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|
{-# LANGUAGE OverloadedStrings #-}
-- Copyright (C) 2012 John Millikin <john@john-millikin.com>
--
-- Licensed under the Apache License, Version 2.0 (the "License");
-- you may not use this file except in compliance with the License.
-- You may obtain a copy of the License at
--
-- http://www.apache.org/licenses/LICENSE-2.0
--
-- Unless required by applicable law or agreed to in writing, software
-- distributed under the License is distributed on an "AS IS" BASIS,
-- WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
-- See the License for the specific language governing permissions and
-- limitations under the License.
module DBusTests.Integration (test_Integration) where
import Control.Exception (finally)
import System.Directory (removeFile)
import System.Exit
import System.IO (hGetLine)
import System.Process
import Test.Tasty
import Test.Tasty.HUnit
import DBus
import DBus.Socket
import DBus.Client
import DBusTests.Util
test_Integration :: TestTree
test_Integration = testGroup "Integration"
[ test_Socket
, test_Client
]
test_Socket :: TestTree
test_Socket = withDaemon "socket" $ \addr -> do
let hello = (methodCall "/org/freedesktop/DBus" "org.freedesktop.DBus" "Hello")
{ methodCallDestination = Just "org.freedesktop.DBus"
}
sock <- open addr
serial <- send sock hello return
assertBool "invalid serial" $ serialValue serial >= 1
received <- receive sock
let ReceivedMethodReturn _ ret = received
methodReturnSerial ret @?= serial
methodReturnSender ret @?= Just "org.freedesktop.DBus"
close sock
test_Client :: TestTree
test_Client = withDaemon "client" $ \addr -> do
clientA <- connect addr
clientB <- connect addr
export clientA "/"
defaultInterface
{ interfaceName = "com.example.Echo"
, interfaceMethods =
[ Method "Echo" (signature_ [TypeString]) (signature_ []) (
\msg -> if map variantType (methodCallBody msg) == [TypeString]
then return (ReplyReturn (methodCallBody msg))
else
return $ ReplyError
"com.example.Error"
[toVariant ("bad body: " ++ show (methodCallBody msg))])
]
}
-- TODO: get bus address of clientA with a function
let busAddrA = ":1.0"
-- Successful call
let bodyGood = [toVariant ("test" :: String)]
retGood <- call clientB (methodCall "/" "com.example.Echo" "Echo")
{ methodCallDestination = Just busAddrA
, methodCallBody = bodyGood
}
ret <- requireRight retGood
methodReturnBody ret @?= bodyGood
-- Failed call
let bodyBad = [toVariant True]
retBad <- call clientB (methodCall "/" "com.example.Echo" "Echo")
{ methodCallDestination = Just busAddrA
, methodCallBody = bodyBad
}
err <- requireLeft retBad
methodErrorName err @?= "com.example.Error"
methodErrorBody err @?= [toVariant ("bad body: [Variant True]" :: String)]
disconnect clientA
disconnect clientB
configFileContent :: String
configFileContent = "\
\<!DOCTYPE busconfig PUBLIC \"-//freedesktop//DTD D-Bus Bus Configuration 1.0//EN\"\
\ \"http://www.freedesktop.org/standards/dbus/1.0/busconfig.dtd\">\
\<busconfig>\
\ <type>session</type>\
\ <keep_umask/>\
\ <listen>unix:tmpdir=/tmp</listen>\
\ <policy context=\"default\">\
\ <!-- Allow everything to be sent -->\
\ <allow send_destination=\"*\" eavesdrop=\"true\"/>\
\ <!-- Allow everything to be received -->\
\ <allow eavesdrop=\"true\"/>\
\ <!-- Allow anyone to own anything -->\
\ <allow own=\"*\"/>\
\ </policy>\
\</busconfig>"
withDaemon :: String -> (Address -> Assertion) -> TestTree
withDaemon name io = testCase name $ do
(versionExit, _, _) <- readProcessWithExitCode "dbus-daemon" ["--version"] ""
case versionExit of
ExitFailure _ -> assertFailure $ "dbus-daemon failed: " ++ show versionExit
ExitSuccess -> do
configFilePath <- getTempPath
writeFile configFilePath configFileContent
daemon <- createProcess (proc "dbus-daemon" ["--config-file=" ++ configFilePath, "--print-address"])
{ std_out = CreatePipe
, close_fds = True
}
let (_, Just daemonStdout, _, daemonProc) = daemon
finally
(do
addrString <- hGetLine daemonStdout
case parseAddress addrString of
Nothing -> assertFailure $ "dbus-daemon returned invalid address: " ++ show addrString
Just addr -> io addr)
(do
terminateProcess daemonProc
_ <- waitForProcess daemonProc
removeFile configFilePath
return ())
|
