def test_config_util_initialisation():
'''Test ConfigUtil initialises properly'''
template = fudge.Fake("template")
config_util = ConfigUtil(template)
config_util.values |should| equal_to({})
config_util.template |should| be(template)
def test_it_raises_attributeError_when_key_doesnt_exist(self):
config_util = ConfigUtil()
config_util.values = {"a":1}
config_util.find_value("a") |should| be(1)
finder = lambda : config_util.find_value("b")
finder |should| throw(AttributeError, "Config has no value for b")
def test_it_doesnt_care_if_no_config_file(self):
config_util = ConfigUtil()
fake_find_config_file = fudge.Fake("find_config_file").expects_call().returns(None)
fake_apply_config_file = fudge.Fake("apply_config_file")
with fudge.patched_context(config_util, 'find_config_file', fake_find_config_file):
with fudge.patched_context(config_util, 'apply_config_file', fake_apply_config_file):
config_util.use_config_file()
def test_it_applies_config_file_if_one_is_found(self):
config_util = ConfigUtil()
config_file = fudge.Fake("config_file")
fake_find_config_file = fudge.Fake("find_config_file").expects_call().returns(config_file)
fake_apply_config_file = fudge.Fake("apply_config_file").expects_call().with_args(config_file)
with fudge.patched_context(config_util, 'find_config_file', fake_find_config_file):
with fudge.patched_context(config_util, 'apply_config_file', fake_apply_config_file):
config_util.use_config_file()
def test_it_sets_options_from_an_json_file(self):
contents = """
{ "a" : "stuff"
, "b" : "things"
}
"""
with a_temp_file(contents) as filename:
config_util = ConfigUtil()
config_util.values |should| equal_to({})
config_util.apply_config_file(filename)
config_util.values |should| equal_to({"a":"stuff", "b":"things"})
def test_it_doesnt_override_existing_non_default_values(self):
contents = """
{ "a" : "stuff"
, "b" : "things"
, "c" : "and"
, "d" : "shells"
, "e-f" : "blah"
, "g-h" : "other"
}
"""
with a_temp_file(contents) as filename:
config_util = ConfigUtil()
c_val = Default(21)
config_util.use_options({'b':21, 'c':c_val, 'd':None, "g-h":"meh"})
config_util.values |should| equal_to({'b':21, 'c':c_val, 'd':None, "g_h":"meh"})
config_util.apply_config_file(filename)
config_util.values |should| equal_to({"a":"stuff", "b":21, "c":"and", 'd':None, "e_f":"blah", "g_h":"meh"})
def setUp(self):
self.config_util = ConfigUtil()
self.fullpath = fudge.Fake('fullpath')
self.filename = fudge.Fake('filename')
def setup(self):
self.config_util = ConfigUtil()
self.config_util.values |should| equal_to({})
def test_it_returns_value_as_is(self):
val = fudge.Fake("val")
config_util = ConfigUtil()
config_util.values = {"c":val}
config_util.find_value("c") |should| be(val)
def test_it_returns_actual_value_if_finds_default(self):
config_util = ConfigUtil()
config_util.values = {"a":Default(21)}
config_util.find_value("a") |should| be(21)
def test_config_util_normalising_keys():
'''Test ConfigUtil knows how to normalise a key'''
config_util = ConfigUtil()
config_util.normalise_key("blah") |should| equal_to("blah")
config_util.normalise_key("blah_stuff-things") |should| equal_to("blah_stuff_things")
config_util.normalise_key("blah-stuff-things") |should| equal_to("blah_stuff_things")