services/fuse/tests/test_tmp_collection.py

   1 # Copyright (C) The Arvados Authors. All rights reserved.
   2 #
   3 # SPDX-License-Identifier: AGPL-3.0
   4
   5 from builtins import range
   6 from six import assertRegex
   7 import arvados
   8 import arvados_fuse
   9 import arvados_fuse.command
  10 import json
  11 import logging
  12 import os
  13 import tempfile
  14 import unittest
  15
  16 from .integration_test import IntegrationTest
  17 from .mount_test_base import MountTestBase
  18
  19 logger = logging.getLogger('arvados.arv-mount')
  20
  21
  22 class TmpCollectionArgsTest(unittest.TestCase):
  23     def setUp(self):
  24         self.tmpdir = tempfile.mkdtemp()
  25
  26     def tearDown(self):
  27         os.rmdir(self.tmpdir)
  28
  29     def test_tmp_only(self):
  30         args = arvados_fuse.command.ArgumentParser().parse_args([
  31             '--mount-tmp', 'tmp1',
  32             '--mount-tmp', 'tmp2',
  33             self.tmpdir,
  34         ])
  35         self.assertIn(args.mode, [None, 'custom'])
  36         self.assertEqual(['tmp1', 'tmp2'], args.mount_tmp)
  37         for mtype in ['home', 'shared', 'by_id', 'by_pdh', 'by_tag']:
  38             self.assertEqual([], getattr(args, 'mount_'+mtype))
  39
  40     def test_tmp_and_home(self):
  41         args = arvados_fuse.command.ArgumentParser().parse_args([
  42             '--mount-tmp', 'test_tmp',
  43             '--mount-home', 'test_home',
  44             self.tmpdir,
  45         ])
  46         self.assertIn(args.mode, [None, 'custom'])
  47         self.assertEqual(['test_tmp'], args.mount_tmp)
  48         self.assertEqual(['test_home'], args.mount_home)
  49
  50     def test_no_tmp(self):
  51         args = arvados_fuse.command.ArgumentParser().parse_args([
  52             self.tmpdir,
  53         ])
  54         self.assertEqual([], args.mount_tmp)
  55
  56
  57 def current_manifest(tmpdir):
  58     with open(os.path.join(tmpdir, '.arvados#collection')) as tmp:
  59         return json.load(tmp)['manifest_text']
  60
  61
  62 class TmpCollectionTest(IntegrationTest):
  63     mnt_args = [
  64         '--read-write',
  65         '--mount-tmp', 'zzz',
  66     ]
  67
  68     @IntegrationTest.mount(argv=mnt_args+['--mount-tmp', 'yyy'])
  69     def test_two_tmp(self):
  70         self.pool_test(os.path.join(self.mnt, 'zzz'),
  71                        os.path.join(self.mnt, 'yyy'))
  72     @staticmethod
  73     def _test_two_tmp(self, zzz, yyy):
  74         self.assertEqual(current_manifest(zzz), "")
  75         self.assertEqual(current_manifest(yyy), "")
  76         with open(os.path.join(zzz, 'foo'), 'w') as f:
  77             f.write('foo')
  78         self.assertNotEqual(current_manifest(zzz), "")
  79         self.assertEqual(current_manifest(yyy), "")
  80         os.unlink(os.path.join(zzz, 'foo'))
  81         with open(os.path.join(yyy, 'bar'), 'w') as f:
  82             f.write('bar')
  83         self.assertEqual(current_manifest(zzz), "")
  84         self.assertNotEqual(current_manifest(yyy), "")
  85
  86     @IntegrationTest.mount(argv=mnt_args)
  87     def test_tmp_empty(self):
  88         self.pool_test(os.path.join(self.mnt, 'zzz'))
  89     @staticmethod
  90     def _test_tmp_empty(self, tmpdir):
  91         self.assertEqual(current_manifest(tmpdir), "")
  92
  93     @IntegrationTest.mount(argv=mnt_args)
  94     def test_tmp_onefile(self):
  95         self.pool_test(os.path.join(self.mnt, 'zzz'))
  96     @staticmethod
  97     def _test_tmp_onefile(self, tmpdir):
  98         with open(os.path.join(tmpdir, 'foo'), 'w') as f:
  99             f.write('foo')
 100         assertRegex(
 101             self,
 102             current_manifest(tmpdir),
 103             r'^\. acbd18db4cc2f85cedef654fccc4a4d8\+3(\+\S+)? 0:3:foo\n$')
 104
 105     @IntegrationTest.mount(argv=mnt_args)
 106     def test_tmp_snapshots(self):
 107         self.pool_test(os.path.join(self.mnt, 'zzz'))
 108     @staticmethod
 109     def _test_tmp_snapshots(self, tmpdir):
 110         ops = [
 111             ('foo', 'bar',
 112              r'^\. 37b51d194a7513e45b56f6524f2d51f2\+3(\+\S+)? 0:3:foo\n$'),
 113             ('foo', 'foo',
 114              r'^\. acbd18db4cc2f85cedef654fccc4a4d8\+3(\+\S+)? 0:3:foo\n$'),
 115             ('bar', 'bar',
 116              r'^\. 37b51d194a7513e45b56f6524f2d51f2\+3(\+\S+)? acbd18db4cc2f85cedef654fccc4a4d8\+3(\+\S+)? 0:3:bar 3:3:foo\n$'),
 117             ('foo', None,
 118              r'^\. 37b51d194a7513e45b56f6524f2d51f2\+3(\+\S+)? 0:3:bar\n$'),
 119             ('bar', None,
 120              r'^$'),
 121         ]
 122         for _ in range(10):
 123             for fn, content, expect in ops:
 124                 path = os.path.join(tmpdir, fn)
 125                 if content is None:
 126                     os.unlink(path)
 127                 else:
 128                     with open(path, 'w') as f:
 129                         f.write(content)
 130                 assertRegex(self, current_manifest(tmpdir), expect)
 131
 132     @IntegrationTest.mount(argv=mnt_args)
 133     def test_tmp_rewrite(self):
 134         self.pool_test(os.path.join(self.mnt, 'zzz'))
 135     @staticmethod
 136     def _test_tmp_rewrite(self, tmpdir):
 137         with open(os.path.join(tmpdir, "b1"), 'w') as f:
 138             f.write("b1")
 139         with open(os.path.join(tmpdir, "b2"), 'w') as f:
 140             f.write("b2")
 141         with open(os.path.join(tmpdir, "b1"), 'w') as f:
 142             f.write("1b")
 143         assertRegex(self, current_manifest(tmpdir), "^\. ed4f3f67c70b02b29c50ce1ea26666bd\+4(\+\S+)? 0:2:b1 2:2:b2\n$")