Introduced yaml parser as common lib

Introduced parser with capability of search for given json paths.
Introduced cucumber tests for gab service

Change-Id: I154d71085ee82c1ead7c4e002a488524f60c5d8d
Issue-ID: SDC-2094
Signed-off-by: Tomasz Golabek <tomasz.golabek@nokia.com>

3 files changed, 609 insertions, 0 deletions

diff --git a/common/onap-generic-artifact-browser/onap-generic-artifact-browser-service/src/test/java/org/onap/sdc/gab/yaml/GABYamlParserTest.java b/common/onap-generic-artifact-browser/onap-generic-artifact-browser-service/src/test/java/org/onap/sdc/gab/yaml/GABYamlParserTest.java
new file mode 100644
index 0000000000..6589209f96
--- /dev/null
+++ b/common/onap-generic-artifact-browser/onap-generic-artifact-browser-service/src/test/java/org/onap/sdc/gab/yaml/GABYamlParserTest.java
@@ -0,0 +1,195 @@
+/*
+ * ============LICENSE_START=======================================================
+ * GAB
+ * ================================================================================
+ * Copyright (C) 2019 Nokia Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.sdc.gab.yaml;
+
+import static org.hamcrest.MatcherAssert.assertThat;
+import static org.hamcrest.Matchers.equalTo;
+import static org.hamcrest.Matchers.is;
+import static org.junit.jupiter.api.Assertions.assertThrows;
+
+import com.google.common.collect.Sets;
+import java.io.IOException;
+import java.util.Collections;
+import org.junit.jupiter.api.Test;
+import org.onap.sdc.gab.model.GABResult;
+import org.onap.sdc.gab.model.GABResultEntry;
+import org.onap.sdc.gab.model.GABResults;
+
+class GABYamlParserTest {
+
+    private static final String EVENT_PRESENCE = "event.presence";
+    private static final String REQUIRED = "required";
+    private static final String INVALID_EVENT_HEARTBEAT_ACTION = "event.heartbeatAction.[1]";
+    private static final String EVENT_HEARTBEAT_ACTION = "event.heartbeatAction[1]";
+    private static final String FAULT = "fault";
+    private static final String DOMAIN_VALUE = "event.structure.commonEventHeader.structure.domain.value";
+    private static final String VNF_DOWN = "vnfDown";
+    private static final String SYSLOG = "syslog";
+    private static final String EVENT_STRUCTURE_HEARTBEAT_FIELDS_PRESENCE = "event.structure.heartbeatFields.presence";
+    private static final String HEARTBEAT = "heartbeat";
+    private static final String MEASUREMENTS_FOR_VF_SCALING = "measurementsForVfScaling";
+    private static final String EVENT = "event";
+    private static final String TEST = "test";
+    private static final String NONEXISTENT_FILE = "nonexistent.file";
+    private static final String FAULT_REGISTRATION_YML = "yaml/faultRegistration.yml";
+    private static final String INVALID_YML = "yaml/invalid.yml";
+
+    @Test
+    void shouldNotParseAnyYamlAndGenerateEmptyMapOfKeys() throws Exception {
+        GABResults result;
+        try (GABYamlParser yamlParser = new GABYamlParser(new YamlParser())){
+            result = yamlParser.filter(TEST).collect();
+        }
+        assertResultIsEmpty(result);
+    }
+
+    @Test
+    void shouldParseNonexistentYamlAndGenerateEmptyMapOfKeys() throws Exception {
+        GABResults result;
+        try (GABYamlParser yamlParser = new GABYamlParser(new YamlParser())){
+            result = yamlParser.parseFile(NONEXISTENT_FILE).collect();
+        }
+        assertResultIsEmpty(result);
+    }
+
+    @Test
+    void shouldParseExistentFileYamlAndGenerateEmptyMapOfKeysIfNoKeywordsSearched() throws Exception {
+        GABResults result;
+        try (GABYamlParser yamlParser = new GABYamlParser(new YamlParser())){
+            result = yamlParser.parseFile(FAULT_REGISTRATION_YML).collect();
+        }
