Added legacy storage tests for internal/sessiontest

internal/sessiontest/legacy_test.go

+package sessiontest
+
+import (
+	irma "github.com/privacybydesign/irmago"
+	"github.com/privacybydesign/irmago/internal/test"
+	"github.com/stretchr/testify/require"
+	"testing"
+)
+
+func TestSessionUsingLegacyStorage(t *testing.T) {
+	test.SetTestStorageDir("legacy_teststorage")
+	client, _ := parseStorage(t)
+
+	// Issue new credential
+	sessionHelper(t, getMultipleIssuanceRequest(), "issue", client)
+
+	// Close client to prevent database to be opened twice
+	err := client.Close()
+	require.NoError(t, err)
+
+	// Test whether credential is still there
+	require.NoError(t, err)
+	id := irma.NewAttributeTypeIdentifier("irma-demo.MijnOverheid.root.BSN")
+	sessionHelper(t, getDisclosureRequest(id), "verification", client)
+
+	test.SetTestStorageDir("teststorage")
+}

irmaclient/client.go

@@ -186,6 +186,10 @@ func New(
 	return cm, schemeMgrErr
 }
 
+func (client *Client) Close() error {
+	return client.storage.Close()
+}
+
 // CredentialInfoList returns a list of information of all contained credentials.
 func (client *Client) CredentialInfoList() irma.CredentialInfoList {
 	list := irma.CredentialInfoList([]*irma.CredentialInfo{})

irmaclient/storage.go

@@ -56,6 +56,10 @@ func (s *storage) EnsureStorageExists() error {
 	return err
 }
 
+func (s *storage) Close() error {
+	return s.db.Close()
+}
+
 func (s *storage) txStore(tx *bbolt.Tx, key string, value interface{}, bucketName string) error {
 	b, err := tx.CreateBucketIfNotExists([]byte(bucketName))
 	if err != nil {