def test_no_data():
"""Test no data should return Failure."""
test = [{}, ['keys']]
t_result = fetch_data_by_keys(*test)
assert not is_successful(t_result)
assert 'keys' in str(t_result.failure())
def test():
"""Test that we can fetch key in dict."""
test = [{'key': 'val1'}, ['key']]
assert fetch_data_by_keys(*test).unwrap() == 'val1'
def test_no_path():
"""Test no path should return Failure."""
test = [{'key': 'val'}, []]
t_result = fetch_data_by_keys(*test)
assert not is_successful(t_result)
assert 'path list empty' in str(t_result.failure())
def test_no_such_key():
"""Test Failure on missing key."""
test = [{'key': 'val1'}, ['missing']]
t_result = fetch_data_by_keys(*test)
assert not is_successful(t_result)
assert 'missing' in str(t_result.failure())
def test_find_array():
"""Test that giving path to array is okay."""
test = [{'key': ['val', 'val']}, ['key']]
assert fetch_data_by_keys(*test) == Success(['val', 'val'])
def test_find_dictionary():
"""Test that giving path to dict is okay."""
test = [{'key': {'key1': 'val'}}, ['key']]
assert fetch_data_by_keys(*test) == Success({'key1': 'val'})
def test_two_keys():
"""Test that we are able to map with multiple keys."""
test = [{'key1': {'key2': 'val1'}}, ['key1', 'key2']]
assert fetch_data_by_keys(*test).unwrap() == 'val1'