def test_layering_of_configs(self):
config = Configuration()
config.register('num_participants', int)
config.extend({'num_participants': 1})
config.ready = True
assert config.get('num_participants', 1) == 1
config.extend({'num_participants': 2})
assert config.get('num_participants', 1) == 2
def test_setting_values_supports_synonyms(self):
config = Configuration()
config.register('num_participants', int, synonyms={
'n',
})
config.ready = True
config.extend({'n': 1})
assert config.get('num_participants') == 1
def test_type_casts_follow_file_pointers(self):
config = Configuration()
config.register("data", six.text_type)
config.ready = True
with NamedTemporaryFile() as data_file:
data_file.write("hello".encode("utf-8"))
data_file.flush()
config.extend({"data": "file:" + data_file.name}, cast_types=True)
assert config.get("data") == "hello"
def test_loading_keys_from_environment_variables(self):
config = Configuration()
config.register("num_participants", int, synonyms={"n"})
os.environ["num_participants"] = "1"
try:
config.load_from_environment()
finally:
del os.environ["num_participants"]
config.ready = True
assert config.get("num_participants") == 1
def test_loading_keys_from_environment_variables(self):
config = Configuration()
config.register('num_participants', int, synonyms={'n', })
os.environ['num_participants'] = '1'
try:
config.load_from_environment()
finally:
del os.environ['num_participants']
config.ready = True
assert config.get('num_participants') == 1
def test_loading_keys_from_config_file(self):
config = Configuration()
config.register("mode", six.text_type)
config.register("num_participants", int, synonyms={"n"})
config.register("deploy_worldwide", bool, synonyms={"worldwide"})
mode_with_trailing_whitespace = "live "
contents = """
[Example Section]
mode = {}
num_participants = 10
worldwide = false
""".format(mode_with_trailing_whitespace)
with NamedTemporaryFile() as configfile:
configfile.write(contents.encode("utf-8"))
configfile.flush()
config.load_from_file(configfile.name)
config.ready = True
assert config.get("mode") == "live" # whitespace stripped
assert config.get("num_participants") == 10
assert config.get("deploy_worldwide") is False
def test_loading_keys_from_config_file(self):
config = Configuration()
config.register('num_participants', int, synonyms={'n', })
config.register('deploy_worldwide', bool, synonyms={'worldwide', })
with NamedTemporaryFile() as configfile:
configfile.write("""
[Example Section]
num_participants = 10
worldwide = false
""")
configfile.flush()
config.load_from_config_file(configfile.name)
config.ready = True
assert config.get('num_participants') == 10
assert config.get('deploy_worldwide') is False
def test_get_has_default_value(self):
config = Configuration()
config.register('num_participants', int)
config.ready = True
assert config.get('num_participants', 10) == 10
def test_get_without_default_raises(self):
config = Configuration()
config.register('num_participants', int)
config.ready = True
with pytest.raises(KeyError):
config.get('num_participants')
def test_setting_unknown_key_is_ignored(self):
config = Configuration()
config.ready = True
config.extend({'num_participants': 1})
config.get('num_participants', None)
def test_get_before_ready_is_not_possible(self):
config = Configuration()
config.register('num_participants', int)
config.extend({'num_participants': 1})
with pytest.raises(RuntimeError):
config.get('num_participants', 1)
def test_type_mismatch_with_cast_types(self):
config = Configuration()
config.register('num_participants', int)
config.ready = True
config.extend({'num_participants': 1.0}, cast_types=True)
assert config.get('num_participants', 1) == 1
def test_register_new_variable(self):
config = Configuration()
config.register('num_participants', int)
config.extend({'num_participants': 1})
config.ready = True
assert config.get('num_participants', 1)
def test_setting_values_supports_synonyms(self):
config = Configuration()
config.register("num_participants", int, synonyms={"n"})
config.ready = True
config.extend({"n": 1})
assert config.get("num_participants") == 1
def test_get_strips_strings(self):
config = Configuration()
config.register("test_string", six.text_type)
config.ready = True
config.extend({"test_string": " something "})
assert config.get("test_string") == "something"
