use YAML schema validator in rule R816745

Issue-ID: VNFSDK-594
Signed-off-by: Bartosz Gardziejewski <bartosz.gardziejewski@nokia.com>
Change-Id: I70c6150662b69833d4e190a6adc1047840a78975

22 files changed, 429 insertions, 23 deletions

diff --git a/csarvalidation/src/main/java/org/onap/cvc/csar/cc/sol004/VTPValidateCSARR816745.java b/csarvalidation/src/main/java/org/onap/cvc/csar/cc/sol004/VTPValidateCSARR816745.java
index 47b963e..f1bbffc 100644
--- a/csarvalidation/src/main/java/org/onap/cvc/csar/cc/sol004/VTPValidateCSARR816745.java
+++ b/csarvalidation/src/main/java/org/onap/cvc/csar/cc/sol004/VTPValidateCSARR816745.java
@@ -19,20 +19,58 @@ package org.onap.cvc.csar.cc.sol004;
 import org.onap.cli.fw.schema.OnapCommandSchema;
 import org.onap.cvc.csar.CSARArchive;
 import org.onap.cvc.csar.cc.VTPValidateCSARBase;
+import org.onap.validation.yaml.YamlFileValidator;
+import org.onap.validation.yaml.error.YamlDocumentValidationError;
+import org.onap.validation.yaml.exception.YamlProcessingException;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
+import java.nio.file.Path;
 import java.util.List;
 import java.util.Map;
 
 @OnapCommandSchema(schema = "vtp-validate-csar-r816745.yaml")
 public class VTPValidateCSARR816745 extends VTPValidateCSARBase {
 
+    private static final Logger LOGGER =  LoggerFactory.getLogger(VTPValidateCSARR816745.class);
+
+    private static class CSARPmDictionaryValidationError extends CSARArchive.CSARError {
+
+        CSARPmDictionaryValidationError(int documentNumber, String file, String path, String message) {
+            super("0x1000");
+            this.message = String.format(
+                "Invalid YAML document in PM_Dictionary file. %n" +
+                    "In document number %s (excluding document with schema) error occur. %n" +
+                    "Path: %s%n" +
+                    "%s",
+                documentNumber, path, message
+            );
+            this.file = file;
+        }
+
+    }
+
+    private static class CSARPmDictionaryLoadingError extends CSARArchive.CSARError {
+
+        CSARPmDictionaryLoadingError(String file, String message) {
+            super("0x2000");
+            this.message = String.format(
+                "Fail to load PM_Dictionary With error: %s",
+                message
+            );
+            this.file = file;
+        }
+
+    }
+
     private static final String PM_DICTIONARY = "onap_pm_dictionary";
 
     @Override
-    protected void validateCSAR(CSARArchive csar) throws Exception {
+    protected void validateCSAR(CSARArchive csar) {
         Map<String, Map<String, List<String>>> nonManoFields = csar.getManifest().getNonMano();
-        if(nonManoFields.containsKey(PM_DICTIONARY)) {
-            validateYamlFile(getLocationOfPmDictionaryFile(nonManoFields));
+        String rootPath = csar.getWorkspace().getPathToCsarFolder().map(Path::toString).orElse("/");
+        if (nonManoFields.containsKey(PM_DICTIONARY)) {
+            validateYamlFile(rootPath+"/",getLocationOfPmDictionaryFile(nonManoFields));
         }
     }
 
@@ -40,8 +78,34 @@ public class VTPValidateCSARR816745 extends VTPValidateCSARBase {
         return nonManoFields.get(PM_DICTIONARY).get("source").get(0);
     }
 
-    private void validateYamlFile(String path) {
-        throw  new UnsupportedOperationException("Under development");
+    private void validateYamlFile(String rootPath, String artifactPath) {
+        try {
+            List<YamlDocumentValidationError> validationErrors =
+                new YamlFileValidator().validateYamlFileWithSchema(rootPath+artifactPath);
+            addAllErrorsReportedByVaidator(artifactPath, validationErrors);
+        } catch (YamlProcessingException e) {
+            LOGGER.error("Failed to load PM_Dictionary file.", e);
+            errors.add(new CSARPmDictionaryLoadingError(
+                artifactPath,
+                e.getMessage()
+            ));
+        }
+
+    }
+
+    private void addAllErrorsReportedByVaidator(String artifactPath, List<YamlDocumentValidationError> validationErrors) {
+        for(YamlDocumentValidationError validationError: validationErrors) {
+            addPmDictionaryValidationError(artifactPath, validationError);
+        }
+    }
+
+    private void addPmDictionaryValidationError(String artifactPath, YamlDocumentValidationError validationError) {
+        errors.add(new CSARPmDictionaryValidationError(
+            validationError.getYamlDocumentNumber(),
+            artifactPath,
+            validationError.getPath(),
+            validationError.getMessage()
+        ));
     }
 
