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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 arrow.core.Right
import com.google.protobuf.ByteString
import com.nhaarman.mockitokotlin2.any
import com.nhaarman.mockitokotlin2.mock
import com.nhaarman.mockitokotlin2.whenever
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.tests.utils.assertFailedWithError
import org.onap.dcae.collectors.veshv.ves.message.generator.api.MessageParameters
import org.onap.dcae.collectors.veshv.ves.message.generator.api.MessageParametersParser
import org.onap.dcae.collectors.veshv.ves.message.generator.api.VesEventParameters
import org.onap.dcae.collectors.veshv.ves.message.generator.api.VesEventType.FIXED_PAYLOAD
import org.onap.dcae.collectors.veshv.ves.message.generator.api.VesEventType.VALID
import org.onap.dcae.collectors.veshv.ves.message.generator.generators.VesEventGenerator
import org.onap.ves.VesEventOuterClass.CommonEventHeader
import org.onap.ves.VesEventOuterClass.VesEvent
import reactor.core.publisher.Flux
import javax.json.stream.JsonParsingException
/**
* @author Piotr Jaszczyk <piotr.jaszczyk@nokia.com>
* @since August 2018
*/
internal class MessageStreamValidationTest : Spek({
lateinit var messageParametersParser: MessageParametersParser
lateinit var messageGenerator: VesEventGenerator
lateinit var cut: MessageStreamValidation
beforeEachTest {
messageParametersParser = mock()
messageGenerator = mock()
cut = MessageStreamValidation(messageGenerator, messageParametersParser)
}
fun givenParsedMessageParameters(vararg params: MessageParameters) {
whenever(messageParametersParser.parse(any())).thenReturn(Right(params.toList()))
}
describe("validate") {
it("should return error when JSON is invalid") {
// when
val result = cut.validate("[{invalid json}]".byteInputStream(), listOf()).attempt().unsafeRunSync()
// then
result.assertFailedWithError { it is JsonParsingException }
}
it("should return error when message param list is empty") {
// given
givenParsedMessageParameters()
// when
val result = cut.validate(sampleJsonAsStream(), listOf()).attempt().unsafeRunSync()
// then
result.assertFailedWithError { it is IllegalArgumentException }
}
describe("when validating headers only") {
it("should return true when messages are the same") {
// given
val jsonAsStream = sampleJsonAsStream()
val event = vesEvent()
val receivedMessageBytes = event.toByteArray()
givenParsedMessageParameters(VesEventParameters(event.commonEventHeader, VALID, 1))
whenever(messageGenerator.createMessageFlux(any())).thenReturn(Flux.just(event))
// when
val result = cut.validate(jsonAsStream, listOf(receivedMessageBytes)).unsafeRunSync()
// then
assertThat(result).isTrue()
}
it("should return true when messages differ with payload only") {
// given
val jsonAsStream = sampleJsonAsStream()
val generatedEvent = vesEvent(payload = "payload A")
val receivedEvent = vesEvent(payload = "payload B")
val receivedMessageBytes = receivedEvent.toByteArray()
givenParsedMessageParameters(VesEventParameters(generatedEvent.commonEventHeader, VALID, 1))
whenever(messageGenerator.createMessageFlux(any())).thenReturn(Flux.just(generatedEvent))
// when
val result = cut.validate(jsonAsStream, listOf(receivedMessageBytes)).unsafeRunSync()
// then
assertThat(result).isTrue()
}
it("should return false when messages are different") {
// given
val jsonAsStream = sampleJsonAsStream()
val generatedEvent = vesEvent()
val receivedEvent = vesEvent(eventId = "bbb")
val receivedMessageBytes = receivedEvent.toByteArray()
givenParsedMessageParameters(VesEventParameters(generatedEvent.commonEventHeader, VALID, 1))
whenever(messageGenerator.createMessageFlux(any())).thenReturn(Flux.just(generatedEvent))
// when
val result = cut.validate(jsonAsStream, listOf(receivedMessageBytes)).unsafeRunSync()
// then
assertThat(result).isFalse()
}
}
describe("when validating whole messages") {
it("should return true when messages are the same") {
// given
val jsonAsStream = sampleJsonAsStream()
val event = vesEvent()
val receivedMessageBytes = event.toByteArray()
givenParsedMessageParameters(VesEventParameters(event.commonEventHeader, FIXED_PAYLOAD, 1))
whenever(messageGenerator.createMessageFlux(any())).thenReturn(Flux.just(event))
// when
val result = cut.validate(jsonAsStream, listOf(receivedMessageBytes)).unsafeRunSync()
// then
assertThat(result).isTrue()
}
it("should return false when messages differ with payload only") {
// given
val jsonAsStream = sampleJsonAsStream()
val generatedEvent = vesEvent(payload = "payload A")
val receivedEvent = vesEvent(payload = "payload B")
val receivedMessageBytes = receivedEvent.toByteArray()
givenParsedMessageParameters(VesEventParameters(generatedEvent.commonEventHeader, FIXED_PAYLOAD, 1))
whenever(messageGenerator.createMessageFlux(any())).thenReturn(Flux.just(generatedEvent))
// when
val result = cut.validate(jsonAsStream, listOf(receivedMessageBytes)).unsafeRunSync()
// then
assertThat(result).isFalse()
}
it("should return false when messages are different") {
// given
val jsonAsStream = sampleJsonAsStream()
val generatedEvent = vesEvent()
val receivedEvent = vesEvent("bbb")
val receivedMessageBytes = receivedEvent.toByteArray()
givenParsedMessageParameters(VesEventParameters(generatedEvent.commonEventHeader, FIXED_PAYLOAD, 1))
whenever(messageGenerator.createMessageFlux(any())).thenReturn(Flux.just(generatedEvent))
// when
val result = cut.validate(jsonAsStream, listOf(receivedMessageBytes)).unsafeRunSync()
// then
assertThat(result).isFalse()
}
}
}
})
private const val DUMMY_EVENT_ID = "aaa"
private const val DUMMY_PAYLOAD = "payload"
private const val sampleJsonArray = """["headersOnly"]"""
private fun vesEvent(eventId: String = DUMMY_EVENT_ID, payload: String = DUMMY_PAYLOAD): VesEvent {
return VesEvent.newBuilder()
.setCommonEventHeader(CommonEventHeader.newBuilder()
.setEventId(eventId))
.setEventFields(ByteString.copyFrom(payload.toByteArray()))
.build()
}
private fun sampleJsonAsStream() = sampleJsonArray.byteInputStream()
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