kubernetes/pkg/volume/fc/fc_util_linux_test.go
Abhishek Kr Srivastav 8f8cca81af Added check for multipath device mapper
Addressed review comments
2025-01-22 10:27:01 +05:30

73 lines
1.7 KiB
Go

//go:build linux
// +build linux
/*
Copyright 2024 The Kubernetes Authors.
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.
*/
package fc
import (
"testing"
"k8s.io/kubernetes/pkg/volume/util"
)
func TestSearchDiskMultipathDevice(t *testing.T) {
tests := []struct {
name string
wwns []string
lun string
expectError bool
}{
{
name: "Non PCI disk 0",
wwns: []string{"500507681021a537"},
lun: "0",
},
{
name: "Non PCI disk 1",
wwns: []string{"500507681022a554"},
lun: "2",
},
}
for _, test := range tests {
t.Run(test.name, func(t *testing.T) {
fakeMounter := fcDiskMounter{
fcDisk: &fcDisk{
wwns: test.wwns,
lun: test.lun,
io: &fakeIOHandler{},
},
deviceUtil: util.NewDeviceHandler(&fakeIOHandler{}),
}
devicePath, err := searchDisk(fakeMounter)
if test.expectError && err == nil {
t.Errorf("expected error but got none")
}
if !test.expectError && err != nil {
t.Errorf("got unexpected error: %s", err)
}
// if no disk matches input wwn and lun, exit
if devicePath == "" && !test.expectError {
t.Errorf("no fc disk found")
}
if devicePath != "/dev/dm-1" {
t.Errorf("multipath device not found dm-1 expected got [%s]", devicePath)
}
})
}
}