Esempio n. 1
0
func (s *txnSuite) TestRetryHooks(c *gc.C) {
	s.insertDoc(c, "1", "Foo")
	defer txntesting.SetRetryHooks(c, s.txnRunner, func() {
		s.setDocName(c, "1", "Bar")
	}, func() {
		s.setDocName(c, "1", "Foo")
	}).Check()

	maxAttempt := 0
	buildTxn := func(attempt int) ([]txn.Op, error) {
		maxAttempt = attempt
		ops := []txn.Op{{
			C:      s.collection.Name,
			Id:     "1",
			Assert: bson.D{{"name", "Foo"}},
			Update: bson.D{{"$set", bson.D{{"name", "FooBar"}}}},
		}}
		return ops, nil
	}
	err := s.txnRunner.Run(buildTxn)
	c.Assert(err, gc.IsNil)
	c.Assert(maxAttempt, gc.Equals, 2)
	var found simpleDoc
	err = s.collection.FindId("1").One(&found)
	c.Assert(err, gc.IsNil)
	doc := simpleDoc{"1", "FooBar"}
	c.Assert(found, gc.DeepEquals, doc)
}
Esempio n. 2
0
func SetRetryHooks(c *gc.C, st *State, block, check func()) txntesting.TransactionChecker {
	return txntesting.SetRetryHooks(c, st.transactionRunner, block, check)
}