def test_yaml_source_throws_import_error_when_module_missing(mocker):
import sys
# buggy mocker.patch.dict, using manual context resoration
_yaml = sys.modules.get('yaml', None)
sys.modules['yaml'] = None
with pytest.raises(ConcreteSettingsError) as excinfo:
get_source('/test/settings.yaml')
assert isinstance(excinfo.value.__cause__, ImportError)
if _yaml is not None:
sys.modules['yaml'] = _yaml
else:
del sys.modules['yaml']
def test_yaml_source_read_nested_object_value(fs):
fs.create_file(
'/test/settings.yaml',
contents='''
A:
B: 10
''',
)
ysrc = get_source('/test/settings.yaml')
assert ysrc.read(S('B'), parents=('A', )) == 10
def test_yaml_source_read_array_value(fs):
fs.create_file(
'/test/settings.yaml',
contents='''
A:
- 1
- 2
- 3
''',
)
ysrc = get_source('/test/settings.yaml')
assert ysrc.read(S('A')) == [1, 2, 3]
def test_yaml_source_read_non_existing_setting_returns_not_found(fs):
fs.create_file('/test/settings.yaml', contents='')
ysrc = get_source('/test/settings.yaml')
setting = S('NOT_EXISTS')
assert ysrc.read(setting) == NotFound
def test_json_source_has_expected_path(fs):
fs.create_file('/test/settings.json', contents='{}')
jsrc = get_source('/test/settings.json')
assert jsrc.path == '/test/settings.json'
def test_dict_source_read_non_existing_setting_returns_not_found(fs):
dsrc = sources.get_source({})
setting = S('NOT_EXISTS')
assert dsrc.read(setting) == NotFound
def test_python_source_read_nested_object_value():
src = get_source(PYTHON_SOURCE_PATH)
assert src.read(S('PORT'), parents=('DATABASE',)) == 1234
def test_python_source_read_non_existing_setting_returns_not_found():
src = get_source(PYTHON_SOURCE_PATH)
setting = S('NOT_EXISTS')
assert src.read(setting) == NotFound
def test_dict_source_one_level_values():
dsrc = sources.get_source({'a': 10, 'b': 20})
assert dsrc.read(S('a')) == 10
assert dsrc.read(S('b')) == 20
def test_yaml_source_read_float_value(fs):
fs.create_file('/test/settings.yaml', contents='A: 10.25')
ysrc = get_source('/test/settings.yaml')
assert ysrc.read(S('A')) == 10.25
def test_yaml_source_read_null_value(fs):
fs.create_file('/test/settings.yaml', contents='A: null')
ysrc = get_source('/test/settings.yaml')
assert ysrc.read(S('A')) is None
def test_get_json_file_returns_json_source():
src = get_source('/test/settings.json')
assert isinstance(src, JsonSource)
def test_get_yaml_file_returns_yaml_source():
src = get_source('/test/settings.yaml')
assert isinstance(src, YamlSource)
def test_env_source_read_non_existing_setting_returns_not_found():
esrc = get_source(EnvVarSource())
setting = S('NOT_EXISTS')
assert esrc.read(setting) == NotFound
def test_env_source_with_parents(monkeypatch):
monkeypatch.setenv('DB_USER', 'alex')
esrc = get_source(EnvVarSource())
assert esrc.read(S('USER', str), ('DB', )) == 'alex'
assert esrc.read(S('USER', str), ('db', )) == 'alex'
def test_env_source_float_hint(monkeypatch):
monkeypatch.setenv('a', '10.25')
esrc = get_source(EnvVarSource())
assert esrc.read(S('a', float)) == 10.25
def test_env_source_one_level_values(monkeypatch):
monkeypatch.setenv('a', '10')
esrc = get_source(EnvVarSource())
assert esrc.read(S('a')) == '10'
def test_get_env_source_returns_env_source():
esrc = get_source(EnvVarSource())
assert isinstance(esrc, EnvVarSource)
def test_yaml_source_has_expected_path(fs):
fs.create_file('/test/settings.yaml', contents='')
ysrc = get_source('/test/settings.yaml')
assert ysrc.path == '/test/settings.yaml'
def test_json_source_read_float_value(fs):
fs.create_file('/test/settings.json', contents='{"A": 10.25}')
jsrc = get_source('/test/settings.json')
assert jsrc.read(S('A')) == 10.25
def test_yaml_source_read_str_value(fs):
fs.create_file('/test/settings.yaml', contents='A: abc')
ysrc = get_source('/test/settings.yaml')
assert ysrc.read(S('A')) == "abc"
def test_json_source_read_str_value(fs):
fs.create_file('/test/settings.json', contents='{"A": "abc"}')
jsrc = get_source('/test/settings.json')
assert jsrc.read(S('A')) == "abc"
def test_json_source_read_null_value(fs):
fs.create_file('/test/settings.json', contents='{"A": null}')
jsrc = get_source('/test/settings.json')
assert jsrc.read(S('A')) is None
def test_json_source_read_array_value(fs):
fs.create_file('/test/settings.json', contents='{"A": [1, 2, 3]}')
jsrc = get_source('/test/settings.json')
assert jsrc.read(S('A')) == [1, 2, 3]
def test_get_source_for_dict_retuns_dict_source():
dsrc = sources.get_source({'a': 10})
assert isinstance(dsrc, sources.Source)
def test_json_source_read_nested_object_value(fs):
fs.create_file('/test/settings.json', contents='{"A": {"B": 10}}')
jsrc = get_source('/test/settings.json')
assert jsrc.read(S('B'), parents=('A',)) == 10
def test_dict_source_two_levels_nested_dicts_values():
dsrc = sources.get_source({'a': 10, 'c': {'d': 30}})
assert dsrc.read(S('a')) == 10
assert dsrc.read(S('c')) == {'d': 30}
assert dsrc.read(S('d'), parents=('c', )) == 30
def test_json_source_read_non_existing_setting_returns_not_found(fs):
fs.create_file('/test/settings.json', contents='{"A": {"B": 10}}')
jsrc = get_source('/test/settings.json')
setting = S('NOT_EXISTS')
assert jsrc.read(setting) == NotFound
def test_get_source_fail_for_unknown_source():
with pytest.raises(sources.NoSuitableSourceFound):
assert sources.get_source('/test/dummy')
def test_python_source_read_object_value():
src = get_source(PYTHON_SOURCE_PATH)
assert src.read(S('DICT')) == {'KEY': 'VALUE'}
