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main_functional_test.go
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main_functional_test.go
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// This package will perform _functional_ testing of the plumber CLI tool.
//
// It is going to perform a single, OS-specific compile via `make` and then
// re-execute the built binary over and over.
//
// NOTE 1: You should probably have local instances of rabbit, kafka, etc. running
// or else the test suite will fail.
//go:build functional
// +build functional
package main
import (
"context"
"encoding/base64"
"encoding/json"
"fmt"
"io/ioutil"
"math/rand"
"os/exec"
"runtime"
"time"
"cloud.google.com/go/pubsub"
"github.com/aws/aws-sdk-go/aws"
"github.com/aws/aws-sdk-go/aws/session"
"github.com/aws/aws-sdk-go/service/sqs"
"github.com/golang/protobuf/proto"
"github.com/nats-io/nats.go"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"github.com/pkg/errors"
skafka "github.com/segmentio/kafka-go"
"github.com/batchcorp/collector-schemas/build/go/protos/events"
"github.com/streamdal/plumber/test-assets/protobuf-any/sample"
"github.com/streamdal/plumber/test-assets/shallow-envelope/shallow"
)
func init() {
rand.Seed(time.Now().UnixNano())
SetDefaultEventuallyTimeout(time.Second * 30)
}
var _ = Describe("Functional", func() {
var (
kafkaAddress = "localhost:9092"
binary = "./build/plumber-" + runtime.GOOS
sampleOutboundJSONPB = "./test-assets/messages/sample-outbound.json"
protoSchemasDir = "./test-assets/protos"
)
BeforeSuite(func() {
// Build the application
var cmd *exec.Cmd
var err error
switch runtime.GOOS {
case "linux":
cmd = exec.Command("make", "build/linux")
_, err = cmd.CombinedOutput()
case "darwin":
cmd = exec.Command("make", "build/darwin")
_, err = cmd.CombinedOutput()
default:
Fail(fmt.Sprintf("unsupported GOOS '%s'", runtime.GOOS))
}
if err != nil {
Fail(fmt.Sprintf("unable to build binary: %s", err))
}
Expect(binary).To(BeAnExistingFile())
})
Describe("Kafka", func() {
Describe("write", func() {
var (
kafka *Kafka
kafkaTopic = fmt.Sprintf("plumber-test-%d", rand.Int())
)
BeforeEach(func() {
var err error
kafka, err = newKafkaReader(kafkaAddress, kafkaTopic)
Expect(err).ToNot(HaveOccurred())
})
AfterEach(func() {
kafka.Reader.Close()
kafka.Conn.DeleteTopics(kafkaTopic)
kafka.Conn.Close()
})
Context("plain input, plain output", func() {
It("should work", func() {
randString := fmt.Sprintf("kafka-random-%d", rand.Int())
cmd := exec.Command(binary, "write", "kafka", "--address", kafkaAddress,
"--topics", kafkaTopic, "--input", randString)
_, err := cmd.CombinedOutput()
Expect(err).ToNot(HaveOccurred())
ctx, cancel := context.WithTimeout(context.Background(), 1*time.Minute)
defer cancel()
// Read message from kafka topic, verify it's set to randString
msg, err := kafka.Reader.ReadMessage(ctx)
Expect(err).ToNot(HaveOccurred())
Expect(string(msg.Value)).To(Equal(randString))
})
})
Context("jsonpb input, protobuf output", func() {
It("should work", func() {
// We use "Outbound" here because it's simple
cmd := exec.Command(binary, "write", "kafka",
"--address", kafkaAddress,
"--topics", kafkaTopic,
"--encode-type", "jsonpb",
"--input-file", sampleOutboundJSONPB,
"--protobuf-dirs", protoSchemasDir,
"--protobuf-root-message", "events.Outbound")
