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Fix flaky TestServiceSubscribeRoutingStats (#750)
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parent
3554886ce1
commit
e50f2af418
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@ -45,7 +45,6 @@ func TestServiceSubscribeRoutingStats(t *testing.T) {
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{SourceIPs: [][]byte{{127, 0, 0, 1}}, Attributes: map[string]string{"attr": "value"}, OutboundTag: "out"},
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}
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errCh := make(chan error)
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nextPub := make(chan struct{})
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// Server goroutine
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go func() {
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@ -77,13 +76,6 @@ func TestServiceSubscribeRoutingStats(t *testing.T) {
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if err := publishTestCases(); err != nil {
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errCh <- err
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}
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// Wait for next round of publishing
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<-nextPub
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if err := publishTestCases(); err != nil {
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errCh <- err
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}
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}()
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// Client goroutine
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@ -145,6 +137,92 @@ func TestServiceSubscribeRoutingStats(t *testing.T) {
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return nil
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}
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if err := testRetrievingAllFields(); err != nil {
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errCh <- err
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}
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errCh <- nil // Client passed all tests successfully
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}()
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// Wait for goroutines to complete
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select {
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case <-time.After(2 * time.Second):
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t.Fatal("Test timeout after 2s")
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case err := <-errCh:
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if err != nil {
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t.Fatal(err)
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}
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}
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}
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func TestServiceSubscribeSubsetOfFields(t *testing.T) {
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c := stats.NewChannel(&stats.ChannelConfig{
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SubscriberLimit: 1,
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BufferSize: 0,
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Blocking: true,
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})
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common.Must(c.Start())
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defer c.Close()
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lis := bufconn.Listen(1024 * 1024)
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bufDialer := func(context.Context, string) (net.Conn, error) {
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return lis.Dial()
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}
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testCases := []*RoutingContext{
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{InboundTag: "in", OutboundTag: "out"},
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{TargetIPs: [][]byte{{1, 2, 3, 4}}, TargetPort: 8080, OutboundTag: "out"},
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{TargetDomain: "example.com", TargetPort: 443, OutboundTag: "out"},
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{SourcePort: 9999, TargetPort: 9999, OutboundTag: "out"},
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{Network: net.Network_UDP, OutboundGroupTags: []string{"outergroup", "innergroup"}, OutboundTag: "out"},
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{Protocol: "bittorrent", OutboundTag: "blocked"},
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{User: "example@example.com", OutboundTag: "out"},
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{SourceIPs: [][]byte{{127, 0, 0, 1}}, Attributes: map[string]string{"attr": "value"}, OutboundTag: "out"},
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}
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errCh := make(chan error)
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// Server goroutine
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go func() {
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server := grpc.NewServer()
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RegisterRoutingServiceServer(server, NewRoutingServer(nil, c))
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errCh <- server.Serve(lis)
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}()
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// Publisher goroutine
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go func() {
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publishTestCases := func() error {
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ctx, cancel := context.WithTimeout(context.Background(), time.Second)
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defer cancel()
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for { // Wait until there's one subscriber in routing stats channel
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if len(c.Subscribers()) > 0 {
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break
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}
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if ctx.Err() != nil {
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return ctx.Err()
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}
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}
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for _, tc := range testCases {
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c.Publish(context.Background(), AsRoutingRoute(tc))
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time.Sleep(time.Millisecond)
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}
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return nil
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}
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if err := publishTestCases(); err != nil {
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errCh <- err
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}
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}()
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// Client goroutine
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go func() {
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defer lis.Close()
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conn, err := grpc.DialContext(context.Background(), "bufnet", grpc.WithContextDialer(bufDialer), grpc.WithInsecure())
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if err != nil {
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errCh <- err
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return
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}
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defer conn.Close()
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client := NewRoutingServiceClient(conn)
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// Test retrieving only a subset of fields
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testRetrievingSubsetOfFields := func() error {
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streamCtx, streamClose := context.WithCancel(context.Background())
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@ -156,9 +234,6 @@ func TestServiceSubscribeRoutingStats(t *testing.T) {
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return err
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}
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// Send nextPub signal to start next round of publishing
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close(nextPub)
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for _, tc := range testCases {
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msg, err := stream.Recv()
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if err != nil {
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@ -180,10 +255,6 @@ func TestServiceSubscribeRoutingStats(t *testing.T) {
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return nil
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}
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if err := testRetrievingAllFields(); err != nil {
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errCh <- err
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}
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if err := testRetrievingSubsetOfFields(); err != nil {
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errCh <- err
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}
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