mirror of https://github.com/perkeep/perkeep.git
87 lines
2.1 KiB
Go
87 lines
2.1 KiB
Go
/*
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Copyright 2014 The Perkeep Authors
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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 blobserver_test
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import (
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"context"
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"errors"
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"strconv"
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"testing"
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"perkeep.org/pkg/blob"
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"perkeep.org/pkg/blobserver"
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"perkeep.org/pkg/blobserver/storagetest"
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"perkeep.org/pkg/test"
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)
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type staticStreamer []*blob.Blob
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func (s staticStreamer) StreamBlobs(ctx context.Context, dest chan<- blobserver.BlobAndToken, contToken string) error {
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defer close(dest)
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var pos int
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if contToken != "" {
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var err error
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pos, err = strconv.Atoi(contToken)
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if err != nil || pos < 0 || pos >= len(s) {
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return errors.New("invalid token")
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}
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s = s[pos:]
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}
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for len(s) > 0 {
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select {
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case dest <- blobserver.BlobAndToken{Blob: s[0], Token: strconv.Itoa(pos)}:
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pos++
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s = s[1:]
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case <-ctx.Done():
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return ctx.Err()
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}
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}
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return nil
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}
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func TestStaticStreamer(t *testing.T) {
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var blobs []*blob.Blob
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var want []blob.SizedRef
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for i := 0; i < 5; i++ {
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tb := &test.Blob{strconv.Itoa(i)}
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b := tb.Blob()
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blobs = append(blobs, b)
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want = append(want, b.SizedRef())
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}
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bs := staticStreamer(blobs)
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storagetest.TestStreamer(t, bs, storagetest.WantSizedRefs(want))
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}
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func TestMultiStreamer(t *testing.T) {
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var streamers []blobserver.BlobStreamer
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var want []blob.SizedRef
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n := 0
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for st := 0; st < 3; st++ {
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var blobs []*blob.Blob
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for i := 0; i < 3; i++ {
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n++
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tb := &test.Blob{strconv.Itoa(n)}
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b := tb.Blob()
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want = append(want, b.SizedRef()) // overall
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blobs = append(blobs, b) // this sub-streamer
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}
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streamers = append(streamers, staticStreamer(blobs))
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}
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storagetest.TestStreamer(t, blobserver.NewMultiBlobStreamer(streamers...), storagetest.WantSizedRefs(want))
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}
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