+        assertResultIsEmpty(result);
+    }
+
+    @Test
+    void shouldParseFaultRegistrationAndGenerateMapOfKeysOnSingleFilter() throws Exception {
+        GABResults result;
+        try (GABYamlParser yamlParser = new GABYamlParser(new YamlParser())){
+            result = yamlParser.parseFile(FAULT_REGISTRATION_YML)
+                .filter(EVENT_PRESENCE).filter(EVENT_PRESENCE).collect();
+
+        }
+        assertRowsSize(result, 5);
+        assertThatEntryIsEqualTo(result, 0, 0, EVENT_PRESENCE, REQUIRED);
+    }
+
+    @Test
+    void shouldParseFaultRegistrationAndGenerateMapOfKeysOnTwoIndependentFilters() throws Exception {
+        GABResults result;
+        try (GABYamlParser yamlParser = new GABYamlParser(new YamlParser())){
+            result = yamlParser.parseFile(FAULT_REGISTRATION_YML)
+                .filter(DOMAIN_VALUE)
+                .filter(EVENT_PRESENCE)
+                .collect();
+
+        }
+        assertRowsSize(result, 5);
+        assertThatEntryIsEqualTo(result, 0 , 0, DOMAIN_VALUE, FAULT);
+        assertThatEntryIsEqualTo(result, 4 , 0, DOMAIN_VALUE, SYSLOG);
+    }
+
+    @Test
+    void shouldParseFaultRegistrationAndGenerateMapOfKeysOnTwoDependentFilters() throws Exception {
+        GABResults result;
+        try (GABYamlParser yamlParser = new GABYamlParser(new YamlParser())){
+            result = yamlParser.parseFile(FAULT_REGISTRATION_YML)
+                .filter(Sets.newHashSet(DOMAIN_VALUE, EVENT_PRESENCE))
+                .collect();
+
+        }
+        assertRowsSize(result, 5);
+        assertThatEntryIsEqualTo(result, 0, 0, DOMAIN_VALUE, FAULT);
+        assertThatEntryIsEqualTo(result, 4, 0, DOMAIN_VALUE, SYSLOG);
+    }
+
+    @Test
+    void shouldParseFaultRegistrationAndGenerateMapOfKeysOnThreeCombinedFilters() throws Exception {
+        GABResults result;
+        try (GABYamlParser yamlParser = new GABYamlParser(new YamlParser())){
+            result = yamlParser.parseFile(FAULT_REGISTRATION_YML)
+                .filter(Sets.newHashSet(DOMAIN_VALUE, EVENT_PRESENCE))
+                .filter(EVENT_STRUCTURE_HEARTBEAT_FIELDS_PRESENCE)
+                .collect();
+
+        }
+        assertRowsSize(result, 5);
+        assertThatEntryIsEqualTo(result, 0,0, DOMAIN_VALUE, FAULT);
+        assertThatEntryIsEqualTo(result, 0,1, EVENT_PRESENCE, REQUIRED);
+        assertThatEntryIsEqualTo(result, 1,0, DOMAIN_VALUE, FAULT);
+        assertThatEntryIsEqualTo(result, 1,1, EVENT_PRESENCE, REQUIRED);
+        assertThatEntryIsEqualTo(result, 2,0, DOMAIN_VALUE, HEARTBEAT);
+        assertThatEntryIsEqualTo(result, 2,1, EVENT_PRESENCE, REQUIRED);
+        assertThatEntryIsEqualTo(result, 3,0, DOMAIN_VALUE, MEASUREMENTS_FOR_VF_SCALING);
+        assertThatEntryIsEqualTo(result, 3,1, EVENT_PRESENCE, REQUIRED);
+        assertThatEntryIsEqualTo(result, 4,0, DOMAIN_VALUE, SYSLOG);
+        assertThatEntryIsEqualTo(result, 4,1, EVENT_PRESENCE, REQUIRED);
+    }
+
+    @Test
+    void shouldParseFaultRegistrationAndGenerateMapOfKeysOnFilterFromArray() throws Exception {
+        GABResults result;
+        try (GABYamlParser yamlParser = new GABYamlParser(new YamlParser())){
+            result = yamlParser.parseFile(FAULT_REGISTRATION_YML)
+                .filter(Sets.newHashSet(EVENT_HEARTBEAT_ACTION, EVENT_PRESENCE))
+                .collect();
+        }
+        assertRowsSize(result, 5);
+        assertThatEntryIsEqualTo(result,0,0, EVENT_PRESENCE, REQUIRED);
+        assertThatEntryIsEqualTo(result,2,1, EVENT_HEARTBEAT_ACTION, VNF_DOWN);
+    }
+
+    @Test
+    void shouldParseFaultRegistrationAndGenerateMapOfKeysRemovingInvalidKey() throws Exception {
+        GABResults result;
