Add export_firmware method to Storage

The export_firmware method writes the firmware of the Nitrokey Storage
to the unencrypted storage.  We only test that the command succeeds as
mounting the unencrypted storage and accessing the file is out of scope
for the tests.

1 files changed, 18 insertions, 0 deletions

diff --git a/tests/device.rs b/tests/device.rs
index 9985e7a..e40ae12 100644
--- a/tests/device.rs
+++ b/tests/device.rs
@@ -437,3 +437,21 @@ fn get_storage_status(device: Storage) {
     assert!(status.serial_number_sd_card > 0);
     assert!(status.serial_number_smart_card > 0);
 }
+
+#[test_device]
+fn export_firmware(device: Storage) {
+    assert_eq!(
+        Err(CommandError::WrongPassword),
+        device.export_firmware("someadminpn")
+    );
+    assert_eq!(Ok(()), device.export_firmware(ADMIN_PASSWORD));
+    assert_eq!(
+        Ok(()),
+        device.set_unencrypted_volume_mode(ADMIN_PASSWORD, VolumeMode::ReadWrite)
+    );
+    assert_eq!(Ok(()), device.export_firmware(ADMIN_PASSWORD));
+    assert_eq!(
+        Ok(()),
+        device.set_unencrypted_volume_mode(ADMIN_PASSWORD, VolumeMode::ReadOnly)
+    );
+}