Extract test-utils module

- removed duplicate code that was creating VesMessages
and similiar objects
- removed duplicate code in command line parsing tests
- made minor refactorings to avoid passing unnecessary params
and to be as verbose as possible in tests

Closes ONAP-699

Change-Id: I2607f1f775054ae1c5f275c231895f838b415371
Signed-off-by: fkrzywka <filip.krzywka@nokia.com>
Issue-ID: DCAEGEN2-601

3 files changed, 185 insertions, 0 deletions

diff --git a/hv-collector-test-utils/src/main/kotlin/configurations.kt b/hv-collector-test-utils/src/main/kotlin/configurations.kt
new file mode 100644
index 00000000..57843b45
--- /dev/null
+++ b/hv-collector-test-utils/src/main/kotlin/configurations.kt
@@ -0,0 +1,37 @@
+/*
+ * ============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.tests.utils
+
+import arrow.core.identity
+import org.onap.dcae.collectors.veshv.utils.commandline.ArgBasedConfiguration
+import org.onap.dcae.collectors.veshv.utils.commandline.WrongArgumentError
+
+
+fun <T> ArgBasedConfiguration<T>.parseExpectingSuccess(vararg cmdLine: String): T =
+        parse(cmdLine).fold(
+                { throw AssertionError("Parsing result should be present") },
+                ::identity
+        )
+
+fun <T> ArgBasedConfiguration<T>.parseExpectingFailure(vararg cmdLine: String): WrongArgumentError =
+        parse(cmdLine).fold(
+                ::identity,
+                { throw AssertionError("parsing should have failed") }
+        )
\ No newline at end of file
diff --git a/hv-collector-test-utils/src/main/kotlin/messages.kt b/hv-collector-test-utils/src/main/kotlin/messages.kt
new file mode 100644
index 00000000..f8453c64
--- /dev/null
+++ b/hv-collector-test-utils/src/main/kotlin/messages.kt
@@ -0,0 +1,83 @@
+/*
+ * ============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.tests.utils
+
+import com.google.protobuf.ByteString
+import io.netty.buffer.ByteBuf
+import io.netty.buffer.ByteBufAllocator
+import io.netty.buffer.PooledByteBufAllocator
+import org.onap.dcae.collectors.veshv.domain.PayloadWireFrameMessage.Companion.MAX_PAYLOAD_SIZE
+import org.onap.ves.VesEventV5.VesEvent.CommonEventHeader.Domain
+import java.util.UUID.randomUUID
+
+
+val allocator: ByteBufAllocator = PooledByteBufAllocator.DEFAULT
+
+private fun ByteBuf.writeValidWireFrameHeaders() {
+    writeByte(0xFF) // always 0xFF
+    writeByte(0x01)   // version
+    writeByte(0x01)   // content type = GPB
+}
+
+fun vesWireFrameMessage(domain: Domain = Domain.OTHER,
+                        id: String = randomUUID().toString()): ByteBuf =
+        allocator.buffer().run {
+            writeValidWireFrameHeaders()
+
+            val gpb = vesEvent(domain, id).toByteString().asReadOnlyByteBuffer()
+            writeInt(gpb.limit())  // ves event size in bytes
+            writeBytes(gpb)  // ves event as GPB bytes
+        }
+
+fun endOfTransmissionWireMessage(): ByteBuf =
+        allocator.buffer().writeByte(0xAA)
+
+fun wireFrameMessageWithInvalidPayload(): ByteBuf = allocator.buffer().run {
+    writeValidWireFrameHeaders()
+
+    val invalidGpb = "some random data".toByteArray(Charsets.UTF_8)
+    writeInt(invalidGpb.size)  // ves event size in bytes
+    writeBytes(invalidGpb)
+}
+
+fun garbageFrame(): ByteBuf = allocator.buffer().run {
+    writeBytes("the meaning of life is &@)(*_!".toByteArray())
+}
+
+fun invalidWireFrame(): ByteBuf = allocator.buffer().run {
+    writeByte(0xFF)
+    writeByte(0x01)   // version
+    writeByte(0x01)   // content type = GPB
+}
+
+fun vesMessageWithTooBigPayload(domain: Domain = Domain.DOMAIN_UNDEFINED): ByteBuf =
+        allocator.buffer().run {
+            writeValidWireFrameHeaders()
+
+            val gpb = vesEvent(
+                    domain = domain,
+                    hvRanMeasFields = ByteString.copyFrom(ByteArray(MAX_PAYLOAD_SIZE))
+            ).toByteString().asReadOnlyByteBuffer()
+
+            writeInt(gpb.limit())  // ves event size in bytes
+            writeBytes(gpb)  // ves event as GPB bytes
+        }
+
+
diff --git a/hv-collector-test-utils/src/main/kotlin/vesEvents.kt b/hv-collector-test-utils/src/main/kotlin/vesEvents.kt
new file mode 100644
index 00000000..6aeb6206
--- /dev/null
+++ b/hv-collector-test-utils/src/main/kotlin/vesEvents.kt
@@ -0,0 +1,65 @@
+/*
+ * ============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.tests.utils
+
+
+import com.google.protobuf.ByteString
+import com.google.protobuf.MessageLite
+import org.onap.dcae.collectors.veshv.domain.ByteData
+import org.onap.ves.VesEventV5
+import java.util.UUID.randomUUID
+
+fun vesEvent(domain: VesEventV5.VesEvent.CommonEventHeader.Domain = VesEventV5.VesEvent.CommonEventHeader.Domain.HVRANMEAS,
+             id: String = randomUUID().toString(),
+             hvRanMeasFields: ByteString = ByteString.EMPTY
+): VesEventV5.VesEvent = vesEvent(commonHeader(domain, id), hvRanMeasFields)
+
+fun vesEvent(commonEventHeader: VesEventV5.VesEvent.CommonEventHeader,
+             hvRanMeasFields: ByteString = ByteString.EMPTY): VesEventV5.VesEvent =
+        VesEventV5.VesEvent.newBuilder()
+                .setCommonEventHeader(commonEventHeader)
+                .setHvRanMeasFields(hvRanMeasFields)
+                .build()
+
+fun commonHeader(domain: VesEventV5.VesEvent.CommonEventHeader.Domain = VesEventV5.VesEvent.CommonEventHeader.Domain.HVRANMEAS,
+                 id: String = randomUUID().toString(),
+                 priority: VesEventV5.VesEvent.CommonEventHeader.Priority = VesEventV5.VesEvent.CommonEventHeader.Priority.NORMAL): VesEventV5.VesEvent.CommonEventHeader =
+        VesEventV5.VesEvent.CommonEventHeader.newBuilder()
+                .setVersion("sample-version")
+                .setDomain(domain)
+                .setSequence(1)
+                .setPriority(priority)
+                .setEventId(id)
+                .setEventName("sample-event-name")
+                .setEventType("sample-event-type")
+                .setStartEpochMicrosec(120034455)
+                .setLastEpochMicrosec(120034455)
+                .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()
+
+fun vesEventBytes(commonHeader: VesEventV5.VesEvent.CommonEventHeader, byteString: ByteString = ByteString.EMPTY): ByteData =
+        vesEvent(commonHeader, byteString).toByteData()
+
+fun MessageLite.toByteData(): ByteData = ByteData(toByteArray())
\ No newline at end of file