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From 42e111c7d8f1cdb5d51a1c4f2ce5c64c3d3471f1 Mon Sep 17 00:00:00 2001
From: Thomas Morin <thomas.morin@orange.com>
Date: Wed, 17 Jun 2020 18:08:49 +0200
Subject: [PATCH] object storage: fix and cleanup header checks
As explained in [1] it is not legitimate to require a Transfer-Encoding
header in Swift responses. That prevents running some tests
successfully in the case where Swift is behind a proxy/load-balancer
that does not use any Transfer-Encoding in its responses.
This change hence removes the checks for the presence of a
"Transfer-Encoding" header, and replaces them by the use
of the existing check methods, after modifying the
custom_matcher checks on which these methods rely on to accept
either a Content-Length or a Transfer-Encoding header.
Some adaptation was also required to avoid trying to process 'etag'
for DELETE requests.
A side-effect of this change is a code simplification and
cleanup since the specific header checks in the corresponding
tests are replaced by the generic check methods.
[1] https://bugs.launchpad.net/tempest/+bug/1819851/comments/3
Closes-Bug: 1819851
Change-Id: Iaccea41640a53b564f72cee73981e2e61d3e80ae
---
.../api/object_storage/test_account_bulk.py | 37 ++-----------------
tempest/api/object_storage/test_object_slo.py | 13 +------
tempest/common/custom_matchers.py | 16 +++++++-
3 files changed, 19 insertions(+), 47 deletions(-)
diff --git a/tempest/api/object_storage/test_account_bulk.py b/tempest/api/object_storage/test_account_bulk.py
index 6599e432f..80f790f51 100644
--- a/tempest/api/object_storage/test_account_bulk.py
+++ b/tempest/api/object_storage/test_account_bulk.py
@@ -16,7 +16,6 @@ import tarfile
import tempfile
from tempest.api.object_storage import base
-from tempest.common import custom_matchers
from tempest.common import utils
from tempest.lib import decorators
@@ -76,17 +75,7 @@ class BulkTest(base.BaseObjectTest):
resp = self._upload_archive(filepath)
self.containers.append(container_name)
- # When uploading an archived file with the bulk operation, the response
- # does not contain 'content-length' header. This is the special case,
- # therefore the existence of response headers is checked without
- # custom matcher.
- self.assertIn('transfer-encoding', resp.response)
- self.assertIn('content-type', resp.response)
- self.assertIn('x-trans-id', resp.response)
- self.assertIn('date', resp.response)
-
- # Check only the format of common headers with custom matcher
- self.assertThat(resp.response, custom_matchers.AreAllWellFormatted())
+ self.assertHeaders(resp.response, 'Account', 'PUT')
param = {'format': 'json'}
resp, body = self.account_client.list_account_containers(param)
@@ -113,17 +102,7 @@ class BulkTest(base.BaseObjectTest):
data = '%s/%s\n%s' % (container_name, object_name, container_name)
resp = self.bulk_client.delete_bulk_data(data=data)
- # When deleting multiple files using the bulk operation, the response
- # does not contain 'content-length' header. This is the special case,
- # therefore the existence of response headers is checked without
- # custom matcher.
- self.assertIn('transfer-encoding', resp.response)
- self.assertIn('content-type', resp.response)
- self.assertIn('x-trans-id', resp.response)
- self.assertIn('date', resp.response)
-
- # Check only the format of common headers with custom matcher
- self.assertThat(resp.response, custom_matchers.AreAllWellFormatted())
+ self.assertHeaders(resp.response, 'Account', 'DELETE')
# Check if uploaded contents are completely deleted
self._check_contents_deleted(container_name)
@@ -139,17 +118,7 @@ class BulkTest(base.BaseObjectTest):
resp = self.bulk_client.delete_bulk_data_with_post(data=data)
- # When deleting multiple files using the bulk operation, the response
- # does not contain 'content-length' header. This is the special case,
- # therefore the existence of response headers is checked without
- # custom matcher.
- self.assertIn('transfer-encoding', resp.response)
- self.assertIn('content-type', resp.response)
- self.assertIn('x-trans-id', resp.response)
- self.assertIn('date', resp.response)
-
- # Check only the format of common headers with custom matcher
- self.assertThat(resp.response, custom_matchers.AreAllWellFormatted())
+ self.assertHeaders(resp.response, 'Account', 'POST')
# Check if uploaded contents are completely deleted
self._check_contents_deleted(container_name)
diff --git a/tempest/api/object_storage/test_object_slo.py b/tempest/api/object_storage/test_object_slo.py
index c66776e4e..8bb2e6e4b 100644
--- a/tempest/api/object_storage/test_object_slo.py
+++ b/tempest/api/object_storage/test_object_slo.py
@@ -17,7 +17,6 @@ import hashlib
from oslo_serialization import jsonutils as json
from tempest.api.object_storage import base
-from tempest.common import custom_matchers
from tempest.common import utils
from tempest.lib.common.utils import data_utils
from tempest.lib.common.utils import test_utils
@@ -160,17 +159,7 @@ class ObjectSloTest(base.BaseObjectTest):
object_name,
params=params_del)
- # When deleting SLO using multipart manifest, the response contains
- # not 'content-length' but 'transfer-encoding' header. This is the
- # special case, therefore the existence of response headers is checked
- # outside of custom matcher.
- self.assertIn('transfer-encoding', resp)
- self.assertIn('content-type', resp)
- self.assertIn('x-trans-id', resp)
- self.assertIn('date', resp)
-
- # Check only the format of common headers with custom matcher
- self.assertThat(resp, custom_matchers.AreAllWellFormatted())
+ self.assertHeaders(resp, 'Object', 'DELETE')
resp, body = self.container_client.list_container_objects(
self.container_name)
diff --git a/tempest/common/custom_matchers.py b/tempest/common/custom_matchers.py
index c702d8896..f1adeab64 100644
--- a/tempest/common/custom_matchers.py
+++ b/tempest/common/custom_matchers.py
@@ -62,8 +62,9 @@ class ExistsAllResponseHeaders(object):
# [1] https://bugs.launchpad.net/swift/+bug/1537811
# [2] http://tracker.ceph.com/issues/13582
if ('content-length' not in actual and
+ 'transfer-encoding' not in actual and
self._content_length_required(actual)):
- return NonExistentHeader('content-length')
+ return NonExistentHeaders(['content-length', 'transfer-encoding'])
if 'content-type' not in actual:
return NonExistentHeader('content-type')
if 'x-trans-id' not in actual:
@@ -192,6 +193,19 @@ class NonExistentHeader(object):
return {}
+class NonExistentHeaders(object):
+ """Informs an error message in the case of missing certain headers"""
+
+ def __init__(self, headers):
+ self.headers = headers
+
+ def describe(self):
+ return "none of these headers exist: %s" % self.headers
+
+ def get_details(self):
+ return {}
+
+
class InvalidHeaderValue(object):
"""Informs an error message when a header contains a bad value"""
--
2.27.0
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