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consumer: return descriptive error when a nil state is passed into NewJSONFileStore #245

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consumer: return descriptive error when a nil state is passed into NewJSONFileStore #245

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cd21308
return descriptive error when a nil state is passed into JSONFileStore
Dec 4, 2019
942b89f
- add test
Dec 18, 2019
d1b498f
- extra nil check
Dec 18, 2019
8555b58
- nit
Dec 18, 2019
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3 changes: 3 additions & 0 deletions consumer/store_json_file.go
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Original file line number Diff line number Diff line change
Expand Up @@ -33,6 +33,9 @@ var _ Store = &JSONFileStore{} // JSONFileStore is-a Store.
// of the Store's state, which is decoded into, encoded from, and retained
// as JSONFileState.State.
func NewJSONFileStore(rec *recoverylog.Recorder, state interface{}) (*JSONFileStore, error) {
if state == nil {
return nil, errors.New("state must not be nil")
}
var store = &JSONFileStore{
State: state,
fs: recoverylog.RecordedAferoFS{Recorder: rec, Fs: afero.NewOsFs()},
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