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