Sonar fix

Change-Id: I7c39a2d83d067382ffb91ed136ad840dab85ccd8
Issue-ID: VNFSDK-477
Signed-off-by: Zebek Bogumil <bogumil.zebek@nokia.com>

5 files changed, 345 insertions, 78 deletions

diff --git a/csarvalidation/src/main/java/org/onap/cvc/csar/CSARArchive.java b/csarvalidation/src/main/java/org/onap/cvc/csar/CSARArchive.java
index 4bb7cf3..2055cf2 100644
--- a/csarvalidation/src/main/java/org/onap/cvc/csar/CSARArchive.java
+++ b/csarvalidation/src/main/java/org/onap/cvc/csar/CSARArchive.java
@@ -15,13 +15,19 @@
  */
 package org.onap.cvc.csar;
 
+import com.fasterxml.jackson.core.JsonProcessingException;
+import com.fasterxml.jackson.databind.ObjectMapper;
+import org.apache.commons.io.FileUtils;
+import org.apache.commons.lang3.tuple.Pair;
+import org.onap.cvc.csar.parser.SourcesParser;
+import org.onap.cvc.csar.parser.vnf.DefinitionMetadataParser;
+import org.yaml.snakeyaml.Yaml;
+
 import java.io.File;
 import java.io.FileInputStream;
-import java.io.FilenameFilter;
 import java.io.IOException;
 import java.nio.file.Path;
 import java.util.ArrayList;
-import java.util.Arrays;
 import java.util.Collections;
 import java.util.HashMap;
 import java.util.List;
@@ -29,14 +35,6 @@ import java.util.Map;
 import java.util.Objects;
 import java.util.Optional;
 
-import org.apache.commons.io.FileUtils;
-import org.apache.commons.lang3.tuple.Pair;
-import org.onap.cvc.csar.parser.SourcesParser;
-import org.yaml.snakeyaml.Yaml;
-
-import com.fasterxml.jackson.core.JsonProcessingException;
-import com.fasterxml.jackson.databind.ObjectMapper;
-
 /**
  * Verify the CSAR package by following the SOL004 specifications and ONAP VNFREQS for TOSCA.
  *
@@ -83,11 +81,6 @@ public class CSARArchive implements AutoCloseable {
     public static final String ENTRY_DEFINITION_TOSCA_DEFINITIONS_VERSION_SIMPLE_1_1 = "tosca_simple_yaml_1_1";
     public static final String ENTRY_DEFINITION_TOSCA_DEFINITIONS_VERSION_SIMPLE_1_2 = "tosca_simple_yaml_1_2";
 
-    protected static final String[] Entry_Definition__tosca_definitions_versions = new String[] {
-            ENTRY_DEFINITION_TOSCA_DEFINITIONS_VERSION_SIMPLE_1_0,
-            ENTRY_DEFINITION_TOSCA_DEFINITIONS_VERSION_SIMPLE_1_1,
-            ENTRY_DEFINITION_TOSCA_DEFINITIONS_VERSION_SIMPLE_1_2
-    };
     public static final String ENTRY_DEFINITION_METADATA = "metadata";
 
     public static final String ENTRY_DEFINITION_TEMPLATE_NAME = "template_name";
@@ -680,7 +673,7 @@ public class CSARArchive implements AutoCloseable {
 
             private String templateVersion;
 
-            public String getTempalteName() {
+            public String getTemplateName() {
                 return tempalteName;
             }
 
@@ -953,67 +946,14 @@ public class CSARArchive implements AutoCloseable {
         try(FileInputStream ipStream = new FileInputStream(this.definitionYamlFile)) {
             Map<String, ?> yaml = (Map<String, ?>) new Yaml().load(ipStream);
 
