Fix Common Event Header fields validation

- "sequence" is no longer a required parameter,
  since deafult value "0" is acceptable
- "vesEventListenerVersion" has to match the regular expression "7\.[0-9]+\.[0-9]+"

Signed-off-by: Jakub Dudycz <jakub.dudycz@nokia.com>
Issue-ID: DCAEGEN2-976
Change-Id: I2f9fd6f375ccca3255cc9e035918dc37cc97bd6a

2 files changed, 21 insertions, 5 deletions

diff --git a/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/impl/MessageValidator.kt b/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/impl/MessageValidator.kt
index a4a4374c..fb949079 100644
--- a/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/impl/MessageValidator.kt
+++ b/hv-collector-core/src/main/kotlin/org/onap/dcae/collectors/veshv/impl/MessageValidator.kt
@@ -20,6 +20,7 @@
 package org.onap.dcae.collectors.veshv.impl
 
 import org.onap.dcae.collectors.veshv.domain.headerRequiredFieldDescriptors
+import org.onap.dcae.collectors.veshv.domain.vesEventListenerVersionRegex
 import org.onap.dcae.collectors.veshv.model.VesMessage
 import org.onap.ves.VesEventOuterClass.CommonEventHeader
 
@@ -32,4 +33,6 @@ internal object MessageValidator {
     private fun allMandatoryFieldsArePresent(header: CommonEventHeader) =
             headerRequiredFieldDescriptors
                     .all { fieldDescriptor -> header.hasField(fieldDescriptor) }
+                    .and(vesEventListenerVersionRegex.matches(header.vesEventListenerVersion))
+
 }
diff --git a/hv-collector-core/src/test/kotlin/org/onap/dcae/collectors/veshv/impl/MessageValidatorTest.kt b/hv-collector-core/src/test/kotlin/org/onap/dcae/collectors/veshv/impl/MessageValidatorTest.kt
index 443dfa2f..25bd4f67 100644
--- a/hv-collector-core/src/test/kotlin/org/onap/dcae/collectors/veshv/impl/MessageValidatorTest.kt
+++ b/hv-collector-core/src/test/kotlin/org/onap/dcae/collectors/veshv/impl/MessageValidatorTest.kt
@@ -29,10 +29,7 @@ import org.onap.dcae.collectors.veshv.domain.VesEventDomain
 import org.onap.dcae.collectors.veshv.model.VesMessage
 import org.onap.dcae.collectors.veshv.tests.utils.commonHeader
 import org.onap.dcae.collectors.veshv.tests.utils.vesEventBytes
-
-import org.onap.ves.VesEventOuterClass.CommonEventHeader.Priority
-import org.onap.ves.VesEventOuterClass.CommonEventHeader.getDefaultInstance
-import org.onap.ves.VesEventOuterClass.CommonEventHeader.newBuilder
+import org.onap.ves.VesEventOuterClass.CommonEventHeader.*
 
 internal object MessageValidatorTest : Spek({
 
@@ -91,9 +88,25 @@ internal object MessageValidatorTest : Spek({
                     .build()
             val rawMessageBytes = vesEventBytes(commonHeader)
 
-            it("should not accept not fully initialized message header ") {
+            it("should not accept not fully initialized message header") {
+                val vesMessage = VesMessage(commonHeader, rawMessageBytes)
+                assertThat(cut.isValid(vesMessage)).describedAs("message validation result").isFalse()
+            }
+        }
+
+        on("ves hv message including header with vesEventListenerVersion field not matching required pattern") {
+            val commonHeader = commonHeader(vesEventListenerVersion = "1.2.3")
+            val commonHeader2 = commonHeader(vesEventListenerVersion = "sample-version")
+
+            val rawMessageBytes = vesEventBytes(commonHeader)
+            val rawMessageBytes2 = vesEventBytes(commonHeader2)
+
+            it("should not accept message header") {
                 val vesMessage = VesMessage(commonHeader, rawMessageBytes)
                 assertThat(cut.isValid(vesMessage)).describedAs("message validation result").isFalse()
+
+                val vesMessage2 = VesMessage(commonHeader2, rawMessageBytes2)
+                assertThat(cut.isValid(vesMessage2)).describedAs("second message validation result").isFalse()
             }
         }
     }