-- Prosody IM v0.1

-- Copyright (C) 2008 Matthew Wild

-- Copyright (C) 2008 Waqas Hussain

-- 

-- This program is free software; you can redistribute it and/or

-- modify it under the terms of the GNU General Public License

-- as published by the Free Software Foundation; either version 2

-- of the License, or (at your option) any later version.

-- 

-- This program is distributed in the hope that it will be useful,

-- but WITHOUT ANY WARRANTY; without even the implied warranty of

-- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

-- GNU General Public License for more details.

-- 

-- You should have received a copy of the GNU General Public License

-- along with this program; if not, write to the Free Software

-- Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301, USA.

--

function run_all_tests()

	dotest "util.jid"

	dotest "core.stanza_router"

	dotest "core.s2smanager"

	dotest "core.configmanager"

	dosingletest("test_sasl.lua", "latin1toutf8");

end

local verbosity = tonumber(arg[1]) or 2;

package.path = package.path..";../?.lua";

package.cpath = package.cpath..";../?.so";

require "util.import"

local env_mt = { __index = function (t,k) return rawget(_G, k) or print("WARNING: Attempt to access nil global '"..tostring(k).."'"); end };

function testlib_new_env(t)

	return setmetatable(t or {}, env_mt);

end

function assert_equal(a, b, message)

	if not (a == b) then

		error("\n   assert_equal failed: "..tostring(a).." ~= "..tostring(b)..(message and ("\n   Message: "..message) or ""), 2);

	elseif verbosity >= 4 then

		print("assert_equal succeeded: "..tostring(a).." == "..tostring(b));

	end

end

function dosingletest(testname, fname)

	local tests = setmetatable({}, { __index = _G });

	tests.__unit = testname;

	tests.__test = fname;

	local chunk, err = loadfile(testname);

	if not chunk then

		print("WARNING: ", "Failed to load tests for "..testname, err);

		return;

	end

	setfenv(chunk, tests);

	local success, err = pcall(chunk);

	if not success then

		print("WARNING: ", "Failed to initialise tests for "..testname, err);

		return;

	end

	if type(tests[fname]) ~= "function" then

		error(testname.." has no test '"..fname.."'", 0);

	end

	local line_hook, line_info = new_line_coverage_monitor(testname);

	debug.sethook(line_hook, "l")

	local success, ret = pcall(tests[fname]);

	debug.sethook();

	if not success then

		print("TEST FAILED! Unit: ["..testname.."] Function: ["..fname.."]");

		print("   Location: "..ret:gsub(":%s*\n", "\n"));

		line_info(fname, false, report_file);

	elseif verbosity >= 2 then

		print("TEST SUCCEEDED: ", testname, fname);

		print(string.format("TEST COVERED %d/%d lines", line_info(fname, true, report_file)));

	else

		line_info(name, success, report_file);

	end

end

function dotest(unitname)

	local tests = setmetatable({}, { __index = _G });

	tests.__unit = unitname;

	local chunk, err = loadfile("test_"..unitname:gsub("%.", "_")..".lua");

	if not chunk then

		print("WARNING: ", "Failed to load tests for "..unitname, err);

		return;

	end

	setfenv(chunk, tests);

	local success, err = pcall(chunk);

	if not success then

		print("WARNING: ", "Failed to initialise tests for "..unitname, err);

		return;

	end

	local unit = setmetatable({}, { __index = setmetatable({ module = function () end }, { __index = _G }) });

	local fn = "../"..unitname:gsub("%.", "/")..".lua";

	local chunk, err = loadfile(fn);

	if not chunk then

		print("WARNING: ", "Failed to load module: "..unitname, err);

		return;

	end

	setfenv(chunk, unit);

	local success, err = pcall(chunk);

	if not success then

		print("WARNING: ", "Failed to initialise module: "..unitname, err);

		return;

	end

	for name, f in pairs(unit) do

		local test = rawget(tests, name);

		if type(f) ~= "function" then

			if verbosity >= 3 then

				print("INFO: ", "Skipping "..unitname.."."..name.." because it is not a function");

			end

		elseif type(test) ~= "function" then

			if verbosity >= 1 then

				print("WARNING: ", unitname.."."..name.." has no test!");

			end

		else

			local line_hook, line_info = new_line_coverage_monitor(fn);

			debug.sethook(line_hook, "l")

			local success, ret = pcall(test, f, unit);

			debug.sethook();

			if not success then

				print("TEST FAILED! Unit: ["..unitname.."] Function: ["..name.."]");

				print("   Location: "..ret:gsub(":%s*\n", "\n"));

				line_info(name, false, report_file);

			elseif verbosity >= 2 then

				print("TEST SUCCEEDED: ", unitname, name);

				print(string.format("TEST COVERED %d/%d lines", line_info(name, true, report_file)));

			else

				line_info(name, success, report_file);

			end

		end

	end

end

function runtest(f, msg)

	if not f then print("SUBTEST NOT FOUND: "..(msg or "(no description)")); return; end

	local success, ret = pcall(f);

	if success and verbosity >= 2 then

		print("SUBTEST PASSED: "..(msg or "(no description)"));

	elseif (not success) and verbosity >= 1 then

		print("SUBTEST FAILED: "..(msg or "(no description)"));

		error(ret, 0);

	end

end

function new_line_coverage_monitor(file)

	local lines_hit, funcs_hit = {}, {};

	local total_lines, covered_lines = 0, 0;

	for line in io.lines(file) do

		total_lines = total_lines + 1;

	end

	return function (event, line) -- Line hook

			if not lines_hit[line] then

				local info = debug.getinfo(2, "fSL")

				if not info.source:find(file) then return; end

				if not funcs_hit[info.func] and info.activelines then

					funcs_hit[info.func] = true;

					for line in pairs(info.activelines) do

						lines_hit[line] = false; -- Marks it as hittable, but not hit yet

					end

				end

				if lines_hit[line] == false then

					--print("New line hit: "..line.." in "..debug.getinfo(2, "S").source);

					lines_hit[line] = true;

					covered_lines = covered_lines + 1;

				end

			end

		end,

		function (test_name, success) -- Get info

			local fn = file:gsub("^%W*", "");

			local total_active_lines = 0;

			local coverage_file = io.open("reports/coverage_"..fn:gsub("%W+", "_")..".report", "a+");

			for line, active in pairs(lines_hit) do

				if active ~= nil then total_active_lines = total_active_lines + 1; end

				if coverage_file then

					if active == false then coverage_file:write(fn, "|", line, "|", name or "", "|miss\n"); 

					else coverage_file:write(fn, "|", line, "|", name or "", "|", tostring(success), "\n"); end

				end

			end

			if coverage_file then coverage_file:close(); end

			return covered_lines, total_active_lines, lines_hit;

		end

end

run_all_tests()