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# Copyright (C) 2011-2013 Codethink Limited
#
# 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; version 2 of the License.
#
# 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, write to the Free Software Foundation, Inc.,
# 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
import os
import shutil
import tempfile
import unittest
import morphlib
class IndentTests(unittest.TestCase):
def test_returns_empty_string_for_empty_string(self):
self.assertEqual(morphlib.util.indent(''), '')
def test_indents_single_line(self):
self.assertEqual(morphlib.util.indent('foo'), ' foo')
def test_obeys_spaces_setting(self):
self.assertEqual(morphlib.util.indent('foo', spaces=2), ' foo')
def test_indents_multiple_lines(self):
self.assertEqual(morphlib.util.indent('foo\nbar\n'),
' foo\n bar')
class MakeConcurrencyTests(unittest.TestCase):
def test_returns_2_for_1_core(self):
self.assertEqual(morphlib.util.make_concurrency(cores=1), 2)
def test_returns_3_for_2_cores(self):
self.assertEqual(morphlib.util.make_concurrency(cores=2), 3)
def test_returns_5_for_3_cores(self):
self.assertEqual(morphlib.util.make_concurrency(cores=3), 5)
def test_returns_6_for_4_cores(self):
self.assertEqual(morphlib.util.make_concurrency(cores=4), 6)
class FindParentOfTests(unittest.TestCase):
def setUp(self):
self.tempdir = tempfile.mkdtemp()
os.makedirs(os.path.join(self.tempdir, 'a', 'b', 'c'))
self.a = os.path.join(self.tempdir, 'a')
self.b = os.path.join(self.tempdir, 'a', 'b')
self.c = os.path.join(self.tempdir, 'a', 'b', 'c')
def tearDown(self):
shutil.rmtree(self.tempdir)
def test_find_root_finds_starting_directory(self):
os.mkdir(os.path.join(self.a, '.magic'))
self.assertEqual(morphlib.util.find_root(self.a, '.magic'), self.a)
def test_find_root_finds_ancestor(self):
os.mkdir(os.path.join(self.a, '.magic'))
self.assertEqual(morphlib.util.find_root(self.c, '.magic'), self.a)
def test_find_root_returns_none_if_not_found(self):
self.assertEqual(morphlib.util.find_root(self.c, '.magic'), None)
def test_find_leaf_finds_starting_directory(self):
os.mkdir(os.path.join(self.a, '.magic'))
self.assertEqual(morphlib.util.find_leaf(self.a, '.magic'), self.a)
def test_find_leaf_finds_child(self):
os.mkdir(os.path.join(self.c, '.magic'))
self.assertEqual(morphlib.util.find_leaf(self.a, '.magic'), self.c)
def test_find_leaf_returns_none_if_not_found(self):
self.assertEqual(morphlib.util.find_leaf(self.a, '.magic'), None)
class ParseEnvironmentPairsTests(unittest.TestCase):
def test_parse_environment_pairs_adds_key(self):
ret = morphlib.util.parse_environment_pairs({}, ["foo=bar"])
self.assertEqual(ret.get("foo"), "bar")
def test_parse_environment_does_not_alter_passed_dict(self):
d = {}
morphlib.util.parse_environment_pairs(d, ["foo=bar"])
self.assertTrue("foo" not in d)
def test_parse_environment_raises_on_duplicates(self):
self.assertRaises(
morphlib.util.EnvironmentAlreadySetError,
morphlib.util.parse_environment_pairs,
{"foo": "bar"},
["foo=bar"])
def test_sanitize_environment(self):
d = { 'a': 1 }
morphlib.util.sanitize_environment(d)
self.assertTrue(isinstance(d['a'], str))
class IterTrickleTests(unittest.TestCase):
def test_splits(self):
self.assertEqual(list(morphlib.util.iter_trickle("foobarbazqux", 3)),
[["f", "o", "o"], ["b", "a", "r"],
["b", "a", "z"], ["q", "u", "x"]])
def test_truncated_final_sequence(self):
self.assertEqual(list(morphlib.util.iter_trickle("barquux", 3)),
[["b", "a", "r"], ["q", "u", "u"], ["x"]])
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