+        try (GABYamlParser yamlParser = new GABYamlParser(new YamlParser())){
+            result = yamlParser.parseFile(FAULT_REGISTRATION_YML)
+                .filter(Sets.newHashSet(INVALID_EVENT_HEARTBEAT_ACTION, EVENT_PRESENCE))
+                .collect();
+        }
+        assertRowsSize(result, 5);
+        assertThatEntryIsEqualTo(result, 0, 0, EVENT_PRESENCE, REQUIRED);
+    }
+
+    @Test
+    void shouldParseInvalidYamlAndGenerateIOException() {
+        assertThrows(IOException.class, () -> {
+        try (GABYamlParser yamlParser = new GABYamlParser(new YamlParser())){
+            yamlParser.parseFile(INVALID_YML)
+                .filter(EVENT)
+                .collect();
+        }});
+    }
+
+    private void assertThatEntryIsEqualTo(GABResults result, int rowIndex, int entryIndex, String path, String data){
+        GABResultEntry entry = result.getRows().get(rowIndex).getEntries().get(entryIndex);
+        assertThat(entry.getData(), is(equalTo(data)));
+        assertThat(entry.getPath(), is(equalTo(path)));
+    }
+
+    private void assertResultIsEmpty(GABResults result) {
+        assertThat(result.getRows(), is(equalTo(Collections.<GABResult>emptyList())));
+    }
+
+    private void assertRowsSize(GABResults results, int size){
+        assertThat(results.getRows().size(), is(equalTo(size)));
+    }
+
+}
\ No newline at end of file
diff --git a/common/onap-generic-artifact-browser/onap-generic-artifact-browser-service/src/test/resources/yaml/faultRegistration.yml b/common/onap-generic-artifact-browser/onap-generic-artifact-browser-service/src/test/resources/yaml/faultRegistration.yml
new file mode 100644
index 0000000000..447af5e469
--- /dev/null
+++ b/common/onap-generic-artifact-browser/onap-generic-artifact-browser-service/src/test/resources/yaml/faultRegistration.yml
@@ -0,0 +1,412 @@
+---
+# registration for Fault\_vMrf\_alarm003
+# Constants: the values of domain, eventName, priority, vfstatus
+# , version, alarmCondition, eventSeverity, eventSourceType,
+# faultFieldsVersion, specificProblem,
+# Variables (to be supplied at runtime) include: eventId, lastEpochMicrosec,
+
+# reportingEntityId, reportingEntityName, sequence, sourceId, sourceName,
+# startEpochMicrosec
+
+event: {presence: required, action: [ any, any, alarm003,RECO-rebuildVnf ],
+        structure: {
+          commonEventHeader: {presence: required, structure: {
+            domain: {presence: required, value: fault},
+            eventName: {presence: required, value: Fault\_vMrf\_alarm003},
+            eventId: {presence: required},
+            nfNamingCode: {value: mrfx},
+            priority: {presence: required, value: Medium},
+            reportingEntityId: {presence: required},
+            reportingEntityName: {presence: required},
+            sequence: {presence: required},
+            sourceId: {presence: required},
+            sourceName: {presence: required},
+            startEpochMicrosec: {presence: required},
+            lastEpochMicrosec: {presence: required},
+            version: {presence: required, value: 3.0}
+          }},
+          faultFields: {presence: required, structure: {
+            alarmCondition: {presence: required, value: alarm003},
+            eventSeverity: {presence: required, value: MAJOR},
+            eventSourceType: {presence: required, value: virtualNetworkFunction},
+            faultFieldsVersion: {presence: required, value: 2.0},
+            specificProblem: {presence: required, value: "Configuration file was
+                        corrupt or not present"},
+            vfStatus: {presence: required, value: "Requesting Termination"}
+          }}
+        }}
+---
+# registration for clearing Fault\_vMrf\_alarm003Cleared