     @Override
diff --git a/csarvalidation/src/main/java/org/onap/validation/yaml/YamlFileValidator.java b/csarvalidation/src/main/java/org/onap/validation/yaml/YamlFileValidator.java
new file mode 100644
index 0000000..2de4f48
--- /dev/null
+++ b/csarvalidation/src/main/java/org/onap/validation/yaml/YamlFileValidator.java
@@ -0,0 +1,72 @@
+/*
+ * Copyright 2020 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.
+ *
+ */
+
+package org.onap.validation.yaml;
+
+import org.onap.validation.yaml.error.SchemaValidationError;
+import org.onap.validation.yaml.error.YamlDocumentValidationError;
+import org.onap.validation.yaml.exception.YamlProcessingException;
+import org.onap.validation.yaml.model.YamlDocument;
+import org.onap.validation.yaml.schema.YamlSchema;
+import org.onap.validation.yaml.schema.YamlSchemaFactory;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.stream.Collectors;
+
+public class YamlFileValidator {
+
+    private static final int FIRST_DOCUMENT_INDEX = 1;
+
+    public List<YamlDocumentValidationError> validateYamlFileWithSchema(String pathToFile)
+        throws YamlProcessingException {
+
+        List<YamlDocument> documents = new YamlLoader().loadMultiDocumentYamlFile(pathToFile);
+        if(!documents.isEmpty()) {
+            return validateDocuments(documents);
+        } else {
+            throw new YamlProcessingException("PM_Dictionary YAML file is empty");
+        }
+    }
+
+    private List<YamlDocumentValidationError> validateDocuments(List<YamlDocument> documents)
+        throws YamlProcessingException {
+
+        List<YamlDocumentValidationError> yamlFileValidationErrors = new ArrayList<>();
+        YamlSchema schema = extractSchema(documents);
+        YamlValidator validator = new YamlValidator(schema);
+
+        for (int index = FIRST_DOCUMENT_INDEX; index < documents.size(); index++) {
+            List<SchemaValidationError> validationErrors = validator.validate(documents.get(index));
+            yamlFileValidationErrors.addAll(transformErrors(index,validationErrors));
+        }
+
+        return yamlFileValidationErrors;
+    }
+
+    private List<YamlDocumentValidationError> transformErrors(int index, List<SchemaValidationError> validationErrors) {
+        return validationErrors
+            .stream()
+            .map(error->new YamlDocumentValidationError(index, error.getPath(), error.getMessage()))
+            .collect(Collectors.toList());
+    }
+
+    private YamlSchema extractSchema(List<YamlDocument> documents) throws YamlProcessingException {
+        return new YamlSchemaFactory().createTreeStructuredYamlSchema(documents.get(0));
+    }
+
+}
diff --git a/csarvalidation/src/main/java/org/onap/validation/yaml/YamlLoader.java b/csarvalidation/src/main/java/org/onap/validation/yaml/YamlLoader.java
index 804f1ea..1a5eef9 100644
--- a/csarvalidation/src/main/java/org/onap/validation/yaml/YamlLoader.java
+++ b/csarvalidation/src/main/java/org/onap/validation/yaml/YamlLoader.java
@@ -17,6 +17,7 @@
 
 package org.onap.validation.yaml;
 
+import org.onap.validation.yaml.exception.YamlProcessingException;
 import org.onap.validation.yaml.model.YamlDocument;
 import org.onap.validation.yaml.model.YamlDocumentFactory;
 import org.slf4j.Logger;
@@ -25,15 +26,16 @@ import org.yaml.snakeyaml.Yaml;
 
 import java.io.IOException;
 import java.io.InputStream;
+import java.net.MalformedURLException;
 import java.net.URL;
 import java.util.ArrayList;
 import java.util.List;
 
-public class YamlLoader {
+class YamlLoader {
 
     private static final Logger LOGGER =  LoggerFactory.getLogger(YamlLoader.class);
 