_, err := cmd.CombinedOutput()
Expect(err).ToNot(HaveOccurred())
ctx, cancel := context.WithTimeout(context.Background(), 1*time.Minute)
defer cancel()
// Read message from kafka topic; verify it matches what we wrote
msg, err := kafka.Reader.ReadMessage(ctx)
Expect(err).ToNot(HaveOccurred())
// Verify we wrote a valid protobuf message
outbound := &events.Outbound{}
err = proto.Unmarshal(msg.Value, outbound)
Expect(err).ToNot(HaveOccurred())
// Verify that the values are the same
jsonData, err := ioutil.ReadFile(sampleOutboundJSONPB)
Expect(err).ToNot(HaveOccurred())
jsonMap := make(map[string]string, 0)
err = json.Unmarshal(jsonData, &jsonMap)
Expect(err).ToNot(HaveOccurred())
Expect(outbound.ReplayId).To(Equal(jsonMap["replay_id"]))
// []byte is encoded as base64, so we have to encode it to
// verify against source JSON
encodedBlob := base64.StdEncoding.EncodeToString(outbound.Blob)
Expect(encodedBlob).To(Equal(jsonMap["blob"]))
})
})
Context("google.protobuf.Any", func() {
It("should work", func() {
cmd := exec.Command(binary, "write", "kafka",
"--address", kafkaAddress,
"--topics", kafkaTopic,
"--encode-type", "jsonpb",
"--input-file", "./test-assets/protobuf-any/payload.json",
"--protobuf-descriptor-set", "./test-assets/protobuf-any/sample/protos.fds",
"--protobuf-root-message", "sample.Envelope")
_, err := cmd.CombinedOutput()
Expect(err).ToNot(HaveOccurred())
ctx, cancel := context.WithTimeout(context.Background(), 1*time.Minute)
defer cancel()
// Read message from kafka topic; verify it matches what we wrote
msg, err := kafka.Reader.ReadMessage(ctx)
Expect(err).ToNot(HaveOccurred())
// Verify we wrote a valid protobuf message
anyEnvelope := &sample.Envelope{}
err = proto.Unmarshal(msg.Value, anyEnvelope)
Expect(err).ToNot(HaveOccurred())
Expect(anyEnvelope.Message).To(Equal("Plumber supports google.protobuf.Any"))
anyMessage := &sample.Message{}
err = proto.Unmarshal(anyEnvelope.Details.Value, anyMessage)
Expect(err).ToNot(HaveOccurred())
Expect(anyMessage.Name).To(Equal("Mark"))
})
})
Context("Shallow Envelope", func() {
It("should work", func() {
protoSchemasDir := "./test-assets/shallow-envelope/"
sampleOutboundJSONPB := "./test-assets/shallow-envelope/example-payload.json"
cmd := exec.Command(binary, "write", "kafka",
"--address", kafkaAddress,
"--topics", kafkaTopic,
"--encode-type", "jsonpb",
"--input-file", sampleOutboundJSONPB,
"--protobuf-dirs", protoSchemasDir,
"--protobuf-root-message", "shallow.Envelope",
"--protobuf-envelope-type", "shallow",
"--shallow-envelope-field-number", "2",
"--shallow-envelope-message", "shallow.Payload")
out, err := cmd.CombinedOutput()
if err != nil {
Fail("command failed: " + string(out))
}
ctx, cancel := context.WithTimeout(context.Background(), 1*time.Minute)
defer cancel()
// Read message from kafka topic; verify it matches what we wrote
msg, err := kafka.Reader.ReadMessage(ctx)
Expect(err).ToNot(HaveOccurred())
// Verify we wrote a valid protobuf message
shallowEnvelope := &shallow.Envelope{}
err = proto.Unmarshal(msg.Value, shallowEnvelope)
Expect(err).ToNot(HaveOccurred())
Expect(shallowEnvelope.Id).To(Equal("test-1"))
//Expect(string(shallowEnvelope.Data)).To(Equal("hi"))
shallowPayload := &shallow.Payload{}
err = proto.Unmarshal(shallowEnvelope.Data, shallowPayload)
