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ceph-csi/internal/csi-common/utils_test.go

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/*
Copyright 2019 ceph-csi 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 csicommon
import (
"context"
"os"
"path/filepath"
"strings"
"testing"
"github.com/container-storage-interface/spec/lib/go/csi"
"github.com/stretchr/testify/assert"
"github.com/stretchr/testify/require"
)
var fakeID = "fake-id"
func TestGetReqID(t *testing.T) {
t.Parallel()
req := []interface{}{
&csi.CreateVolumeRequest{
Name: fakeID,
},
&csi.DeleteVolumeRequest{
VolumeId: fakeID,
},
&csi.CreateSnapshotRequest{
Name: fakeID,
},
&csi.DeleteSnapshotRequest{
SnapshotId: fakeID,
},
&csi.ControllerExpandVolumeRequest{
VolumeId: fakeID,
},
&csi.NodeStageVolumeRequest{
VolumeId: fakeID,
},
&csi.NodeUnstageVolumeRequest{
VolumeId: fakeID,
},
&csi.NodePublishVolumeRequest{
VolumeId: fakeID,
},
&csi.NodeUnpublishVolumeRequest{
VolumeId: fakeID,
},
&csi.NodeExpandVolumeRequest{
VolumeId: fakeID,
},
}
for _, r := range req {
if got := getReqID(r); got != fakeID {
t.Errorf("getReqID() = %v, want %v", got, fakeID)
}
}
// test for nil request
if got := getReqID(nil); got != "" {
t.Errorf("getReqID() = %v, want empty string", got)
}
}
func TestFilesystemNodeGetVolumeStats(t *testing.T) {
t.Parallel()
// ideally this is tested on different filesystems, including CephFS,
// but we'll settle for the filesystem where the project is checked out
cwd, err := os.Getwd()
require.NoError(t, err)
// retry until a mountpoint is found
for {
stats, err := FilesystemNodeGetVolumeStats(context.TODO(), cwd)
if err != nil && cwd != "/" && strings.HasSuffix(err.Error(), "is not mounted") {
// try again with the parent directory
cwd = filepath.Dir(cwd)
continue
}
require.NoError(t, err)
assert.NotEqual(t, len(stats.Usage), 0)
for _, usage := range stats.Usage {
assert.NotEqual(t, usage.Available, -1)
assert.NotEqual(t, usage.Total, -1)
assert.NotEqual(t, usage.Used, -1)
assert.NotEqual(t, usage.Unit, 0)
}
// tests done, no need to retry again
break
}
}
func TestRequirePositive(t *testing.T) {
t.Parallel()
assert.Equal(t, requirePositive(0), int64(0))
assert.Equal(t, requirePositive(-1), int64(0))
assert.Equal(t, requirePositive(1), int64(1))
}