shared<today::Operations>(nullptr, nullptr, nullptr);
-	auto query = R"(subscription TestSubscription {
-			nextAppointment: nextAppointmentChange {
-				nextAppointmentId: id
-				when
-				subject
-				isNow
-			}
-		})"_graphql;
 	bool exception = false;
 
 	try
@@ -731,6 +723,23 @@ TEST_F(TodayServiceCase, DeliverNextAppointmentChangeNoSubscriptionObject)
 	ASSERT_TRUE(exception) << "expected an exception";
 }
 
+TEST_F(TodayServiceCase, DeliverNextAppointmentChangeNoSubscriptionSupport)
+{
+	auto service = std::make_shared<today::EmptyOperations>();
+	bool exception = false;
+
+	try
+	{
+		service->deliver("nextAppointmentChange", nullptr);
+	}
+	catch (std::logic_error& ex)
+	{
+		EXPECT_TRUE(ex.what() == "Subscriptions not supported"sv) << "exception should match";
+		exception = true;
+	}
+
+	ASSERT_TRUE(exception) << "expected an exception";
+}
 TEST_F(TodayServiceCase, Introspection)
 {
 	auto query = R"({