125 lines
2.9 KiB
Go
125 lines
2.9 KiB
Go
// Copyright (C) 2019 Storj Labs, Inc.
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// See LICENSE for copying information.
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package audit
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import (
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"context"
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"testing"
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"github.com/stretchr/testify/require"
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"golang.org/x/sync/errgroup"
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"storj.io/common/errs2"
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"storj.io/common/testcontext"
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"storj.io/common/testrand"
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"storj.io/storj/satellite/metabase"
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)
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func TestQueues(t *testing.T) {
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ctx := testcontext.New(t)
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defer ctx.Cleanup()
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queues := NewQueues()
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q := queues.Fetch()
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_, err := q.Next()
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require.True(t, ErrEmptyQueue.Has(err), "required ErrEmptyQueue error")
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testQueue1 := []Segment{testSegment(), testSegment(), testSegment()}
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err = queues.Push(testQueue1)
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require.NoError(t, err)
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err = queues.WaitForSwap(ctx)
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require.NoError(t, err)
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q = queues.Fetch()
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for _, expected := range testQueue1 {
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actual, err := q.Next()
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require.NoError(t, err)
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require.EqualValues(t, expected, actual)
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}
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require.Zero(t, q.Size())
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}
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func TestQueuesPush(t *testing.T) {
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ctx := testcontext.New(t)
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defer ctx.Cleanup()
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queues := NewQueues()
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// when next queue is empty, WaitForSwap should return immediately
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testQueue1 := []Segment{testSegment(), testSegment(), testSegment()}
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err := queues.Push(testQueue1)
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require.NoError(t, err)
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err = queues.WaitForSwap(ctx)
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require.NoError(t, err)
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// second call to WaitForSwap should block until Fetch is called the first time
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testQueue2 := []Segment{testSegment(), testSegment()}
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err = queues.Push(testQueue2)
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require.NoError(t, err)
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var group errgroup.Group
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group.Go(func() error {
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return queues.WaitForSwap(ctx)
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})
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q := queues.Fetch()
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for _, expected := range testQueue1 {
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actual, err := q.Next()
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require.NoError(t, err)
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require.EqualValues(t, expected, actual)
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}
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// second call to Fetch should return testQueue2
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q = queues.Fetch()
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item, err := q.Next()
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require.NoError(t, err)
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require.EqualValues(t, testQueue2[0], item)
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require.Equal(t, len(testQueue2)-1, q.Size())
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err = group.Wait()
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require.NoError(t, err)
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}
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func TestQueuesPushCancel(t *testing.T) {
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ctx := testcontext.New(t)
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defer ctx.Cleanup()
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queues := NewQueues()
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// when queue is empty, WaitForSwap should return immediately
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testQueue1 := []Segment{testSegment(), testSegment(), testSegment()}
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err := queues.Push(testQueue1)
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require.NoError(t, err)
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err = queues.WaitForSwap(ctx)
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require.NoError(t, err)
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ctxWithCancel, cancel := context.WithCancel(ctx)
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testQueue2 := []Segment{testSegment(), testSegment()}
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err = queues.Push(testQueue2)
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require.NoError(t, err)
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var group errgroup.Group
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group.Go(func() error {
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err = queues.WaitForSwap(ctxWithCancel)
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require.True(t, errs2.IsCanceled(err))
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return nil
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})
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// make sure a concurrent call to Push fails
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err = queues.Push(testQueue2)
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require.True(t, ErrPendingQueueInProgress.Has(err))
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cancel()
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err = group.Wait()
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require.NoError(t, err)
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}
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func testSegment() Segment {
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return Segment{
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StreamID: testrand.UUID(),
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Position: metabase.SegmentPosition{
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Index: uint32(testrand.Intn(100)),
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},
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}
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}
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