Expect(err).ToNot(HaveOccurred())
Expect(shallowPayload.Name).To(Equal("Mark Test"))
})
})
})
Describe("read", func() {
var (
kafka *Kafka
kafkaTopic string
)
BeforeEach(func() {
var err error
r := rand.New(rand.NewSource(time.Now().UnixNano()))
kafkaTopic = fmt.Sprintf("plumber-test-%d", r.Int())
kafka, err = newKafkaWriter(kafkaAddress, kafkaTopic)
Expect(err).ToNot(HaveOccurred())
})
AfterEach(func() {
kafka.Writer.Close()
})
Context("plain output", func() {
It("should work", func() {
// Write data
writtenRecords, err := writeKafkaRecords(kafka, kafkaTopic, "json", 1)
Expect(err).ToNot(HaveOccurred())
Expect(len(writtenRecords)).To(Equal(1))
// UseConsumerGroup is true by default, so subsequent reads
// should automatically increase the offset
for _, v := range writtenRecords {
cmd := exec.Command(binary, "read", "kafka",
"--address", kafkaAddress,
"--topics", kafkaTopic,
"--read-offset", "0",
"--use-consumer-group=false",
)
readOut, err := cmd.CombinedOutput()
Expect(err).ToNot(HaveOccurred())
Expect(string(readOut)).To(ContainSubstring(string(v.Value)))
}
})
})
Context("read offset", func() {
It("should work", func() {
// Write a few records
writtenRecords, err := writeKafkaRecords(kafka, kafkaTopic, "json", 5)
Expect(err).ToNot(HaveOccurred())
Expect(len(writtenRecords)).To(Equal(5))
for i, v := range writtenRecords {
fmt.Printf("%d: %s\n", i, string(v.Value))
}
// Read at random offsets
for i := 0; i < 10; i++ {
randOffset := rand.Intn(5)
cmd := exec.Command(binary, "read", "kafka",
"--address", kafkaAddress,
"--topics", kafkaTopic,
"--use-consumer-group=false",
"--read-offset", fmt.Sprintf("%d", randOffset),
)
readOut, err := cmd.CombinedOutput()
if err != nil {
Fail("failed to read: " + string(readOut))
}
Expect(string(readOut)).To(ContainSubstring(string(writtenRecords[randOffset].Value)))
}
})
})
Context("thrift decoding", func() {
It("should work", func() {
// First write the message to Kafka
writeCmd := exec.Command(
binary,
"write",
"kafka",
"--topics", kafkaTopic,
"--input-file", "test-assets/thrift/test_message.bin",
)
writeOut, err := writeCmd.CombinedOutput()
if err != nil {
Fail("write failed: " + string(writeOut))
}
writeGot := string(writeOut)
writeWant := "Successfully wrote '1' message(s)"
Expect(writeGot).To(ContainSubstring(writeWant))
ctx, cancel := context.WithTimeout(context.Background(), 20*time.Second)
defer cancel()
time.Sleep(time.Second * 1)
// Now try and read from the RabbitMQ queue
readCmd := exec.CommandContext(
ctx,
binary,
"read",
"kafka",
"--topics", kafkaTopic,
"--decode-type", "thrift",
"--thrift-struct", "sh.batch.schema.Account",
"--thrift-dirs", "test-assets/thrift/schema/",
"--read-offset", "0",
"--use-consumer-group=false",
)
readOutput, err := readCmd.CombinedOutput()
if err != nil {
Fail("read failed: " + string(readOutput))
}
if ctx.Err() == context.DeadlineExceeded {
Fail("Kafka thrift read failed")
}
readGot := string(readOutput)
Expect(readGot).To(ContainSubstring(`"name":"Mark Gregan"`))
})
})
Context("google.protobuf.Any", func() {
It("should work", func() {
// First write the message to Kafka
writeCmd := exec.Command(
binary,
"write",
"kafka",
"--topics", kafkaTopic,
"--input-file", "./test-assets/protobuf-any/payload.bin",
)
writeOut, err := writeCmd.CombinedOutput()
if err != nil {