+# Constants: the values of domain, eventName, priority,
+# , version, alarmCondition, eventSeverity, eventSourceType,
+# faultFieldsVersion, specificProblem,
+# Variables (to be supplied at runtime) include: eventId,lastEpochMicrosec,
+# reportingEntityId, reportingEntityName, sequence, sourceId,
+# sourceName, startEpochMicrosec, vfStatus
+event: {presence: required, action: [ any, any, alarm003, Clear ], structure: {
+  commonEventHeader: {presence: required, structure: {
+    domain: {presence: required, value: fault},
+    eventName: {presence: required, value: Fault\_vMrf\_alarm003Cleared},
+    eventId: {presence: required},
+    nfNamingCode: {value: mrfx},
+    priority: {presence: required, value: Medium},
+    reportingEntityId: {presence: required},
+    reportingEntityName: {presence: required},
+    sequence: {presence: required},
+    sourceId: {presence: required},
+    sourceName: {presence: required},
+    startEpochMicrosec: {presence: required},
+    lastEpochMicrosec: {presence: required},
+    version: {presence: required, value: 3.0}
+  }},
+  faultFields: {presence: required, structure: {
+    alarmCondition: {presence: required, value: alarm003},
+    eventSeverity: {presence: required, value: NORMAL},
+    eventSourceType: {presence: required, value: virtualNetworkFunction},
+    faultFieldsVersion: {presence: required, value: 2.0},
+    specificProblem: {presence: required, value: "Valid configuration file found"},
+    vfStatus: {presence: required, value: "Requesting Termination"}
+  }}
+}}
+---
+# registration for Heartbeat_vMRF
+# Constants: the values of domain, eventName, priority, version
+# Variables (to be supplied at runtime) include: eventId, lastEpochMicrosec,
+# reportingEntityId, reportingEntityName, sequence, sourceId, sourceName,
+# startEpochMicrosec
+event: {presence: required, heartbeatAction: [3, vnfDown,RECO-rebuildVnf],
+        structure: {
+          commonEventHeader: {presence: required, structure: {
+            domain: {presence: required, value: heartbeat},
+            eventName: {presence: required, value: Heartbeat\_vMrf},
+            eventId: {presence: required},
+            nfNamingCode: {value: mrfx},
+            priority: {presence: required, value: Normal},
+            reportingEntityId: {presence: required},
+            reportingEntityName: {presence: required},
+            sequence: {presence: required},
+            sourceId: {presence: required},
+            sourceName: {presence: required},
+            startEpochMicrosec: {presence: required},
+            lastEpochMicrosec: {presence: required},
+            version: {presence: required, value: 3.0}
+          }},
+          heartbeatFields: {presence: optional, structure:{
+            heartbeatFieldsVersion: {presence: required, value: 1.0},
+            heartbeatInterval: {presence: required, range: [ 15, 300 ], default: 60 }
+          }}
+        }}
+---
+# registration for Mfvs\_vMRF
+# Constants: the values of domain, eventName, priority, version,
+# measurementFieldsVersion, additionalMeasurements.namedArrayOfFields.name,
+# Variables (to be supplied at runtime) include: eventId, reportingEntityName, sequence,
+# sourceName, start/lastEpochMicrosec, measurementInterval,
+# concurrentSessions, requestRate, numberOfMediaPortsInUse,
+# cpuUsageArray.cpuUsage,cpuUsage.cpuIdentifier, cpuUsage.percentUsage,
+# additionalMeasurements.namedArrayOfFields.arrayOfFields,
+# vNicPerformance.receivedOctetsAccumulated,
+# vNicPerformance.transmittedOctetsAccumulated,
+# vNicPerformance.receivedTotalPacketsAccumulated,
+# vNicPerformance.transmittedTotalPacketsAccumulated,
+# vNicPerformance.vNicIdentifier, vNicPerformance.receivedOctetsDelta,
