def test_detect_ok(self):
# we can detect devices
cmd = FPScanCommand(self.fpscan_path)
cmd.run()
ret_code, stdout, stderr = cmd.wait()
assert ret_code == 0
assert stdout == (b'Digital Persona U.are.U 4000/4000B/4500\n'
b' 2 0 1 0 1 384 290\n')
assert stderr == b''
def test_compare_ok(self):
# we can compare input with stored fingerprints
stored_path = self.create_fake_data_fpm()
cmd = FPScanCommand(self.fpscan_path, ['-c', '-i', stored_path])
cmd.run()
ret_code, stdout, stderr = cmd.wait()
assert cmd.is_alive() is False
assert ret_code == 0
assert stdout == b'ok\n'
assert stderr == b''
def test_detect_fail(self):
# we can detect missing devices
cmd = FPScanCommand(self.fpscan_path, [
'--no-device',
])
cmd.run()
ret_code, stdout, stderr = cmd.wait()
assert ret_code == 0
assert stdout == b'0\n'
assert stderr == b''
def test_compare_fail(self):
# we can detect failing comparisons by exit status
stored_path = self.create_fake_data_fpm()
cmd = FPScanCommand(self.fpscan_path,
['-c', '-i', stored_path, '--compare-fail'])
cmd.run()
ret_code, stdout, stderr = cmd.wait()
assert cmd.is_alive() is False
assert ret_code == 1
assert stdout == b'error: unknown reason\n'
assert stderr == b''
def test_compare_no_match(self):
# we can detect non-matches when comparing fingerprints
stored_path = self.create_fake_data_fpm()
cmd = FPScanCommand(self.fpscan_path,
['-c', '-i', stored_path, '--compare-no-match'])
cmd.run()
ret_code, stdout, stderr = cmd.wait()
assert cmd.is_alive() is False
assert ret_code == 0
assert stdout == b'no-match\n'
assert stderr == b''
def test_scan_invalid_device(self):
# we detect missing devices when scanning
cmd = FPScanCommand(self.fpscan_path, [
'-s',
'--no-device',
])
cmd.run()
ret_code, stdout, stderr = cmd.wait()
assert ret_code == 1
assert stdout == b''
assert stderr == b'Invalid device number: 0.\n'
def test_scan_ok(self):
# we can scan fingerprints (emulated)
out_path = os.path.join(self.home_dir, 'data.fpm')
cmd = FPScanCommand(self.fpscan_path, ['-s', '-o', out_path])
cmd.run()
ret_code, stdout, stderr = cmd.wait()
assert cmd.is_alive() is False
assert ret_code == 0
assert stdout == b'ok\n'
assert stderr == b''
assert os.path.exists(out_path)
def test_scan_fail(self):
# scans can fail. We respect that
cmd = FPScanCommand(self.fpscan_path, [
'-s',
'--scan-fail',
])
cmd.run()
ret_code, stdout, stderr = cmd.wait()
assert cmd.is_alive() is False
assert ret_code == 1
assert stdout == b'fail\n'
assert stderr == b''