Fail("write failed: " + string(writeOut))
}
writeGot := string(writeOut)
writeWant := "Successfully wrote '1' message(s)"
Expect(writeGot).To(ContainSubstring(writeWant))
ctx, cancel := context.WithTimeout(context.Background(), 20*time.Second)
defer cancel()
time.Sleep(time.Second * 1)
readCmd := exec.CommandContext(
ctx,
binary,
"read",
"kafka",
"--topics", kafkaTopic,
"--decode-type", "protobuf",
"--protobuf-root-message", "sample.Envelope",
"--protobuf-descriptor-set", "./test-assets/protobuf-any/sample/protos.fds",
"--read-offset", "0",
"--use-consumer-group=false",
)
readOutput, err := readCmd.CombinedOutput()
if err != nil {
Fail("read failed: " + string(readOutput))
}
Expect(string(readOutput)).To(ContainSubstring("Plumber supports google.protobuf.Any"))
Expect(string(readOutput)).To(ContainSubstring(`"@type":"type.googleapis.com/sample.Message"`))
})
})
Context("Shallow envelope", func() {
It("should work", func() {
// First write the message to Kafka
writeCmd := exec.Command(
binary,
"write",
"kafka",
"--topics", kafkaTopic,
"--input-file", "./test-assets/shallow-envelope/payload.bin",
)
writeOut, err := writeCmd.CombinedOutput()
if err != nil {
Fail("write failed: " + string(writeOut))
}
writeGot := string(writeOut)
writeWant := "Successfully wrote '1' message(s)"
Expect(writeGot).To(ContainSubstring(writeWant))
ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
defer cancel()
time.Sleep(time.Second * 1)
readCmd := exec.CommandContext(
ctx,
binary,
"read",
"kafka",
"--topics", kafkaTopic,
"--decode-type", "protobuf",
"--protobuf-root-message", "shallow.Envelope",
"--protobuf-dirs", "./test-assets/shallow-envelope/",
"--protobuf-root-message", "shallow.Envelope",
"--protobuf-envelope-type", "shallow",
"--shallow-envelope-field-number", "2",
"--shallow-envelope-message", "shallow.Payload",
"--read-offset", "0",
"--use-consumer-group=false",
)
readOutput, err := readCmd.CombinedOutput()
if err != nil {
Fail("read failed: " + string(readOutput))
}
Expect(string(readOutput)).To(ContainSubstring(`{"name":"Mark"}`))
})
})
})
})
Describe("RabbitMQ", func() {
Describe("read/write", func() {
Context("plain input, plain output", func() {
randID := rand.Int()
var (
exchangeName string = fmt.Sprintf("testex-%d", randID)
queueName string = fmt.Sprintf("testqueue-%d", randID)
routingKey string = fmt.Sprintf("testqueue-%d", randID)
)
BeforeEach(func() {
err := createRabbit(exchangeName, queueName, routingKey)
Expect(err).ToNot(HaveOccurred())
})
AfterEach(func() {
err := deleteRabbit(exchangeName, queueName)
Expect(err).ToNot(HaveOccurred())
})
It("should work", func() {
const testMessage string = "welovemessaging"
// First write the message to Rabbit
writeCmd := exec.Command(
binary,
"write",
"rabbit",
"--exchange-name", exchangeName,
"--routing-key", routingKey,
"--input", testMessage,
)
writeOut, err := writeCmd.CombinedOutput()
if err != nil {
Fail("write failed: " + string(writeOut))
}
writeGot := string(writeOut)
writeWant := "Successfully wrote '1' message(s)"
Expect(writeGot).To(ContainSubstring(writeWant))
ctx, cancel := context.WithTimeout(context.Background(), 20*time.Second)
defer cancel()
time.Sleep(time.Second * 1)
// Now try and read from the RabbitMQ queue
readCmd := exec.CommandContext(
ctx,
binary,
"read",
"rabbit",
"--exchange-name", exchangeName,