-            //yaml is empty or version string missing
-            if (yaml == null || !yaml.keySet().contains(ENTRY_DEFINITION_TOSCA_DEFINITIONS_VERSION)) {
-                errors.add(
-                        new CSARErrorEntryMissingToscaDefinitionVersion(
-                                this.definitionYamlFile.getName()));
-            } else {
-                String version = (String) yaml.get(ENTRY_DEFINITION_TOSCA_DEFINITIONS_VERSION);
-                if (!Arrays.asList(Entry_Definition__tosca_definitions_versions).contains(version)) {
-                    errors.add(new CSARErrorInvalidEntry(ENTRY_DEFINITION_TOSCA_DEFINITIONS_VERSION,
-                            this.definitionYamlFile.getName(), -1, "Should be " + ENTRY_DEFINITION_TOSCA_DEFINITIONS_VERSION_SIMPLE_1_1));
-                } else {
-                    this.definition.setToscaDefinitionVersion(version);
-
-                    if (this.toscaMeta.getMode().equals(Mode.WITHOUT_TOSCA_META_DIR)) {
-                        //metadata section should be there
-                        if (!yaml.keySet().contains(ENTRY_DEFINITION_METADATA)) {
-                            errors.add(
-                                    new CSARErrorInvalidEntryValueToscaDefinitionVersion(
-                                            this.definitionYamlFile.getName()));
-                        } else {
-                            Map<String, String> metadata = (Map<String, String>) yaml.get(ENTRY_DEFINITION_METADATA);
-
-                            for(Map.Entry<String, String> entry: metadata.entrySet()) {
-                                String key = entry.getKey();
-                                String value = entry.getValue();
-
-                                //continue till it reaches the metadata section
-                                if (key.equalsIgnoreCase(ENTRY_DEFINITION_TEMPLATE_AUTHOR)) {
-                                    this.definition.getMetadata().setTemplateAuthor(value);
-                                } else if (key.equalsIgnoreCase(ENTRY_DEFINITION_TEMPLATE_NAME)) {
-                                    this.definition.getMetadata().setTempalteName(value);
-                                } else if (key.equalsIgnoreCase(ENTRY_DEFINITION_TEMPLATE_VERSION)) {
-                                    this.definition.getMetadata().setTemplateVersion(value);
-                                } else {
-                                    errors.add(
-                                            new CSARErrorIgnored(
-                                                    key,
-                                                    this.definitionYamlFile.getName(),
-                                                    -1,
-                                                    null));
-                                }
-                            }
-
-                            if (this.definition.getMetadata().getTemplateAuthor() == null) {
-                                this.errors.add(
-                                        new CSARErrorEntryMissingToscaDefinitionMetadataTemplateAuthor(
-                                        this.definitionYamlFile.getName()));
-                            }
-                            if (this.definition.getMetadata().getTempalteName() == null) {
-                                this.errors.add(new CSARErrorEntryMissingToscaDefinitionMetadataTemplateName(
-                                        this.definitionYamlFile.getName()));
-                            }
-
-                            if (this.definition.getMetadata().getTemplateVersion() == null) {
-                                this.errors.add(new CSARErrorEntryMissingToscaDefinitionMetadataTemplateVersion(
-                                        this.definitionYamlFile.getName()));
-                            }
-                        }
-                    }
-                }
-            }
+            DefinitionMetadataParser definitionMetadataParser = new DefinitionMetadataParser(
+                    yaml,
+                    this.definitionYamlFile.getName(),
+                    this.toscaMeta.getMode()
+            );
+            final Pair<Definition, List<CSARError>> data = definitionMetadataParser.parse();
+            this.definition = data.getLeft();
+            this.errors.addAll(data.getRight());
         }
     }
 
diff --git a/csarvalidation/src/main/java/org/onap/cvc/csar/parser/ManifestFileSplitter.java b/csarvalidation/src/main/java/org/onap/cvc/csar/parser/ManifestFileSplitter.java
index 03a628c..d780e67 100644
--- a/csarvalidation/src/main/java/org/onap/cvc/csar/parser/ManifestFileSplitter.java
+++ b/csarvalidation/src/main/java/org/onap/cvc/csar/parser/ManifestFileSplitter.java
@@ -18,6 +18,9 @@
 package org.onap.cvc.csar.parser;
 
 
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
 import java.io.File;
 import java.io.IOException;
 import java.nio.file.Files;
@@ -29,6 +32,8 @@ import java.util.stream.Stream;
 
 public class ManifestFileSplitter {
 
+    private static final Logger LOG = LoggerFactory.getLogger(ManifestFileSplitter.class);
+
     public ManifestFileModel split(File manifestFile) {
         String fileName = manifestFile.getAbsolutePath();
         List<String> data = new ArrayList<>();
@@ -39,6 +44,7 @@ public class ManifestFileSplitter {
             return createManifestFileModel(data, cms, lines);
 
