X-Git-Url: https://git.arvados.org/arvados.git/blobdiff_plain/763e5bd313592a1c1f161b80bc07c94a49f8fb91..8dedd02357a95a0ae2c7961c8f1d0896b6311b3b:/services/fuse/tests/test_command_args.py

diff --git a/services/fuse/tests/test_command_args.py b/services/fuse/tests/test_command_args.py
index 600bb0fe22..a6a387789d 100644
--- a/services/fuse/tests/test_command_args.py
+++ b/services/fuse/tests/test_command_args.py
@@ -2,9 +2,6 @@
 #
 # SPDX-License-Identifier: AGPL-3.0
 
-from __future__ import absolute_import
-from __future__ import print_function
-from six import assertRegex
 import arvados
 import arvados_fuse
 import arvados_fuse.command
@@ -14,12 +11,15 @@ import io
 import json
 import llfuse
 import logging
-import mock
 import os
-from . import run_test_server
 import sys
 import tempfile
 import unittest
+import resource
+
+from unittest import mock
+
+from . import run_test_server
 
 def noexit(func):
     """If argparse or arvados_fuse tries to exit, fail the test instead"""
@@ -83,13 +83,13 @@ class MountArgsTest(unittest.TestCase):
 
         e = self.check_ent_type(arvados_fuse.StringFile, 'README')
         readme = e.readfrom(0, -1).decode()
-        assertRegex(self, readme, r'active-user@arvados\.local')
-        assertRegex(self, readme, r'\n$')
+        self.assertRegex(readme, r'active-user@arvados\.local')
+        self.assertRegex(readme, r'\n$')
 
         e = self.check_ent_type(arvados_fuse.StringFile, 'by_id', 'README')
         txt = e.readfrom(0, -1).decode()
-        assertRegex(self, txt, r'portable data hash')
-        assertRegex(self, txt, r'\n$')
+        self.assertRegex(txt, r'portable data hash')
+        self.assertRegex(txt, r'\n$')
 
     @noexit
     def test_by_id(self):
@@ -198,7 +198,7 @@ class MountArgsTest(unittest.TestCase):
 
         with self.assertRaises(SystemExit):
             args = arvados_fuse.command.ArgumentParser().parse_args(['--version'])
-        assertRegex(self, sys.stdout.getvalue(), "[0-9]+\.[0-9]+\.[0-9]+")
+        self.assertRegex(sys.stdout.getvalue(), "[0-9]+\.[0-9]+\.[0-9]+")
         sys.stderr.close()
         sys.stderr = origerr
         sys.stdout = origout
@@ -261,6 +261,50 @@ class MountArgsTest(unittest.TestCase):
                         '--foreground', self.mntdir])
                     arvados_fuse.command.Mount(args)
 
+    @noexit
+    @mock.patch('resource.setrlimit')
+    @mock.patch('resource.getrlimit')
+    def test_default_file_cache(self, getrlimit, setrlimit):
+        args = arvados_fuse.command.ArgumentParser().parse_args([
+            '--foreground', self.mntdir])
+        self.assertEqual(args.mode, None)
+        getrlimit.return_value = (1024, 1048576)
+        self.mnt = arvados_fuse.command.Mount(args)
+        setrlimit.assert_called_with(resource.RLIMIT_NOFILE, (10240, 1048576))
+
+    @noexit
+    @mock.patch('resource.setrlimit')
+    @mock.patch('resource.getrlimit')
+    def test_small_file_cache(self, getrlimit, setrlimit):
+        args = arvados_fuse.command.ArgumentParser().parse_args([
+            '--foreground', '--file-cache=256000000', self.mntdir])
+        self.assertEqual(args.mode, None)
+        getrlimit.return_value = (1024, 1048576)
+        self.mnt = arvados_fuse.command.Mount(args)
+        setrlimit.assert_not_called()
+
+    @noexit
+    @mock.patch('resource.setrlimit')
+    @mock.patch('resource.getrlimit')
+    def test_large_file_cache(self, getrlimit, setrlimit):
+        args = arvados_fuse.command.ArgumentParser().parse_args([
+            '--foreground', '--file-cache=256000000000', self.mntdir])
+        self.assertEqual(args.mode, None)
+        getrlimit.return_value = (1024, 1048576)
+        self.mnt = arvados_fuse.command.Mount(args)
+        setrlimit.assert_called_with(resource.RLIMIT_NOFILE, (30517, 1048576))
+
+    @noexit
+    @mock.patch('resource.setrlimit')
+    @mock.patch('resource.getrlimit')
+    def test_file_cache_hard_limit(self, getrlimit, setrlimit):
+        args = arvados_fuse.command.ArgumentParser().parse_args([
+            '--foreground', '--file-cache=256000000000', self.mntdir])
+        self.assertEqual(args.mode, None)
+        getrlimit.return_value = (1024, 2048)
+        self.mnt = arvados_fuse.command.Mount(args)
+        setrlimit.assert_called_with(resource.RLIMIT_NOFILE, (2048, 2048))
+
 class MountErrorTest(unittest.TestCase):
     def setUp(self):
         self.mntdir = tempfile.mkdtemp()