python/tests: Add SD protection device test.

core/src/boot.py

@@ -1,4 +1,4 @@
-from trezor import config, log, loop, res, ui
+from trezor import config, io, log, loop, res, ui, utils
 from trezor.pin import pin_to_int, show_pin_timeout
 
 from apps.common import storage
@@ -72,6 +72,19 @@ async def lockscreen() -> None:
     await ui.click()
 
 
+if utils.EMULATOR:
+    # Ensure the emulated SD card is FAT32 formatted.
+    sd = io.SDCard()
+    fs = io.FatFS()
+    sd.power(True)
+    try:
+        fs.mount()
+    except OSError:
+        fs.mkfs()
+    else:
+        fs.unmount()
+    sd.power(False)
+
 ui.display.backlight(ui.BACKLIGHT_NONE)
 ui.backlight_fade(ui.BACKLIGHT_NORMAL)
 config.init(show_pin_timeout)

tests/device_tests/test_msg_sd_protect.py

@@ -0,0 +1,62 @@
+# This file is part of the Trezor project.
+#
+# Copyright (C) 2012-2019 SatoshiLabs and contributors
+#
+# This library is free software: you can redistribute it and/or modify
+# it under the terms of the GNU Lesser General Public License version 3
+# as published by the Free Software Foundation.
+#
+# This library is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU Lesser General Public License for more details.
+#
+# You should have received a copy of the License along with this library.
+# If not, see <https://www.gnu.org/licenses/lgpl-3.0.html>.
+
+import pytest
+
+from trezorlib import debuglink, device, messages as proto
+from trezorlib.exceptions import TrezorFailure
+
+from ..common import MNEMONIC12
+
+
+@pytest.mark.skip_t1
+class TestMsgSdProtect:
+    @pytest.mark.setup_client(mnemonic=MNEMONIC12)
+    def test_sd_protect(self, client):
+
+        # Disabling SD protection should fail
+        with pytest.raises(TrezorFailure):
+            device.sd_protect(client, proto.SdProtectOperationType.DISABLE)
+
+        # Enable SD protection
+        device.sd_protect(client, proto.SdProtectOperationType.ENABLE)
+
+        # Enabling SD protection should fail
+        with pytest.raises(TrezorFailure):
+            device.sd_protect(client, proto.SdProtectOperationType.ENABLE)
+
+        # Wipe
+        device.wipe(client)
+        debuglink.load_device_by_mnemonic(
+            client,
+            mnemonic=MNEMONIC12,
+            pin="",
+            passphrase_protection=False,
+            label="test",
+        )
+
+        # Enable SD protection
+        device.sd_protect(client, proto.SdProtectOperationType.ENABLE)
+
+        # Refresh SD protection
+        device.sd_protect(client, proto.SdProtectOperationType.REFRESH)
+
+        # Disable SD protection
+        device.sd_protect(client, proto.SdProtectOperationType.DISABLE)
+
+        # Refreshing SD protection should fail
+        with pytest.raises(TrezorFailure):
+            device.sd_protect(client, proto.SdProtectOperationType.REFRESH)