         } catch (IOException e) {
+            LOG.error("Unable to process manifest file!", e);
             throw new IllegalArgumentException(String.format("Unable to process manifest file! Wrong file path: '%s'", fileName));
         }
     }
diff --git a/csarvalidation/src/main/java/org/onap/cvc/csar/parser/vnf/DefinitionMetadataParser.java b/csarvalidation/src/main/java/org/onap/cvc/csar/parser/vnf/DefinitionMetadataParser.java
new file mode 100644
index 0000000..6743741
--- /dev/null
+++ b/csarvalidation/src/main/java/org/onap/cvc/csar/parser/vnf/DefinitionMetadataParser.java
@@ -0,0 +1,133 @@
+/*
+ * Copyright 2019 Nokia
+ * <p>
+ * 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
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * 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.
+ *
+ */
+
+package org.onap.cvc.csar.parser.vnf;
+
+import org.apache.commons.lang3.tuple.Pair;
+import org.onap.cvc.csar.CSARArchive;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.Map;
+
+/**
+ * Code extracted from CSARArchive class.
+ */
+public class DefinitionMetadataParser {
+
+    private static final String[] ENTRY_DEFINITION_TOSCA_DEFINITIONS_VERSIONS = {
+            CSARArchive.ENTRY_DEFINITION_TOSCA_DEFINITIONS_VERSION_SIMPLE_1_0,
+            CSARArchive.ENTRY_DEFINITION_TOSCA_DEFINITIONS_VERSION_SIMPLE_1_1,
+            CSARArchive.ENTRY_DEFINITION_TOSCA_DEFINITIONS_VERSION_SIMPLE_1_2
+    };
+
+    private Map<String, ?> yaml;
+    private String definitionYamlFileName;
+    private CSARArchive.Mode mode;
+
+    public DefinitionMetadataParser(Map<String, ?> yaml, String definitionYamlFileName, CSARArchive.Mode mode) {
+        this.yaml = yaml;
+        this.definitionYamlFileName = definitionYamlFileName;
+        this.mode = mode;
+    }
+
+    public Pair<CSARArchive.Definition, List<CSARArchive.CSARError>> parse(){
+        List<CSARArchive.CSARError> errors = new ArrayList<>();
+        CSARArchive.Definition definition = new CSARArchive.Definition();
+
+        //yaml is empty or version string missing
+        if (yaml == null || !yaml.containsKey(CSARArchive.ENTRY_DEFINITION_TOSCA_DEFINITIONS_VERSION)) {
+            errors.add(
+                    new CSARArchive.CSARErrorEntryMissingToscaDefinitionVersion(
+                            this.definitionYamlFileName));
+        } else {
+            convertYamlIntoDefinitionModel(yaml, definition, errors);
+        }
+        return Pair.of(definition,errors);
+    }
+
+    private void convertYamlIntoDefinitionModel(Map<String, ?> yaml, CSARArchive.Definition definition, List<CSARArchive.CSARError> errors) {
+        String version = (String) yaml.get(CSARArchive.ENTRY_DEFINITION_TOSCA_DEFINITIONS_VERSION);
+        if (!Arrays.asList(ENTRY_DEFINITION_TOSCA_DEFINITIONS_VERSIONS).contains(version)) {
+            errors.add(new CSARArchive.CSARErrorInvalidEntry(CSARArchive.ENTRY_DEFINITION_TOSCA_DEFINITIONS_VERSION,
+                    this.definitionYamlFileName, -1, "Should be " + CSARArchive.ENTRY_DEFINITION_TOSCA_DEFINITIONS_VERSION_SIMPLE_1_1));
+        } else {
+            updateDefinitionModel(definition, version, errors);
+        }
+    }
+
+    private void updateDefinitionModel(CSARArchive.Definition definition, String version, List<CSARArchive.CSARError> errors) {
+        definition.setToscaDefinitionVersion(version);
+
+        if (mode.equals(CSARArchive.Mode.WITHOUT_TOSCA_META_DIR)) {
+            //metadata section should be there
+            if (!yaml.containsKey(CSARArchive.ENTRY_DEFINITION_METADATA)) {
+                errors.add(
+                        new CSARArchive.CSARErrorInvalidEntryValueToscaDefinitionVersion(
+                                this.definitionYamlFileName));
+            } else {
