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