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/*
* ============LICENSE_START=======================================================
* dcaegen2-collectors-veshv
* ================================================================================
* Copyright (C) 2018-2019 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.tests.component
import arrow.core.None
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 org.onap.dcae.collectors.veshv.config.api.model.CollectorConfiguration
import org.onap.dcae.collectors.veshv.config.api.model.Routing
import org.onap.dcae.collectors.veshv.domain.VesEventDomain.HEARTBEAT
import org.onap.dcae.collectors.veshv.domain.VesEventDomain.MEASUREMENT
import org.onap.dcae.collectors.veshv.domain.VesEventDomain.OTHER
import org.onap.dcae.collectors.veshv.domain.VesEventDomain.PERF3GPP
import org.onap.dcae.collectors.veshv.tests.fakes.ALTERNATE_PERF3GPP_TOPIC
import org.onap.dcae.collectors.veshv.tests.fakes.MAX_PAYLOAD_SIZE_BYTES
import org.onap.dcae.collectors.veshv.tests.fakes.PERF3GPP_TOPIC
import org.onap.dcae.collectors.veshv.tests.fakes.StoringSink
import org.onap.dcae.collectors.veshv.tests.fakes.basicRouting
import org.onap.dcae.collectors.veshv.tests.fakes.twoDomainsToOneTopicRouting
import org.onap.dcae.collectors.veshv.tests.utils.garbageFrame
import org.onap.dcae.collectors.veshv.tests.utils.messageWithInvalidWireFrameHeader
import org.onap.dcae.collectors.veshv.tests.utils.messageWithPayloadOfSize
import org.onap.dcae.collectors.veshv.tests.utils.vesWireFrameMessage
import org.onap.dcae.collectors.veshv.tests.utils.wireFrameMessageWithInvalidPayload
/**
* @author Piotr Jaszczyk <piotr.jaszczyk@nokia.com>
* @since May 2018
*/
object VesHvSpecification : Spek({
debugRx(false)
describe("VES High Volume Collector") {
it("should handle multiple HV RAN events") {
val (sut, sink) = vesHvWithStoringSink()
val messages = sut.handleConnection(sink,
vesWireFrameMessage(PERF3GPP),
vesWireFrameMessage(PERF3GPP)
)
assertThat(messages)
.describedAs("should send all events")
.hasSize(2)
}
it("should create sink lazily") {
val (sut, sink) = vesHvWithStoringSink()
// just connecting should not create sink
sut.handleConnection()
sut.close().block()
// then
assertThat(sink.closed).isFalse()
}
it("should close sink when closing collector provider") {
val (sut, sink) = vesHvWithStoringSink()
// given Sink initialized
// Note: as StoringSink is (hopefully) created lazily, "valid" ves message needs to be sent
sut.handleConnection(vesWireFrameMessage(PERF3GPP))
// when
sut.close().block()
// then
assertThat(sink.closed).isTrue()
}
}
describe("Memory management") {
it("should release memory for each handled and dropped message") {
val (sut, sink) = vesHvWithStoringSink()
val validMessage = vesWireFrameMessage(PERF3GPP)
val msgWithInvalidFrame = messageWithInvalidWireFrameHeader()
val msgWithTooBigPayload = messageWithPayloadOfSize(MAX_PAYLOAD_SIZE_BYTES + 1, PERF3GPP)
val expectedRefCnt = 0
val handledEvents = sut.handleConnection(
sink, validMessage, msgWithInvalidFrame, msgWithTooBigPayload)
assertThat(handledEvents).hasSize(1)
assertThat(validMessage.refCnt())
.describedAs("handled message should be released")
.isEqualTo(expectedRefCnt)
assertThat(msgWithInvalidFrame.refCnt())
.describedAs("message with invalid frame should be released")
.isEqualTo(expectedRefCnt)
assertThat(msgWithTooBigPayload.refCnt())
.describedAs("message with payload exceeding 1MiB should be released")
.isEqualTo(expectedRefCnt)
}
it("should release memory for each message with invalid payload") {
