def test_load_FileDoesNotExist_RaisesFileNotFoundError(self, tmpdir):
config_file = tmpdir.join('config') # file was not created here
config_filepath = str(config_file)
config = ConfigurationFile()
with pytest.raises(FileNotFoundError):
config.load(config_filepath)
def test_load_FileMissingOneOfThe3Params_RaisesLoadError(
self, tmpdir):
config_file = tmpdir.join('config')
config_file.write("""
{
"db_file": "file.db",
"cache_dir": "cache"
}""")
config = ConfigurationFile()
with pytest.raises(LoadError) as error:
config.load(str(config_file))
assert str(error.value) == "configuration file '%s' " \
"missing one parameter" % config_file
def test_load_FileMissingQuotesInTheParamNames_RaisesLoadError(
self, tmpdir):
config_file = tmpdir.join('config')
config_file.write("""
{
db_file: "file.db",
cache_dir: "cache",
store_dir: "store"
}""")
config = ConfigurationFile()
with pytest.raises(LoadError) as error:
config.load(str(config_file))
assert str(error.value).startswith("configuration file '%s' is not in "
"the correct format: " % config_file)
def test_load_FileMissingColonsBetweenParamNamesAndValues_RaisesLoadError(
self, tmpdir):
config_file = tmpdir.join('config')
config_file.write("""
{
"db_file" "file.db",
"cache_dir" "cache",
"store_dir" "store"
}""")
config = ConfigurationFile()
with pytest.raises(LoadError) as error:
config.load(str(config_file))
assert str(error.value).startswith("configuration file '%s' is not in "
"the correct format: " % config_file)
def test_load_FileWithThe3Params_LoadsConfigFileWithRespectiveValues(
self, tmpdir):
config_file = tmpdir.join('config')
config_file.write("""
{
"db_file": "file.db",
"cache_dir": "cache",
"store_dir": "store"
}""")
config = ConfigurationFile()
config.load(str(config_file))
assert config.db_file == "file.db"
assert config.cache_dir == "cache"
assert config.store_dir == "store"
def test_load_FileWithThe3ParamsAndExtraInvalidParam_RaisesLoadError(
self, tmpdir):
config_file = tmpdir.join('config')
config_file.write("""
{
"db_file": "file.db",
"cache_dir": "cache",
"store_dir": "store",
"extra": "extra"
}""")
config = ConfigurationFile()
with pytest.raises(LoadError) as error:
config.load(str(config_file))
assert str(error.value) == "configuration file '%s' has unknown " \
"parameters" % config_file