Files
kubernetes/pkg/volume/azuredd/azure_dd_test.go
Chris Henzie 9d8f994d4e Separate test Kubelet and AttachDetach VolumeHost types
fakeVolumeHost previously implemented both the KubeletVolumeHost and
AttachDetachVolumeHost interfaces. This design makes it difficult to test the
CSIAttacher since it behaves differently depending on what type of
VolumeHost is supplied.
2020-12-17 15:17:04 -08:00

109 lines
3.1 KiB
Go

// +build !providerless
/*
Copyright 2015 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 azuredd
import (
"os"
"testing"
"github.com/stretchr/testify/assert"
"k8s.io/api/core/v1"
utiltesting "k8s.io/client-go/util/testing"
"k8s.io/kubernetes/pkg/volume"
volumetest "k8s.io/kubernetes/pkg/volume/testing"
)
func TestCanSupport(t *testing.T) {
tmpDir, err := utiltesting.MkTmpdir("azure_dd")
if err != nil {
t.Fatalf("can't make a temp dir: %v", err)
}
defer os.RemoveAll(tmpDir)
plugMgr := volume.VolumePluginMgr{}
plugMgr.InitPlugins(ProbeVolumePlugins(), nil /* prober */, volumetest.NewFakeKubeletVolumeHost(t, tmpDir, nil, nil))
plug, err := plugMgr.FindPluginByName(azureDataDiskPluginName)
if err != nil {
t.Errorf("Can't find the plugin by name")
}
if plug.GetPluginName() != azureDataDiskPluginName {
t.Errorf("Wrong name: %s", plug.GetPluginName())
}
if !plug.CanSupport(&volume.Spec{Volume: &v1.Volume{VolumeSource: v1.VolumeSource{AzureDisk: &v1.AzureDiskVolumeSource{}}}}) {
t.Errorf("Expected true")
}
if !plug.CanSupport(&volume.Spec{PersistentVolume: &v1.PersistentVolume{Spec: v1.PersistentVolumeSpec{PersistentVolumeSource: v1.PersistentVolumeSource{AzureDisk: &v1.AzureDiskVolumeSource{}}}}}) {
t.Errorf("Expected true")
}
}
// fakeAzureProvider type was removed because all functions were not used
// Testing mounting will require path calculation which depends on the cloud provider, which is faked in the above test.
func TestGetMaxDataDiskCount(t *testing.T) {
tests := []struct {
instanceType string
expectResult int64
}{
{
instanceType: "standard_d2_v2",
expectResult: 8,
},
{
instanceType: "Standard_DS14_V2",
expectResult: 64,
},
{
instanceType: "NOT_EXISTING",
expectResult: defaultAzureVolumeLimit,
},
{
instanceType: "",
expectResult: defaultAzureVolumeLimit,
},
}
for _, test := range tests {
result := getMaxDataDiskCount(test.instanceType)
assert.Equal(t, test.expectResult, result)
}
}
func TestUnsupportedVolumeHost(t *testing.T) {
tmpDir, err := utiltesting.MkTmpdir("azure_dd")
if err != nil {
t.Fatalf("can't make a temp dir: %v", err)
}
defer os.RemoveAll(tmpDir)
plugMgr := volume.VolumePluginMgr{}
plugMgr.InitPlugins(ProbeVolumePlugins(), nil /* prober */, volumetest.NewFakeKubeletVolumeHost(t, tmpDir, nil, nil))
plug, err := plugMgr.FindPluginByName(azureDataDiskPluginName)
if err != nil {
t.Errorf("Can't find the plugin by name")
}
_, err = plug.ConstructVolumeSpec("", "")
if err == nil {
t.Errorf("Expected failure constructing volume spec with unsupported VolumeHost")
}
}