added first round of tests for blueprint generation

Author: Roberto De Ioris

Source/UnrealEnginePython/Private/UEPyEdGraphPin.cpp

@@ -97,7 +97,7 @@ static int py_ue_edgraphpin_set_default_object(ue_PyEdGraphPin *self, PyObject *
 		self->pin->DefaultObject = py_obj->ue_object;
 		return 0;
 	}
-	PyErr_SetString(PyExc_TypeError, "value is not a string");
+	PyErr_SetString(PyExc_TypeError, "value is not a UObject");
 	return -1;
 }
 

tests/test_blueprint.py

@@ -0,0 +1,52 @@
+import unittest
+import unreal_engine as ue
+from unreal_engine.classes import Actor, Character
+from unreal_engine import FVector
+import time
+import math
+
+class TestBlueprint(unittest.TestCase):
+
+    def setUp(self):
+        self.world = ue.get_editor_world()
+        self.random_string = str(int(time.time()))
+
+
+    def tearDown(self):
+        ue.allow_actor_script_execution_in_editor(False)
+
+    def test_creation(self):
+        new_blueprint = ue.create_blueprint(Actor, '/Game/Tests/Blueprints/Test0_' + self.random_string)
+        ue.log(new_blueprint.ParentClass)
+        self.assertEqual(new_blueprint.ParentClass, Actor)
+        self.assertNotEqual(new_blueprint.ParentClass, Character)
+
+    def test_spawn(self):
+        new_blueprint = ue.create_blueprint(Character, '/Game/Tests/Blueprints/Test1_' + self.random_string)
+        new_actor = self.world.actor_spawn(new_blueprint.GeneratedClass)
+        self.assertTrue(new_actor.is_a(Character))
+
+    def test_variable(self):
+        new_blueprint = ue.create_blueprint(Character, '/Game/Tests/Blueprints/Test2_' + self.random_string)
+        ue.blueprint_add_member_variable(new_blueprint, 'TestValue', 'int')
+        ue.compile_blueprint(new_blueprint)
+        new_actor = self.world.actor_spawn(new_blueprint.GeneratedClass)
+        new_actor.TestValue = 17
+        self.assertEqual(new_actor.get_property('TestValue'), 17)
+
+    def test_event(self):
+        new_blueprint = ue.create_blueprint(Character, '/Game/Tests/Blueprints/Test3_' + self.random_string)
+        uber_page = new_blueprint.UberGraphPages[0]
+        x, y = uber_page.graph_get_good_place_for_new_node()
+        test_event = uber_page.graph_add_node_custom_event('TestEvent', x, y)
+        x, y = uber_page.graph_get_good_place_for_new_node()
+        node_set_actor_location = uber_page.graph_add_node_call_function(Actor.K2_SetActorLocation, x, y)
+        test_event.node_find_pin('then').make_link_to(node_set_actor_location.node_find_pin('execute'))
+        node_set_actor_location.node_find_pin('NewLocation').default_value = '17,30,22'
+        ue.compile_blueprint(new_blueprint)
+        new_actor = self.world.actor_spawn(new_blueprint.GeneratedClass)
+        self.assertEqual(new_actor.get_actor_location(), FVector(0, 0, 0))
+        ue.allow_actor_script_execution_in_editor(True)
+        new_actor.TestEvent()
+        self.assertEqual(new_actor.get_actor_location(), FVector(17, 30, 22))
+