-    public List<YamlDocument> loadMultiDocumentYamlFile(URL path)
+    List<YamlDocument> loadMultiDocumentYamlFile(URL path)
         throws YamlDocumentFactory.YamlDocumentParsingException {
         List<YamlDocument> documentsFromFile = new ArrayList<>();
         try (InputStream yamlStream = path.openStream()) {
@@ -48,4 +50,12 @@ public class YamlLoader {
         return documentsFromFile;
     }
 
+    List<YamlDocument> loadMultiDocumentYamlFile(String path)
+        throws YamlProcessingException {
+        try {
+            return loadMultiDocumentYamlFile(new URL("file://" + path));
+        } catch (MalformedURLException e) {
+            throw new YamlProcessingException("Fail to read file under given path.", e);
+        }
+    }
 }
diff --git a/csarvalidation/src/main/java/org/onap/validation/yaml/YamlValidator.java b/csarvalidation/src/main/java/org/onap/validation/yaml/YamlValidator.java
index 17ebd1f..9430df4 100644
--- a/csarvalidation/src/main/java/org/onap/validation/yaml/YamlValidator.java
+++ b/csarvalidation/src/main/java/org/onap/validation/yaml/YamlValidator.java
@@ -18,7 +18,7 @@
 package org.onap.validation.yaml;
 
 import org.onap.validation.yaml.exception.YamlProcessingException;
-import org.onap.validation.yaml.model.SchemaValidationError;
+import org.onap.validation.yaml.error.SchemaValidationError;
 import org.onap.validation.yaml.model.YamlDocument;
 import org.onap.validation.yaml.process.YamlValidationProcess;
 import org.onap.validation.yaml.schema.YamlSchema;
diff --git a/csarvalidation/src/main/java/org/onap/validation/yaml/model/SchemaValidationError.java b/csarvalidation/src/main/java/org/onap/validation/yaml/error/SchemaValidationError.java
index 45f1647..6ffe6d4 100644
--- a/csarvalidation/src/main/java/org/onap/validation/yaml/model/SchemaValidationError.java
+++ b/csarvalidation/src/main/java/org/onap/validation/yaml/error/SchemaValidationError.java
@@ -15,7 +15,7 @@
  *
  */
 
-package org.onap.validation.yaml.model;
+package org.onap.validation.yaml.error;
 
 public class SchemaValidationError {
     private final String path;
diff --git a/csarvalidation/src/main/java/org/onap/validation/yaml/error/YamlDocumentValidationError.java b/csarvalidation/src/main/java/org/onap/validation/yaml/error/YamlDocumentValidationError.java
new file mode 100644
index 0000000..f04708f
--- /dev/null
+++ b/csarvalidation/src/main/java/org/onap/validation/yaml/error/YamlDocumentValidationError.java
@@ -0,0 +1,42 @@
+/*
+ * Copyright 2020 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.
+ *
+ */
+
+package org.onap.validation.yaml.error;
+
+public class YamlDocumentValidationError {
+    private final int yamlDocumentNumber;
+    private final String path;
+    private final String message;
+
+    public YamlDocumentValidationError(int yamlDocumentNumber, String path, String message) {
+        this.yamlDocumentNumber = yamlDocumentNumber;
+        this.path = path;
+        this.message = message;
+    }
+
+    public int getYamlDocumentNumber() {
+        return yamlDocumentNumber;
+    }
+
+    public String getPath() {
+        return path;
+    }
+
+    public String getMessage() {
+        return message;
+    }
+}
diff --git a/csarvalidation/src/main/java/org/onap/validation/yaml/exception/YamlProcessingException.java b/csarvalidation/src/main/java/org/onap/validation/yaml/exception/YamlProcessingException.java
index edfdbb8..99c2437 100644
--- a/csarvalidation/src/main/java/org/onap/validation/yaml/exception/YamlProcessingException.java
+++ b/csarvalidation/src/main/java/org/onap/validation/yaml/exception/YamlProcessingException.java
@@ -23,6 +23,10 @@ public class YamlProcessingException extends Exception {
         super(message, throwable);
     }
 
