goal-tools/goal_tools/tests/test_summarize.py

38 lines
1.2 KiB
Python

# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
import collections
from goal_tools.who_helped import summarize
from goal_tools.tests import base
class TestSummarizeBy(base.TestCase):
_data = [
{'a': 'A', 'b': 'B'},
{'a': 'A', 'b': 'C'},
]
def test_one_column(self):
results = summarize._summarize_by(['a'], self._data)
expected = collections.Counter({('A',): 2})
self.assertEqual(expected, results)
def test_two_columns(self):
results = summarize._summarize_by(['a', 'b'], self._data)
expected = collections.Counter({
('A', 'B'): 1,
('A', 'C'): 1,
})
self.assertEqual(expected, results)