14965: Mocks FreshBase _poll_time to avoid comparing mock and int
[arvados.git] / services / fuse / tests / test_command_args.py
index bfefc674d7991dd80963a5d102a1bc757bc7bfb3..9f6555de33278efb1b83648826a17f527a85bc66 100644 (file)
@@ -1,20 +1,28 @@
+# Copyright (C) The Arvados Authors. All rights reserved.
+#
+# SPDX-License-Identifier: AGPL-3.0
+
+from __future__ import absolute_import
+from __future__ import print_function
 import arvados
 import arvados_fuse
 import arvados_fuse.command
 import contextlib
 import functools
+import io
 import json
 import llfuse
 import logging
+import mock
 import os
-import run_test_server
+from . import run_test_server
 import sys
 import tempfile
 import unittest
 
 def noexit(func):
     """If argparse or arvados_fuse tries to exit, fail the test instead"""
-    class SystemExitCaught(StandardError):
+    class SystemExitCaught(Exception):
         pass
     @functools.wraps(func)
     def wrapper(*args, **kwargs):
@@ -47,6 +55,14 @@ class MountArgsTest(unittest.TestCase):
             ent = ent[p]
         return ent
 
+    @contextlib.contextmanager
+    def stderrMatches(self, stderr):
+        orig, sys.stderr = sys.stderr, stderr
+        try:
+            yield
+        finally:
+            sys.stderr = orig
+
     def check_ent_type(self, cls, *path):
         ent = self.lookup(self.mnt, *path)
         self.assertEqual(ent.__class__, cls)
@@ -64,12 +80,12 @@ class MountArgsTest(unittest.TestCase):
         e = self.check_ent_type(arvados_fuse.MagicDirectory, 'by_id')
 
         e = self.check_ent_type(arvados_fuse.StringFile, 'README')
-        readme = e.readfrom(0, -1)
+        readme = e.readfrom(0, -1).decode()
         self.assertRegexpMatches(readme, r'active-user@arvados\.local')
         self.assertRegexpMatches(readme, r'\n$')
 
         e = self.check_ent_type(arvados_fuse.StringFile, 'by_id', 'README')
-        txt = e.readfrom(0, -1)
+        txt = e.readfrom(0, -1).decode()
         self.assertRegexpMatches(txt, r'portable data hash')
         self.assertRegexpMatches(txt, r'\n$')
 
@@ -82,6 +98,7 @@ class MountArgsTest(unittest.TestCase):
         self.mnt = arvados_fuse.command.Mount(args)
         e = self.check_ent_type(arvados_fuse.MagicDirectory)
         self.assertEqual(e.pdh_only, False)
+        self.assertEqual(True, self.mnt.listen_for_events)
 
     @noexit
     def test_by_pdh(self):
@@ -92,6 +109,7 @@ class MountArgsTest(unittest.TestCase):
         self.mnt = arvados_fuse.command.Mount(args)
         e = self.check_ent_type(arvados_fuse.MagicDirectory)
         self.assertEqual(e.pdh_only, True)
+        self.assertEqual(False, self.mnt.listen_for_events)
 
     @noexit
     def test_by_tag(self):
@@ -101,6 +119,7 @@ class MountArgsTest(unittest.TestCase):
         self.assertEqual(args.mode, 'by_tag')
         self.mnt = arvados_fuse.command.Mount(args)
         e = self.check_ent_type(arvados_fuse.TagsDirectory)
+        self.assertEqual(True, self.mnt.listen_for_events)
 
     @noexit
     def test_collection(self, id_type='uuid'):
@@ -112,6 +131,7 @@ class MountArgsTest(unittest.TestCase):
         self.mnt = arvados_fuse.command.Mount(args)
         e = self.check_ent_type(arvados_fuse.CollectionDirectory)
         self.assertEqual(e.collection_locator, cid)
+        self.assertEqual(id_type == 'uuid', self.mnt.listen_for_events)
 
     def test_collection_pdh(self):
         self.test_collection('portable_data_hash')
@@ -126,6 +146,7 @@ class MountArgsTest(unittest.TestCase):
         e = self.check_ent_type(arvados_fuse.ProjectDirectory)
         self.assertEqual(e.project_object['uuid'],
                          run_test_server.fixture('users')['active']['uuid'])
+        self.assertEqual(True, self.mnt.listen_for_events)
 
     def test_mutually_exclusive_args(self):
         cid = run_test_server.fixture('collections')['public_text_file']['uuid']
@@ -162,9 +183,41 @@ class MountArgsTest(unittest.TestCase):
         e = self.check_ent_type(arvados_fuse.SharedDirectory)
         self.assertEqual(e.current_user['uuid'],
                          run_test_server.fixture('users')['active']['uuid'])
+        self.assertEqual(True, self.mnt.listen_for_events)
+
+    def test_version_argument(self):
+        # The argparse version action prints to stderr in Python 2 and stdout
+        # in Python 3.4 and up. Write both to the same stream so the test can pass 
+        # in both cases. 
+        origerr = sys.stderr
+        origout = sys.stdout
+        sys.stderr = io.StringIO()
+        sys.stdout = sys.stderr
+
+        with self.assertRaises(SystemExit):
+            args = arvados_fuse.command.ArgumentParser().parse_args(['--version'])
+        self.assertRegexpMatches(sys.stdout.getvalue(), "[0-9]+\.[0-9]+\.[0-9]+")
+        sys.stderr.close()
+        sys.stderr = origerr
+        sys.stdout = origout
+
+    @noexit
+    @mock.patch('arvados.events.subscribe')
+    def test_disable_event_listening(self, mock_subscribe):
+        args = arvados_fuse.command.ArgumentParser().parse_args([
+            '--disable-event-listening',
+            '--by-id',
+            '--foreground', self.mntdir])
+        self.mnt = arvados_fuse.command.Mount(args)
+        self.assertEqual(True, self.mnt.listen_for_events)
+        self.assertEqual(True, self.mnt.args.disable_event_listening)
+        with self.mnt:
+            pass
+        self.assertEqual(0, mock_subscribe.call_count)
 
     @noexit
-    def test_custom(self):
+    @mock.patch('arvados.events.subscribe')
+    def test_custom(self, mock_subscribe):
         args = arvados_fuse.command.ArgumentParser().parse_args([
             '--mount-tmp', 'foo',
             '--mount-tmp', 'bar',
@@ -178,6 +231,24 @@ class MountArgsTest(unittest.TestCase):
         e = self.check_ent_type(arvados_fuse.ProjectDirectory, 'my_home')
         self.assertEqual(e.project_object['uuid'],
                          run_test_server.fixture('users')['active']['uuid'])
+        self.assertEqual(True, self.mnt.listen_for_events)
+        with self.mnt:
+            pass
+        self.assertEqual(1, mock_subscribe.call_count)
+
+    @noexit
+    @mock.patch('arvados.events.subscribe')
+    def test_custom_no_listen(self, mock_subscribe):
+        args = arvados_fuse.command.ArgumentParser().parse_args([
+            '--mount-by-pdh', 'pdh',
+            '--mount-tmp', 'foo',
+            '--mount-tmp', 'bar',
+            '--foreground', self.mntdir])
+        self.mnt = arvados_fuse.command.Mount(args)
+        self.assertEqual(False, self.mnt.listen_for_events)
+        with self.mnt:
+            pass
+        self.assertEqual(0, mock_subscribe.call_count)
 
     def test_custom_unsupported_layouts(self):
         for name in ['.', '..', '', 'foo/bar', '/foo']: