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/*
* ============LICENSE_START=======================================================
* dcaegen2-collectors-veshv
* ================================================================================
* Copyright (C) 2018 NOKIA
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.onap.dcae.collectors.veshv.simulators.dcaeapp.impl
import org.apache.kafka.clients.consumer.ConsumerRecord
import org.assertj.core.api.Assertions.assertThat
import org.jetbrains.spek.api.Spek
import org.jetbrains.spek.api.dsl.describe
import org.jetbrains.spek.api.dsl.it
import reactor.kafka.receiver.ReceiverRecord
/**
* @author Piotr Jaszczyk <piotr.jaszczyk@nokia.com>
* @since August 2018
*/
internal class ConsumerTest : Spek({
lateinit var cut: Consumer
beforeEachTest {
cut = Consumer()
}
describe("Consumer which holds the state of received Kafka records") {
it("should contain empty state in the beginning") {
assertEmptyState(cut)
}
describe("update") {
val value = byteArrayOf(2)
beforeEachTest {
cut.update(receiverRecord(
topic = "topic",
key = byteArrayOf(1),
value = value
)).unsafeRunSync()
}
it("should contain one message if it was updated once") {
assertState(cut, value)
}
it("should contain empty state message if it was reset after update") {
cut.reset().unsafeRunSync()
assertEmptyState(cut)
}
}
}
})
fun assertEmptyState(cut: Consumer) {
assertState(cut)
}
fun assertState(cut: Consumer, vararg values: ByteArray) {
assertThat(cut.currentState().consumedMessages)
.containsOnly(*values)
assertThat(cut.currentState().messagesCount)
.isEqualTo(values.size)
}
fun receiverRecord(topic: String, key: ByteArray, value: ByteArray) =
ReceiverRecord(ConsumerRecord(topic, 1, 100L, key, value), null)
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