def test_tmpenv_absent():
"""
pre: 'TMPENV' not in os.environ
with tmpenv(TMPENV='something'):
assert os.getenv('TMPENV') == 'something'
post: 'TMPENV' not in os.environ
"""
pytest.dbgfunc()
v, inside = 'TMPENV', 'something'
if v in os.environ:
del os.environ[v]
with tbx.tmpenv(TMPENV=inside):
assert inside == os.getenv(v)
assert v not in os.environ
def test_tmpenv_unset():
"""
pre: $TMPENV == 'pre test value'
with tmpenv(TMPENV=None):
assert 'TMPENV' not in os.environ
post: $TMPENV == 'pre test value'
"""
pytest.dbgfunc()
v, pre = 'TMPENV', 'pre test value'
os.environ[v] = pre
with tbx.tmpenv(TMPENV=None):
assert v not in os.environ
assert pre == os.getenv(v)
del os.environ[v]
def test_tmpenv_present():
"""
pre: $TMPENV == 'pre test value'
with tmpenv(TMPENV='some other value'):
assert os.getenv('TMPENV') == 'some other value'
post: $TMPENV == 'pre test value'
"""
pytest.dbgfunc()
v, pre, inside = 'TMPENV', 'pre test value', 'some other value'
os.environ[v] = pre
with tbx.tmpenv(TMPENV=inside):
assert inside == os.getenv(v)
assert pre == os.getenv(v)
del os.environ[v]
def test_tmpenv_exception():
"""
pre: $TMPENV == 'some value'
with tmpenv(TMPENV='foobar'):
assert 'foobar' == os.getenv('TMPENV')
raise StandardError('some random error')
post: $TMPENV == 'some value'
"""
pytest.dbgfunc()
v, pre, dur = 'TMPENV', 'some value', 'good'
os.environ[v] = pre
with pytest.raises(StandardError):
with tbx.tmpenv(TMPENV=dur):
assert dur == os.getenv(v)
raise StandardError('some random exception')
assert pre == os.getenv(v)
del os.environ[v]
def test_tmpenv_mult():
"""
pre: $TMPENV undefined, TMPENV_OTHER == ''
with tmpenv(TMPENV='foobar', OTHER='another value'):
assert 'foobar' == os.getenv('TMPENV')
assert 'another value' == os.getenv('OTHER')
post: $TMPENV == 'pre test value', OTHER undefined
"""
pytest.dbgfunc()
v, o, pre, i1, i2 = 'TMPENV', 'TMPENV_OTHER', 'some value', 'good', 'best'
os.environ[o] = pre
if v in os.environ:
del os.environ[v]
with tbx.tmpenv(TMPENV=i1, TMPENV_OTHER=i2):
assert i1 == os.getenv(v)
assert i2 == os.getenv(o)
assert pre == os.getenv(o)
assert v not in os.environ