func (s *RethinkSuite) TestClusterNodeHealth(c *test.C) {
session, err := Connect(ConnectOpts{
Addresses: []string{url, url2, url3},
DiscoverHosts: true,
NodeRefreshInterval: time.Second,
MaxIdle: 50,
MaxOpen: 200,
})
c.Assert(err, test.IsNil)
attempts := 0
failed := 0
seconds := 0
t := time.NewTimer(time.Second * 10)
tick := time.NewTicker(time.Second)
for {
select {
// Fail if deadline has passed
case <-tick.C:
seconds++
c.Logf("%ds elapsed", seconds)
case <-t.C:
// Execute queries for 10s and check that at most 5% of the queries fail
c.Logf("%d of the %d(%d%%) queries failed", failed, attempts, (failed / attempts))
c.Assert(failed <= 100, test.Equals, true)
return
default:
attempts++
if err := Expr(1).Exec(session); err != nil {
c.Logf("Query failed, %s", err)
failed++
}
}
}
}