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KafkaGatlingTest.scala
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package ru.tinkoff.gatling.kafka.examples
import com.sksamuel.avro4s._
import io.confluent.kafka.schemaregistry.client.CachedSchemaRegistryClient
import io.confluent.kafka.serializers.{KafkaAvroDeserializer, KafkaAvroSerializer}
import io.gatling.core.Predef._
import io.gatling.core.structure.ScenarioBuilder
import org.apache.kafka.clients.producer.ProducerConfig
import ru.tinkoff.gatling.kafka.Predef._
import ru.tinkoff.gatling.kafka.protocol.KafkaProtocol
import org.apache.kafka.common.header.Headers
import org.apache.kafka.common.header.internals.RecordHeaders
import org.apache.kafka.common.serialization.{Deserializer, Serde, Serializer}
import ru.tinkoff.gatling.kafka.request.KafkaProtocolMessage
import scala.concurrent.duration.DurationInt
class KafkaGatlingTest extends Simulation {
case class Ingredient(name: String, sugar: Double, fat: Double)
implicit val ingridientToRecord: ToRecord[Ingredient] = ToRecord.apply
implicit val ingridientFromRecord: FromRecord[Ingredient] = FromRecord.apply
implicit val ingridientSchemaFor: SchemaFor[Ingredient] = SchemaFor.apply
implicit val ingridientFormat: RecordFormat[Ingredient] = RecordFormat.apply
implicit val ingredientHeaders: Headers = new RecordHeaders()
val kafkaConf: KafkaProtocol = kafka
.topic("test.t1")
.properties(
Map(
ProducerConfig.ACKS_CONFIG -> "1",
ProducerConfig.BOOTSTRAP_SERVERS_CONFIG -> "localhost:9093",
ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG -> "org.apache.kafka.common.serialization.StringSerializer",
ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG -> "org.apache.kafka.common.serialization.StringSerializer",
),
)
val kafkaConfwoKey: KafkaProtocol = kafka
.topic("myTopic3")
.properties(
Map(
ProducerConfig.ACKS_CONFIG -> "1",
ProducerConfig.BOOTSTRAP_SERVERS_CONFIG -> "localhost:9093",
ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG -> "org.apache.kafka.common.serialization.StringSerializer",
ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG -> "org.apache.kafka.common.serialization.StringSerializer",
),
)
val kafkaConfBytes: KafkaProtocol = kafka
.topic("test.t2")
.properties(
Map(
ProducerConfig.ACKS_CONFIG -> "1",
ProducerConfig.BOOTSTRAP_SERVERS_CONFIG -> "localhost:9093",
ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG -> "org.apache.kafka.common.serialization.ByteArraySerializer",
ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG -> "org.apache.kafka.common.serialization.ByteArraySerializer",
),
)
val kafkaProtocolRRString: KafkaProtocol = kafka.requestReply
.producerSettings(
Map(
ProducerConfig.ACKS_CONFIG -> "1",
ProducerConfig.BOOTSTRAP_SERVERS_CONFIG -> "localhost:9093",
ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG -> "org.apache.kafka.common.serialization.StringSerializer",
ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG -> "org.apache.kafka.common.serialization.StringSerializer",
),
)
.consumeSettings(
Map(
"bootstrap.servers" -> "localhost:9093",
),
)
.withDefaultTimeout
val kafkaProtocolRRBytes: KafkaProtocol = kafka.requestReply
.producerSettings(
Map(
ProducerConfig.ACKS_CONFIG -> "1",
ProducerConfig.BOOTSTRAP_SERVERS_CONFIG -> "localhost:9093",
ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG -> "org.apache.kafka.common.serialization.ByteArraySerializer",
ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG -> "org.apache.kafka.common.serialization.ByteArraySerializer",
),
)
.consumeSettings(
Map(
"bootstrap.servers" -> "localhost:9093",
),
)
.timeout(5.seconds)
.matchByValue
val kafkaProtocolRRBytes2: KafkaProtocol = kafka.requestReply
.producerSettings(
Map(
ProducerConfig.ACKS_CONFIG -> "1",
