sources/hv-collector-xnf-simulator/src/test/kotlin/org/onap/dcae/collectors/veshv/main/OngoingSimulationsTest.kt

   1 /*
   2  * ============LICENSE_START=======================================================
   3  * dcaegen2-collectors-veshv
   4  * ================================================================================
   5  * Copyright (C) 2018 NOKIA
   6  * ================================================================================
   7  * Licensed under the Apache License, Version 2.0 (the "License");
   8  * you may not use this file except in compliance with the License.
   9  * You may obtain a copy of the License at
  10  *
  11  *      http://www.apache.org/licenses/LICENSE-2.0
  12  *
  13  * Unless required by applicable law or agreed to in writing, software
  14  * distributed under the License is distributed on an "AS IS" BASIS,
  15  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  16  * See the License for the specific language governing permissions and
  17  * limitations under the License.
  18  * ============LICENSE_END=========================================================
  19  */
  20 package org.onap.dcae.collectors.veshv.main
  21
  22 import org.assertj.core.api.Assertions.assertThat
  23 import org.jetbrains.spek.api.Spek
  24 import org.jetbrains.spek.api.dsl.describe
  25 import org.jetbrains.spek.api.dsl.given
  26 import org.jetbrains.spek.api.dsl.it
  27 import org.jetbrains.spek.api.dsl.on
  28 import org.onap.dcae.collectors.veshv.simulators.xnf.impl.OngoingSimulations
  29 import org.onap.dcae.collectors.veshv.simulators.xnf.impl.StatusFailure
  30 import org.onap.dcae.collectors.veshv.simulators.xnf.impl.StatusNotFound
  31 import org.onap.dcae.collectors.veshv.simulators.xnf.impl.StatusOngoing
  32 import org.onap.dcae.collectors.veshv.simulators.xnf.impl.StatusSuccess
  33 import org.onap.dcae.collectors.veshv.tests.utils.waitUntilSucceeds
  34 import reactor.core.publisher.Mono
  35 import reactor.core.scheduler.Schedulers
  36 import java.util.*
  37
  38 /**
  39  * @author Piotr Jaszczyk <piotr.jaszczyk@nokia.com>
  40  * @since September 2018
  41  */
  42 internal class OngoingSimulationsTest : Spek({
  43     val scheduler = Schedulers.single()
  44     val cut = OngoingSimulations(scheduler)
  45
  46     describe("simulations repository") {
  47         given("not existing task task id") {
  48             val id = UUID.randomUUID()
  49
  50             on("asking for status") {
  51                 val result = cut.status(id)
  52
  53                 it("should have 'not found' status") {
  54                     assertThat(result).isEqualTo(StatusNotFound)
  55                 }
  56             }
  57         }
  58
  59         given("no tasks") {
  60             on("quering about any pending task") {
  61                 it("should return false") {
  62                     assertThat(cut.isAnySimulationPending()).isFalse()
  63                 }
  64             }
  65         }
  66
  67         given("never ending task") {
  68             val task = neverendingTask()
  69
  70             on("startAsynchronousSimulation") {
  71                 val result = cut.startAsynchronousSimulation(task)
  72
  73                 it("should have ongoing status") {
  74                     assertThat(cut.status(result)).isEqualTo(StatusOngoing)
  75                 }
  76
  77                 it("should return true when asked about any pending tasks") {
  78                     assertThat(cut.isAnySimulationPending()).isTrue()
  79                 }
  80             }
  81         }
  82
  83         given("failing task") {
  84             val (cause, task) = failingTask()
  85
  86             on("startAsynchronousSimulation") {
  87                 val taskID = cut.startAsynchronousSimulation(task)
  88
  89                 it("should have failing status") {
  90                     waitUntilSucceeds {
  91                         assertThat(cut.status(taskID)).isEqualTo(StatusFailure(cause))
  92                     }
  93                 }
  94
  95                 it("should return false when asked about any pending tasks") {
  96                     waitUntilSucceeds {
  97                         assertThat(cut.isAnySimulationPending()).isFalse()
  98                     }
  99                 }
 100             }
 101         }
 102
 103         given("successful task") {
 104             val task = succesfulTask()
 105
 106             on("startAsynchronousSimulation") {
 107                 val taskID = cut.startAsynchronousSimulation(task)
 108
 109                 it("should have successful status") {
 110                     waitUntilSucceeds {
 111                         assertThat(cut.status(taskID)).isEqualTo(StatusSuccess)
 112                     }
 113                 }
 114
 115                 it("should return false when asked about any pending tasks") {
 116                     waitUntilSucceeds {
 117                         assertThat(cut.isAnySimulationPending()).isFalse()
 118                     }
 119                 }
 120             }
 121         }
 122
 123         afterGroup {
 124             scheduler.dispose()
 125         }
 126     }
 127
 128     afterEachTest { cut.clear() }
 129 })
 130
 131 private fun neverendingTask() = Mono.never<Void>()
 132
 133 private fun succesfulTask(): Mono<Void> = Mono.empty<Void>()
 134         .doOnSuccess {
 135             println("great success")
 136         }
 137
 138 private fun failingTask(): Pair<RuntimeException, Mono<Void>> {
 139     val cause = RuntimeException("facepalm")
 140     val task = Mono.error<Void>(cause)
 141     return Pair(cause, task)
 142 }