require( 'posix' )
dofile( 'tests/testlib.lua' )

cwriteln( '****************************************************************' );
cwriteln( ' Testing excludes (rsyncssh)'                                     );
cwriteln( '****************************************************************' );
cwriteln( ' (this test needs passwordless ssh localhost access '             );
cwriteln( '  for current user)'                                              );

local tdir, srcdir, trgdir = mktemps( )
local logfile = tdir .. 'log'
local cfgfile = tdir .. 'config.lua'
local range = 5
local log = {}
log = {'-log', 'all'}

writefile(cfgfile, [[
settings {
	logfile = ']]..logfile..[[',
	nodaemon = true
}

sync {
	default.rsyncssh,
	delay = 3,
	host = 'localhost',
	ssh = {
       port= 2468,
	   identityFile = "]] .. script_path() .. [[/ssh/id_rsa",
	   options = {
		StrictHostKeyChecking="no",
		UserKnownHostsFile="/dev/null",
	   },
	},
	source = ']]..srcdir..[[',
	targetdir = ']]..trgdir..[[',
	exclude = {
		'erf',
		'/eaf',
		'erd/',
		'/ead/',
	},
}]]);

-- writes all files
local function writefiles
( )
	posix.mkdir( srcdir .. 'd' )
	writefile( srcdir .. 'erf', 'erf' )
	writefile( srcdir .. 'eaf', 'erf' )
	writefile( srcdir .. 'erd', 'erd' )
	writefile( srcdir .. 'ead', 'ead' )
	writefile( srcdir .. 'd/erf', 'erf' )
	writefile( srcdir .. 'd/eaf', 'erf' )
	writefile( srcdir .. 'd/erd', 'erd' )
	writefile( srcdir .. 'd/ead', 'ead' )
end

-- test if the filename exists, fails if this is different to expect
local function testfile
(
	filename,
	expect
)
	local stat, err = posix.stat( filename )

	if stat and not expect
	then
		cwriteln( 'failure: ',filename,' should be excluded' );
		os.exit( 1 );
	end

	if not stat and expect
	then
		cwriteln( 'failure: ',filename,' should not be excluded' );
		os.exit( 1 );
	end
end

-- test all files
local function testfiles
( )
	testfile( trgdir .. 'erf', false )
	testfile( trgdir .. 'eaf', false )
	testfile( trgdir .. 'erd', true )
	testfile( trgdir .. 'ead', true )
	testfile( trgdir .. 'd/erf', false )
	testfile( trgdir .. 'd/eaf', true )
	testfile( trgdir .. 'd/erd', true )
	testfile( trgdir .. 'd/ead', true )
end


cwriteln( 'testing startup excludes' )
writefiles( )
cwriteln( 'starting Lsyncd' )
local pid = spawn( './lsyncd', cfgfile, table.unpack( log ) )
cwriteln( 'waiting for Lsyncd to start' )
posix.sleep( 10 )
cwriteln( 'testing excludes after startup' )
testfiles( )
cwriteln( 'ok, removing sources' )

if srcdir:sub(1,4) ~= '/tmp'
then
	-- just to make sure before rm -rf
	cwriteln('exit before drama, srcdir is "', srcdir, '"')

	os.exit( 1 )
end

os.execute( 'rm -rf ' .. srcdir .. '/*' )
cwriteln( 'waiting for Lsyncd to remove destination' )
posix.sleep( 5 )

result, code = execute( 'diff -urN '..srcdir..' '..trgdir )

if result ~= 'exit' or code ~= 0
then
	cwriteln( 'fail, target directory not empty!' );
	os.exit( 1 );
end

cwriteln( 'writing files after startup' )
writefiles( )
cwriteln( 'waiting for Lsyncd to transmit changes' )
posix.sleep( 15 )
testfiles( )

cwriteln( 'killing started Lsyncd' )
posix.kill( pid )
local _, exitmsg, lexitcode = posix.wait( lpid )
cwriteln( 'Exitcode of Lsyncd = ', exitmsg, ' ', lexitcode )
posix.sleep( 1 )

if lexitcode == 143
then
	cwriteln( 'OK' );
	os.exit( 0 );
else
	os.exit( 1 );
end

-- TODO remove temp