Add basic test cases for Type::GetConfigTypesSortedByLoadDependencies()

Author: yhabteab

test/CMakeLists.txt

@@ -121,6 +121,7 @@ add_boost_test(base
     base_type/assign
     base_type/byname
     base_type/instantiate
+    base_type/sort_by_load_after
     base_utility/parse_version
     base_utility/compare_version
     base_utility/comparepasswords_works

test/base-type.cpp

@@ -7,6 +7,8 @@
 #include "base/type.hpp"
 #include <BoostTestTargetConfig.h>
 
+#include "icinga/service.hpp"
+
 using namespace icinga;
 
 BOOST_AUTO_TEST_SUITE(base_type)
@@ -44,4 +46,36 @@ BOOST_AUTO_TEST_CASE(instantiate)
 	BOOST_CHECK(p);
 }
 
+BOOST_AUTO_TEST_CASE(sort_by_load_after)
+{
+	auto types (Type::GetConfigTypesSortedByLoadDependencies());
+	BOOST_REQUIRE_GE(types.size(), 29);
+
+	std::unordered_set<Type*> previousTypes;
+	for (auto type : types) {
+		BOOST_CHECK_EQUAL(true, ConfigObject::TypeInstance->IsAssignableFrom(type));
+
+		if (previousTypes.size() == 0) {
+			BOOST_CHECK_EQUAL(0, type->GetLoadDependencies().size());
+		} else {
+			if (Service::TypeInstance->IsAssignableFrom(type) || Endpoint::TypeInstance->IsAssignableFrom(type)) {
+				BOOST_CHECK_MESSAGE(type->GetLoadDependencies().size() > 0, "load dependencies must be non-zero");
+			}
+
+			for (Type* dependency : type->GetLoadDependencies()) {
+				BOOST_CHECK_MESSAGE(previousTypes.find(dependency) != previousTypes.end(), "type '" << type->GetName()
+					<< "' depends on '"<< dependency->GetName() << "' type, but it's not loaded before");
+			}
+		}
+
+		previousTypes.emplace(type.get());
+	}
+
+	BOOST_CHECK_MESSAGE(previousTypes.find(Host::TypeInstance.get()) != previousTypes.end(), "host type should be in the list");
+	BOOST_CHECK_MESSAGE(previousTypes.find(Service::TypeInstance.get()) != previousTypes.end(), "service type should be in the list");
+	BOOST_CHECK_MESSAGE(previousTypes.find(Endpoint::TypeInstance.get()) != previousTypes.end(), "endpoint type should be in the list");
+	BOOST_CHECK_MESSAGE(previousTypes.find(Downtime::TypeInstance.get()) != previousTypes.end(), "downtime type should be in the list");
+	BOOST_CHECK_MESSAGE(previousTypes.find(Comment::TypeInstance.get()) != previousTypes.end(), "comment type should be in the list");
+}
+
 BOOST_AUTO_TEST_SUITE_END()