"--binding-key", routingKey,
"--queue-name", queueName,
)
readOutput, err := readCmd.CombinedOutput()
if err != nil {
Fail("read failed: " + string(readOutput))
}
if ctx.Err() == context.DeadlineExceeded {
Fail("Rabbit plaintext read failed")
}
readGot := string(readOutput)
Expect(readGot).To(ContainSubstring(testMessage))
})
})
Context("jsonpb input, protobuf output", func() {
randID := rand.Int()
var (
exchangeName string = fmt.Sprintf("testex-%d", randID)
queueName string = fmt.Sprintf("testqueue-%d", randID)
routingKey string = fmt.Sprintf("testqueue-%d", randID)
)
BeforeEach(func() {
err := createRabbit(exchangeName, queueName, routingKey)
Expect(err).ToNot(HaveOccurred())
})
AfterEach(func() {
err := deleteRabbit(exchangeName, queueName)
Expect(err).ToNot(HaveOccurred())
})
It("should work", func() {
writeCmd := exec.Command(
binary,
"write",
"rabbit",
"--exchange-name", exchangeName,
"--routing-key", routingKey,
"--encode-type", "jsonpb",
"--input-file", sampleOutboundJSONPB,
"--protobuf-dirs", protoSchemasDir,
"--protobuf-root-message", "events.Outbound",
)
writeOut, err := writeCmd.CombinedOutput()
if err != nil {
Fail("write failed: " + string(writeOut))
}
writeGot := string(writeOut)
writeWant := "Successfully wrote '1' message(s)"
Expect(writeGot).To(ContainSubstring(writeWant))
ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
defer cancel()
// Now try and read from the RabbitMQ queue
readCmd := exec.CommandContext(
ctx,
binary,
"read",
"rabbit",
"--exchange-name", exchangeName,
"--binding-key", routingKey,
"--queue-name", queueName,
"--protobuf-dirs", protoSchemasDir,
"--protobuf-root-message", "events.Outbound",
)
readOut, err := readCmd.CombinedOutput()
if err != nil {
Fail("read failed: " + string(readOut))
}
if ctx.Err() == context.DeadlineExceeded {
Fail("Rabbit protobuf read failed")
}
readGot := string(readOut)
Expect(readGot).To(ContainSubstring("30ddb850-1aca-4ee5-870c-1bb7b339ee5d"))
//Expect(readGot).To(ContainSubstring("eyJoZWxsbyI6ImRhbiJ9Cg=="))
})
})
})
Context("avro and json", func() {
randID := rand.Int()
var (
exchangeName string = fmt.Sprintf("testex-%d", randID)
queueName string = fmt.Sprintf("testqueue-%d", randID)
routingKey string = fmt.Sprintf("testqueue-%d", randID)
)
BeforeEach(func() {
err := createRabbit(exchangeName, queueName, routingKey)
Expect(err).ToNot(HaveOccurred())
})
AfterEach(func() {
err := deleteRabbit(exchangeName, queueName)
Expect(err).ToNot(HaveOccurred())
})
It("should work", func() {
const testMessage string = "{\"company\":\"Batch Corp\"}"
// First write the message to Rabbit
writeCmd := exec.Command(
binary,
"write",
"rabbit",
"--avro-schema-file", "./test-assets/avro/test.avsc",
"--exchange-name", exchangeName,
"--routing-key", routingKey,
"--input", testMessage,
)
writeOut, err := writeCmd.CombinedOutput()
if err != nil {
Fail("write failed: " + string(writeOut))
}
writeGot := string(writeOut)
writeWant := "Successfully wrote '1' message(s)"
Expect(writeGot).To(ContainSubstring(writeWant))
ctx, cancel := context.WithTimeout(context.Background(), 20*time.Second)
defer cancel()
// Now try and read from the RabbitMQ queue
readCmd := exec.CommandContext(
ctx,
binary,
"read",
"rabbit",
"--avro-schema-file", "./test-assets/avro/test.avsc",
"--exchange-name", exchangeName,
