storj/satellite/repair/queue/queue_test.go

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2019-01-24 20:15:10 +00:00
// Copyright (C) 2019 Storj Labs, Inc.
// See LICENSE for copying information.
package queue_test
import (
"sort"
"strconv"
"testing"
"github.com/stretchr/testify/require"
"storj.io/common/errs2"
"storj.io/common/pb"
"storj.io/common/testcontext"
"storj.io/storj/satellite"
"storj.io/storj/satellite/satellitedb/satellitedbtest"
"storj.io/storj/storage"
)
func TestInsertSelect(t *testing.T) {
satellitedbtest.Run(t, func(ctx *testcontext.Context, t *testing.T, db satellite.DB) {
q := db.RepairQueue()
seg := &pb.InjuredSegment{
Path: []byte("abc"),
LostPieces: []int32{int32(1), int32(3)},
}
err := q.Insert(ctx, seg)
require.NoError(t, err)
s, err := q.Select(ctx)
require.NoError(t, err)
err = q.Delete(ctx, s)
require.NoError(t, err)
require.True(t, pb.Equal(s, seg))
})
}
func TestInsertDuplicate(t *testing.T) {
satellitedbtest.Run(t, func(ctx *testcontext.Context, t *testing.T, db satellite.DB) {
q := db.RepairQueue()
seg := &pb.InjuredSegment{
Path: []byte("abc"),
LostPieces: []int32{int32(1), int32(3)},
}
err := q.Insert(ctx, seg)
require.NoError(t, err)
err = q.Insert(ctx, seg)
require.NoError(t, err)
})
}
func TestDequeueEmptyQueue(t *testing.T) {
satellitedbtest.Run(t, func(ctx *testcontext.Context, t *testing.T, db satellite.DB) {
q := db.RepairQueue()
_, err := q.Select(ctx)
require.Error(t, err)
require.True(t, storage.ErrEmptyQueue.Has(err), "error should of class EmptyQueue")
})
}
func TestSequential(t *testing.T) {
satellitedbtest.Run(t, func(ctx *testcontext.Context, t *testing.T, db satellite.DB) {
q := db.RepairQueue()
const N = 100
var addSegs []*pb.InjuredSegment
for i := 0; i < N; i++ {
seg := &pb.InjuredSegment{
Path: []byte(strconv.Itoa(i)),
LostPieces: []int32{int32(i)},
}
err := q.Insert(ctx, seg)
require.NoError(t, err)
addSegs = append(addSegs, seg)
}
list, err := q.SelectN(ctx, N)
require.NoError(t, err)
require.Len(t, list, N)
sort.SliceStable(list, func(i, j int) bool { return list[i].LostPieces[0] < list[j].LostPieces[0] })
for i := 0; i < N; i++ {
require.True(t, pb.Equal(addSegs[i], &list[i]))
}
// TODO: fix out of order issue
for i := 0; i < N; i++ {
s, err := q.Select(ctx)
require.NoError(t, err)
err = q.Delete(ctx, s)
require.NoError(t, err)
expected := s.LostPieces[0]
require.True(t, pb.Equal(addSegs[expected], s))
}
})
}
func TestParallel(t *testing.T) {
satellitedbtest.Run(t, func(ctx *testcontext.Context, t *testing.T, db satellite.DB) {
q := db.RepairQueue()
const N = 100
entries := make(chan *pb.InjuredSegment, N)
var inserts errs2.Group
// Add to queue concurrently
for i := 0; i < N; i++ {
i := i
inserts.Go(func() error {
return q.Insert(ctx, &pb.InjuredSegment{
Path: []byte(strconv.Itoa(i)),
LostPieces: []int32{int32(i)},
})
})
}
require.Empty(t, inserts.Wait(), "unexpected queue.Insert errors")
// Remove from queue concurrently
var remove errs2.Group
for i := 0; i < N; i++ {
remove.Go(func() error {
s, err := q.Select(ctx)
if err != nil {
return err
}
err = q.Delete(ctx, s)
if err != nil {
return err
}
entries <- s
return nil
})
}
require.Empty(t, remove.Wait(), "unexpected queue.Select/Delete errors")
close(entries)
var items []*pb.InjuredSegment
for segment := range entries {
items = append(items, segment)
}
sort.Slice(items, func(i, k int) bool {
return items[i].LostPieces[0] < items[k].LostPieces[0]
})
// check if the enqueued and dequeued elements match
for i := 0; i < N; i++ {
require.Equal(t, items[i].LostPieces[0], int32(i))
}
})
}