+                Map<String, String> metadata = (Map<String, String>) yaml.get(CSARArchive.ENTRY_DEFINITION_METADATA);
+                final CSARArchive.Definition.Metadata metadataModel = definition.getMetadata();
+                populateMetadataModel(metadata, errors, metadataModel);
+                validateMetadataModel(errors, metadataModel);
+            }
+        }
+    }
+
+    private void populateMetadataModel(Map<String, String> metadata, List<CSARArchive.CSARError> errors, CSARArchive.Definition.Metadata metadataModel) {
+
+        for(Map.Entry<String, String> entry: metadata.entrySet()) {
+            String key = entry.getKey();
+            String value = entry.getValue();
+
+            //continue till it reaches the metadata section
+            if (key.equalsIgnoreCase(CSARArchive.ENTRY_DEFINITION_TEMPLATE_AUTHOR)) {
+                metadataModel.setTemplateAuthor(value);
+            } else if (key.equalsIgnoreCase(CSARArchive.ENTRY_DEFINITION_TEMPLATE_NAME)) {
+                metadataModel.setTempalteName(value);
+            } else if (key.equalsIgnoreCase(CSARArchive.ENTRY_DEFINITION_TEMPLATE_VERSION)) {
+                metadataModel.setTemplateVersion(value);
+            } else {
+                errors.add(
+                        new CSARArchive.CSARErrorIgnored(
+                                key,
+                                this.definitionYamlFileName,
+                                -1,
+                                null));
+            }
+        }
+    }
+
+    private void validateMetadataModel(List<CSARArchive.CSARError> errors, CSARArchive.Definition.Metadata metadataModel) {
+        if (metadataModel.getTemplateAuthor() == null) {
+            errors.add(
+                    new CSARArchive.CSARErrorEntryMissingToscaDefinitionMetadataTemplateAuthor(
+                            this.definitionYamlFileName));
+        }
+        if (metadataModel.getTemplateName() == null) {
+            errors.add(new CSARArchive.CSARErrorEntryMissingToscaDefinitionMetadataTemplateName(
+                    this.definitionYamlFileName));
+        }
+
+        if (metadataModel.getTemplateVersion() == null) {
+            errors.add(new CSARArchive.CSARErrorEntryMissingToscaDefinitionMetadataTemplateVersion(
+                    this.definitionYamlFileName));
+        }
+    }
+
+}
diff --git a/csarvalidation/src/test/java/org/onap/cvc/csar/DefinitionMetadataParserTest.java b/csarvalidation/src/test/java/org/onap/cvc/csar/DefinitionMetadataParserTest.java
new file mode 100644
index 0000000..e8adde8
--- /dev/null
+++ b/csarvalidation/src/test/java/org/onap/cvc/csar/DefinitionMetadataParserTest.java
@@ -0,0 +1,188 @@
+/*
+ * Copyright 2019 Nokia
+ * <p>
+ * 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
+ * <p>
+ * http://www.apache.org/licenses/LICENSE-2.0
+ * <p>
+ * 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.
+ *
+ */
+
+package org.onap.cvc.csar;
+
+import org.apache.commons.lang3.tuple.Pair;
+import org.junit.Test;
+import org.onap.cvc.csar.parser.vnf.DefinitionMetadataParser;
+
+import java.util.HashMap;
+import java.util.List;
+import java.util.Map;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.onap.cvc.csar.CSARArchive.Definition;
+import static org.onap.cvc.csar.CSARArchive.ENTRY_DEFINITION_TEMPLATE_AUTHOR;
+import static org.onap.cvc.csar.CSARArchive.ENTRY_DEFINITION_TEMPLATE_NAME;
+import static org.onap.cvc.csar.CSARArchive.ENTRY_DEFINITION_TEMPLATE_VERSION;
+import static org.onap.cvc.csar.CSARArchive.ENTRY_DEFINITION_TOSCA_DEFINITIONS_VERSION;
+import static org.onap.cvc.csar.cc.sol004.IntegrationTestUtils.convertToMessagesList;
+
+public class DefinitionMetadataParserTest {
+
+    private static final String DEFINITION_YAML = "definition.yaml";