"--binding-key", routingKey,
"--queue-name", queueName,
)
readOutput, err := readCmd.CombinedOutput()
if err != nil {
Fail("read failed: " + string(readOutput))
}
if ctx.Err() == context.DeadlineExceeded {
Fail("Rabbit AVRO read failed")
}
readGot := string(readOutput)
Expect(readGot).To(ContainSubstring(testMessage))
})
})
})
Describe("GCP PubSub", func() {
Describe("write", func() {
Context("plain input, plain output", func() {
It("should work", func() {
})
})
Context("jsonpb input, protobuf output", func() {
It("should work", func() {
})
})
})
Describe("read", func() {
Context("plain output", func() {
It("should work", func() {
})
})
Context("protobuf output", func() {
It("should work", func() {
})
})
})
})
XDescribe("AWS SQS", func() {
Describe("read/write", func() {
var queueName string
BeforeEach(func() {
queueName = fmt.Sprintf("FunctionalTestQueue%d", rand.Int())
err := createSqsQueue(queueName)
Expect(err).ToNot(HaveOccurred())
})
AfterEach(func() {
err := deleteSqsQueue(queueName)
Expect(err).ToNot(HaveOccurred())
})
Context("plain input and output", func() {
It("should work", func() {
const testMessage string = "welovemessaging"
// First write the message to SQS
writeCmd := exec.Command(
binary,
"write",
"aws-sqs",
"--queue-name", queueName,
"--input", testMessage,
)
writeOut, _ := writeCmd.CombinedOutput()
//Expect(err).ToNot(HaveOccurred())
writeGot := string(writeOut)
writeWant := "Successfully wrote '1' message(s)"
Expect(writeGot).To(ContainSubstring(writeWant))
// Now try and read from the SQS queue
readCmd := exec.Command(
binary,
"read",
"aws-sqs",
"--queue-name", queueName,
"--auto-delete",
)
readOutput, _ := readCmd.CombinedOutput()
//Expect(err).ToNot(HaveOccurred())
readGot := string(readOutput)
Expect(readGot).To(ContainSubstring(testMessage))
})
})
Context("jsonpb input, protobuf output", func() {
It("should work", func() {
writeCmd := exec.Command(
binary,
"write",
"aws-sqs",
"--queue-name", queueName,
"--encode-type", "jsonpb",
"--input-file", sampleOutboundJSONPB,
"--protobuf-dirs", protoSchemasDir,
"--protobuf-root-message", "events.Outbound",
)
writeOut, err := writeCmd.CombinedOutput()
Expect(err).ToNot(HaveOccurred())
writeGot := string(writeOut)
writeWant := "Successfully wrote '1' message(s)"
Expect(writeGot).To(ContainSubstring(writeWant))
readCmd := exec.Command(
binary,
"read",
"aws-sqs",
"--queue-name", queueName,
"--decode-type", "protobuf",
"--protobuf-dirs", protoSchemasDir,
"--protobuf-root-message", "events.Outbound",
)
readOut, err := readCmd.CombinedOutput()
Expect(err).ToNot(HaveOccurred())
readGot := string(readOut)
Expect(readGot).To(ContainSubstring("30ddb850-1aca-4ee5-870c-1bb7b339ee5d"))
//Expect(readGot).To(ContainSubstring("eyJoZWxsbyI6ImRhbiJ9Cg=="))
})
})
Context("avro and json", func() {
It("should work", func() {
const testMessage string = "{\"company\":\"Batch Corp\"}"
// First write the message to SQS
writeCmd := exec.Command(
binary,
"write",
"aws-sqs",
"--queue-name", queueName,
"--input", testMessage,
"--avro-schema-file", "./test-assets/avro/test.avsc",
)
writeOut, err := writeCmd.CombinedOutput()
Expect(err).ToNot(HaveOccurred())
writeGot := string(writeOut)
writeWant := "Successfully wrote '1' message(s)"
Expect(writeGot).To(ContainSubstring(writeWant))
// Now try and read from the SQS queue
