Extract message generator module

Closes ONAP-501

Change-Id: Ia5dc5f67e18c302abbeac7e0373cef479f4befb8
Signed-off-by: kjaniak <kornel.janiak@nokia.com>
Issue-ID: DCAEGEN2-601

2 files changed, 159 insertions, 0 deletions

diff --git a/hv-collector-ves-message-generator/src/test/kotlin/org/onap/dcae/collectors/veshv/ves/message/generator/impl/impl/MessageGeneratorImplTest.kt b/hv-collector-ves-message-generator/src/test/kotlin/org/onap/dcae/collectors/veshv/ves/message/generator/impl/impl/MessageGeneratorImplTest.kt
new file mode 100644
index 00000000..07027173
--- /dev/null
+++ b/hv-collector-ves-message-generator/src/test/kotlin/org/onap/dcae/collectors/veshv/ves/message/generator/impl/impl/MessageGeneratorImplTest.kt
@@ -0,0 +1,84 @@
+/*
+ * ============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.ves.message.generator.impl.impl
+
+import com.google.protobuf.ByteString
+import org.jetbrains.spek.api.Spek
+import org.jetbrains.spek.api.dsl.describe
+import org.jetbrains.spek.api.dsl.given
+import org.jetbrains.spek.api.dsl.it
+import org.onap.dcae.collectors.veshv.ves.message.generator.api.MessageGenerator
+import org.onap.dcae.collectors.veshv.ves.message.generator.config.MessageParameters
+import org.onap.ves.VesEventV5
+import org.onap.ves.VesEventV5.VesEvent.CommonEventHeader.Domain.HVRANMEAS
+import org.onap.ves.VesEventV5.VesEvent.CommonEventHeader.Priority.MEDIUM
+import reactor.test.test
+
+const val SAMPLE_START_EPOCH: Long = 120034455
+const val SAMPLE_LAST_EPOCH: Long = 120034455
+
+/**
+ * @author Jakub Dudycz <jakub.dudycz@nokia.com>
+ * @since June 2018
+ */
+object MessageGeneratorImplTest : Spek({
+    describe("message factory") {
+
+        val generator = MessageGenerator.INSTANCE
+
+        given("only common header") {
+            it("should return infinite flux") {
+                val limit = 1000L
+                generator.createMessageFlux(getSampleMessageParameters()).take(limit).test()
+                        .expectNextCount(limit)
+                        .verifyComplete()
+            }
+        }
+        given("common header and messages amount") {
+            it("should return message flux of specified size") {
+                generator.createMessageFlux((getSampleMessageParameters(5))).test()
+                        .expectNextCount(5)
+                        .verifyComplete()
+            }
+        }
+    }
+})
+
+fun getSampleMessageParameters(amount: Long = -1): MessageParameters {
+    val commonHeader = VesEventV5.VesEvent.CommonEventHeader.newBuilder()
+            .setVersion("sample-version")
+            .setDomain(HVRANMEAS)
+            .setSequence(1)
+            .setPriority(MEDIUM)
+            .setEventId("sample-event-id")
+            .setEventName("sample-event-name")
+            .setEventType("sample-event-type")
+            .setStartEpochMicrosec(SAMPLE_START_EPOCH)
+            .setLastEpochMicrosec(SAMPLE_LAST_EPOCH)
+            .setNfNamingCode("sample-nf-naming-code")
+            .setNfcNamingCode("sample-nfc-naming-code")
+            .setReportingEntityId("sample-reporting-entity-id")
+            .setReportingEntityName(ByteString.copyFromUtf8("sample-reporting-entity-name"))
+            .setSourceId(ByteString.copyFromUtf8("sample-source-id"))
+            .setSourceName("sample-source-name")
+            .build()
+
+    return MessageParameters(commonHeader, amount)
+}
diff --git a/hv-collector-ves-message-generator/src/test/kotlin/org/onap/dcae/collectors/veshv/ves/message/generator/impl/impl/PayloadGeneratorTest.kt b/hv-collector-ves-message-generator/src/test/kotlin/org/onap/dcae/collectors/veshv/ves/message/generator/impl/impl/PayloadGeneratorTest.kt
new file mode 100644
index 00000000..9760208f
--- /dev/null
+++ b/hv-collector-ves-message-generator/src/test/kotlin/org/onap/dcae/collectors/veshv/ves/message/generator/impl/impl/PayloadGeneratorTest.kt
@@ -0,0 +1,75 @@
+/*
+ * ============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.ves.message.generator.impl.impl
+
+import org.jetbrains.spek.api.Spek
+import org.jetbrains.spek.api.dsl.given
+import org.jetbrains.spek.api.dsl.it
+import org.assertj.core.api.Assertions.assertThat
+import org.jetbrains.spek.api.dsl.on
+import org.onap.dcae.collectors.veshv.ves.message.generator.impl.PayloadGenerator
+
+private const val DEFAULT_MEASUREMENTS_NUMBER = 2
+private const val DEFAULT_COUNTERS_NUMBER = 2
+
+private val uriRegex = """sample/uri(\d+)""".toRegex()
+
+object PayloadGeneratorTest : Spek({
+
+    given("payload factory object") {
+        val payloadGenerator = PayloadGenerator()
+
+        on("two generated payloads") {
+            val generatedPayload0 = payloadGenerator.generatePayload()
+            val generatedPayload1 = payloadGenerator.generatePayload()
+            it("URIs should have different names") {
+                val matchResult0 = uriRegex.find(generatedPayload0.getPmObject(0).uri)!!.value
+                val matchResult1 = uriRegex.find(generatedPayload1.getPmObject(0).uri)!!.value
+                assertThat(matchResult0 != matchResult1).isTrue()
+            }
+        }
+
+        on("call with default parameters") {
+            val generatedPayload = payloadGenerator.generatePayload()
+            it("should contain default numbers of measurements") {
+                assertThat(generatedPayload.getPmObject(0).hvRanMeasCount).isEqualTo(DEFAULT_MEASUREMENTS_NUMBER)
+            }
+            it("should contain default numbers of counters in measurement") {
+                assertThat(generatedPayload.getPmObject(0).getHvRanMeas(0).counterSubidCount).isEqualTo(DEFAULT_COUNTERS_NUMBER)
+            }
+        }
+
+        on("call with specified parameters") {
+            val numOfCountPerMeas: Long = 5
+            val numOfMeasPerObject: Int = 10
+            val generatedPayload = payloadGenerator.generatePayload(numOfCountPerMeas, numOfMeasPerObject)
+            it("should contain specified number of measurements") {
+                assertThat(generatedPayload.getPmObject(0).hvRanMeasCount).isEqualTo(numOfMeasPerObject)
+            }
+            it("measurement should contain specified number of counters") {
+                assertThat(generatedPayload.getPmObject(0).hvRanMeasList
+                        .filter { numOfCountPerMeas.toInt() == it.counterSubidCount }
+                        .size)
+                        .isEqualTo(numOfMeasPerObject)
+            }
+
+        }
+    }
+})