services/fuse/tests/test_cache.py

   1 # Copyright (C) The Arvados Authors. All rights reserved.
   2 #
   3 # SPDX-License-Identifier: AGPL-3.0
   4
   5 import arvados
   6 import arvados.collection
   7 import arvados_fuse
   8 import arvados_fuse.command
   9 import json
  10 import logging
  11 import os
  12 import tempfile
  13 import unittest
  14
  15 from .integration_test import IntegrationTest
  16 from .mount_test_base import MountTestBase
  17
  18 class CacheTest(IntegrationTest):
  19     mnt_args = ["--by-id", "--directory-cache=0"]
  20
  21     @IntegrationTest.mount(argv=mnt_args)
  22     def test_cache_spill(self):
  23         pdh = []
  24         for i in range(0, 8):
  25             cw = arvados.collection.Collection()
  26             f = cw.open("blurg%i" % i, "w")
  27             f.write("bloop%i" % i)
  28
  29             cw.mkdirs("dir%i" % i)
  30             f = cw.open("dir%i/blurg" % i, "w")
  31             f.write("dirbloop%i" % i)
  32
  33             cw.save_new()
  34             pdh.append(cw.portable_data_hash())
  35         self.pool_test(self.mnt, pdh)
  36
  37     @staticmethod
  38     def _test_cache_spill(self, mnt, pdh):
  39         for i,v in enumerate(pdh):
  40             j = os.path.join(mnt, "by_id", v, "blurg%i" % i)
  41             self.assertTrue(os.path.exists(j))
  42             j = os.path.join(mnt, "by_id", v, "dir%i/blurg" % i)
  43             self.assertTrue(os.path.exists(j))
  44
  45         for i,v in enumerate(pdh):
  46             j = os.path.join(mnt, "by_id", v, "blurg%i" % i)
  47             self.assertTrue(os.path.exists(j))
  48             j = os.path.join(mnt, "by_id", v, "dir%i/blurg" % i)
  49             self.assertTrue(os.path.exists(j))