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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,129 @@ | ||
| package driver | ||
|
|
||
| import ( | ||
| "context" | ||
| "errors" | ||
| "testing" | ||
|
|
||
| "github.com/container-storage-interface/spec/lib/go/csi" | ||
| "github.com/golang/mock/gomock" | ||
| "github.com/stretchr/testify/assert" | ||
| "github.com/stretchr/testify/require" | ||
| "golang.org/x/sys/unix" | ||
| "google.golang.org/grpc/codes" | ||
| "google.golang.org/grpc/status" | ||
| ) | ||
|
|
||
| func TestNodeGetVolumeStats(t *testing.T) { | ||
| ctrl := gomock.NewController(t) | ||
| defer ctrl.Finish() | ||
|
|
||
| mockStatfs := func(path string, stat *unix.Statfs_t) error { | ||
| switch path { | ||
| case "/valid/path": | ||
| stat.Blocks = 1000 | ||
| stat.Bfree = 200 | ||
| stat.Bavail = 150 | ||
| stat.Files = 500 | ||
| stat.Ffree = 100 | ||
| stat.Bsize = 4096 | ||
| return nil | ||
| case "/not/mounted": | ||
| return unix.EIO | ||
| case "/not/exist": | ||
| return unix.ENOENT | ||
| default: | ||
| return errors.New("internal error") | ||
| } | ||
| } | ||
|
|
||
| unixStatfs = mockStatfs | ||
|
|
||
| testCases := []struct { | ||
| name string | ||
| volumeID string | ||
| volumePath string | ||
| expectedErr error | ||
| expectedRes *csi.NodeGetVolumeStatsResponse | ||
| }{ | ||
| { | ||
| name: "Valid request with healthy volume", | ||
| volumeID: "valid-volume", | ||
| volumePath: "/valid/path", | ||
| expectedErr: nil, | ||
| expectedRes: &csi.NodeGetVolumeStatsResponse{ | ||
| Usage: []*csi.VolumeUsage{ | ||
| { | ||
| Available: 150 * 4096, | ||
| Total: 1000 * 4096, | ||
| Used: (1000 - 200) * 4096, | ||
| Unit: csi.VolumeUsage_BYTES, | ||
| }, | ||
| { | ||
| Available: 100, | ||
| Total: 500, | ||
| Used: 500 - 100, | ||
| Unit: csi.VolumeUsage_INODES, | ||
| }, | ||
| }, | ||
| VolumeCondition: &csi.VolumeCondition{ | ||
| Abnormal: false, | ||
| Message: "healthy", | ||
| }, | ||
| }, | ||
| }, | ||
| { | ||
| name: "Request with empty volume ID or path", | ||
| volumeID: "", | ||
| volumePath: "", | ||
| expectedErr: status.Error(codes.InvalidArgument, "volume ID or path empty"), | ||
| expectedRes: nil, | ||
| }, | ||
| { | ||
| name: "Filesystem not mounted", | ||
| volumeID: "not-mounted-volume", | ||
| volumePath: "/not/mounted", | ||
| expectedErr: nil, | ||
| expectedRes: &csi.NodeGetVolumeStatsResponse{ | ||
| VolumeCondition: &csi.VolumeCondition{ | ||
| Abnormal: true, | ||
| Message: "failed to get stats: input/output error", | ||
| }, | ||
| }, | ||
| }, | ||
| { | ||
| name: "Volume path does not exist", | ||
| volumeID: "non-existent-volume", | ||
| volumePath: "/not/exist", | ||
| expectedErr: status.Errorf(codes.NotFound, "volume path not found: no such file or directory"), | ||
| expectedRes: nil, | ||
| }, | ||
| { | ||
| name: "Internal error during Statfs call", | ||
| volumeID: "internal-error-volume", | ||
| volumePath: "/internal/error", | ||
| expectedErr: status.Errorf(codes.Internal, "failed to get stats: internal error"), | ||
| expectedRes: nil, | ||
| }, | ||
| } | ||
|
|
||
| for _, tc := range testCases { | ||
| t.Run(tc.name, func(t *testing.T) { | ||
| ctx := context.Background() | ||
| req := &csi.NodeGetVolumeStatsRequest{ | ||
| VolumeId: tc.volumeID, | ||
| VolumePath: tc.volumePath, | ||
| } | ||
|
|
||
| resp, err := nodeGetVolumeStats(ctx, req) | ||
|
|
||
| if tc.expectedErr != nil { | ||
| require.EqualError(t, err, tc.expectedErr.Error()) | ||
| } else { | ||
| require.NoError(t, err) | ||
| } | ||
|
|
||
| assert.Equal(t, tc.expectedRes, resp) | ||
| }) | ||
| } | ||
| } |