File

tools/generate_format_spec.lua @ 13043:d4f7118d1531

mod_admin_shell: Make IP column thinner if IPv6 is disabled IPv6 addresses can be pretty long, so if they can be more compact, that's nice. But nobody would disable IPv6, would they?
author Kim Alvefur <zash@zash.se>
date Fri, 07 Apr 2023 13:09:00 +0200
parent 12039:e0a8c5b1ab4f
line wrap: on
line source

local format = require"util.format".format;
local dump = require"util.serialization".new("oneline")
local types = {
	"nil";
	"boolean";
	"number";
	"string";
	"function";
	-- "userdata";
	"thread";
	"table";
};
local example_values = {
	["nil"] = { n = 1; nil };
	["boolean"] = { true; false };
	["number"] = { 97; -12345; 1.5; 73786976294838206464; math.huge; 2147483647 };
	["string"] = { "hello"; "foo \1\2\3 bar"; "nödåtgärd"; string.sub("nödåtgärd", 1, -4) };
	["function"] = { function() end };
	-- ["userdata"] = {};
	["thread"] = { coroutine.create(function() end) };
	["table"] = { {}, setmetatable({},{__tostring=function ()return "foo \1\2\3 bar"end}) };
};
local example_strings = setmetatable({
	["nil"] = { "nil" };
	["function"] = { "function() end" };
	["number"] = { "97"; "-12345"; "1.5"; "73786976294838206464"; "math.huge"; "2147483647" };
	["thread"] = { "coroutine.create(function() end)" };
	["table"] = { "{ }", "setmetatable({},{__tostring=function ()return \"foo \\1\\2\\3 bar\"end})" }
}, { __index = function() return {} end });
for _, lua_type in ipairs(types) do
	print(string.format("\t\tdescribe(\"%s\", function ()", lua_type));
	local examples = example_values[lua_type];
	for fmt in ("cdiouxXaAeEfgGqs"):gmatch(".") do
		print(string.format("\t\t\tdescribe(\"to %%%s\", function ()", fmt));
		print("\t\t\t\tit(\"works\", function ()");
		for i = 1, examples.n or #examples do
			local example = examples[i];
			if not tostring(example):match("%w+: 0[xX]%x+") then
				print(string.format("\t\t\t\t\tassert.equal(%q, format(%q, %s))", format("%" .. fmt, example), "%" .. fmt,
					example_strings[lua_type][i] or dump(example)));
			else
				print(string.format("\t\t\t\t\tassert.matches(\"[%s: 0[xX]%%x+]\", format(%q, %s))", lua_type, "%" .. fmt,
					example_strings[lua_type][i] or dump(example)));
			end
		end
		print("\t\t\t\tend);");
		print("\t\t\tend);");
		print()
	end
	print("\t\tend);");
	print()
end