blob: 626fef72585a52c91581194ab1afd25d5dc2b423 [file] [log] [blame]
// Copyright 2019 The Chromium OS Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
package wifi
import (
"context"
"time"
"chromiumos/tast/local/network/ip"
"chromiumos/tast/local/network/iw"
"chromiumos/tast/local/shill"
"chromiumos/tast/testing"
)
func init() {
testing.AddTest(&testing.Test{
Func: IWScan,
Desc: "Verifies `iw` Timed Scan executes and is parsed properly",
Contacts: []string{
"deanliao@google.com", // Test author
"chromeos-wifi-champs@google.com", // WiFi oncall rotation; or http://b/new?component=893827
},
Attr: []string{"group:mainline", "informational"},
SoftwareDeps: []string{"wifi", "shill-wifi", "no_elm_hana_3_18"},
})
}
func IWScan(ctx context.Context, s *testing.State) {
manager, err := shill.NewManager(ctx)
if err != nil {
s.Fatal("Failed creating shill manager proxy: ", err)
}
iface, err := shill.WifiInterface(ctx, manager, 5*time.Second)
if err != nil {
s.Fatal("Could not get a WiFi interface: ", err)
}
s.Log("WiFi interface: ", iface)
// In order to guarantee reliable execution of IWScan, we need to make sure
// shill doesn't interfere with the scan. We will disable shill's control
// on the wireless device while still maintaining Ethernet connectivity.
if err := manager.DisableTechnology(ctx, shill.TechnologyWifi); err != nil {
s.Fatal("Could not disable WiFi from shill: ", err)
}
defer func() {
// Allow shill to take control of wireless device.
if err := manager.EnableTechnology(ctx, shill.TechnologyWifi); err != nil {
s.Error("Could not enable WiFi from shill: ", err)
}
}()
// Bring up wireless device after it's released from shill.
ipr := ip.NewLocalRunner()
if err := ipr.SetLinkUp(ctx, iface); err != nil {
s.Fatalf("Could not bring up %s after shill released WiFi management", iface)
}
// Conduct scan
iwr := iw.NewLocalRunner()
if _, err = iwr.TimedScan(ctx, iface, nil, nil); err != nil {
s.Fatal("TimedScan failed: ", err)
}
}