+    public YamlProcessingException(String message) {
+        super(message);
+    }
+
     public YamlProcessingException(Throwable throwable) {
         super(throwable);
     }
diff --git a/csarvalidation/src/main/java/org/onap/validation/yaml/process/YamlValidationProcess.java b/csarvalidation/src/main/java/org/onap/validation/yaml/process/YamlValidationProcess.java
index f55b729..e3fadb6 100644
--- a/csarvalidation/src/main/java/org/onap/validation/yaml/process/YamlValidationProcess.java
+++ b/csarvalidation/src/main/java/org/onap/validation/yaml/process/YamlValidationProcess.java
@@ -18,7 +18,7 @@
 package org.onap.validation.yaml.process;
 
 import org.onap.validation.yaml.exception.YamlProcessingException;
-import org.onap.validation.yaml.model.SchemaValidationError;
+import org.onap.validation.yaml.error.SchemaValidationError;
 import org.onap.validation.yaml.model.YamlDocument;
 import org.onap.validation.yaml.schema.YamlSchema;
 import org.onap.validation.yaml.schema.node.YamlSchemaNode;
diff --git a/csarvalidation/src/main/java/org/onap/validation/yaml/schema/node/YamlSchemaBranchNode.java b/csarvalidation/src/main/java/org/onap/validation/yaml/schema/node/YamlSchemaBranchNode.java
index 8ff3569..0f5b480 100644
--- a/csarvalidation/src/main/java/org/onap/validation/yaml/schema/node/YamlSchemaBranchNode.java
+++ b/csarvalidation/src/main/java/org/onap/validation/yaml/schema/node/YamlSchemaBranchNode.java
@@ -26,9 +26,6 @@ import java.util.Collections;
 import java.util.List;
 import java.util.Optional;
 
-import static org.onap.validation.yaml.model.YamlDocumentFactory.YamlDocumentParsingException;
-import static org.onap.validation.yaml.model.YamlParameterListFactory.YamlParameterListParsingException;
-
 public class YamlSchemaBranchNode extends YamlSchemaNode {
 
     private final YamlDocument nextNodesInLazyForm;
diff --git a/csarvalidation/src/main/java/org/onap/validation/yaml/schema/node/YamlSchemaLeafNode.java b/csarvalidation/src/main/java/org/onap/validation/yaml/schema/node/YamlSchemaLeafNode.java
index 73470d4..c98f41e 100644
--- a/csarvalidation/src/main/java/org/onap/validation/yaml/schema/node/YamlSchemaLeafNode.java
+++ b/csarvalidation/src/main/java/org/onap/validation/yaml/schema/node/YamlSchemaLeafNode.java
@@ -24,7 +24,7 @@ import java.util.List;
 
 public class YamlSchemaLeafNode extends YamlSchemaNode {
 
-    private YamlParametersList acceptedValues;
+    private final YamlParametersList acceptedValues;
 
     YamlSchemaLeafNode(String name, String path, boolean required, String comment,
                        YamlParametersList acceptedValues) {
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 6f183d7..6d90b23 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
@@ -87,4 +87,8 @@ public class IntegrationTestUtils {
     public static List<String> convertToMessagesList(List<CSARArchive.CSARError> errors) {
         return errors.stream().map(CSARArchive.CSARError::getMessage).collect(Collectors.toList());
     }
+
+    public static List<String> convertToFilesList(List<CSARArchive.CSARError> errors) {
+        return errors.stream().map(CSARArchive.CSARError::getFile).collect(Collectors.toList());
+    }
 }
diff --git a/csarvalidation/src/test/java/org/onap/cvc/csar/cc/sol004/VTPValidateCSARR816745IntegrationTest.java b/csarvalidation/src/test/java/org/onap/cvc/csar/cc/sol004/VTPValidateCSARR816745IntegrationTest.java
index efe6917..70a370e 100644
--- a/csarvalidation/src/test/java/org/onap/cvc/csar/cc/sol004/VTPValidateCSARR816745IntegrationTest.java
+++ b/csarvalidation/src/test/java/org/onap/cvc/csar/cc/sol004/VTPValidateCSARR816745IntegrationTest.java
@@ -17,17 +17,22 @@
 
 package org.onap.cvc.csar.cc.sol004;
 
