--- /dev/null
+/*
+ * ============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.Left
+import arrow.core.None
+import arrow.core.Some
+import arrow.effects.IO
+import com.google.protobuf.ByteString
+import com.nhaarman.mockito_kotlin.any
+import com.nhaarman.mockito_kotlin.eq
+import com.nhaarman.mockito_kotlin.mock
+import com.nhaarman.mockito_kotlin.never
+import com.nhaarman.mockito_kotlin.verify
+import com.nhaarman.mockito_kotlin.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.mockito.ArgumentMatchers.anySet
+import org.mockito.Mockito
+import org.onap.ves.VesEventV5.VesEvent
+import org.onap.ves.VesEventV5.VesEvent.CommonEventHeader
+import java.util.concurrent.ConcurrentLinkedQueue
+
+/**
+ * @author Piotr Jaszczyk <piotr.jaszczyk@nokia.com>
+ * @since August 2018
+ */
+internal class DcaeAppSimulatorTest : Spek({
+ lateinit var consumerFactory: ConsumerFactory
+ lateinit var messageStreamValidation: MessageStreamValidation
+ lateinit var consumer: Consumer
+ lateinit var cut: DcaeAppSimulator
+
+ beforeEachTest {
+ consumerFactory = mock()
+ messageStreamValidation = mock()
+ consumer = mock()
+ cut = DcaeAppSimulator(consumerFactory, messageStreamValidation)
+
+ whenever(consumerFactory.createConsumerForTopics(anySet())).thenReturn(IO.just(consumer))
+ }
+
+ fun consumerState(vararg messages: ByteArray) = ConsumerState(ConcurrentLinkedQueue(messages.toList()))
+
+ describe("listenToTopics") {
+ val topics = setOf("hvMeas", "faults")
+
+ it("should fail when topic list is empty") {
+ val result = cut.listenToTopics(setOf()).attempt().unsafeRunSync()
+ assertThat(result.isLeft()).isTrue()
+ }
+
+ it("should fail when topic list contains empty strings") {
+ val result = cut.listenToTopics(setOf("hvMeas", " ", "faults")).attempt().unsafeRunSync()
+ assertThat(result.isLeft()).isTrue()
+ }
+
+ it("should subscribe to given topics") {
+ cut.listenToTopics(topics).unsafeRunSync()
+ verify(consumerFactory).createConsumerForTopics(topics)
+ }
+
+ it("should subscribe to given topics when called with comma separated list") {
+ cut.listenToTopics("hvMeas,faults").unsafeRunSync()
+ verify(consumerFactory).createConsumerForTopics(topics)
+ }
+
+ it("should handle errors") {
+ // given
+ val error = RuntimeException("WTF")
+ whenever(consumerFactory.createConsumerForTopics(anySet()))
+ .thenReturn(IO.raiseError(error))
+
+ // when
+ val result = cut.listenToTopics("hvMeas").attempt().unsafeRunSync()
+
+ // then
+ assertThat(result).isEqualTo(Left(error))
+ }
+ }
+
+ describe("state") {
+
+ it("should return None when topics hasn't been initialized") {
+ assertThat(cut.state()).isEqualTo(None)
+ }
+
+ describe("when topics are initialized") {
+ beforeEachTest {
+ cut.listenToTopics("hvMeas").unsafeRunSync()
+ }
+
+ it("should return some state when it has been set") {
+ val state = consumerState()
+ whenever(consumer.currentState()).thenReturn(state)
+
+ assertThat(cut.state()).isEqualTo(Some(state))
+ }
+ }
+ }
+
+ describe("resetState") {
+ it("should do nothing when topics hasn't been initialized") {
+ cut.resetState().unsafeRunSync()
+ verify(consumer, never()).reset()
+ }
+
+ describe("when topics are initialized") {
+ beforeEachTest {
+ cut.listenToTopics("hvMeas").unsafeRunSync()
+ }
+
+ it("should reset the state") {
+ // given
+ whenever(consumer.reset()).thenReturn(IO.unit)
+
+ // when
+ cut.resetState().unsafeRunSync()
+
+ // then
+ verify(consumer).reset()
+ }
+ }
+ }
+
+ describe("validate") {
+ beforeEachTest {
+ whenever(messageStreamValidation.validate(any(), any())).thenReturn(IO.just(true))
+ }
+
+ it("should use empty list when consumer is unavailable") {
+ // when
+ val result = cut.validate("['The JSON']".byteInputStream()).unsafeRunSync()
+
+ // then
+ verify(messageStreamValidation).validate(any(), eq(emptyList()))
+ assertThat(result).isTrue()
+ }
+
+ it("should delegate to MessageStreamValidation") {
+ // given
+ cut.listenToTopics("hvMeas").unsafeRunSync()
+ whenever(consumer.currentState()).thenReturn(consumerState(vesEvent().toByteArray()))
+
+ // when
+ val result = cut.validate("['The JSON']".byteInputStream()).unsafeRunSync()
+
+ // then
+ verify(messageStreamValidation).validate(any(), any())
+ assertThat(result).isTrue()
+ }
+ }
+})
+
+
+private const val DUMMY_EVENT_ID = "aaa"
+private const val DUMMY_PAYLOAD = "payload"
+
+private fun vesEvent(eventId: String = DUMMY_EVENT_ID, payload: String = DUMMY_PAYLOAD): VesEvent {
+ return VesEvent.newBuilder()
+ .setCommonEventHeader(CommonEventHeader.newBuilder()
+ .setEventId(eventId))
+ .setHvRanMeasFields(ByteString.copyFrom(payload.toByteArray()))
+ .build()
+}
Code Review / dcaegen2 / collectors / hv-ves.git / blobdiff