🧪 simulate example scene in e2e test (#115)

examples/BeehaveTestScene.gd

@@ -1,6 +1,6 @@
 extends Node2D
 
-@onready var sprite := $Sprite2D
+@onready var sprite := $ColorChangingSprite
 @onready var tree := %BeehaveTree
 @onready var condition_label := %ConditionLabel
 @onready var action_label := %ActionLabel

examples/BeehaveTestScene.tscn

@@ -1,7 +1,8 @@
-[gd_scene load_steps=11 format=3 uid="uid://y24m3r3eydsu"]
+[gd_scene load_steps=12 format=3 uid="uid://y24m3r3eydsu"]
 
 [ext_resource type="Script" path="res://examples/BeehaveTestScene.gd" id="1_s45or"]
 [ext_resource type="Texture2D" uid="uid://bphl1evimyk6u" path="res://splash.png" id="2_yf6a3"]
+[ext_resource type="Script" path="res://examples/ColorChangingSprite.gd" id="3_4a21r"]
 [ext_resource type="Script" path="res://addons/beehave/nodes/beehave_tree.gd" id="3_hid2l"]
 [ext_resource type="Script" path="res://addons/beehave/nodes/composites/selector.gd" id="4_8ftoq"]
 [ext_resource type="Script" path="res://addons/beehave/nodes/composites/sequence.gd" id="5_ifctq"]
@@ -22,38 +23,39 @@ position = Vector2(32, 46)
 scale = Vector2(2.63487, 2.57664)
 texture = ExtResource("2_yf6a3")
 
-[node name="Sprite2D" type="Sprite2D" parent="."]
+[node name="ColorChangingSprite" type="Sprite2D" parent="."]
 scale = Vector2(0.1, 0.1)
 texture = SubResource("CompressedTexture2D_atdvc")
+script = ExtResource("3_4a21r")
 
-[node name="BeehaveTree" type="Node" parent="Sprite2D" node_paths=PackedStringArray("blackboard")]
+[node name="BeehaveTree" type="Node" parent="ColorChangingSprite" node_paths=PackedStringArray("blackboard")]
 unique_name_in_owner = true
 script = ExtResource("3_hid2l")
 actor_node_path = NodePath("")
 blackboard = NodePath("../../Blackboard")
 
-[node name="SelectorComposite" type="Node" parent="Sprite2D/BeehaveTree"]
+[node name="SelectorComposite" type="Node" parent="ColorChangingSprite/BeehaveTree"]
 script = ExtResource("4_8ftoq")
 
-[node name="SequenceComposite" type="Node" parent="Sprite2D/BeehaveTree/SelectorComposite"]
+[node name="SequenceComposite" type="Node" parent="ColorChangingSprite/BeehaveTree/SelectorComposite"]
 script = ExtResource("5_ifctq")
 
-[node name="HasPositivePosition" parent="Sprite2D/BeehaveTree/SelectorComposite/SequenceComposite" instance=ExtResource("6_7qx5k")]
+[node name="HasPositivePosition" parent="ColorChangingSprite/BeehaveTree/SelectorComposite/SequenceComposite" instance=ExtResource("6_7qx5k")]
 
-[node name="SetModulateColor" parent="Sprite2D/BeehaveTree/SelectorComposite/SequenceComposite" instance=ExtResource("7_b4xjm")]
+[node name="SetModulateColor" parent="ColorChangingSprite/BeehaveTree/SelectorComposite/SequenceComposite" instance=ExtResource("7_b4xjm")]
 modulate_color = Color(1, 0, 0, 1)
 
-[node name="SequenceComposite2" type="Node" parent="Sprite2D/BeehaveTree/SelectorComposite"]
+[node name="SequenceComposite2" type="Node" parent="ColorChangingSprite/BeehaveTree/SelectorComposite"]
 script = ExtResource("5_ifctq")
 
-[node name="HasNegativePosition" parent="Sprite2D/BeehaveTree/SelectorComposite/SequenceComposite2" instance=ExtResource("8_dorjh")]
+[node name="HasNegativePosition" parent="ColorChangingSprite/BeehaveTree/SelectorComposite/SequenceComposite2" instance=ExtResource("8_dorjh")]
 
-[node name="SetModulateColor" parent="Sprite2D/BeehaveTree/SelectorComposite/SequenceComposite2" instance=ExtResource("7_b4xjm")]
+[node name="SetModulateColor" parent="ColorChangingSprite/BeehaveTree/SelectorComposite/SequenceComposite2" instance=ExtResource("7_b4xjm")]
 modulate_color = Color(0, 0, 1, 1)
 
-[node name="SetModulateColor" parent="Sprite2D/BeehaveTree/SelectorComposite" instance=ExtResource("7_b4xjm")]
+[node name="SetModulateColor" parent="ColorChangingSprite/BeehaveTree/SelectorComposite" instance=ExtResource("7_b4xjm")]
 
-[node name="Camera2D" type="Camera2D" parent="Sprite2D"]
+[node name="Camera2D" type="Camera2D" parent="ColorChangingSprite"]
 
 [node name="Blackboard" type="Node" parent="."]
 script = ExtResource("9_k8008")

examples/ColorChangingSprite.gd

@@ -0,0 +1,3 @@
+class_name ColorChangingSprite extends Sprite2D
+
+signal color_changed

examples/actions/SetModulateColor.gd

@@ -16,13 +16,15 @@ func tick(actor: Node, _blackboard: Blackboard) -> int:
 		.set_ease(Tween.EASE_IN_OUT)\
 		.set_trans(Tween.TRANS_CUBIC)
 		tween.tween_property(actor, "modulate", current_color, interpolation_time)\
-		.finished.connect(_finished)
+		.finished.connect(_finished.bind(actor))
 
 	if current_color != null:
 		return RUNNING
 	else:
 		return SUCCESS
 
-func _finished() -> void:
+func _finished(actor: Node) -> void:
 	current_color = null
 	tween = null
+	if actor is ColorChangingSprite:
+		actor.color_changed.emit()

test/e2e_test.gd

@@ -0,0 +1,30 @@
+# GdUnit generated TestSuite
+class_name E2ETest
+extends GdUnitTestSuite
+@warning_ignore("unused_parameter")
+@warning_ignore("return_value_discarded")
+
+# TestSuite generated from
+const __source = "res://examples/BeehaveTestScene.tscn"
+
+func create_scene() -> Node2D:
+	return auto_free(load(__source).instantiate())
+
+
+func test_changing_to_all_colours() -> void:
+	var scene = create_scene()
+	var runner := scene_runner(scene)
+	# speed up the test
+	runner.set_time_factor(100.0)
+	scene.sprite.position = Vector2(200, 200)
+	await runner.simulate_until_object_signal(scene.sprite, "color_changed")
+	assert_that(scene.sprite.modulate).is_equal(Color.RED)
+	scene.sprite.position = Vector2(-200, 200)
+	await runner.simulate_until_object_signal(scene.sprite, "color_changed")
+	assert_that(scene.sprite.modulate).is_equal(Color.WHITE)
+	scene.sprite.position = Vector2(-200, -200)
+	await runner.simulate_until_object_signal(scene.sprite, "color_changed")
+	assert_that(scene.sprite.modulate).is_equal(Color.BLUE)
+	scene.sprite.position = Vector2(200, -200)
+	await runner.simulate_until_object_signal(scene.sprite, "color_changed")
+	assert_that(scene.sprite.modulate).is_equal(Color.WHITE)