refactor: split script into modules and drop queue save/load

tests/app_spec.lua

@@ -0,0 +1,126 @@
+local function assert_equal(actual, expected, message)
+	if actual ~= expected then
+		error(
+			(message or "values differ")
+				.. string.format("\nexpected: %s\nactual: %s", tostring(expected), tostring(actual))
+		)
+	end
+end
+
+local function assert_nil(value, message)
+	if value ~= nil then
+		error((message or "expected nil") .. string.format("\nactual: %s", tostring(value)))
+	end
+end
+
+local function assert_falsy(value, message)
+	if value then
+		error(message or "expected falsy value")
+	end
+end
+
+local function load_script()
+	local bindings = {}
+	local mp_stub = {
+		get_property = function()
+			return ""
+		end,
+		get_property_number = function(_, default)
+			return default
+		end,
+		set_property_number = function() end,
+		set_osd_ass = function() end,
+		osd_message = function() end,
+		add_periodic_timer = function()
+			return {
+				kill = function() end,
+				resume = function() end,
+			}
+		end,
+		add_timeout = function()
+			return {
+				kill = function() end,
+				resume = function() end,
+			}
+		end,
+		add_key_binding = function(_, _, name)
+			bindings[name] = true
+		end,
+		register_event = function() end,
+		register_script_message = function() end,
+		commandv = function() end,
+		command_native_async = function(_, callback)
+			if callback then
+				callback(false, nil, "not implemented in tests")
+			end
+		end,
+		command_native = function()
+			return {
+				status = 0,
+				stdout = "",
+			}
+		end,
+	}
+
+	package.loaded["mp"] = nil
+	package.loaded["mp.options"] = nil
+	package.loaded["mp.utils"] = nil
+	package.loaded["mp.assdraw"] = nil
+	package.loaded["app"] = nil
+	package.loaded["history_client"] = nil
+	package.loaded["input"] = nil
+	package.loaded["json"] = nil
+	package.loaded["shell"] = nil
+	package.loaded["state"] = nil
+	package.loaded["ui"] = nil
+	package.loaded["video_store"] = nil
+
+	package.preload["mp"] = function()
+		return mp_stub
+	end
+
+	package.preload["mp.options"] = function()
+		return {
+			read_options = function() end,
+		}
+	end
+
+	package.preload["mp.utils"] = function()
+		return {
+			file_info = function()
+				return nil
+			end,
+			split_path = function(path)
+				return path:match("^(.*[/\\])(.-)$")
+			end,
+			parse_json = function()
+				return nil
+			end,
+		}
+	end
+
+	package.preload["mp.assdraw"] = function()
+		return {
+			ass_new = function()
+				return {
+					text = "",
+					append = function(self, value)
+						self.text = self.text .. value
+					end,
+				}
+			end,
+		}
+	end
+
+	local chunk = assert(loadfile("mpv-youtube-queue/main.lua"))
+	return chunk(), bindings
+end
+
+local script, bindings = load_script()
+
+assert_nil(script.YouTubeQueue.save_queue, "queue save API should be removed")
+assert_nil(script.YouTubeQueue.load_queue, "queue load API should be removed")
+assert_falsy(bindings.save_queue, "save_queue binding should be removed")
+assert_falsy(bindings.save_queue_alt, "save_queue_alt binding should be removed")
+assert_falsy(bindings.load_queue, "load_queue binding should be removed")
+assert_equal(type(script.YouTubeQueue.add_to_queue), "function", "queue add API should remain")