+# vNicPerformance.receivedTotalPacketsDelta,
+# vNicPerformance.transmittedOctetsDelta,
+# vNicPerformance.transmittedTotalPacketsDelta,
+# vNicPerformance.valuesAreSuspect, memoryUsageArray.memoryUsage,
+# memoryUsage.memoryConfigured, memoryUsage.vmIdentifier,
+# memoryUsage.memoryUsed, memoryUsage.memoryFree
+event: {presence: required, structure: {
+  commonEventHeader: {presence: required, structure: {
+    domain: {presence: required, value: measurementsForVfScaling},
+    eventName: {presence: required, value: Mfvs\_vMrf},
+    eventId: {presence: required},
+    nfNamingCode: {value: mrfx},
+    priority: {presence: required, value: Normal},
+    reportingEntityId: {presence: required},
+    reportingEntityName: {presence: required},
+    sequence: {presence: required},
+    sourceId: {presence: required},
+    sourceName: {presence: required},
+    startEpochMicrosec: {presence: required},
+    lastEpochMicrosec: {presence: required},
+    version: {presence: required, value: 3.0}
+  }},
+  measurementsForVfScalingFields: {presence: required, structure: {
+    measurementFieldsVersion: {presence: required, value: 2.0},
+    measurementInterval: {presence: required, range: [ 60, 3600 ], default:300},
+    concurrentSessions: {presence: required, range: [ 0, 100000 ]},
+    requestRate: {presence: required, range: [ 0, 100000 ]},
+    numberOfMediaPortsInUse: {presence: required, range: [ 0, 100000 ]},
+    cpuUsageArray: {presence: required, array: [
+      cpuUsage: {presence: required, structure: {
+        cpuIdentifier: {presence: required},
+        percentUsage: {presence: required, range: [ 0, 100 ],
+                       action: [80, up, CpuUsageHigh, RECO-scaleOut],
+                       action: [10, down, CpuUsageLow, RECO-scaleIn]}
+      }}
+    ]},
+    memoryUsageArray: {presence: required, array: [
+      memoryUsage: {presence: required, structure: {
+        memoryConfigured: {presence: required, value: 33554432},
+        memoryFree: {presence: required, range: [ 0, 33554432 ],
+                     action: [100, down, FreeMemLow, RECO-scaleOut],
+                     action: [30198989, up, FreeMemHigh, RECO-scaleIn]},
+        memoryUsed: {presence: required, range: [ 0, 33554432 ]},
+        vmIdentifier: {presence: required}
+      }}
+    ]},
+    additionalMeasurements: {presence: required, array: [
+      namedArrayOfFields: {presence: required, structure: {
+        name: {presence: required, value: licenseUsage},
+        arrayOfFields: {presence: required, array: [
+          field: {presence: required, structure: {
+            name: {presence: required, value: G711AudioPort},
+            value: {presence: required, range: [ 0, 100000 ],
+                    units: numberOfPorts }
+          }},
+          field: {presence: required, structure: {
+            name: {presence: required, value: G729AudioPort},
+            value: {presence: required, range: [ 0, 100000 ],
+                    units: numberOfPorts }
+          }},
+          field: {presence: required, structure: {
+            name: {presence: required, value: G722AudioPort},
+            value: {presence: required, range: [ 0, 100000 ],
+                    units: numberOfPorts }
+          }},
+          field: {presence: required, structure: {
+            name: {presence: required, value: AMRAudioPort},
+            value: {presence: required, range: [ 0, 100000 ],
+                    units: numberOfPorts }
+          }},
+          field: {presence: required, structure: {
+            name: {presence: required, value: AMRWBAudioPort},
+            value: {presence: required, range: [ 0, 100000 ],
+                    units: numberOfPorts }
