mirror of
https://github.com/livekit/livekit.git
synced 2026-09-01 22:19:03 +00:00
58 lines
1.8 KiB
Go
58 lines
1.8 KiB
Go
package rtc
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import (
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"testing"
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"time"
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"github.com/stretchr/testify/require"
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"github.com/livekit/protocol/livekit"
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)
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func TestMigrationDataCache_Add(t *testing.T) {
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expiredAt := time.Now().Add(100 * time.Millisecond)
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cache := NewMigrationDataCache(10, expiredAt)
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pkt1 := &livekit.DataPacket{Sequence: 9}
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state := cache.Add(pkt1, 0)
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require.Equal(t, MigrationDataCacheStateWaiting, state)
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require.Empty(t, cache.Get())
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pkt2 := &livekit.DataPacket{Sequence: 11}
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state = cache.Add(pkt2, 0)
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require.Equal(t, MigrationDataCacheStateDone, state)
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require.Empty(t, cache.Get())
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pkt3 := &livekit.DataPacket{Sequence: 12}
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state = cache.Add(pkt3, 0)
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require.Equal(t, MigrationDataCacheStateDone, state)
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require.Empty(t, cache.Get())
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cache2 := NewMigrationDataCache(20, time.Now().Add(10*time.Millisecond))
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pkt4 := &livekit.DataPacket{Sequence: 22}
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time.Sleep(20 * time.Millisecond)
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state = cache2.Add(pkt4, 0)
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require.Equal(t, MigrationDataCacheStateTimeout, state)
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require.Len(t, cache2.Get(), 1)
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require.Equal(t, uint32(22), cache2.Get()[0].Sequence)
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}
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func TestMigrationDataCache_MaxSize(t *testing.T) {
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// the cache should not grow past the size budget even if the expiry is far in the future
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cache := NewMigrationDataCache(10, time.Now().Add(time.Minute))
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pktSize := 1000
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seq := uint32(12)
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state := MigrationDataCacheStateWaiting
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for ; state == MigrationDataCacheStateWaiting; seq++ {
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state = cache.Add(&livekit.DataPacket{Sequence: seq}, pktSize)
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}
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require.Equal(t, MigrationDataCacheStateTimeout, state)
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require.LessOrEqual(t, cache.Size(), migrationDataCacheMaxSize+pktSize)
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require.Len(t, cache.Get(), migrationDataCacheMaxSize/pktSize+1)
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// once full, further packets are dropped, including the continuous one
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require.Equal(t, MigrationDataCacheStateTimeout, cache.Add(&livekit.DataPacket{Sequence: 11}, pktSize))
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}
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