func TestBackoff(t *testing.T) {
clock := fakeClock{}
backoff := CreatePodBackoffWithClock(1*time.Second, 60*time.Second, &clock)
tests := []struct {
podID ktypes.NamespacedName
expectedDuration time.Duration
advanceClock time.Duration
}{
{
podID: ktypes.NamespacedName{Namespace: "default", Name: "foo"},
expectedDuration: 1 * time.Second,
},
{
podID: ktypes.NamespacedName{Namespace: "default", Name: "foo"},
expectedDuration: 2 * time.Second,
},
{
podID: ktypes.NamespacedName{Namespace: "default", Name: "foo"},
expectedDuration: 4 * time.Second,
},
{
podID: ktypes.NamespacedName{Namespace: "default", Name: "bar"},
expectedDuration: 1 * time.Second,
advanceClock: 120 * time.Second,
},
// 'foo' should have been gc'd here.
{
podID: ktypes.NamespacedName{Namespace: "default", Name: "foo"},
expectedDuration: 1 * time.Second,
},
}
for _, test := range tests {
duration := backoff.GetEntry(test.podID).getBackoff(backoff.maxDuration)
if duration != test.expectedDuration {
t.Errorf("expected: %s, got %s for %s", test.expectedDuration.String(), duration.String(), test.podID)
}
clock.t = clock.t.Add(test.advanceClock)
backoff.Gc()
}
fooID := ktypes.NamespacedName{Namespace: "default", Name: "foo"}
backoff.perPodBackoff[fooID].backoff = 60 * time.Second
duration := backoff.GetEntry(fooID).getBackoff(backoff.maxDuration)
if duration != 60*time.Second {
t.Errorf("expected: 60, got %s", duration.String())
}
// Verify that we split on namespaces correctly, same name, different namespace
fooID.Namespace = "other"
duration = backoff.GetEntry(fooID).getBackoff(backoff.maxDuration)
if duration != 1*time.Second {
t.Errorf("expected: 1, got %s", duration.String())
}
}
func chooseServiceName(tc int, hint int) types.NamespacedName {
var svc types.NamespacedName
svc.Namespace = fmt.Sprintf("ns_%d", tc)
svc.Name = fmt.Sprintf("name_%d", hint)
return svc
}