Move TPM Seal/Unseal test to tpmmgr_test

pkg/pillar/cmd/tpmmgr/tpmmgr_test.go

@@ -11,6 +11,7 @@ import (
 	"fmt"
 	"io/ioutil"
 	"os"
+	"reflect"
 	"testing"
 	"time"
 
@@ -201,3 +202,24 @@ func TestVerifyEdgeNodeCerts(t *testing.T) {
 		return
 	}
 }
+
+func TestSealUnseal(t *testing.T) {
+	_, err := os.Stat(etpm.TpmDevicePath)
+	if err != nil {
+		t.Skip("TPM is not available, skipping the test.")
+	}
+
+	dataToSeal := []byte("secret")
+	if err := etpm.SealDiskKey(dataToSeal, etpm.DiskKeySealingPCRs); err != nil {
+		t.Errorf("Seal operation failed with err: %v", err)
+		return
+	}
+	unsealedData, err := etpm.UnsealDiskKey(etpm.DiskKeySealingPCRs)
+	if err != nil {
+		t.Errorf("Unseal operation failed with err: %v", err)
+		return
+	}
+	if !reflect.DeepEqual(dataToSeal, unsealedData) {
+		t.Errorf("Seal/Unseal operation failed, want %v, but got %v", dataToSeal, unsealedData)
+	}
+}

pkg/pillar/evetpm/tpm.go

@@ -15,7 +15,6 @@ import (
 	"io/ioutil"
 	"math/big"
 	"os"
-	"reflect"
 	"unsafe"
 
 	"github.com/google/go-tpm/tpm2"
@@ -704,22 +703,6 @@ func PolicyPCRSession(rw io.ReadWriteCloser, pcrSel tpm2.PCRSelection) (tpmutil.
 	return session, policy, nil
 }
 
-// TestSealUnseal tests TPM2.0 Seal and Unseal commands
-func TestSealUnseal() error {
-	dataToSeal := []byte("secret")
-	if err := SealDiskKey(dataToSeal, DiskKeySealingPCRs); err != nil {
-		return err
-	}
-	unsealedData, err := UnsealDiskKey(DiskKeySealingPCRs)
-	if err != nil {
-		return err
-	}
-	if !reflect.DeepEqual(dataToSeal, unsealedData) {
-		return fmt.Errorf("want %v, but got %v", dataToSeal, unsealedData)
-	}
-	return nil
-}
-
 // CompareLegacyandSealedKey compares legacy and sealed keys
 // to record if we are using a new key for sealed vault
 func CompareLegacyandSealedKey() SealedKeyType {