ProducerConfig.BOOTSTRAP_SERVERS_CONFIG -> "localhost:9093",
ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG -> "org.apache.kafka.common.serialization.ByteArraySerializer",
ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG -> "org.apache.kafka.common.serialization.ByteArraySerializer",
),
)
.consumeSettings(
Map(
"bootstrap.servers" -> "localhost:9093",
),
)
.timeout(1.seconds)
.matchByValue
val kafkaAvro4sConf: KafkaProtocol = kafka
.topic("test.t3")
.properties(
Map(
ProducerConfig.ACKS_CONFIG -> "1",
ProducerConfig.BOOTSTRAP_SERVERS_CONFIG -> "localhost:9093",
ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG -> "org.apache.kafka.common.serialization.StringSerializer",
ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG -> "io.confluent.kafka.serializers.KafkaAvroSerializer",
"value.subject.name.strategy" -> "io.confluent.kafka.serializers.subject.RecordNameStrategy",
"schema.registry.url" -> "http://localhost:9094",
),
)
def matchByOwnVal(message: KafkaProtocolMessage): Array[Byte] = {
message.key
}
val kafkaProtocolRRAvro: KafkaProtocol = kafka.requestReply
.producerSettings(
Map(
ProducerConfig.ACKS_CONFIG -> "1",
ProducerConfig.BOOTSTRAP_SERVERS_CONFIG -> "localhost:9093",
ProducerConfig.KEY_SERIALIZER_CLASS_CONFIG -> "org.apache.kafka.common.serialization.StringSerializer",
ProducerConfig.VALUE_SERIALIZER_CLASS_CONFIG -> "io.confluent.kafka.serializers.KafkaAvroSerializer",
"value.subject.name.strategy" -> "io.confluent.kafka.serializers.subject.RecordNameStrategy",
"schema.registry.url" -> "http://localhost:9094",
),
)
.consumeSettings(
Map(
"bootstrap.servers" -> "localhost:9093",
),
)
.timeout(7.seconds)
.matchByMessage(matchByOwnVal)
val scnRR: ScenarioBuilder = scenario("RequestReply String")
.exec(
kafka("Request Reply String").requestReply
.requestTopic("myTopic1")
.replyTopic("test.t1")
.send[String, String]("testCheckJson", """{ "m": "dkf" }""")
.check(jsonPath("$.m").is("dkf")),
)
val scnwokey: ScenarioBuilder = scenario("Request String without key")
.exec(
kafka("Request String")
.send[String]("foo"),
)
.exec(
kafka("Request Stirng With null key")
.send[Any, String](null, "nullkey"),
)
val scn: ScenarioBuilder = scenario("Request String")
.exec(kafka("Request String 2").send[String, String]("testCheckJson", """{ "m": "dkf" }"""))
val scn2: ScenarioBuilder = scenario("Request Byte")
.exec(
kafka("Request Byte")
.send[Array[Byte], Array[Byte]]("key".getBytes(), "tstBytes".getBytes()),
)
val scnRR2: ScenarioBuilder = scenario("RequestReply Bytes")
.exec(
kafka("Request Reply Bytes").requestReply
.requestTopic("myTopic2")
.replyTopic("test.t2")
.send[Array[Byte], Array[Byte]]("test".getBytes(), "tstBytes".getBytes())
.check(bodyBytes.is("tstBytes".getBytes()).saveAs("bodyInfo")),
)
val scnAvro4s: ScenarioBuilder = scenario("Request Avro4s")
.exec(
kafka("Request Simple Avro4s")
.send(Ingredient("Cheese", 1d, 50d)),
)
.exec(
kafka("Request Avro4s")
.send[String, Ingredient]("key4s", Ingredient("Cheese", 0d, 70d)),
)
val scnRRwo: ScenarioBuilder = scenario("RequestReply w/o answer")
.exec(
kafka("Request Reply Bytes wo").requestReply
.requestTopic("myTopic2")
.replyTopic("test.t2")
.send[Array[Byte], Array[Byte]]("testWO".getBytes(), "tstBytesWO".getBytes()),
)
setUp(
scnRR.inject(atOnceUsers(1)).protocols(kafkaProtocolRRString),
scn.inject(nothingFor(1), atOnceUsers(1)).protocols(kafkaConf),
scnRR2.inject(atOnceUsers(1)).protocols(kafkaProtocolRRBytes),
scn2.inject(nothingFor(2), atOnceUsers(1)).protocols(kafkaConfBytes),
scnAvro4s.inject(atOnceUsers(1)).protocols(kafkaAvro4sConf),
scnRRwo.inject(atOnceUsers(1)).protocols(kafkaProtocolRRBytes2),
scnwokey.inject(nothingFor(1), atOnceUsers(1)).protocols(kafkaConfwoKey),
).assertions(
global.failedRequests.percent.lt(15.0),
)
}