18842: Use tempdir for cache directory in tests

[arvados.git] / sdk / python / tests / arvados_testutil.py

diff --git a/sdk/python/tests/arvados_testutil.py b/sdk/python/tests/arvados_testutil.py
index 23f00b64158e230b0ac85064ec88d88b10acd149..00356597965fb09e61c12b84781475aa681aa46e 100644 (file)
--- a/sdk/python/tests/arvados_testutil.py
+++ b/sdk/python/tests/arvados_testutil.py
@@ -1,4 +1,6 @@
-#!/usr/bin/env python
+# Copyright (C) The Arvados Authors. All rights reserved.
+#
+# SPDX-License-Identifier: Apache-2.0
 
 from future import standard_library
 standard_library.install_aliases()
@@ -22,9 +24,10 @@ import tempfile
 import unittest
 
 if sys.version_info >= (3, 0):
-    from io import StringIO
+    from io import StringIO, BytesIO
 else:
     from cStringIO import StringIO
+    BytesIO = StringIO
 
 # Use this hostname when you want to make sure the traffic will be
 # instantly refused.  100::/64 is a dedicated black hole.
@@ -90,7 +93,7 @@ class VersionChecker(object):
             # Python 2 writes version info on stderr.
             self.assertEqual(out.getvalue(), '')
             v = err.getvalue()
-        self.assertRegexpMatches(v, "[0-9]+\.[0-9]+\.[0-9]+$\n")
+        self.assertRegex(v, r"[0-9]+\.[0-9]+\.[0-9]+(\.dev[0-9]+)?$\n")
 
 
 class FakeCurl(object):
@@ -187,7 +190,13 @@ class MockStreamReader(object):
 
 class ApiClientMock(object):
     def api_client_mock(self):
-        return mock.MagicMock(name='api_client_mock')
+        api_mock = mock.MagicMock(name='api_client_mock')
+        api_mock.config.return_value = {
+            'StorageClasses': {
+                'default': {'Default': True}
+            }
+        }
+        return api_mock
 
     def mock_keep_services(self, api_mock=None, status=200, count=12,
                            service_type='disk',
@@ -261,3 +270,40 @@ class ArvadosBaseTestCase(unittest.TestCase):
         testfile.write(text)
         testfile.flush()
         return testfile
+
+if sys.version_info < (3, 0):
+    # There is no assert[Not]Regex that works in both Python 2 and 3,
+    # so we backport Python 3 style to Python 2.
+    def assertRegex(self, *args, **kwargs):
+        return self.assertRegexpMatches(*args, **kwargs)
+    def assertNotRegex(self, *args, **kwargs):
+        return self.assertNotRegexpMatches(*args, **kwargs)
+    unittest.TestCase.assertRegex = assertRegex
+    unittest.TestCase.assertNotRegex = assertNotRegex
+
+def binary_compare(a, b):
+    if len(a) != len(b):
+        return False
+    for i in range(0, len(a)):
+        if a[i] != b[i]:
+            return False
+    return True
+
+def make_block_cache(disk_cache):
+    if disk_cache:
+        disk_cache_dir = os.path.join(os.path.expanduser("~"), ".cache", "arvados", "keep")
+        shutil.rmtree(disk_cache_dir, ignore_errors=True)
+    block_cache = arvados.keep.KeepBlockCache(disk_cache=disk_cache)
+    return block_cache
+
+
+class DiskCacheBase:
+    def make_block_cache(self, disk_cache):
+        self.disk_cache_dir = tempfile.mkdtemp() if disk_cache else None
+        block_cache = arvados.keep.KeepBlockCache(disk_cache=disk_cache,
+                                                  disk_cache_dir=self.disk_cache_dir)
+        return block_cache
+
+    def tearDown(self):
+        if self.disk_cache_dir:
+            shutil.rmtree(self.disk_cache_dir)