+          }},
+          field: {presence: required, structure: {
+            name: {presence: required, value: OpusAudioPort},
+            value: {presence: required, range: [ 0, 100000 ],
+                    units: numberOfPorts }
+          }},
+          field: {presence: required, structure: {
+            name: {presence: required, value: H263VideoPort},
+            value: {presence: required, range: [ 0, 100000 ],
+                    units: numberOfPorts }
+          }},
+          field: {presence: required, structure: {
+            name: {presence: required, value: H264NonHCVideoPort},
+            value: {presence: required, range: [ 0, 100000 ],
+                    units: numberOfPorts }
+          }},
+          field: {presence: required, structure: {
+            name: {presence: required, value: H264HCVideoPort},
+            value: {presence: required, range: [ 0, 100000 ],
+                    units: numberOfPorts }
+          }},
+          field: {presence: required, structure: {
+            name: {presence: required, value: MPEG4VideoPort},
+            value: {presence: required, range: [ 0, 100000 ],
+                    units: numberOfPorts }
+          }},
+          field: {presence: required, structure: {
+            name: {presence: required, value: VP8NonHCVideoPort},
+            value: {presence: required, range: [ 0, 100000 ],
+                    units: numberOfPorts }
+          }},
+          field: {presence: required, structure: {
+            name: {presence: required, value: VP8HCVideoPort},
+            value: {presence: required, range: [ 0, 100000 ],
+                    units: numberOfPorts }
+          }},
+          field: {presence: required, structure: {
+            name: {presence: required, value: PLC},
+            value: {presence: required, range: [ 0, 100000 ],
+                    units: numberOfPorts }
+          }},
+          field: {presence: required, structure: {
+            name: {presence: required, value: AEC},
+            value: {presence: required, range: [ 0, 100000 ],
+                    units: numberOfPorts }
+          }},
+          field: {presence: required, structure: {
+            name: {presence: required, value: NR},
+            value: {presence: required, range: [ 0, 100000 ],
+                    units: numberOfPorts }
+          }},
+          field: {presence: required, structure: {
+            name: {presence: required, value: NG},
+            value: {presence: required, range: [ 0, 100000 ],
+                    units: numberOfPorts }
+          }},
+          field: {presence: required, structure: {
+            name: {presence: required, value: NLD},
+            value: {presence: required, range: [ 0, 100000 ],
+                    units: numberOfPorts }
+          }},
+          field: {presence: required, structure: {
+            name: {presence: required, value: G711FaxPort},
+            value: {presence: required, range: [ 0, 100000 ],
+                    units: numberOfPorts }
+          }},
+          field: {presence: required, structure: {
+            name: {presence: required, value: T38FaxPort},
+            value: {presence: required, range: [ 0, 100000 ],
+                    units: numberOfPorts }
+          }},
+          field: {presence: required, structure: {
+            name: {presence: required, value: RFactor},
+            value: {presence: required, range: [ 0, 100000 ],
+                    units: numberOfPorts }
+          }},
+          field: {presence: required, structure: {
+            name: {presence: required, value: T140TextPort},
+            value: {presence: required, range: [ 0, 100000 ],
+                    units: numberOfPorts }