+import org.assertj.core.api.Condition;
+import org.assertj.core.api.HamcrestCondition;
 import org.junit.Before;
 import org.junit.Rule;
 import org.junit.Test;
 import org.junit.rules.ExpectedException;
-import org.onap.cli.fw.error.OnapCommandExecutionFailed;
 import org.onap.cvc.csar.CSARArchive;
 
 import java.util.List;
 
 import static org.assertj.core.api.Assertions.assertThat;
+import static org.hamcrest.CoreMatchers.allOf;
+import static org.hamcrest.CoreMatchers.containsString;
 import static org.onap.cvc.csar.cc.sol004.IntegrationTestUtils.configureTestCase;
+import static org.onap.cvc.csar.cc.sol004.IntegrationTestUtils.convertToMessagesList;
+import static org.onap.cvc.csar.cc.sol004.IntegrationTestUtils.convertToFilesList;
 
 public class VTPValidateCSARR816745IntegrationTest {
 
@@ -58,16 +63,67 @@ public class VTPValidateCSARR816745IntegrationTest {
     }
 
     @Test
-    public void shouldThrowUnsupportedOperationExceptionWhenCsarContainsPmDictionary() throws Exception {
+    public void shouldReturnNoErrorsWhenCsarContainsValidPmDictionary() throws Exception {
         // given
-        configureTestCase(testCase, TEST_CSAR_DIRECTORY + "csar-with-pm-dictionary.csar", "vtp-validate-csar-r816745.yaml", IS_PNF);
+        configureTestCase(testCase, TEST_CSAR_DIRECTORY + "csar-with-valid-pm-dictionary.csar", "vtp-validate-csar-r816745.yaml", IS_PNF);
+
+        // when
+        testCase.execute();
+
+        // then
+        List<CSARArchive.CSARError> errors = testCase.getErrors();
+        assertThat(errors.size()).isEqualTo(0);
+    }
+
+    @Test
+    public void shouldReturnNoErrorsWhenZipContainsCsarWithValidPmDictionary() throws Exception {
+        // given
+        configureTestCase(testCase, TEST_CSAR_DIRECTORY + "zip-with-valid-pm-dictionary.zip", "vtp-validate-csar-r816745.yaml", IS_PNF);
+
+        // when
+        testCase.execute();
+
+        // then
+        List<CSARArchive.CSARError> errors = testCase.getErrors();
+        assertThat(errors.size()).isEqualTo(0);
+    }
+
+    @Test
+    public void shouldReturnListOfErrorsWhenCsarContainsInvalidPmDictionary() throws Exception {
+        // given
+        configureTestCase(testCase, TEST_CSAR_DIRECTORY + "csar-with-invalid-pm-dictionary.csar", "vtp-validate-csar-r816745.yaml", IS_PNF);
+
+        // when
+        testCase.execute();
 
         // then
-        exceptionRule.expect(OnapCommandExecutionFailed.class);
-        exceptionRule.expectMessage("Under development");
+        assertThatReturnedErrorsAreCorrect(testCase.getErrors());
+    }
+
+    @Test
+    public void shouldReturnListOfErrorsWhenZipContainsCsarWithInvalidPmDictionary() throws Exception {
+        // given
+        configureTestCase(testCase, TEST_CSAR_DIRECTORY + "zip-with-invalid-pm-dictionary.zip", "vtp-validate-csar-r816745.yaml", IS_PNF);
 
         // when
         testCase.execute();
+
+        // then
+        assertThatReturnedErrorsAreCorrect(testCase.getErrors());
+    }
+
+    @Test
+    public void shouldAddPmDictionaryLoadingErrorWhenGivenInvalidPath() throws Exception {
+        // given
+        configureTestCase(testCase, TEST_CSAR_DIRECTORY + "csar-with-empty-pm-dictionary.csar", "vtp-validate-csar-r816745.yaml", IS_PNF);
+
+        // when then
+        testCase.execute();
+
+        // then
+        List<CSARArchive.CSARError> errors = testCase.getErrors();
+        assertThat(errors.size()).isEqualTo(1);
+        assertThat(convertToMessagesList(errors)).contains("Fail to load PM_Dictionary With error: PM_Dictionary YAML file is empty");
     }
 
     @Test
@@ -75,4 +131,39 @@ public class VTPValidateCSARR816745IntegrationTest {
         assertThat(testCase.getVnfReqsNo()).isEqualTo("R816745");
     }
 
