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# simplejenkinsapi/order_tests.py -- unit tests for build ordering
#
# Copyright 2012 Lars Wirzenius
#
# 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/>.
import unittest
from simplejenkinsapi import order
def _names(projects):
return [p['name'] for p in projects]
class OrderTests(unittest.TestCase):
def setUp(self):
self.A = { 'name': 'A', 'build-depends': [] }
self.B = { 'name': 'B', 'build-depends': [] }
self.C = { 'name': 'C', 'build-depends': [] }
self.D = { 'name': 'D', 'build-depends': [] }
def test_returns_empty_list_for_empty_list(self):
self.assertEqual(order([]), [])
def test_returns_identical_list_for_one_project(self):
ps = [self.A]
self.assertEqual(order(ps), ps)
def test_returns_correct_list_for_two_independent_projects(self):
ps = [self.A, self.B]
self.assertEqual(order(ps), ps)
def test_returns_correct_list_for_two_dependent_projects(self):
self.A['build-depends'] = ['B']
ps = [self.A, self.B]
new = order(ps)
self.assertEqual(_names(new), _names([self.B, self.A]))
def test_returns_correct_list_for_three_with_linear_deps(self):
self.B['build-depends'] = ['A']
self.C['build-depends'] = ['A']
ps = [self.A, self.B, self.C]
self.assertEqual(_names(order(ps)), _names(ps))
def test_returns_correct_list_for_three_with_nonlinear_deps(self):
self.A['build-depends'] = ['B', 'C']
ps = [self.A, self.B, self.C]
self.assertEqual(_names(order(ps)), _names([self.B, self.C, self.A]))
def test_returns_correct_list_for_diamond(self):
self.A['build-depends'] = ['B', 'C']
self.B['build-depends'] = ['D']
self.C['build-depends'] = ['D']
ps = [self.A, self.B, self.C, self.D]
self.assertEqual(_names(order(ps)),
_names([self.D, self.B, self.C, self.A]))
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