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1"""Tests that the pytest plugin properly provides the "fs" fixture"""
2import os
3import tempfile
4
5from pyfakefs.fake_filesystem_unittest import Pause
6
7
8def test_fs_fixture(fs):
9    fs.create_file('/var/data/xx1.txt')
10    assert os.path.exists('/var/data/xx1.txt')
11
12
13def test_fs_fixture_alias(fake_filesystem):
14    fake_filesystem.create_file('/var/data/xx1.txt')
15    assert os.path.exists('/var/data/xx1.txt')
16
17
18def test_both_fixtures(fs, fake_filesystem):
19    fake_filesystem.create_file('/var/data/xx1.txt')
20    fs.create_file('/var/data/xx2.txt')
21    assert os.path.exists('/var/data/xx1.txt')
22    assert os.path.exists('/var/data/xx2.txt')
23    assert fs == fake_filesystem
24
25
26def test_pause_resume(fs):
27    fake_temp_file = tempfile.NamedTemporaryFile()
28    assert fs.exists(fake_temp_file.name)
29    assert os.path.exists(fake_temp_file.name)
30    fs.pause()
31    assert fs.exists(fake_temp_file.name)
32    assert not os.path.exists(fake_temp_file.name)
33    real_temp_file = tempfile.NamedTemporaryFile()
34    assert not fs.exists(real_temp_file.name)
35    assert os.path.exists(real_temp_file.name)
36    fs.resume()
37    assert not os.path.exists(real_temp_file.name)
38    assert os.path.exists(fake_temp_file.name)
39
40
41def test_pause_resume_contextmanager(fs):
42    fake_temp_file = tempfile.NamedTemporaryFile()
43    assert fs.exists(fake_temp_file.name)
44    assert os.path.exists(fake_temp_file.name)
45    with Pause(fs):
46        assert fs.exists(fake_temp_file.name)
47        assert not os.path.exists(fake_temp_file.name)
48        real_temp_file = tempfile.NamedTemporaryFile()
49        assert not fs.exists(real_temp_file.name)
50        assert os.path.exists(real_temp_file.name)
51    assert not os.path.exists(real_temp_file.name)
52    assert os.path.exists(fake_temp_file.name)
53