+    private void assertThatReturnedErrorsAreCorrect(List<CSARArchive.CSARError> errors) {
+        assertThat(errors.size()).isEqualTo(3);
+
+        Condition<String> containingSameFileForAllErrors = new HamcrestCondition<>(
+            containsString("Artifacts/Deployment/Measurements/PM_Dictionary.yml")
+        );
+        assertThat(convertToFilesList(errors)).haveExactly(3, containingSameFileForAllErrors);
+
+        Condition<String> containingErrorForMissingValueInFirstDocument = new HamcrestCondition<>(allOf(
+            containsString("Invalid YAML document in PM_Dictionary file."),
+            containsString("In document number 1"),
+            containsString("Path: /pmMetaData/pmFields/"),
+            containsString("Key not found: measChangeType")
+        ));
+        assertThat(convertToMessagesList(errors)).haveExactly(1, containingErrorForMissingValueInFirstDocument);
+
+        Condition<String> containingErrorForWrongValueInFirstDocument = new HamcrestCondition<>(allOf(
+            containsString("Invalid YAML document in PM_Dictionary file."),
+            containsString("In document number 1"),
+            containsString("Path: /pmMetaData/pmFields/measResultType"),
+            containsString("Value is not in array of accepted values."),
+            containsString("value:  integer"),
+            containsString("accepted values:  [float, uint32, uint64]")
+        ));
+        assertThat(convertToMessagesList(errors)).haveExactly(1, containingErrorForWrongValueInFirstDocument);
+
+        Condition<String> containingErrorForMissingValueInSecondDocument = new HamcrestCondition<>(allOf(
+            containsString("Invalid YAML document in PM_Dictionary file."),
+            containsString("In document number 2"),
+            containsString("Path: /pmMetaData/pmFields/"),
+            containsString("Key not found: measChangeType")
+        ));
+        assertThat(convertToMessagesList(errors)).haveExactly(1, containingErrorForMissingValueInSecondDocument);
+    }
+
 }
diff --git a/csarvalidation/src/test/java/org/onap/validation/yaml/YamlFileValidatorTest.java b/csarvalidation/src/test/java/org/onap/validation/yaml/YamlFileValidatorTest.java
new file mode 100644
index 0000000..6ef78ae
--- /dev/null
+++ b/csarvalidation/src/test/java/org/onap/validation/yaml/YamlFileValidatorTest.java
@@ -0,0 +1,95 @@
+/*
+ * Copyright 2020 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.
+ *
+ */
+
+package org.onap.validation.yaml;
+
+import org.assertj.core.util.Lists;
+import org.junit.Test;
+import org.onap.validation.yaml.error.YamlDocumentValidationError;
+import org.onap.validation.yaml.exception.YamlProcessingException;
+import org.yaml.snakeyaml.parser.ParserException;
+
+import java.util.List;
+
+import static org.assertj.core.api.Assertions.assertThat;
+import static org.assertj.core.api.Assertions.assertThatThrownBy;
+
+public class YamlFileValidatorTest {
+
+    @Test
+    public void shouldReturnNoErrorsWhenGivenPathToValidPmDictionaryFile() throws YamlProcessingException {
+        // given
+        String path = getFullPathForGivenResources(YamlLoadingUtils.PATH_TO_VALID_YAML);
+
+        // when
+        List<YamlDocumentValidationError> validationErrors =
+            new YamlFileValidator().validateYamlFileWithSchema(path);
+
+        // then
+        assertThat(validationErrors).isNotNull();
+        assertThat(validationErrors).hasSize(3);
+        assertThat(validationErrors).usingRecursiveFieldByFieldElementComparator().containsAll(
+            Lists.list(
+                new YamlDocumentValidationError(1 ,
+                    "/pmMetaData/pmFields/measResultType" ,
+                        "Value is not in array of accepted values.\n" +
+                            " value:  integer\n" +
+                            "  accepted values:  [float, uint32, uint64]"),
+                new YamlDocumentValidationError(1 ,
+                    "/pmMetaData/pmFields/",
+                        "Key not found: measChangeType"),
+                new YamlDocumentValidationError(2 ,
+                    "/pmMetaData/pmFields/",
+                        "Key not found: measChangeType")
+            )
+        );
+    }
+
+    @Test
+    public void shouldThrowErrorWhenGivenPathToInvalidPmDictionaryFile() {
+        // given
+        String path = getFullPathForGivenResources(YamlLoadingUtils.PATH_TO_MULTI_DOCUMENT_INVALID_YAML);
+
+        // when  then
+        assertThatThrownBy(() ->
+            new YamlFileValidator().validateYamlFileWithSchema(path)
+        ).isInstanceOf(ParserException.class)
+            .hasMessageContaining(
+                "expected the node content, but found DocumentEnd"
+            );
+    }
+
+    @Test
+    public void shouldThrowErrorWhenGivenInvalidPath() {
+        // given
+        String path ="invalid/path/to/pm_dictionary";
+
+        // when  then
+        assertThatThrownBy(() ->
+            new YamlFileValidator().validateYamlFileWithSchema(path)
+        ).isInstanceOf(YamlProcessingException.class)
+            .hasMessageContaining(
+                "PM_Dictionary YAML file is empty"
+            );
+    }
+
+    private String getFullPathForGivenResources(String pathToValidYaml) {
+        return this.getClass().getClassLoader().getResource(
+            pathToValidYaml
+        ).getPath();
+    }
+}
diff --git a/csarvalidation/src/test/java/org/onap/validation/yaml/YamlLoaderTest.java b/csarvalidation/src/test/java/org/onap/validation/yaml/YamlLoaderTest.java
index 03999a3..e7efc2b 100644
--- a/csarvalidation/src/test/java/org/onap/validation/yaml/YamlLoaderTest.java
+++ b/csarvalidation/src/test/java/org/onap/validation/yaml/YamlLoaderTest.java
@@ -18,6 +18,7 @@
 package org.onap.validation.yaml;
 
