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author | Richard Maw <richard.maw@codethink.co.uk> | 2012-04-12 16:56:44 +0100 |
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committer | Richard Maw <richard.maw@codethink.co.uk> | 2012-04-12 17:36:27 +0100 |
commit | e0d0662ccc0c26c30d417888ca3f2e5ab68bcb04 (patch) | |
tree | 6d9db3be18296975a2d573421ed5a59c19921c7a /morphlib/buildenvironment_tests.py | |
parent | 82e9a58b550731e5a5d367bb2b67c104f1b04ef2 (diff) | |
download | morph-e0d0662ccc0c26c30d417888ca3f2e5ab68bcb04.tar.gz |
morphlib: add buildenvironment and tests
BuildEnvironment should contain all the information about whatever
settings affect the build. A subset of these will affect the cache
key, but CacheKeyComputer filters them itself.
BuildEnvironment has consumed the purpose of Morph.clean_env() because
the build environment is a good place to store this information.
The environment variables are decided based on the current settings.
The current environment can be accessed by the env attribute.
The tests are a little invasive because it reads environment variables
and most of the work is done in the constructor, but they should test
everything useful.
Diffstat (limited to 'morphlib/buildenvironment_tests.py')
-rw-r--r-- | morphlib/buildenvironment_tests.py | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/morphlib/buildenvironment_tests.py b/morphlib/buildenvironment_tests.py new file mode 100644 index 00000000..f99484f0 --- /dev/null +++ b/morphlib/buildenvironment_tests.py @@ -0,0 +1,137 @@ +# Copyright (C) 2012 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 unittest + +import morphlib +from morphlib import buildenvironment + +class BuildEnvironmentTests(unittest.TestCase): + + def setUp(self): + self.settings = { + 'keep-path': False, + 'bootstrap': False, + 'toolchain-target': '%s-baserock-linux-gnu' % morphlib.util.arch(), + 'target-cflags': '', + 'prefix': '/usr', + 'no-ccache': True, + 'ccache-remotedir': '', + 'ccache-remotenlevels': 2, + 'no-distcc': True, + } + self.fake_env = { + 'PATH': '/fake_bin', + } + self.default_path = 'no:such:path' + self.remote_ccache = 'http://example.com/ccache' + + def test_arch_defaults_to_host(self): + buildenv = buildenvironment.BuildEnvironment(self.settings) + self.assertEqual(buildenv.arch, morphlib.util.arch()) + + def test_arch_overridable(self): + buildenv = buildenvironment.BuildEnvironment(self.settings, + arch='noarch') + self.assertEqual(buildenv.arch, 'noarch') + + def test_sets_default_path(self): + self.settings['keep-path'] = False + self.settings['bootstrap'] = False + olddefaultpath = buildenvironment.BuildEnvironment._default_path + buildenvironment.BuildEnvironment._default_path = self.default_path + buildenv = buildenvironment.BuildEnvironment(self.settings) + buildenvironment.BuildEnvironment._default_path = olddefaultpath + self.assertTrue(self.default_path in buildenv.env['PATH']) + + def test_uses_env_path_with_keep_path(self): + self.settings['keep-path'] = True + + old_osenv = buildenvironment.BuildEnvironment._osenv + buildenvironment.BuildEnvironment._osenv = self.fake_env + buildenv = buildenvironment.BuildEnvironment(self.settings) + buildenvironment.BuildEnvironment._osenv = old_osenv + + self.assertEqual(buildenv.env['PATH'], self.fake_env['PATH']) + + def test_uses_env_path_with_bootstrap(self): + self.settings['bootstrap'] = True + + old_osenv = buildenvironment.BuildEnvironment._osenv + buildenvironment.BuildEnvironment._osenv = self.fake_env + buildenv = buildenvironment.BuildEnvironment(self.settings) + buildenvironment.BuildEnvironment._osenv = old_osenv + + self.assertEqual(buildenv.env['PATH'], self.fake_env['PATH']) + + def test_copies_whitelist_vars(self): + env = self.fake_env + safe = { + 'DISTCC_HOSTS': 'example.com:example.co.uk', + 'TMPDIR': '/buildenv/tmp/dir', + 'LD_PRELOAD': '/buildenv/lib/libbuildenv.so', + 'LD_LIBRARY_PATH': '/buildenv/lib:/buildenv/lib64', + 'FAKEROOTKEY': 'b011de73', + 'FAKED_MODE': 'non-fakeroot', + 'FAKEROOT_FD_BASE': '-1', + } + env.update(safe) + + old_osenv = buildenvironment.BuildEnvironment._osenv + buildenvironment.BuildEnvironment._osenv = env + buildenv = buildenvironment.BuildEnvironment(self.settings) + buildenvironment.BuildEnvironment._osenv = old_osenv + + self.assertEqual(sorted(safe.items()), + sorted([(k, buildenv.env[k]) for k in safe.keys()])) + + def test_user_spellings_equal(self): + buildenv = buildenvironment.BuildEnvironment(self.settings) + self.assertTrue(buildenv.env['USER'] == buildenv.env['USERNAME'] == + buildenv.env['LOGNAME']) + + def test_environment_overrides(self): + buildenv = buildenvironment.BuildEnvironment(self.settings) + self.assertEqual(buildenv.env['TERM'], buildenv._override_term) + self.assertEqual(buildenv.env['SHELL'], buildenv._override_shell) + self.assertEqual(buildenv.env['USER'], buildenv._override_username) + self.assertEqual(buildenv.env['USERNAME'], buildenv._override_username) + self.assertEqual(buildenv.env['LOGNAME'], buildenv._override_username) + self.assertEqual(buildenv.env['LC_ALL'], buildenv._override_locale) + self.assertEqual(buildenv.env['HOME'], buildenv._override_home) + + def test_environment_settings_set(self): + buildenv = buildenvironment.BuildEnvironment(self.settings) + self.assertEqual(buildenv.env['TOOLCHAIN_TARGET'], + self.settings['toolchain-target']) + self.assertEqual(buildenv.env['CFLAGS'], + self.settings['target-cflags']) + self.assertEqual(buildenv.env['PREFIX'], + self.settings['prefix']) + self.assertEqual(buildenv.env['BOOTSTRAP'], + 'true' if self.settings['bootstrap'] else 'false') + + def test_ccache_vars_set(self): + self.settings['no-ccache'] = False + self.settings['ccache-remotedir'] = self.remote_ccache + self.settings['no-distcc'] = False + buildenv = buildenvironment.BuildEnvironment(self.settings) + self.assertTrue(buildenv._ccache_path in buildenv.env['PATH']) + self.assertEqual(buildenv.env['CCACHE_REMOTEDIR'], + self.remote_ccache) + self.assertEqual(buildenv.env['CCACHE_REMOTENLEVELS'], + str(self.settings['ccache-remotenlevels'])) + self.assertEqual(buildenv.env['CCACHE_PREFIX'], 'distcc') |