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package dbus_test
import (
"context"
"errors"
"fmt"
"io"
"os"
"strings"
"syscall"
"testing"
"time"
"hakurei.app/internal/dbus"
"hakurei.app/internal/helper"
"hakurei.app/message"
)
func TestFinalise(t *testing.T) {
if _, err := dbus.Finalise(dbus.ProxyPair{}, dbus.ProxyPair{}, nil, nil); !errors.Is(err, syscall.EBADE) {
t.Errorf("Finalise: error = %v, want %v",
err, syscall.EBADE)
}
for id, tc := range testCasePairs {
t.Run("create final for "+id, func(t *testing.T) {
var wt io.WriterTo
if v, err := dbus.Finalise(tc[0].bus, tc[1].bus, tc[0].c, tc[1].c); (errors.Is(err, syscall.EINVAL)) != tc[0].wantErr {
t.Errorf("Finalise: error = %v, wantErr %v",
err, tc[0].wantErr)
return
} else {
wt = v
}
// rest of the tests happen for sealed instances
if tc[0].wantErr {
return
}
// build null-terminated string from wanted args
want := new(strings.Builder)
args := append(tc[0].want, tc[1].want...)
for _, arg := range args {
want.WriteString(arg)
want.WriteByte(0)
}
got := new(strings.Builder)
if _, err := wt.WriteTo(got); err != nil {
t.Errorf("WriteTo: error = %v", err)
}
if want.String() != got.String() {
t.Errorf("Seal: %q, want %q",
got.String(), want.String())
}
})
}
}
func TestProxyStartWaitCloseString(t *testing.T) {
t.Run("sandbox", func(t *testing.T) { testProxyFinaliseStartWaitCloseString(t, true) })
t.Run("direct", func(t *testing.T) { testProxyFinaliseStartWaitCloseString(t, false) })
}
const (
stubProxyTimeout = 5 * time.Second
)
func testProxyFinaliseStartWaitCloseString(t *testing.T, useSandbox bool) {
{
oldWaitDelay := helper.WaitDelay
helper.WaitDelay = 16 * time.Second
t.Cleanup(func() { helper.WaitDelay = oldWaitDelay })
}
{
proxyName := dbus.ProxyName
dbus.ProxyName = os.Args[0]
t.Cleanup(func() { dbus.ProxyName = proxyName })
}
var p *dbus.Proxy
t.Run("string for nil proxy", func(t *testing.T) {
want := "(invalid dbus proxy)"
if got := p.String(); got != want {
t.Errorf("String: %q, want %q",
got, want)
}
})
t.Run("invalid start", func(t *testing.T) {
if !useSandbox {
p = dbus.NewDirect(t.Context(), message.New(nil), nil, nil)
} else {
p = dbus.New(t.Context(), message.New(nil), nil, nil)
}
if err := p.Start(); !errors.Is(err, syscall.ENOTRECOVERABLE) {
t.Errorf("Start: error = %q, wantErr %q", err, syscall.ENOTRECOVERABLE)
return
}
})
for id, tc := range testCasePairs {
// this test does not test errors
if tc[0].wantErr {
continue
}
t.Run("proxy for "+id, func(t *testing.T) {
var final *dbus.Final
t.Run("finalise", func(t *testing.T) {
if v, err := dbus.Finalise(tc[0].bus, tc[1].bus, tc[0].c, tc[1].c); err != nil {
t.Errorf("Finalise: error = %v, wantErr %v", err, tc[0].wantErr)
return
} else {
final = v
}
})
ctx, cancel := context.WithTimeout(t.Context(), stubProxyTimeout)
defer cancel()
output := new(strings.Builder)
if !useSandbox {
p = dbus.NewDirect(ctx, message.New(nil), final, output)
} else {
p = dbus.New(ctx, message.New(nil), final, output)
}
{ // check invalid wait behaviour
wantErr := "dbus: not started"
if err := p.Wait(); err == nil || err.Error() != wantErr {
t.Errorf("Wait: error = %v, wantErr %v", err, wantErr)
}
}
{ // check string behaviour
want := "(unused dbus proxy)"
if got := p.String(); got != want {
t.Errorf("String: %q, want %q", got, want)
return
}
}
if err := p.Start(); err != nil {
t.Fatalf("Start: error = %v", err)
}
{ // check running string behaviour
wantSubstr := fmt.Sprintf("%s --args=3 --fd=4", os.Args[0])
if useSandbox {
wantSubstr = `argv: ["xdg-dbus-proxy" "--args=3" "--fd=4"], filter: true, rules: 0, flags: 0x1, presets: 0xf`
}
if got := p.String(); !strings.Contains(got, wantSubstr) {
t.Errorf("String: %q, want %q",
got, wantSubstr)
return
}
}
p.Close()
if err := p.Wait(); err != nil {
t.Errorf("Wait: error = %v\noutput: %s", err, output.String())
}
})
}
}
|
