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// Copyright 2022 The OpenZipkin Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
//go:build !windows
// +build !windows
package amqp_test
import (
"encoding/json"
"os"
"testing"
"time"
"github.com/openzipkin/zipkin-go/model"
zipkinamqp "github.com/openzipkin/zipkin-go/reporter/amqp"
amqp "github.com/rabbitmq/amqp091-go"
)
var spans = []*model.SpanModel{
makeNewSpan("avg", 123, 456, 0, true),
makeNewSpan("sum", 123, 789, 456, true),
makeNewSpan("div", 123, 101112, 456, true),
}
func TestRabbitProduce(t *testing.T) {
address := os.Getenv("AMQP_ADDR")
if address == "" {
t.Skip("AMQP_ADDR not set, skipping test...")
}
_, ch, closeFunc := setupRabbit(t, address)
defer closeFunc()
c, err := zipkinamqp.NewReporter(address, zipkinamqp.Channel(ch))
if err != nil {
t.Fatal(err)
}
msgs := setupConsume(t, ch)
for _, s := range spans {
c.Send(*s)
}
for _, s := range spans {
msg := <-msgs
ds := deserializeSpan(t, msg.Body)
testEqual(t, s, ds)
}
}
func TestRabbitClose(t *testing.T) {
address := os.Getenv("AMQP_ADDR")
if address == "" {
t.Skip("AMQP_ADDR not set, skipping test...")
}
conn, ch, closeFunc := setupRabbit(t, address)
defer closeFunc()
r, err := zipkinamqp.NewReporter(address, zipkinamqp.Channel(ch), zipkinamqp.Connection(conn))
if err != nil {
t.Fatal(err)
}
if err = r.Close(); err != nil {
t.Fatal(err)
}
}
func setupRabbit(t *testing.T, address string) (*amqp.Connection, *amqp.Channel, func()) {
var err error
conn, err := amqp.Dial(address)
failOnError(t, err, "Failed to connect to RabbitMQ")
ch, err := conn.Channel()
failOnError(t, err, "Failed to open a channel")
return conn, ch, func() { conn.Close(); ch.Close() }
}
func setupConsume(t *testing.T, ch *amqp.Channel) <-chan amqp.Delivery {
csm, err := ch.Consume(
"zipkin",
"",
true,
false,
false,
false,
nil,
)
failOnError(t, err, "Failed to register a consumer")
return csm
}
func deserializeSpan(t *testing.T, data []byte) *model.SpanModel {
var receivedSpans []model.SpanModel
err := json.Unmarshal(data, &receivedSpans)
if err != nil {
t.Fatal(err)
}
return &receivedSpans[0]
}
func failOnError(t *testing.T, err error, msg string) {
if err != nil {
t.Fatalf("%s: %s", msg, err)
}
}
func testEqual(t *testing.T, want *model.SpanModel, have *model.SpanModel) {
if have.TraceID != want.TraceID {
t.Errorf("incorrect trace_id. have %d, want %d", have.TraceID, want.TraceID)
}
if have.ID != want.ID {
t.Errorf("incorrect id. have %d, want %d", have.ID, want.ID)
}
if have.ParentID == nil {
if want.ParentID != nil {
t.Errorf("incorrect parent_id. have %d, want %d", have.ParentID, want.ParentID)
}
} else if *have.ParentID != *want.ParentID {
t.Errorf("incorrect parent_id. have %d, want %d", have.ParentID, want.ParentID)
}
}
func makeNewSpan(methodName string, traceID, spanID, parentSpanID uint64, debug bool) *model.SpanModel {
timestamp := time.Now()
parentID := new(model.ID)
if parentSpanID != 0 {
*parentID = model.ID(parentSpanID)
}
return &model.SpanModel{
SpanContext: model.SpanContext{
TraceID: model.TraceID{Low: traceID},
ID: model.ID(spanID),
ParentID: parentID,
Debug: debug,
},
Name: methodName,
Timestamp: timestamp,
}
}
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