+
+    @Test
+    public void shouldReportThatDefinitionYamlDataAreEmpty(){
+        // given
+        DefinitionMetadataParser definitionMetadataParser = new DefinitionMetadataParser(
+                new HashMap<>(), DEFINITION_YAML, CSARArchive.Mode.WITHOUT_TOSCA_META_DIR);
+
+        // when
+        final Pair<CSARArchive.Definition, List<CSARArchive.CSARError>> data = definitionMetadataParser.parse();
+
+        // then
+        assertThat(convertToMessagesList(data.getRight())).contains(
+                "Missing. Entry [tosca_definitions_version]"
+        );
+    }
+
+    @Test
+    public void shouldReportThatDefinitionYamlDataIsInUnsupportedVersion(){
+        // given
+        final HashMap<String, Object> yaml = givenEmptyYamlData("tosca_simple_yaml_0_0");
+        DefinitionMetadataParser definitionMetadataParser = new DefinitionMetadataParser(
+                yaml, DEFINITION_YAML, CSARArchive.Mode.WITHOUT_TOSCA_META_DIR);
+
+        // when
+        final Pair<CSARArchive.Definition, List<CSARArchive.CSARError>> data = definitionMetadataParser.parse();
+
+        // then
+        assertThat(convertToMessagesList(data.getRight())).contains(
+                "Invalid. Entry [tosca_definitions_version]. Should be tosca_simple_yaml_1_1"
+        );
+    }
+
+    @Test
+    public void shouldSetOnlyAVersionWhenMetaIsForToscaDirMode(){
+        // given
+        final HashMap<String, Object> yaml = givenEmptyYamlData("tosca_simple_yaml_1_1");
+        DefinitionMetadataParser definitionMetadataParser = new DefinitionMetadataParser(
+                yaml, DEFINITION_YAML, CSARArchive.Mode.WITH_TOSCA_META_DIR);
+
+        // when
+        final Pair<CSARArchive.Definition, List<CSARArchive.CSARError>> data = definitionMetadataParser.parse();
+
+        // then
+        final CSARArchive.Definition definition = data.getLeft();
+        final List<CSARArchive.CSARError> errors = data.getRight();
+        assertThat(definition.getToscaDefinitionVersion()).isEqualTo("tosca_simple_yaml_1_1");
+        assertThat(errors).isEmpty();
+    }
+
+    @Test
+    public void shouldReportAnErrorWhenMetaIsNotSet(){
+        // given
+        final HashMap<String, Object> yaml = givenEmptyYamlData("tosca_simple_yaml_1_1");
+        DefinitionMetadataParser definitionMetadataParser = new DefinitionMetadataParser(
+                yaml, DEFINITION_YAML, CSARArchive.Mode.WITHOUT_TOSCA_META_DIR);
+
+        // when
+        final Pair<CSARArchive.Definition, List<CSARArchive.CSARError>> data = definitionMetadataParser.parse();
+
+        // then
+        final CSARArchive.Definition definition = data.getLeft();
+        final List<CSARArchive.CSARError> errors = data.getRight();
+        assertThat(definition.getToscaDefinitionVersion()).isEqualTo("tosca_simple_yaml_1_1");
+        assertThat(convertToMessagesList(errors)).contains(
+                "Invalid value. Entry [tosca_definitions_version]. Valid values are [tosca_simple_yaml_1_1]"
+        );
+    }
+
+    @Test
+    public void shouldPopulateMetadataModel(){
+        // given
+        final Map<String, Object> metadata = givenPopulateMetadataData();
+        final HashMap<String, Object> yaml = givenEmptyYamlData("tosca_simple_yaml_1_1");
+        yaml.put("metadata", metadata);
+
+        DefinitionMetadataParser definitionMetadataParser = new DefinitionMetadataParser(
+                yaml, DEFINITION_YAML, CSARArchive.Mode.WITHOUT_TOSCA_META_DIR);
+
+        // when
+        final Pair<CSARArchive.Definition, List<CSARArchive.CSARError>> data = definitionMetadataParser.parse();
+
+        //then
+        final CSARArchive.Definition definition = data.getLeft();
+        final List<CSARArchive.CSARError> errors = data.getRight();
