test_fprintd_utils.py 6.43 KB
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#!/usr/bin/python3

# This program is free software; you can redistribute it and/or modify it under
# the terms of the GNU Lesser General Public License as published by the Free
# Software Foundation; either version 3 of the License, or (at your option) any
# later version.  See http://www.gnu.org/copyleft/lgpl.html for the full text
# of the license.

__author__ = 'Bastien Nocera'
__email__ = 'hadess@hadess.net'
__copyright__ = '(c) 2020 Red Hat Inc.'
__license__ = 'LGPL 3+'

import tempfile
import unittest
import sys
import subprocess
import dbus
import dbus.mainloop.glib
import dbusmock
import fcntl
import os
import time

dbus.mainloop.glib.DBusGMainLoop(set_as_default=True)

class TestFprintd(dbusmock.DBusTestCase):
    '''Test fprintd utilities'''

    @classmethod
    def setUpClass(klass):
        klass.start_system_bus()
        klass.dbus_con = klass.get_dbus(True)
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        klass.sleep_time = 0.5
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        template_path = './'
        if 'TOPSRCDIR' in os.environ:
            template_path = os.environ['TOPSRCDIR'] + '/tests/'
        klass.template_name = template_path + 'dbusmock/fprintd.py'
        print ('Using template from %s' % klass.template_name)

        klass.tools_prefix = ''
        if 'FPRINT_BUILD_DIR' in os.environ:
            klass.tools_prefix = os.environ['FPRINT_BUILD_DIR'] + '/../utils/'
            print ('Using tools from %s' % klass.tools_prefix)
        else:
            print ('Using tools from $PATH')

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        klass.wrapper_args = []
        klass.valgrind = False
        if 'VALGRIND' in os.environ:
            valgrind = os.environ['VALGRIND']
            if valgrind is not None:
                klass.valgrind = True
                klass.sleep_time *= 4
                klass.wrapper_args = ['valgrind', '--leak-check=full']
                if os.path.exists(valgrind):
                    klass.wrapper_args += ['--suppressions={}'.format(valgrind)]

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    def setUp(self):
        (self.p_mock, self.obj_fprintd_manager) = self.spawn_server_template(
            self.template_name, {}, stdout=subprocess.PIPE)
        # set log to nonblocking
        flags = fcntl.fcntl(self.p_mock.stdout, fcntl.F_GETFL)
        fcntl.fcntl(self.p_mock.stdout, fcntl.F_SETFL, flags | os.O_NONBLOCK)
        self.obj_fprintd_mock = dbus.Interface(self.obj_fprintd_manager, 'net.reactivated.Fprint.Manager.Mock')

    def tearDown(self):
        self.p_mock.terminate()
        self.p_mock.wait()

    def setup_device(self):
        device_path = self.obj_fprintd_mock.AddDevice('FDO Trigger Finger Laser Reader', 3, 'swipe')
        self.device_mock = self.dbus_con.get_object('net.reactivated.Fprint', device_path)
        self.device_mock.SetEnrolledFingers('toto', ['left-little-finger', 'right-little-finger'])

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    def start_utility_process(self, utility_name, args=[], sleep=True):
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        mock_log = tempfile.NamedTemporaryFile()
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        utility = [ os.path.join(self.tools_prefix, 'fprintd-{}'.format(utility_name)) ]
        process = subprocess.Popen(self.wrapper_args + utility + args,
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                                   stdout=mock_log,
                                   stderr=subprocess.STDOUT,
                                   universal_newlines=True)
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        self.addCleanup(process.terminate)
        self.addCleanup(process.wait)
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        if sleep:
            time.sleep(self.sleep_time)

        return (process, mock_log)

    def run_utility_process(self, utility_name, args=[], sleep=True, timeout=None):
        proc, mock_log = self.start_utility_process(utility_name, args=args, sleep=sleep)
        ret = proc.wait(timeout=timeout if timeout is not None else self.sleep_time * 4)
        self.assertLessEqual(ret, 128)

        with open(mock_log.name) as f:
            return f.read()

    def test_fprintd_enroll(self):
        self.setup_device()

        process, mock_log = self.start_utility_process('enroll', ['-f', 'right-index-finger', 'toto'])
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        with open(mock_log.name) as f:
            out = f.read()
            self.assertRegex(out, r'right-index-finger')

        self.device_mock.EmitEnrollStatus('enroll-completed', True)
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        time.sleep(self.sleep_time)
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        with open(mock_log.name) as f:
            out = f.read()
            self.assertRegex(out, 'Enroll result: enroll-completed')

    def test_fprintd_verify(self):
        self.setup_device()

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        process, mock_log = self.start_utility_process('verify', ['toto'])
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        with open(mock_log.name) as f:
            out = f.read()
            self.assertRegex(out, r'left-little-finger')
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            self.assertNotRegex(out, 'Verify result: verify-match \(done\)')
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        self.device_mock.EmitVerifyStatus('verify-match', True)
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        time.sleep(self.sleep_time)
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        with open(mock_log.name) as f:
            out = f.read()
            self.assertRegex(out, 'Verify result: verify-match \(done\)')

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    def test_fprintd_verify_script(self):
        self.setup_device()
        script = [
            ( 'verify-match', True, 2 )
        ]
        self.device_mock.SetVerifyScript(script)

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        process, mock_log = self.start_utility_process('verify', ['toto'])
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        with open(mock_log.name) as f:
            out = f.read()
            self.assertRegex(out, r'left-little-finger')
            self.assertNotRegex(out, 'Verify result: verify-match \(done\)')

        time.sleep(2)

        with open(mock_log.name) as f:
            out = f.read()
            self.assertRegex(out, 'Verify result: verify-match \(done\)')

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    def test_fprintd_list(self):
        self.setup_device()

        # Rick has no fingerprints enrolled
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        out = self.run_utility_process('list', ['rick'])
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        self.assertRegex(out, r'has no fingers enrolled for')

        # Toto does
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        out = self.run_utility_process('list', ['toto'])
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        self.assertRegex(out, r'right-little-finger')

    def test_fprintd_delete(self):
        self.setup_device()

        # Has fingerprints enrolled
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        out = self.run_utility_process('list', ['toto'])
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        self.assertRegex(out, r'left-little-finger')
        self.assertRegex(out, r'right-little-finger')

        # Delete fingerprints
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        out = self.run_utility_process('delete', ['toto'])
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        self.assertRegex(out, r'Fingerprints deleted')

        # Doesn't have fingerprints
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        out = self.run_utility_process('list', ['toto'])
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        self.assertRegex(out, r'has no fingers enrolled for')

if __name__ == '__main__':
    # avoid writing to stderr
    unittest.main(testRunner=unittest.TextTestRunner(stream=sys.stdout, verbosity=2))