Fri, 11 Dec 2015 17:19:30 +0000
main.lua: Command-line processing, and a way to set connect_host/connect_port from the command-line
#!/usr/bin/env luajit local property_rules = {}; local function apply_object_properties(class, name, object) for _, rule in ipairs(property_rules) do if (not(rule.class) or tostring(rule.class):lower() == tostring(class):lower()) and (not(rule.name) or tostring(rule.name):lower() == tostring(name):lower()) then for prop_key, prop_value in pairs(rule.properties) do object[prop_key] = prop_value; end end end end function process_options() local function get_value() return (assert(table.remove(arg, 1), "unexpected end of command-line options")); end while arg[1] and arg[1]:sub(1,1) == "-" do local opt = arg[1]; if opt == "--" then table.remove(arg, 1); break; end table.remove(arg, 1); if opt == "--port" or opt == "-p" then local port = assert(tonumber(get_value()), "port number must be a number"); table.insert(property_rules, { class = "client", properties = { connect_port = port } }); elseif opt == "--host" or opt == "-h" then local host = get_value(); table.insert(property_rules, { class = "client", properties = { connect_host = host } }); end end assert(#arg > 0, "No test script provided"); assert(#arg < 2, "Too many parameters"); end function read_script() io.input(arg[1]); return io.read("*a"); end function parse_script(data) local parser = require "scansion.parser"; return assert(parser.parse(data)); end function initialize_script(script) local c = 0; for name, object in pairs(script.objects) do local o = require("scansion.objects."..object.type); object.handler = o; object.script = script; apply_object_properties(object.type, object.name, object); o._validate(object); c = c + 1; end --print("Script defines "..c.." objects, and "..#script.actions.." actions"); return script; end function initialize_verse(errcb) local verse = require "verse"; verse.set_log_handler(verse._default_log_handler, { "debug", "info", "warn", "error" }); local function error_handler(err) verse.log("error", "Error: %s", err); verse.log("error", "Traceback: %s", debug.traceback()); errcb(err); end verse.set_error_handler(error_handler); return verse; end function main() process_options(); local ok, err = true; local script = initialize_script(parse_script(read_script())); local verse = initialize_verse(function (_err) ok, err = false, _err end); local async = require "scansion.async"; local runner = async.runner(function (d) for _, action in pairs(script.actions) do local object = script.objects[action.object_name]; local handler = object.handler; assert(handler[action.action], "Objects of type '"..object.type.."' do not support action '"..action.action.."'"); print(""); if action.annotation then print(action.annotation); end print(object.name, action.action.."..."); local ok, err = pcall(handler[action.action], object, action.extra); if not ok then error(err); end end verse.log("info", "Completed script!"); verse.quit(); end, { error = function (runner, _err) verse.log("error", "Runner caught error: %s", _err); ok, err = false, _err; verse.quit(); end; }); runner:run(true); verse.log("debug", "runner paused") verse.loop(); return ok, err; end local ok, result, err = pcall(main); if not ok then print("TEST ERROR:", result); os.exit(2); elseif not result then print("TEST FAILED", err); os.exit(1); else print("TEST PASSED"); os.exit(0); end