test: 🧪 added no callable set test

Author: KANAjetzt

test/Unit/test_options.gd

@@ -18,6 +18,18 @@ func test_customize_script() -> void:
 	)
 
 
+func test_customize_script_no_callable() -> void:
+	# Clear saved error logs before testing to prevent false positives.
+	ModLoaderLog.logged_messages.by_type.error.clear()
+
+	ModLoaderStore._update_ml_options_from_options_resource("res://test_options/customize_script_no_callable_set/options_custom_validation_no_callable_set.tres")
+	var manifest := load_manifest_test_mod_1()
+
+	var logs := ModLoaderLog.get_by_type_as_string("error")
+
+	assert_string_contains("".join(logs), "No custom game version validation callable detected. Please provide a valid validation callable.")
+
+
 func test_game_verion_validation_disabled() ->  void:
 	ModLoaderStore._update_ml_options_from_options_resource("res://test_options/game_version_validation_disabled/options_game_version_validation_disabled.tres")
 	var manifest := load_manifest_test_mod_1()

test/test_options/customize_script_no_callable_set/custom_validation_no_callable_set.tres

@@ -0,0 +1,26 @@
+[gd_resource type="Resource" script_class="ModLoaderOptionsProfile" load_steps=2 format=3 uid="uid://1gab2n8lgi60"]
+
+[ext_resource type="Script" path="res://addons/mod_loader/resources/options_profile.gd" id="1_d2tfu"]
+
+[resource]
+script = ExtResource("1_d2tfu")
+enable_mods = true
+locked_mods = Array[String]([])
+disabled_mods = Array[String]([])
+allow_modloader_autoloads_anywhere = false
+customize_script_path = "res://test_options/customize_script_no_callable_set/customize_script_no_callable_set.gd"
+log_level = 3
+ignore_deprecated_errors = false
+ignored_mod_names_in_log = Array[String]([])
+steam_id = 0
+semantic_version = "0.0.0"
+load_from_steam_workshop = false
+load_from_local = true
+override_path_to_mods = ""
+override_path_to_configs = ""
+override_path_to_workshop = ""
+override_path_to_hook_pack = ""
+override_hook_pack_name = ""
+restart_notification_scene_path = "res://addons/mod_loader/restart_notification.tscn"
+disable_restart = false
+game_version_validation = 2

test/test_options/customize_script_no_callable_set/customize_script_no_callable_set.gd

@@ -0,0 +1,27 @@
+extends RefCounted
+
+# This is an example script for the ModLoaderOptionsProfile `customize_script_path`.
+# Ideally, place this script outside the `mod_loader` directory to simplify the update process.
+
+
+# This script is loaded after `mod_loader_store.ml_options` has been initialized.
+# It receives `ml_options` as an argument, allowing you to apply settings
+# that cannot be configured through the editor UI.
+func _init(ml_options: ModLoaderOptionsProfile) -> void:
+	# Use OS.has_feature() to apply changes only for specific platforms,
+	# or create multiple customization scripts and set their paths accordingly in the option profiles.
+	if OS.has_feature("Steam"):
+		pass
+	elif OS.has_feature("Epic"):
+		pass
+	else:
+		pass
+		# Set `custom_game_version_validation_callable` to use a custom validation function.
+		#ml_options.custom_game_version_validation_callable = custom_is_game_version_compatible
+
+
+# Custom validation function
+# See `ModManifest._is_game_version_compatible()` for the default validation logic.
+func custom_is_game_version_compatible(manifest: ModManifest) -> bool:
+	manifest.validation_messages_warning.push_back("! ☞ﾟヮﾟ)☞ CUSTOM VALIDATION HERE ☜ﾟヮﾟ☜) !")
+	return true

test/test_options/customize_script_no_callable_set/options_custom_validation_no_callable_set.tres

@@ -0,0 +1,9 @@
+[gd_resource type="Resource" script_class="ModLoaderCurrentOptions" load_steps=3 format=3 uid="uid://c25j7kt7y8ora"]
+
+[ext_resource type="Resource" uid="uid://1gab2n8lgi60" path="res://test_options/customize_script_no_callable_set/custom_validation_no_callable_set.tres" id="1_xrqi6"]
+[ext_resource type="Script" path="res://addons/mod_loader/resources/options_current.gd" id="2_4o6bw"]
+
+[resource]
+script = ExtResource("2_4o6bw")
+current_options = ExtResource("1_xrqi6")
+feature_override_options = {}