Fix

Signed-off-by: Pavol Loffay <[email protected]>

Author: pavolloffay

config/configtls/tpm_test.go

@@ -135,6 +135,29 @@ VGhpcyBpcyBub3QgYSBjZXJ0aWZpY2F0ZS4=
 	}
 }
 
+func TestTPM_open(t *testing.T) {
+	tests := []struct {
+		path string
+		err  string
+	}{
+		{
+			path: "",
+			err:  "TPM path is not set",
+		},
+		{
+			path: "/foo",
+			err:  "failed to open TPM (/foo): stat /foo: no such file or directory",
+		},
+	}
+	for _, test := range tests {
+		t.Run(test.path, func(t *testing.T) {
+			tpm, err := openTPM(test.path)()
+			require.Nil(t, tpm)
+			assert.Equal(t, test.err, err.Error())
+		})
+	}
+}
+
 func createTPMKeyCert(t *testing.T, tpm transport.TPMCloser) ([]byte, []byte) {
 	tpmKey, err := keyfile.NewLoadableKey(tpm, tpm2.TPMAlgECC, 256, []byte(""))
 	require.NoError(t, err)