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- // Copyright 2014 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 storage
-
- import (
- "errors"
- "testing"
-
- "golang.org/x/net/context"
- "google.golang.org/api/googleapi"
- )
-
- func TestInvoke(t *testing.T) {
- t.Parallel()
- ctx := context.Background()
- // Time-based tests are flaky. We just make sure that invoke eventually
- // returns with the right error.
-
- for _, test := range []struct {
- count int // number of times to return retryable error
- retryCode int // error code for retryable error
- err error // error to return after count returns of retryCode
- }{
- {0, 0, nil},
- {0, 0, errors.New("foo")},
- {1, 429, nil},
- {1, 429, errors.New("bar")},
- {2, 518, nil},
- {2, 599, &googleapi.Error{Code: 428}},
- } {
- counter := 0
- call := func() error {
- counter++
- if counter <= test.count {
- return &googleapi.Error{Code: test.retryCode}
- }
- return test.err
- }
- got := runWithRetry(ctx, call)
- if got != test.err {
- t.Errorf("%v: got %v, want %v", test, got, test.err)
- }
- }
- }
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