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## -*- coding: utf-8 -*-
# test_abstrctbootstrapper.py
# Copyright (C) 2013 LEAP
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# This program 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
"""
Tests for the Abstract Boostrapper functionality
"""
import mock
from PySide import QtCore
from nose.twistedtools import deferred
from leap.services.abstractbootstrapper import AbstractBootstrapper
from leap.util.pyside_tests_helper import UsesQApplication, BasicPySlotCase
class TesterBootstrapper(AbstractBootstrapper):
test_signal1 = QtCore.Signal(dict)
test_signal2 = QtCore.Signal(dict)
test_signal3 = QtCore.Signal(dict)
ERROR_MSG = "This is a test error msg"
def _check_that_passes(self, *args):
pass
def _second_check_that_passes(self, *args):
pass
def _check_that_fails(self, *args):
raise Exception(self.ERROR_MSG)
def run_checks_pass(self):
cb_chain = [
(self._check_that_passes, self.test_signal1),
(self._second_check_that_passes, self.test_signal2),
]
return self.addCallbackChain(cb_chain)
def run_second_checks_pass(self):
cb_chain = [
(self._check_that_passes, None),
]
return self.addCallbackChain(cb_chain)
def run_checks_fail(self):
cb_chain = [
(self._check_that_passes, self.test_signal1),
(self._check_that_fails, self.test_signal2)
]
return self.addCallbackChain(cb_chain)
def run_second_checks_fail(self):
cb_chain = [
(self._check_that_passes, self.test_signal1),
(self._check_that_fails, self.test_signal2),
(self._second_check_that_passes, self.test_signal1)
]
return self.addCallbackChain(cb_chain)
def run_third_checks_fail(self):
cb_chain = [
(self._check_that_passes, self.test_signal1),
(self._check_that_fails, None)
]
return self.addCallbackChain(cb_chain)
class AbstractBootstrapperTest(UsesQApplication, BasicPySlotCase):
def setUp(self):
UsesQApplication.setUp(self)
BasicPySlotCase.setUp(self)
self.tbt = TesterBootstrapper()
self.called1 = self.called2 = 0
@deferred()
def test_all_checks_executed_once(self):
self.tbt._check_that_passes = mock.MagicMock()
self.tbt._second_check_that_passes = mock.MagicMock()
d = self.tbt.run_checks_pass()
def check(*args):
self.tbt._check_that_passes.assert_called_once_with()
self.tbt._second_check_that_passes.\
assert_called_once_with(None)
d.addCallback(check)
return d
#######################################################################
# Dummy callbacks that test the arguments expected from a certain
# signal and only allow being called once
def cb1(self, *args):
if tuple(self.args1) == args:
self.called1 += 1
else:
raise ValueError('Invalid arguments for callback')
def cb2(self, *args):
if tuple(self.args2) == args:
self.called2 += 1
else:
raise ValueError('Invalid arguments for callback')
#
#######################################################################
def _check_cb12_once(self, *args):
self.assertEquals(self.called1, 1)
self.assertEquals(self.called2, 1)
@deferred()
def test_emits_correct(self):
self.tbt.test_signal1.connect(self.cb1)
self.tbt.test_signal2.connect(self.cb2)
d = self.tbt.run_checks_pass()
self.args1 = [{
AbstractBootstrapper.PASSED_KEY: True,
AbstractBootstrapper.ERROR_KEY: ""
}]
self.args2 = self.args1
d.addCallback(self._check_cb12_once)
return d
@deferred()
def test_emits_failed(self):
self.tbt.test_signal1.connect(self.cb1)
self.tbt.test_signal2.connect(self.cb2)
d = self.tbt.run_checks_fail()
self.args1 = [{
AbstractBootstrapper.PASSED_KEY: True,
AbstractBootstrapper.ERROR_KEY: ""
}]
self.args2 = [{
AbstractBootstrapper.PASSED_KEY: False,
AbstractBootstrapper.ERROR_KEY:
TesterBootstrapper.ERROR_MSG
}]
d.addCallback(self._check_cb12_once)
return d
@deferred()
def test_emits_failed_and_stops(self):
self.tbt.test_signal1.connect(self.cb1)
self.tbt.test_signal2.connect(self.cb2)
self.tbt.test_signal3.connect(self.cb1)
d = self.tbt.run_second_checks_fail()
self.args1 = [{
AbstractBootstrapper.PASSED_KEY: True,
AbstractBootstrapper.ERROR_KEY: ""
}]
self.args2 = [{
AbstractBootstrapper.PASSED_KEY: False,
AbstractBootstrapper.ERROR_KEY:
TesterBootstrapper.ERROR_MSG
}]
d.addCallback(self._check_cb12_once)
return d
@deferred()
def test_failed_without_signal(self):
d = self.tbt.run_third_checks_fail()
return d
@deferred()
def test_sucess_without_signal(self):
d = self.tbt.run_second_checks_pass()
return d
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