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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.main
import arrow.core.Left
import arrow.core.None
import arrow.core.Right
import arrow.effects.IO
import com.nhaarman.mockitokotlin2.any
import com.nhaarman.mockitokotlin2.mock
import com.nhaarman.mockitokotlin2.whenever
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.domain.WireFrameMessage
import org.onap.dcae.collectors.veshv.simulators.xnf.impl.XnfSimulator
import org.onap.dcae.collectors.veshv.simulators.xnf.impl.adapters.VesHvClient
import org.onap.dcae.collectors.veshv.tests.utils.Assertions.assertThat
import org.onap.dcae.collectors.veshv.ves.message.generator.api.MessageGenerator
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.ParsingError
import reactor.core.publisher.Flux
import java.io.ByteArrayInputStream
/**
* @author Piotr Jaszczyk <piotr.jaszczyk@nokia.com>
* @since September 2018
*/
internal class XnfSimulatorTest : Spek({
lateinit var cut: XnfSimulator
lateinit var vesClient: VesHvClient
lateinit var messageParametersParser: MessageParametersParser
lateinit var messageGenerator: MessageGenerator
beforeEachTest {
vesClient = mock()
messageParametersParser = mock()
messageGenerator = mock()
cut = XnfSimulator(vesClient, messageGenerator, messageParametersParser)
}
describe("startSimulation") {
it("should fail when empty input stream") {
// given
val emptyInputStream = ByteArrayInputStream(byteArrayOf())
// when
val result = cut.startSimulation(emptyInputStream)
// then
assertThat(result).isLeft()
}
it("should fail when invalid JSON") {
// given
val invalidJson = "invalid json".byteInputStream()
// when
val result = cut.startSimulation(invalidJson)
// then
assertThat(result).isLeft()
}
it("should fail when JSON syntax is valid but content is invalid") {
// given
val json = "[1,2,3]".byteInputStream()
val cause = ParsingError("epic fail", None)
whenever(messageParametersParser.parse(any())).thenReturn(
Left(cause))
// when
val result = cut.startSimulation(json)
// then
assertThat(result).left().isEqualTo(cause)
}
it("should return generated messages") {
// given
val json = "[true]".byteInputStream()
val messageParams = listOf<MessageParameters>()
val generatedMessages = Flux.empty<WireFrameMessage>()
val sendingIo = IO {}
whenever(messageParametersParser.parse(any())).thenReturn(Right(messageParams))
whenever(messageGenerator.createMessageFlux(messageParams)).thenReturn(generatedMessages)
whenever(vesClient.sendIo(generatedMessages)).thenReturn(sendingIo)
// when
val result = cut.startSimulation(json)
// then
assertThat(result).right().isSameAs(sendingIo)
}
}
})
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