c9e9ae555f
* Add license headers & NOTICE * generated protobuf --------- Co-authored-by: github-actions <41898282+github-actions[bot]@users.noreply.github.com>
106 lines
2.9 KiB
Go
106 lines
2.9 KiB
Go
// Copyright 2023 LiveKit, Inc.
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//
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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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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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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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package utils
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import (
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"runtime"
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"sync/atomic"
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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 TestProtoProxy(t *testing.T) {
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numGoRoutines := runtime.NumGoroutine()
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proxy, numParticipants, freeze := createTestProxy()
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select {
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case <-proxy.Updated():
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t.Fatal("should not have received an update")
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default:
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}
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// should not have changed, initial value should persist
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require.EqualValues(t, 0, proxy.Get().NumParticipants)
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// immediate change
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proxy.MarkDirty(true)
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time.Sleep(100 * time.Millisecond)
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require.EqualValues(t, 2, numParticipants.Load())
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require.EqualValues(t, 1, proxy.Get().NumParticipants)
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// queued updates
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proxy.MarkDirty(false)
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select {
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case <-proxy.Updated():
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// consume previous notification
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default:
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}
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require.EqualValues(t, 1, proxy.Get().NumParticipants)
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// freeze and ensure that updates are not triggered
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freeze.Store(true)
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// freezing and consuming the previous notification to ensure counter does not increase in updateFn
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select {
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case <-proxy.Updated():
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case <-time.After(100 * time.Millisecond):
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t.Fatal("should have received an update")
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}
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// possible that ticker was updated while markDirty queued another update
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require.GreaterOrEqual(t, int(proxy.Get().NumParticipants), 2)
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// trigger another update, but should not get notification as freeze is in place and the model should not have changed
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proxy.MarkDirty(false)
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time.Sleep(100 * time.Millisecond)
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select {
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case <-proxy.Updated():
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t.Fatal("should not have received an update")
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default:
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}
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require.EqualValues(t, 2, proxy.Get().NumParticipants)
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// ensure we didn't leak
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proxy.Stop()
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for i := 0; i < 10; i++ {
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if numGoRoutines <= runtime.NumGoroutine() {
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break
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}
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time.Sleep(100 * time.Millisecond)
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}
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require.LessOrEqual(t, runtime.NumGoroutine(), numGoRoutines)
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}
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func createTestProxy() (*ProtoProxy[*livekit.Room], *atomic.Uint32, *atomic.Bool) {
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// uses an update func that increments numParticipants each time
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var numParticipants atomic.Uint32
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var freeze atomic.Bool
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return NewProtoProxy[*livekit.Room](
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10*time.Millisecond,
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func() *livekit.Room {
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if !freeze.Load() {
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defer numParticipants.Add(1)
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}
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return &livekit.Room{
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NumParticipants: numParticipants.Load(),
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}
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},
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), &numParticipants, &freeze
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}
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