+          }},
+          field: {presence: required, structure: {
+            name: {presence: required, value: EVSAudioPort},
+            value: {presence: required, range: [ 0, 100000 ],
+                    units: numberOfPorts }
+          }}
+        ]}
+      }},
+      namedArrayOfFields: {presence: required, structure: {
+        name: {presence: required, value: mediaCoreUtilization},
+        arrayOfFields: {presence: required, array: [
+          field: {presence: required, structure: {
+            name: {presence: required, value: actualAvgAudio},
+            value: {presence: required, range: [ 0, 255 ],
+                    action: [80, up, AudioCoreUsageHigh, RECO-scaleOut],
+                    action: [10, down, AudioCoreUsageLow, RECO-scaleIn]}
+          }},
+          field: {presence: required, structure: {
+            name: {presence: required, value: modelAvgAudio},
+            value: {presence: required, range: [ 0, 100 ],
+                    action: [80, up, AudioCoreUsageHigh, RECO-scaleOut],
+                    action: [10, down, AudioCoreUsageLow, RECO-scaleIn]}
+          }},
+          field: {presence: required, structure: {
+            name: {presence: required, value: actualMaxAudio},
+            value: {presence: required, range: [ 0, 255 ]}
+          }},
+          field: {presence: required, structure: {
+            name: {presence: required, value: modelMaxAudio},
+            value: {presence: required, range: [ 0, 100 ]}
+          }},
+          field: {presence: required, structure: {
+            name: {presence: required, value: actualAvgVideo},
+            value: {presence: required, range: [ 0, 255 ],
+                    action: [80, up, VideoCoreUsageHigh, RECO-scaleOut],
+                    action: [10, down, VideoCoreUsageLow, RECO-scaleIn]}
+          }},
+          field: {presence: required, structure: {
+            name: {presence: required, value: modelAvgVideo},
+            value: {presence: required, range: [ 0, 100 ],
+                    action: [80, up, VideoCoreUsageHigh, RECO-scaleOut],
+                    action: [10, down, VideoCoreUsageLow, RECO-scaleIn]}
+          }},
+          field: {presence: required, structure: {
+            name: {presence: required, value: actualMaxVideo},
+            value: {presence: required, range: [ 0, 255 ]}
+          }},
+          field: {presence: required, structure: {
+            name: {presence: required, value: modelMaxVideo},
+            value: {presence: required, range: [ 0, 100 ]}
+          }},
+          field: {presence: required, structure: {
+            name: {presence: required, value: actualAvgHcVideo},
+            value: {presence: required, range: [ 0, 255 ],
+                    action: [80, up, HcVideoCoreUsageHigh, RECO-scaleOut],
+                    action: [10, down, HcVideoCoreUsageLow, RECO-scaleIn]}
+          }},
+          field: {presence: required, structure: {
+            name: {presence: required, value: modelAvgHcVideo},
+            value: {presence: required, range: [ 0, 100 ],
+                    action: [80, up, HcVideoCoreUsageHigh, RECO-scaleOut],
+                    action: [10, down, HcVideoCoreUsageLow, RECO-scaleIn]}
+          }},
+          field: {presence: required, structure: {
+            name: {presence: required, value: actualMaxHcVideo},
+            value: {presence: required, range: [ 0, 255 ]}
+          }},
+          field: {presence: required, structure: {
+            name: {presence: required, value: modelMaxHcVideo},
+            value: {presence: required, range: [ 0, 100 ]}
+          }}
+        ]}
+      }}
+    ]},
+    vNicPerformanceArray: {presence: required, array: [
