1 files changed, 214 insertions, 0 deletions
diff --git a/sources/hv-collector-dcae-app-simulator/src/test/kotlin/org/onap/dcae/collectors/veshv/simulators/dcaeapp/impl/MessageStreamValidationTest.kt b/sources/hv-collector-dcae-app-simulator/src/test/kotlin/org/onap/dcae/collectors/veshv/simulators/dcaeapp/impl/MessageStreamValidationTest.kt
new file mode 100644
index 00000000..a631be76
--- /dev/null
+++ b/sources/hv-collector-dcae-app-simulator/src/test/kotlin/org/onap/dcae/collectors/veshv/simulators/dcaeapp/impl/MessageStreamValidationTest.kt
@@ -0,0 +1,214 @@
+/*
+ * ============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.Either
+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.assertj.core.api.Assertions.fail
+import org.jetbrains.spek.api.Spek
+import org.jetbrains.spek.api.dsl.describe
+import org.jetbrains.spek.api.dsl.it
+import org.mockito.ArgumentMatchers.anyList
+import org.onap.dcae.collectors.veshv.domain.WireFrameMessage
+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.MessageType
+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: MessageGenerator
+    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
+            when(result) {
+                is Either.Left -> assertThat(result.a).isInstanceOf(JsonParsingException::class.java)
+                else -> fail("validation should fail")
+            }
+        }
+
+        it("should return error when message param list is empty") {
+            // given
+            givenParsedMessageParameters()
+
+            // when
+            val result = cut.validate(sampleJsonAsStream(), listOf()).attempt().unsafeRunSync()
+
+            // then
+            assertThat(result.isLeft()).isTrue()
+        }
+
+        describe("when validating headers only") {
+            it("should return true when messages are the same") {
+                // given
+                val jsonAsStream = sampleJsonAsStream()
+                val event = vesEvent()
+                val generatedWireProtocolFrame = WireFrameMessage(event.toByteArray())
+                val receivedMessageBytes = event.toByteArray()
+
+                givenParsedMessageParameters(MessageParameters(event.commonEventHeader, MessageType.VALID, 1))
+                whenever(messageGenerator.createMessageFlux(anyList())).thenReturn(Flux.just(generatedWireProtocolFrame))
+
+                // 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 generatedWireProtocolFrame = WireFrameMessage(generatedEvent.toByteArray())
+                val receivedMessageBytes = receivedEvent.toByteArray()
+
+                givenParsedMessageParameters(MessageParameters(generatedEvent.commonEventHeader, MessageType.VALID, 1))
+                whenever(messageGenerator.createMessageFlux(anyList())).thenReturn(Flux.just(generatedWireProtocolFrame))
+
+                // 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 generatedWireProtocolFrame = WireFrameMessage(generatedEvent.toByteArray())
+                val receivedMessageBytes = receivedEvent.toByteArray()
+
+                givenParsedMessageParameters(MessageParameters(generatedEvent.commonEventHeader, MessageType.VALID, 1))
+                whenever(messageGenerator.createMessageFlux(anyList())).thenReturn(Flux.just(generatedWireProtocolFrame))
+
+                // 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 generatedWireProtocolFrame = WireFrameMessage(event.toByteArray())
+                val receivedMessageBytes = event.toByteArray()
+
+                givenParsedMessageParameters(MessageParameters(event.commonEventHeader, MessageType.FIXED_PAYLOAD, 1))
+                whenever(messageGenerator.createMessageFlux(anyList())).thenReturn(Flux.just(generatedWireProtocolFrame))
+
+                // 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 generatedWireProtocolFrame = WireFrameMessage(generatedEvent.toByteArray())
+                val receivedMessageBytes = receivedEvent.toByteArray()
+
+                givenParsedMessageParameters(MessageParameters(generatedEvent.commonEventHeader, MessageType.FIXED_PAYLOAD, 1))
+                whenever(messageGenerator.createMessageFlux(anyList())).thenReturn(Flux.just(generatedWireProtocolFrame))
+
+                // 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 generatedWireProtocolFrame = WireFrameMessage(generatedEvent.toByteArray())
+                val receivedMessageBytes = receivedEvent.toByteArray()
+
+                givenParsedMessageParameters(MessageParameters(generatedEvent.commonEventHeader, MessageType.FIXED_PAYLOAD, 1))
+                whenever(messageGenerator.createMessageFlux(anyList())).thenReturn(Flux.just(generatedWireProtocolFrame))
+
+                // 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 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 const val sampleJsonArray = """["headersOnly"]"""
+
+private fun sampleJsonAsStream() = sampleJsonArray.byteInputStream()