| /* |
| Copyright 2015 Google LLC |
| |
| Licensed under the Apache License, Version 2.0 (the "License"); |
| you may not use this file except in compliance with the License. |
| You may obtain a copy of the License at |
| |
| http://www.apache.org/licenses/LICENSE-2.0 |
| |
| Unless required by applicable law or agreed to in writing, software |
| distributed under the License is distributed on an "AS IS" BASIS, |
| WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| See the License for the specific language governing permissions and |
| limitations under the License. |
| */ |
| package gax |
| |
| import ( |
| "context" |
| "testing" |
| "time" |
| |
| "google.golang.org/grpc/codes" |
| "google.golang.org/grpc/status" |
| ) |
| |
| func TestRandomizedDelays(t *testing.T) { |
| max := 200 * time.Millisecond |
| settings := []CallOption{ |
| WithRetryCodes([]codes.Code{codes.Unavailable, codes.DeadlineExceeded}), |
| WithDelayTimeoutSettings(10*time.Millisecond, max, 1.5), |
| } |
| |
| deadline := time.Now().Add(1 * time.Second) |
| ctx, _ := context.WithDeadline(context.Background(), deadline) |
| var invokeTime time.Time |
| _ = Invoke(ctx, func(childCtx context.Context) error { |
| // Keep failing, make sure we never slept more than max (plus a fudge factor) |
| if !invokeTime.IsZero() { |
| if got, want := time.Since(invokeTime), max; got > (want + 20*time.Millisecond) { |
| t.Logf("Slept too long. Got: %v, want: %v", got, max) |
| } |
| } |
| invokeTime = time.Now() |
| // Workaround for `go vet`: https://github.com/grpc/grpc-go/issues/90 |
| errf := status.Errorf |
| return errf(codes.Unavailable, "") |
| }, settings...) |
| } |