Files
mesh-controller/cmd/mesh-controller/rollout_silent_bus_test.go
T

40 lines
1.2 KiB
Go

package main
import (
"testing"
"time"
)
// silentOnABus is the rollout's silent keys on a real bus, and the waits its watcher heard expire.
func hearsSilent(t *testing.T, heard <-chan silentWait, within time.Duration) (silentWait, bool) {
t.Helper()
select {
case w := <-heard:
return w, true
case <-time.After(within):
return silentWait{}, false
}
}
// A machine that never reports on its send is named silent when its key expires (issue 974, novox/hq ADR 0406 §5):
// the watcher names the plan, the tier and the machine, which a plan id or a machine name with a dot does not blur.
// A machine that reports in time is never named silent: the report deletes the key, and a delete is not an expiry.
// A send made again to a machine puts its key again with the full time, and only the last send's key can expire.
func TestASilentKeyIsParsedFromTheRightOfTheNode(t *testing.T) {
for _, w := range []silentWait{{"plan-1", 0, "ace"}, {"a.b", 12, "g14"}} {
got, ok := parseSilentKey(silentKey(w))
if !ok || got != w {
t.Errorf("%+v became %+v (%v)", w, got, ok)
}
}
for _, bad := range []string{"", "plan", "plan.x.ace", "plan..ace", ".1.ace"} {
if _, ok := parseSilentKey(bad); ok {
t.Errorf("%q was read as a wait", bad)
}
}
}