1from __future__ import absolute_import
2import unittest
3
4from mozharness.base.parallel import ChunkingMixin
5
6
7class TestChunkingMixin(unittest.TestCase):
8    def setUp(self):
9        self.c = ChunkingMixin()
10
11    def test_one_chunk(self):
12        self.assertEqual(self.c.query_chunked_list([1, 3, 2], 1, 1), [1, 3, 2])
13
14    def test_sorted(self):
15        self.assertEqual(
16            self.c.query_chunked_list([1, 3, 2], 1, 1, sort=True), [1, 2, 3]
17        )
18
19    def test_first_chunk(self):
20        self.assertEqual(self.c.query_chunked_list([4, 5, 4, 3], 1, 2), [4, 5])
21
22    def test_last_chunk(self):
23        self.assertEqual(self.c.query_chunked_list([1, 4, 5, 7, 5, 6], 3, 3), [5, 6])
24
25    def test_not_evenly_divisble(self):
26        thing = [1, 3, 6, 4, 3, 2, 6]
27        self.assertEqual(self.c.query_chunked_list(thing, 1, 3), [1, 3, 6])
28        self.assertEqual(self.c.query_chunked_list(thing, 2, 3), [4, 3])
29        self.assertEqual(self.c.query_chunked_list(thing, 3, 3), [2, 6])
30