 import org.junit.Test;
+import org.onap.validation.yaml.exception.YamlProcessingException;
 import org.onap.validation.yaml.model.YamlDocument;
 import org.onap.validation.yaml.model.YamlDocumentFactory;
 import org.yaml.snakeyaml.parser.ParserException;
@@ -40,6 +41,15 @@ public class YamlLoaderTest {
     }
 
     @Test
+    public void shouldLoadAllDocumentsFromYamlFileUsingPathInString() throws YamlProcessingException {
+        // when
+        List<YamlDocument> documents = YamlLoadingUtils.loadValidMultiDocumentYamlFileUsingStringPath();
+
+        // then
+        assertThat(documents).hasSize(4);
+    }
+
+    @Test
     public void shouldThrowExceptionWhenLoadingDocumentsFromInvalidYamlFile() {
         // when then
         assertThatThrownBy(YamlLoadingUtils::tryToLoadMultiDocumentInvalidYamlFile
@@ -47,4 +57,12 @@ public class YamlLoaderTest {
             .hasMessageContaining("expected the node content, but found DocumentEnd");
     }
 
+    @Test
+    public void shouldThrowExceptionWhenLoadingDocumentsFromInvalidYamlFileUsingPathInString() {
+        // when then
+        assertThatThrownBy(YamlLoadingUtils::tryToLoadMultiDocumentInvalidYamlFileUsingStringPath
+        ).isInstanceOf(ParserException.class)
+            .hasMessageContaining("expected the node content, but found DocumentEnd");
+    }
+
 }
diff --git a/csarvalidation/src/test/java/org/onap/validation/yaml/YamlLoadingUtils.java b/csarvalidation/src/test/java/org/onap/validation/yaml/YamlLoadingUtils.java
index 5827f66..5e09e0a 100644
--- a/csarvalidation/src/test/java/org/onap/validation/yaml/YamlLoadingUtils.java
+++ b/csarvalidation/src/test/java/org/onap/validation/yaml/YamlLoadingUtils.java
@@ -17,6 +17,7 @@
 
 package org.onap.validation.yaml;
 
+import org.onap.validation.yaml.exception.YamlProcessingException;
 import org.onap.validation.yaml.model.YamlDocument;
 
 import java.net.URL;
@@ -32,17 +33,21 @@ public final class YamlLoadingUtils {
     public static final int YAML_DOCUMENT_WITH_MISSING_FIELD_INDEX = 2;
     public static final int YAML_DOCUMENT_WITH_MISSING_FIELD_AND_WRONG_VALUE_INDEX = 1;
 
