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57 lines
1.4 KiB
57 lines
1.4 KiB
/* |
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* |
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* Copyright 2018 gRPC authors. |
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* |
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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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* |
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* http://www.apache.org/licenses/LICENSE-2.0 |
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* |
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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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*/ |
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package health |
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import ( |
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"context" |
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"errors" |
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"reflect" |
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"testing" |
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"time" |
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) |
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func TestClientHealthCheckBackoff(t *testing.T) { |
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const maxRetries = 5 |
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var want []time.Duration |
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for i := 0; i < maxRetries; i++ { |
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want = append(want, time.Duration(i+1)*time.Second) |
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} |
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var got []time.Duration |
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newStream := func() (interface{}, error) { |
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if len(got) < maxRetries { |
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return nil, errors.New("backoff") |
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} |
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return nil, nil |
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} |
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oldBackoffFunc := backoffFunc |
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backoffFunc = func(ctx context.Context, retries int) bool { |
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got = append(got, time.Duration(retries+1)*time.Second) |
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return true |
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} |
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defer func() { backoffFunc = oldBackoffFunc }() |
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clientHealthCheck(context.Background(), newStream, func(_ bool) {}, "test") |
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if !reflect.DeepEqual(got, want) { |
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t.Fatalf("Backoff durations for %v retries are %v. (expected: %v)", maxRetries, got, want) |
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} |
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}
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