readCmd := exec.Command(
binary,
"read",
"aws-sqs",
"--queue-name", queueName,
"--auto-delete",
"--avro-schema-file", "./test-assets/avro/test.avsc",
)
readOutput, err := readCmd.CombinedOutput()
Expect(err).ToNot(HaveOccurred())
readGot := string(readOutput)
Expect(readGot).To(ContainSubstring(testMessage))
})
})
})
})
Describe("Mosquitto", func() {
Describe("read/write", func() {
var topicName string
BeforeEach(func() {
topicName = fmt.Sprintf("FunctionalTestTopic%d", rand.Int())
})
Context("plain input and output", func() {
It("should work", func() {
const testMessage string = "welovemessaging"
capture := make(chan string, 1)
defer close(capture)
// Run MQTT reader command
go func(out chan string) {
defer GinkgoRecover()
readCmd := exec.Command(
binary,
"read",
"mqtt",
"--topic", topicName,
)
readOutput, err := readCmd.CombinedOutput()
Expect(err).ToNot(HaveOccurred())
out <- string(readOutput)
}(capture)
// Wait for reader to start up
time.Sleep(time.Second * 1)
// reader is ready, write the message to MQTT
writeCmd := exec.Command(
binary,
"write",
"mqtt",
"--topic", topicName,
"--input", testMessage,
)
writeOut, err := writeCmd.CombinedOutput()
Expect(err).ToNot(HaveOccurred())
writeGot := string(writeOut)
writeWant := "Successfully wrote '1' message(s)"
Expect(writeGot).To(ContainSubstring(writeWant))
ctx, cancel := context.WithTimeout(context.Background(), time.Second*1)
defer cancel()
select {
case readGot := <-capture:
Expect(readGot).To(ContainSubstring(testMessage))
case <-ctx.Done():
Fail("timed out waiting for mqtt message")
}
})
})
Context("jsonpb input, protobuf output", func() {
It("should work", func() {
capture := make(chan string, 1)
// Run MQTT reader command
go func(out chan string) {
defer GinkgoRecover()
readCmd := exec.Command(
binary,
"read",
"mqtt",
"--topic", topicName,
)
readOutput, err := readCmd.CombinedOutput()
Expect(err).ToNot(HaveOccurred())
out <- string(readOutput)
}(capture)
// Wait for reader to start up
time.Sleep(time.Second * 1)
// reader is ready, write the message to MQTT
writeCmd := exec.Command(
binary,
"write",
"mqtt",
"--topic", topicName,
"--encode-type", "jsonpb",
"--input-file", sampleOutboundJSONPB,
"--protobuf-dirs", protoSchemasDir,
"--protobuf-root-message", "events.Outbound",
)
writeOut, err := writeCmd.CombinedOutput()
Expect(err).ToNot(HaveOccurred())
writeGot := string(writeOut)
writeWant := "Successfully wrote '1' message(s)"
Expect(writeGot).To(ContainSubstring(writeWant))
ctx, cancel := context.WithTimeout(context.Background(), time.Second*1)
defer cancel()
select {
case readGot := <-capture:
Expect(readGot).To(ContainSubstring("30ddb850-1aca-4ee5-870c-1bb7b339ee5d"))
Expect(readGot).To(ContainSubstring("{\"hello\":\"dan\"}"))
case <-ctx.Done():
Fail("timed out waiting for mqtt message")
}
})
})
Context("avro and json", func() {
It("should work", func() {
const testMessage string = "{\"company\":\"Batch Corp\"}"
capture := make(chan string, 1)
defer close(capture)
// Run MQTT reader command
go func(out chan string) {
defer GinkgoRecover()
readCmd := exec.Command(
binary,
"read",
"mqtt",
"--topic", topicName,
"--avro-schema-file", "./test-assets/avro/test.avsc",
)
readOutput, err := readCmd.CombinedOutput()
Expect(err).ToNot(HaveOccurred())
out <- string(readOutput)
}(capture)