val (sut, sink) = vesHvWithStoringSink()
val validMessage = vesWireFrameMessage(PERF3GPP)
val msgWithInvalidPayload = wireFrameMessageWithInvalidPayload()
val expectedRefCnt = 0
val handledEvents = sut.handleConnection(sink, validMessage, msgWithInvalidPayload)
assertThat(handledEvents).hasSize(1)
assertThat(validMessage.refCnt())
.describedAs("handled message should be released")
.isEqualTo(expectedRefCnt)
assertThat(msgWithInvalidPayload.refCnt())
.describedAs("message with invalid payload should be released")
.isEqualTo(expectedRefCnt)
}
it("should release memory for each message with garbage frame") {
val (sut, sink) = vesHvWithStoringSink()
val validMessage = vesWireFrameMessage(PERF3GPP)
val msgWithGarbageFrame = garbageFrame()
val expectedRefCnt = 0
val handledEvents = sut.handleConnection(sink, validMessage, msgWithGarbageFrame)
assertThat(handledEvents).hasSize(1)
assertThat(validMessage.refCnt())
.describedAs("handled message should be released")
.isEqualTo(expectedRefCnt)
assertThat(msgWithGarbageFrame.refCnt())
.describedAs("message with garbage frame should be released")
.isEqualTo(expectedRefCnt)
}
}
describe("message routing") {
it("should direct message to a topic by means of routing configuration") {
val (sut, sink) = vesHvWithStoringSink()
val messages = sut.handleConnection(sink, vesWireFrameMessage(PERF3GPP))
assertThat(messages).describedAs("number of routed messages").hasSize(1)
val msg = messages[0]
assertThat(msg.targetTopic).describedAs("routed message topic").isEqualTo(PERF3GPP_TOPIC)
assertThat(msg.partition).describedAs("routed message partition").isEqualTo(None)
}
it("should be able to direct 2 messages from different domains to one topic") {
val (sut, sink) = vesHvWithStoringSink(twoDomainsToOneTopicRouting)
val messages = sut.handleConnection(sink,
vesWireFrameMessage(PERF3GPP),
vesWireFrameMessage(HEARTBEAT),
vesWireFrameMessage(MEASUREMENT))
assertThat(messages).describedAs("number of routed messages").hasSize(3)
assertThat(messages[0].targetTopic).describedAs("first message topic")
.isEqualTo(PERF3GPP_TOPIC)
assertThat(messages[1].targetTopic).describedAs("second message topic")
.isEqualTo(PERF3GPP_TOPIC)
assertThat(messages[2].targetTopic).describedAs("last message topic")
.isEqualTo(ALTERNATE_PERF3GPP_TOPIC)
}
it("should drop message if route was not found") {
val (sut, sink) = vesHvWithStoringSink()
val messages = sut.handleConnection(sink,
vesWireFrameMessage(OTHER, "first"),
vesWireFrameMessage(PERF3GPP, "second"),
vesWireFrameMessage(HEARTBEAT, "third"))
assertThat(messages).describedAs("number of routed messages").hasSize(1)
val msg = messages[0]
assertThat(msg.targetTopic).describedAs("routed message topic").isEqualTo(PERF3GPP_TOPIC)
assertThat(msg.message.header.eventId).describedAs("routed message eventId").isEqualTo("second")
}
}
describe("request validation") {
it("should reject message with payload greater than 1 MiB and all subsequent messages") {
val (sut, sink) = vesHvWithStoringSink()
val handledMessages = sut.handleConnection(sink,
vesWireFrameMessage(PERF3GPP, "first"),
messageWithPayloadOfSize(MAX_PAYLOAD_SIZE_BYTES + 1, PERF3GPP),
vesWireFrameMessage(PERF3GPP))
assertThat(handledMessages).hasSize(1)
assertThat(handledMessages.first().message.header.eventId).isEqualTo("first")
}
}
})
private fun vesHvWithStoringSink(routing: Routing = basicRouting): Pair<Sut, StoringSink> {
val sink = StoringSink()
val sut = Sut(CollectorConfiguration(routing), sink)
return Pair(sut, sink)
}
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