-- Prosody IM

-- Copyright (C) 2008-2010 Matthew Wild

-- Copyright (C) 2008-2010 Waqas Hussain

-- 

-- This project is MIT/X11 licensed. Please see the

-- COPYING file in the source package for more information.

--

function join(join)

	assert_equal(join("a", "b", "c"), "a@b/c", "builds full JID");

	assert_equal(join("a", "b", nil), "a@b", "builds bare JID");

	assert_equal(join(nil, "b", "c"), "b/c", "builds full host JID");

	assert_equal(join(nil, "b", nil), "b", "builds bare host JID");

	assert_equal(join(nil, nil, nil), nil, "invalid JID is nil");

	assert_equal(join("a", nil, nil), nil, "invalid JID is nil");

	assert_equal(join(nil, nil, "c"), nil, "invalid JID is nil");

	assert_equal(join("a", nil, "c"), nil, "invalid JID is nil");

end

function split(split)

	function test(input_jid, expected_node, expected_server, expected_resource)

		local rnode, rserver, rresource = split(input_jid);

		assert_equal(expected_node, rnode, "split("..tostring(input_jid)..") failed");

		assert_equal(expected_server, rserver, "split("..tostring(input_jid)..") failed");

		assert_equal(expected_resource, rresource, "split("..tostring(input_jid)..") failed");

	end

	-- Valid JIDs

	test("node@server", 		"node", "server", nil		);

	test("node@server/resource", 	"node", "server", "resource"        );

	test("server", 			nil, 	"server", nil               );

	test("server/resource", 	nil, 	"server", "resource"        );

	test("server/resource@foo", 	nil, 	"server", "resource@foo"    );

	test("server/resource@foo/bar",	nil, 	"server", "resource@foo/bar");

	-- Always invalid JIDs

	test(nil,                nil, nil, nil);

	test("node@/server",     nil, nil, nil);

	test("@server",          nil, nil, nil);

	test("@server/resource", nil, nil, nil);

	test("@/resource", nil, nil, nil);

end

function bare(bare)

	assert_equal(bare("user@host"), "user@host", "bare JID remains bare");

	assert_equal(bare("host"), "host", "Host JID remains host");

	assert_equal(bare("host/resource"), "host", "Host JID with resource becomes host");

	assert_equal(bare("user@host/resource"), "user@host", "user@host JID with resource becomes user@host");

	assert_equal(bare("user@/resource"), nil, "invalid JID is nil");

	assert_equal(bare("@/resource"), nil, "invalid JID is nil");

	assert_equal(bare("@/"), nil, "invalid JID is nil");

	assert_equal(bare("/"), nil, "invalid JID is nil");

	assert_equal(bare(""), nil, "invalid JID is nil");

	assert_equal(bare("@"), nil, "invalid JID is nil");

	assert_equal(bare("user@"), nil, "invalid JID is nil");

	assert_equal(bare("user@@"), nil, "invalid JID is nil");

	assert_equal(bare("user@@host"), nil, "invalid JID is nil");

	assert_equal(bare("user@@host/resource"), nil, "invalid JID is nil");

	assert_equal(bare("user@host/"), nil, "invalid JID is nil");

end

function compare(compare)

	assert_equal(compare("host", "host"), true, "host should match");

	assert_equal(compare("host", "other-host"), false, "host should not match");

	assert_equal(compare("other-user@host/resource", "host"), true, "host should match");

	assert_equal(compare("other-user@host", "user@host"), false, "user should not match");

	assert_equal(compare("user@host", "host"), true, "host should match");

	assert_equal(compare("user@host/resource", "host"), true, "host should match");

	assert_equal(compare("user@host/resource", "user@host"), true, "user and host should match");

	assert_equal(compare("user@other-host", "host"), false, "host should not match");

	assert_equal(compare("user@other-host", "user@host"), false, "host should not match");

end