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package recovery
import (
"math"
"testing"
"github.com/centrifugal/protocol"
"github.com/stretchr/testify/require"
)
func TestUnique(t *testing.T) {
pubs := []*protocol.Publication{
{Offset: 101},
{Offset: 102},
{Offset: 100},
{Offset: 101},
{Offset: 99},
{Offset: 98},
}
pubs = uniquePublications(pubs)
require.Equal(t, 5, len(pubs))
}
func TestUint64Sequence(t *testing.T) {
s := PackUint64(0, 0)
require.Equal(t, uint64(0), s)
s = PackUint64(1, 0)
require.Equal(t, uint64(1), s)
s = PackUint64(0, 1)
require.Equal(t, uint64(1<<32-1), s)
s = PackUint64(1, 1)
require.Equal(t, uint64(1<<32), s)
}
func TestMergePublicationsNoBuffered(t *testing.T) {
recoveredPubs := []*protocol.Publication{
{Offset: 1},
{Offset: 2},
}
pubs, ok := MergePublications(recoveredPubs, nil, false)
require.True(t, ok)
require.Len(t, pubs, 2)
}
func TestMergePublicationsBuffered(t *testing.T) {
recoveredPubs := []*protocol.Publication{
{Offset: 1},
{Offset: 2},
}
bufferedPubs := []*protocol.Publication{
{Offset: 3},
}
pubs, ok := MergePublications(recoveredPubs, bufferedPubs, false)
require.True(t, ok)
require.Len(t, pubs, 3)
}
func TestMergePublicationsOrder(t *testing.T) {
recoveredPubs := []*protocol.Publication{
{Offset: 1},
{Offset: 2},
}
bufferedPubs := []*protocol.Publication{
{Offset: 3},
}
pubs, ok := MergePublications(recoveredPubs, bufferedPubs, true)
require.True(t, ok)
require.Len(t, pubs, 3)
require.True(t, pubs[0].Offset > pubs[1].Offset)
pubs, ok = MergePublications(recoveredPubs, bufferedPubs, false)
require.True(t, ok)
require.Len(t, pubs, 3)
require.True(t, pubs[0].Offset < pubs[1].Offset)
}
func TestUnpackUint64(t *testing.T) {
seq, gen := UnpackUint64(1)
require.Equal(t, uint32(1), seq)
require.Equal(t, uint32(0), gen)
seq, gen = UnpackUint64(math.MaxUint64)
require.Equal(t, uint32(math.MaxUint32), seq)
require.Equal(t, uint32(math.MaxUint32), gen)
seq, gen = UnpackUint64(math.MaxUint32 + 1)
require.Equal(t, uint32(0), seq)
require.Equal(t, uint32(1), gen)
}
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