+        assertThat(definition.getToscaDefinitionVersion()).isEqualTo("tosca_simple_yaml_1_1");
+        assertThat(convertToMessagesList(errors)).isEmpty();
+        final Definition.Metadata metadataModel = definition.getMetadata();
+        assertThat(metadataModel.getTemplateAuthor()).isEqualTo("author");
+        assertThat(metadataModel.getTemplateName()).isEqualTo("template name");
+        assertThat(metadataModel.getTemplateVersion()).isEqualTo("template version");
+    }
+
+    @Test
+    public void shouldReportAnErrorWhenMetadataParameterIsNotSupported(){
+        // given
+        final Map<String, Object> metadata = givenPopulateMetadataData();
+        metadata.put("NEW ENTRY DEFINITION TEMPLATE PARAMETER", "some value");
+        final HashMap<String, Object> yaml = givenEmptyYamlData("tosca_simple_yaml_1_1");
+        yaml.put("metadata", metadata);
+
+        DefinitionMetadataParser definitionMetadataParser = new DefinitionMetadataParser(
+                yaml, DEFINITION_YAML, CSARArchive.Mode.WITHOUT_TOSCA_META_DIR);
+
+        // when
+        final Pair<CSARArchive.Definition, List<CSARArchive.CSARError>> data = definitionMetadataParser.parse();
+
+        // then
+        final List<CSARArchive.CSARError> errors = data.getRight();
+        assertThat(convertToMessagesList(errors)).contains(
+                "Ignored. Entry [NEW ENTRY DEFINITION TEMPLATE PARAMETER]"
+        );
+    }
+
+    @Test
+    public void shouldReportErrorsWhenMetadataModelIsEmpty(){
+        // given
+        final Map<String, Object> metadata = new HashMap<>();
+        final HashMap<String, Object> yaml = givenEmptyYamlData("tosca_simple_yaml_1_1");
+        yaml.put("metadata", metadata);
+
+        DefinitionMetadataParser definitionMetadataParser = new DefinitionMetadataParser(
+                yaml, DEFINITION_YAML, CSARArchive.Mode.WITHOUT_TOSCA_META_DIR);
+
+        // when
+        final Pair<CSARArchive.Definition, List<CSARArchive.CSARError>> data = definitionMetadataParser.parse();
+
+        // then
+        final List<CSARArchive.CSARError> errors = data.getRight();
+        assertThat(convertToMessagesList(errors)).contains(
+                "Missing. Entry [template_author]",
+                "Missing. Entry [template_name]",
+                "Missing. Entry [template_version]"
+        );
+    }
+
+
+    private HashMap<String, Object> givenEmptyYamlData(String tosca_simple_yaml_0_0) {
+        final HashMap<String, Object> yaml = new HashMap<>();
+        yaml.put(ENTRY_DEFINITION_TOSCA_DEFINITIONS_VERSION, tosca_simple_yaml_0_0);
+        return yaml;
+    }
+
+    private Map<String, Object> givenPopulateMetadataData() {
+        final Map<String, Object> metadata = new HashMap<>();
+        metadata.put(ENTRY_DEFINITION_TEMPLATE_AUTHOR, "author");
+        metadata.put(ENTRY_DEFINITION_TEMPLATE_NAME, "template name");
+        metadata.put(ENTRY_DEFINITION_TEMPLATE_VERSION, "template version");
+        return metadata;
+    }
+}
diff --git a/csarvalidation/src/test/java/org/onap/cvc/csar/cc/sol004/IntegrationTestUtils.java b/csarvalidation/src/test/java/org/onap/cvc/csar/cc/sol004/IntegrationTestUtils.java
index a0bb25d..6f183d7 100644
--- a/csarvalidation/src/test/java/org/onap/cvc/csar/cc/sol004/IntegrationTestUtils.java
+++ b/csarvalidation/src/test/java/org/onap/cvc/csar/cc/sol004/IntegrationTestUtils.java
@@ -84,7 +84,7 @@ public class IntegrationTestUtils {
         }
     }
 
-    static List<String> convertToMessagesList(List<CSARArchive.CSARError> errors) {
+    public static List<String> convertToMessagesList(List<CSARArchive.CSARError> errors) {
         return errors.stream().map(CSARArchive.CSARError::getMessage).collect(Collectors.toList());
     }
 }