[Patchew-devel] [PATCH] testing: Fix invalidation of prefetch cache upon set_property
Fam Zheng
famz at redhat.com
Wed Mar 21 14:07:44 UTC 2018
"testing.ready" didn't work due to the stale cache of
Message._properties, since Message._properties cannot reflect the
.set_property() updates.
Fix it with a harder invalidating code path.
Signed-off-by: Fam Zheng <famz at redhat.com>
---
api/models.py | 14 ++++++++++----
tests/test_testing.py | 3 +++
2 files changed, 13 insertions(+), 4 deletions(-)
diff --git a/api/models.py b/api/models.py
index de01a61..a672bd4 100644
--- a/api/models.py
+++ b/api/models.py
@@ -408,9 +408,15 @@ class Message(models.Model):
def get_properties(self):
if hasattr(self, '_properties'):
- return self._properties
+ if self._properties is not None:
+ return self._properties
+ else:
+ # The prefetch cache is invalidated, query again
+ all_props = MessageProperty.objects.filter(message=self)
+ else:
+ all_props = self.properties.all()
r = {}
- for m in self.properties.all():
+ for m in all_props:
if m.blob:
r[m.name] = load_blob_json(m.value)
else:
@@ -434,8 +440,8 @@ class Message(models.Model):
mp.value = value
mp.blob = blob
mp.save()
- if hasattr(self, '_properties'):
- del(self._properties)
+ # Invalidate cache
+ self._properties = None
def set_property(self, prop, value):
old_val = self.get_property(prop)
diff --git a/tests/test_testing.py b/tests/test_testing.py
index 0897bbc..dcb3dbc 100755
--- a/tests/test_testing.py
+++ b/tests/test_testing.py
@@ -43,6 +43,9 @@ class TestingTest(PatchewTestCase):
self.msg.set_property("git.tag", "dummy tag")
self.msg.set_property("git.base", "dummy base")
+ def test_testing_ready(self):
+ self.assertTrue(self.msg.get_property("testing.ready", True))
+
def msg_testing_done(self, log=None, **report):
if not 'passed' in report:
report['passed'] = True
--
2.14.3
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