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nitrokey-3-tests

Quickstart

Make sure that the vhci-hcd kernel module is loaded:

# lsmod | grep vhci_hcd || modprobe vhci-hcd

Use the test-release.sh script to download and test the usbip binaries from a GitHub release of the nitrokey-3-firmware repository:

$ ./test-release.sh v1.3.0-rc.1

If you pass a second version, it will also run upgrade tests from that version:

$ ./test-release.sh v1.3.0-rc.1 v1.2.2-alpha.20230224

Use the test-local.sh script to compile the usbip runner from a local Git checkout of the nitrokey-3-firmware repository instead:

$ ./test-local.sh ../nitrokey-3-firmware

If you have a clean Git checkout, you can also enable upgrade tests from an old commit:

$ ./test-local.sh ../nitrokey-3-firmware v1.3.0

This will build the new firmware from HEAD and the old firmware from the specified revision or tag.

Using the Makefile

If you want to use the Makefile to run the tests, you have to provide the usbip-runner and usbip-provisioner binaries in the bin directory, for example by building them from source. See the test-local.sh script for insipration. If you want to execute the upgrade tests, you also have to provide the usbip-runner-old and usbip-provisioner-old binaries for the firmware version to upgrade from.

These are the most useful targets in the Makefile:

  • Lint the test code and run all tests in a docker container: 
    $ make
  • Run all tests in a docker container: 
    $ make run-docker
  • Run all tests locally (may require root privileges for usbip): 
    $ make run
  • Lint the test code: 
    $ make check

Configuration

The flags passed to pytest can be extended by setting the PYTEST_FLAGS environment variable.

Upgrade tests

To enable upgrade tests, set the --upgrade flag. This only works with virtual devices and requires the usbip-runner-old and usbip-provisioner-old binaries.

Device selection

Per default, the tests use a usbip simulation of a Nitrokey 3 device. If you want to use them with a real Nitrokey 3 device connected to your computer:

  • set --use-usb-devices [uuid1] [uuid2] ... [uuidN] (using PYTEST_FLAGS) option with the UUIDs to whitelist for testing
  • disable the tests with the virtual mark with the -m "not virtual" option

There also is a shortcut for this:

  • create a variables.mk with the variable: ALLOWED_UUIDS which will be used for --use-usb-devices
  • use make run-hw to run the tests on one of the ALLOWED_UUIDS
    • you can pass PYTEST_EXTRA to the make call to call pytest with these extra arguments

Warning: The test suite will perform destructive changes like setting a PIN or resetting the device.