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| 1 | +package amqp_kit |
| 2 | + |
| 3 | +import ( |
| 4 | + "context" |
| 5 | + "fmt" |
| 6 | + "testing" |
| 7 | + "time" |
| 8 | + |
| 9 | + "github.com/go-kit/kit/endpoint" |
| 10 | + "github.com/opentracing/opentracing-go" |
| 11 | + "github.com/opentracing/opentracing-go/mocktracer" |
| 12 | + "github.com/streadway/amqp" |
| 13 | + "github.com/stretchr/testify/suite" |
| 14 | +) |
| 15 | + |
| 16 | +type subsSuite struct { |
| 17 | + suite.Suite |
| 18 | + dsn string |
| 19 | + conn *amqp.Connection |
| 20 | +} |
| 21 | + |
| 22 | +func (s *subsSuite) SetupSuite() { |
| 23 | + var err error |
| 24 | + s.dsn = MakeDsn(&Config{ |
| 25 | + Address: "127.0.0.1:5672", |
| 26 | + User: "guest", |
| 27 | + Password: "guest"}, |
| 28 | + ) |
| 29 | + |
| 30 | + s.conn, err = amqp.Dial(s.dsn) |
| 31 | + s.Require().NoError(err) |
| 32 | +} |
| 33 | + |
| 34 | +func (s *subsSuite) TearDownSuite() { |
| 35 | + s.conn.Close() |
| 36 | +} |
| 37 | + |
| 38 | +func TestSubscriberSuite(t *testing.T) { |
| 39 | + suite.Run(t, new(subsSuite)) |
| 40 | +} |
| 41 | + |
| 42 | +func (s *subsSuite) TestSubscriberTracing() { |
| 43 | + tracer := mocktracer.New() |
| 44 | + opentracing.SetGlobalTracer(tracer) |
| 45 | + |
| 46 | + ch, err := s.conn.Channel() |
| 47 | + s.NoError(err) |
| 48 | + |
| 49 | + err = Declare(ch, `exc`, `test-s`, []string{`key.request.test_2`}) |
| 50 | + s.NoError(err) |
| 51 | + ctx := context.Background() |
| 52 | + dec1 := make(chan []byte) |
| 53 | + subs := []SubscribeInfo{ |
| 54 | + { |
| 55 | + Q: `test-s`, |
| 56 | + Key: `key.request.test_2`, |
| 57 | + E: endpoint.Chain( |
| 58 | + TraceEndpoint(tracer, `test_endpoint`), |
| 59 | + )(func(ctx context.Context, request interface{}) (response interface{}, err error) { |
| 60 | + dec1 <- request.([]byte) |
| 61 | + |
| 62 | + if string(request.([]byte)) == "endpoint_error" { |
| 63 | + return nil, fmt.Errorf("endpoint_error_resp") |
| 64 | + } |
| 65 | + |
| 66 | + return nil, nil |
| 67 | + }), |
| 68 | + Dec: func(i context.Context, delivery *amqp.Delivery) (request interface{}, err error) { |
| 69 | + s.Equal(delivery.RoutingKey, `key.request.test_2`) |
| 70 | + |
| 71 | + if delivery.CorrelationId == "errDecodeID" { |
| 72 | + return nil, fmt.Errorf("decode error") |
| 73 | + } |
| 74 | + |
| 75 | + if delivery.CorrelationId == "errEndpointID" { |
| 76 | + return []byte("endpoint_error"), nil |
| 77 | + } |
| 78 | + return delivery.Body, nil |
| 79 | + }, |
| 80 | + Enc: EncodeJSONResponse, |
| 81 | + O: []SubscriberOption{SubscriberAfter(SetAckAfterEndpoint(true))}, |
| 82 | + }, |
| 83 | + } |
| 84 | + |
| 85 | + ser := NewServer(subs, s.conn) |
| 86 | + err = ser.Serve() |
| 87 | + s.NoError(err) |
| 88 | + |
| 89 | + ch, err = s.conn.Channel() |
| 90 | + s.NoError(err) |
| 91 | + pub := NewPublisher(ch) |
| 92 | + |
| 93 | + // success |
| 94 | + err = pub.PublishWithTracing(ctx, "exc", "key.request.test_2", `cor_1`, []byte(`{"f1":"b1"}`)) |
| 95 | + s.NoError(err) |
| 96 | + |
| 97 | + select { |
| 98 | + case d := <-dec1: |
| 99 | + s.Equal(d, []byte(`{"f1":"b1"}`)) |
| 100 | + case <-time.After(5 * time.Second): |
| 101 | + } |
| 102 | + |
| 103 | + finishedSpans := opentracing.GlobalTracer().(*mocktracer.MockTracer).FinishedSpans() |
| 104 | + s.Len(finishedSpans, 2) |
| 105 | + s.Equal(finishedSpans[0].SpanContext.TraceID, finishedSpans[1].SpanContext.TraceID) |
| 106 | + |
| 107 | + opentracing.GlobalTracer().(*mocktracer.MockTracer).Reset() |
| 108 | + |
| 109 | + // decode error |
| 110 | + err = pub.PublishWithTracing(ctx, "exc", "key.request.test_2", `errDecodeID`, []byte(`{"f1":"b1"}`)) |
| 111 | + s.NoError(err) |
| 112 | + |
| 113 | + select { |
| 114 | + case d := <-dec1: |
| 115 | + s.Equal(d, []byte(`{"f1":"b1"}`)) |
| 116 | + case <-time.After(5 * time.Second): |
| 117 | + } |
| 118 | + |
| 119 | + finishedSpans = opentracing.GlobalTracer().(*mocktracer.MockTracer).FinishedSpans() |
| 120 | + s.Len(finishedSpans, 1) |
| 121 | + |
| 122 | + // endpoint error |
| 123 | + opentracing.GlobalTracer().(*mocktracer.MockTracer).Reset() |
| 124 | + |
| 125 | + err = pub.PublishWithTracing(ctx, "exc", "key.request.test_2", `errEndpointID`, []byte(`{"f1":"b1"}`)) |
| 126 | + s.NoError(err) |
| 127 | + |
| 128 | + select { |
| 129 | + case d := <-dec1: |
| 130 | + s.Equal(d, []byte(`endpoint_error`)) |
| 131 | + case <-time.After(5 * time.Second): |
| 132 | + } |
| 133 | + |
| 134 | + finishedSpans = opentracing.GlobalTracer().(*mocktracer.MockTracer).FinishedSpans() |
| 135 | + s.Len(finishedSpans, 2) |
| 136 | + s.Equal(finishedSpans[1].Tag(tagError), "endpoint_error_resp") |
| 137 | + |
| 138 | + err = ser.Stop() |
| 139 | + s.Require().NoError(err) |
| 140 | +} |
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