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import unittest
from simple_cdd import env
import tempfile
import os
class TestEnv(unittest.TestCase):
def setUp(self):
# Save and clear the environment before the tests
self.saved_env = dict(os.environ)
os.environ.clear()
def tearDown(self):
# Restore the environment after the tests
os.environ.clear()
for k, v in self.saved_env.items():
os.environ[k] = v
def test_knownvar_text(self):
VARIABLES = [
env.TextVar("test", "default")
]
# If the variable does not exist in the environment, it gets the
# default value
e = env.Environment(VARIABLES)
self.assertEqual(e.test, "default")
# If the variable does exists in the environment, the environment value
# is used
os.environ["test"] = "somevalue"
e = env.Environment(VARIABLES)
self.assertEqual(e.test, "somevalue")
def test_unknownvar(self):
# Unknown values raise AttributeError via the getattr interface, even
# if set in the environment, but are still accessible via get()
e = env.Environment([])
with self.assertRaises(AttributeError):
e.test
self.assertEqual(e.get("test"), "")
os.environ["test"] = "somevalue"
e = env.Environment([])
with self.assertRaises(AttributeError):
e.test
self.assertEqual(e.get("test"), "somevalue")
def test_expansion(self):
# Case of expansion that broke in the past
VARIABLES = [
env.PathVar("simple_cdd_dir", "test",
help="simple-cdd working directory"),
env.PathVar("simple_cdd_temp", ["{simple_cdd_dir}", "tmp"],
help="directory where intermediate build data are stored"),
env.PathVar("simple_cdd_mirror", ["{simple_cdd_temp}", "mirror"],
help="directory where the local mirror is stored"),
env.PathVar("MIRROR", "{simple_cdd_mirror}",
help="directory where the local mirror is stored"),
]
e = env.Environment(VARIABLES)
self.assertEqual(e.MIRROR, "test/tmp/mirror")
VARIABLES = [
env.BoolVar("a", True),
env.BoolVar("b", "{a}"),
]
e = env.Environment(VARIABLES)
self.assertEqual(e.a, True)
def test_configfile(self):
VARIABLES = [
env.BoolVar("use_security_mirror", help="merge Debian security updates into mirror"),
]
e = env.Environment(VARIABLES)
self.assertFalse(e.use_security_mirror)
e.set("use_security_mirror", True)
self.assertTrue(e.use_security_mirror)
with tempfile.NamedTemporaryFile(mode="wt") as fd:
print("use_security_mirror=false", file=fd)
fd.flush()
e.read_config_file(fd.name)
self.assertFalse(e.use_security_mirror)
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