Add tests for BTNewScope

tests/test_new_scope.h

@@ -0,0 +1,100 @@
+/**
+ * test_new_scope.h
+ * =============================================================================
+ * Copyright 2021-2023 Serhii Snitsaruk
+ *
+ * Use of this source code is governed by an MIT-style
+ * license that can be found in the LICENSE file or at
+ * https://opensource.org/licenses/MIT.
+ * =============================================================================
+ */
+
+#ifndef TEST_NEW_SCOPE_H
+#define TEST_NEW_SCOPE_H
+
+#include "limbo_test.h"
+
+#include "modules/limboai/bt/tasks/bt_task.h"
+#include "modules/limboai/bt/tasks/decorators/bt_new_scope.h"
+
+namespace TestNewScope {
+
+TEST_CASE("[Modules][LimboAI] BTNewScope") {
+	Ref<BTNewScope> ns = memnew(BTNewScope);
+	Node *dummy = memnew(Node);
+	Ref<Blackboard> parent_bb = memnew(Blackboard);
+
+	SUBCASE("When empty") {
+		ERR_PRINT_OFF;
+		ns->initialize(dummy, parent_bb);
+		CHECK(ns->execute(0.01666) == BTTask::FAILURE);
+		ERR_PRINT_ON;
+	}
+
+	SUBCASE("When not empty") {
+		Ref<BTTask> parent = memnew(BTTask);
+		parent->add_child(ns);
+
+		Ref<BTTestAction> child = memnew(BTTestAction);
+		ns->add_child(child);
+
+		parent_bb->set_var("fruit", "apple");
+		parent_bb->set_var("vegetable", "carrot");
+		REQUIRE(parent_bb->has_var("fruit"));
+		REQUIRE(parent_bb->get_var("fruit", "wetgoop") == "apple");
+		REQUIRE(parent_bb->has_var("vegetable"));
+		REQUIRE(parent_bb->get_var("vegetable", "wetgoop") == "carrot");
+
+		parent->initialize(dummy, parent_bb);
+
+		CHECK(ns->get_blackboard() != parent->get_blackboard());
+		CHECK(ns->get_blackboard() == child->get_blackboard());
+		CHECK(parent->get_blackboard() == parent_bb);
+		CHECK(ns->get_blackboard()->get_parent_scope() == parent_bb);
+
+		ns->get_blackboard()->set_var("fruit", "pear"); // * override "fruit"
+
+		CHECK(ns->get_blackboard()->get_var("fruit", "wetgoop") == "pear");
+		CHECK(child->get_blackboard()->get_var("fruit", "wetgoop") == "pear");
+		CHECK(parent->get_blackboard()->get_var("fruit", "wetgoop") == "apple");
+
+		// * Check if new scope inherits "vegetable"
+		CHECK(ns->get_blackboard()->has_var("vegetable"));
+		CHECK(ns->get_blackboard()->get_var("vegetable", "wetgoop") == "carrot");
+		CHECK(child->get_blackboard()->get_var("vegetable", "wetgoop") == "carrot");
+
+		// * Check if "vegetable" from the parent scope is accessible
+		CHECK(ns->get_blackboard()->has_var("vegetable"));
+		CHECK(child->get_blackboard()->has_var("vegetable"));
+		CHECK(ns->get_blackboard()->get_var("vegetable", "wetgoop") == "carrot");
+		CHECK(child->get_blackboard()->get_var("vegetable", "wetgoop") == "carrot");
+
+		// * Check if setting a variable doesn't propagate it up the scope
+		ns->get_blackboard()->set_var("berry", "raspberry");
+		CHECK(ns->get_blackboard()->get_var("berry", "wetgoop") == "raspberry");
+		CHECK(child->get_blackboard()->get_var("berry", "wetgoop") == "raspberry");
+		CHECK(parent->get_blackboard()->get_var("berry", "wetgoop") == "wetgoop");
+		CHECK_FALSE(parent->get_blackboard()->has_var("berry"));
+
+		// * Check if setting a variable doesn't propagate it up the scope (now with the child task)
+		child->get_blackboard()->set_var("seed", "sunflower");
+		CHECK(child->get_blackboard()->get_var("seed", "wetgoop") == "sunflower");
+		CHECK(ns->get_blackboard()->get_var("seed", "wetgoop") == "sunflower");
+		CHECK(parent->get_blackboard()->get_var("seed", "wetgoop") == "wetgoop");
+		CHECK_FALSE(parent->get_blackboard()->has_var("seed"));
+
+		// * Check return status
+		child->ret_status = BTTask::SUCCESS;
+		CHECK(ns->execute(0.01666) == BTTask::SUCCESS);
+		child->ret_status = BTTask::FAILURE;
+		CHECK(ns->execute(0.01666) == BTTask::FAILURE);
+		child->ret_status = BTTask::RUNNING;
+		CHECK(ns->execute(0.01666) == BTTask::RUNNING);
+	}
+
+	memdelete(dummy);
+}
+
+} //namespace TestNewScope
+
+#endif // TEST_NEW_SCOPE_H