+      vNicPerformance: {presence: required, structure: {
+        receivedOctetsAccumulated: {presence: required,
+                                    range: [ 0, 18446744073709551615 ]},
+        receivedTotalPacketsAccumulated: {presence: required,
+                                          range: [ 0, 18446744073709551615 ]},
+        receivedOctetsDelta: {presence: required},
+        range: [ 0, 18446744073709551615 ],
+        receivedTotalPacketsDelta: {presence: required,
+                                    range: [ 0, 18446744073709551615 ]},
+        transmittedOctetsDelta: {presence: required,
+                                 range: [ 0, 18446744073709551615 ]},
+        transmittedOctetsAccumulated: {presence: required,
+                                       range: [ 0, 18446744073709551615 ]},
+        transmittedTotalPacketsAccumulated: {presence: required,
+                                             range: [ 0, 18446744073709551615 ]},
+        transmittedTotalPacketsDelta: {presence: required,
+                                       range: [ 0, 18446744073709551615 ]},
+        valuesAreSuspect: {presence: required, value: [ true, false ]},
+        vNicIdentifier: {presence: required}
+      }}
+    ]}
+  }}
+}}
+---
+# registration for Syslog\_vMRF
+# Constants: the values of domain, eventName, priority, lastEpochMicrosec, version,
+# syslogFields.syslogFieldsVersion, syslogFields.syslogTag
+# Variables include: eventId, lastEpochMicrosec, reportingEntityId, reportingEntityName,
+# sequence, sourceId, sourceName, startEpochMicrosec,
+# syslogFields.eventSourceHost, syslogFields.eventSourceType,
+# syslogFields.syslogFacility, syslogFields.syslogMsg
+event: {presence: required, structure: {
+  commonEventHeader: {presence: required, structure: {
+    domain: {presence: required, value: syslog},
+    eventName: {presence: required, value: Syslog\_vMrf},
+    eventId: {presence: required},
+    nfNamingCode: {value: mrfx},
+    priority: {presence: required, value: Normal},
+    reportingEntityId: {presence: required},
+    reportingEntityName: {presence: required},
+    sequence: {presence: required},
+    sourceId: {presence: required},
+    sourceName: {presence: required},
+    startEpochMicrosec: {presence: required},
+    lastEpochMicrosec: {presence: required},
+    version: {presence: required, value: 3.0},
+  }},
+  syslogFields: {presence: required, structure: {
+    eventSourceHost: {presence: required},
+    eventSourceType: {presence: required, value: virtualNetworkFunction},
+    syslogFacility: {presence: required, range: [16, 23]},
+    syslogSev: {presence: required, value: [ 0, 1, 2, 3, 4 ]},
+    syslogFieldsVersion: {presence: required, value: 3.0},
+    syslogMsg: {presence: required},
+    syslogTag: {presence: required, value: vMRF},
+  }}
+}}
+---
+#Rules
+Rules: [
+  rule: {
+    trigger: CpuUsageHigh \|\| FreeMemLow \|\| AudioCoreUsageHigh \|\|
+      VideoCoreUsageHigh \|\| HcVideoCoreUsageHigh,
+    microservices: [scaleOut]
+  },
+  rule: {
+    trigger: CpuUsageLow && FreeMemHigh && AudioCoreUsageLow &&
+      VideoCoreUsageLow && HcVideoCoreUsageLow,
+    microservices: [scaleIn]
+  }
+]
\ No newline at end of file
diff --git a/common/onap-generic-artifact-browser/onap-generic-artifact-browser-service/src/test/resources/yaml/invalid.yml b/common/onap-generic-artifact-browser/onap-generic-artifact-browser-service/src/test/resources/yaml/invalid.yml
new file mode 100644
index 0000000000..9334720513
--- /dev/null
+++ b/common/onap-generic-artifact-browser/onap-generic-artifact-browser-service/src/test/resources/yaml/invalid.yml
@@ -0,0 +1,2 @@
+---
+event: "an escaped \' single quote"
\ No newline at end of file