-    private static final String PATH_TO_VALID_YAML = "yaml_schema/PM_Dictionary.yaml";
+    static final String PATH_TO_VALID_YAML = "yaml_schema/PM_Dictionary.yaml";
     private static final String PATH_TO_SIMPLE_VALID_SCHEMA = "yaml_schema/Simple_Valid_Schema.yaml";
     private static final String PATH_TO_SIMPLE_VALID_SCHEMA_MULTI_ROOT = "yaml_schema/Simple_Valid_Schema_Multi_Root.yaml";
     private static final String PATH_TO_SIMPLE_INVALID_SCHEMA = "yaml_schema/Simple_Invalid_Schema_Construction.yaml";
     private static final String PATH_TO_SIMPLE_INVALID_SCHEMA_FOR_LAZY_LOADING = "yaml_schema/Simple_Invalid_Schema_LazyLoading.yaml";
-    private static final String PATH_TO_MULTI_DOCUMENT_INVALID_YAML = "yaml_schema/Multi_Document_Invalid.yaml";
+    static final String PATH_TO_MULTI_DOCUMENT_INVALID_YAML = "yaml_schema/Multi_Document_Invalid.yaml";
 
     public static List<YamlDocument> loadValidMultiDocumentYamlFile() throws YamlDocumentParsingException {
         return new YamlLoader().loadMultiDocumentYamlFile(getUrlForGivenPath(PATH_TO_VALID_YAML));
     }
 
+    public static List<YamlDocument> loadValidMultiDocumentYamlFileUsingStringPath() throws YamlProcessingException {
+        return new YamlLoader().loadMultiDocumentYamlFile(getUrlForGivenPath(PATH_TO_VALID_YAML).getPath());
+    }
+
     public static YamlDocument loadSimpleValidYamlSchemaFile() throws YamlDocumentParsingException {
         return new YamlLoader().loadMultiDocumentYamlFile(getUrlForGivenPath(PATH_TO_SIMPLE_VALID_SCHEMA)).get(0);
     }
@@ -63,6 +68,10 @@ public final class YamlLoadingUtils {
         return new YamlLoader().loadMultiDocumentYamlFile(getUrlForGivenPath(PATH_TO_MULTI_DOCUMENT_INVALID_YAML));
     }
 
+    public static List<YamlDocument> tryToLoadMultiDocumentInvalidYamlFileUsingStringPath() throws YamlProcessingException {
+        return new YamlLoader().loadMultiDocumentYamlFile(getUrlForGivenPath(PATH_TO_MULTI_DOCUMENT_INVALID_YAML).getPath());
+    }
+
     private static URL getUrlForGivenPath(String path) {
         return YamlLoadingUtils.class.getClassLoader().getResource(path);
     }
diff --git a/csarvalidation/src/test/java/org/onap/validation/yaml/YamlValidatorTest.java b/csarvalidation/src/test/java/org/onap/validation/yaml/YamlValidatorTest.java
index 418ae55..4927d32 100644
--- a/csarvalidation/src/test/java/org/onap/validation/yaml/YamlValidatorTest.java
+++ b/csarvalidation/src/test/java/org/onap/validation/yaml/YamlValidatorTest.java
@@ -20,7 +20,7 @@ package org.onap.validation.yaml;
 import org.assertj.core.util.Lists;
 import org.junit.Test;
 import org.onap.validation.yaml.exception.YamlProcessingException;
-import org.onap.validation.yaml.model.SchemaValidationError;
+import org.onap.validation.yaml.error.SchemaValidationError;
 import org.onap.validation.yaml.model.YamlDocument;
 import org.onap.validation.yaml.schema.YamlSchemaFactory;
 
diff --git a/csarvalidation/src/test/java/org/onap/validation/yaml/process/YamlValidationProcessTest.java b/csarvalidation/src/test/java/org/onap/validation/yaml/process/YamlValidationProcessTest.java
index 1380a9d..12fe9ec 100644
--- a/csarvalidation/src/test/java/org/onap/validation/yaml/process/YamlValidationProcessTest.java
+++ b/csarvalidation/src/test/java/org/onap/validation/yaml/process/YamlValidationProcessTest.java
@@ -20,7 +20,7 @@ package org.onap.validation.yaml.process;
 import org.junit.Test;
 import org.onap.validation.yaml.YamlLoadingUtils;
 import org.onap.validation.yaml.exception.YamlProcessingException;
-import org.onap.validation.yaml.model.SchemaValidationError;
+import org.onap.validation.yaml.error.SchemaValidationError;
 import org.onap.validation.yaml.model.YamlDocument;
 import org.onap.validation.yaml.schema.YamlSchema;
 import org.onap.validation.yaml.schema.YamlSchemaFactory;
diff --git a/csarvalidation/src/test/resources/pnf/r816745/csar-with-pm-dictionary.csar b/csarvalidation/src/test/resources/pnf/r816745/csar-with-empty-pm-dictionary.csar
index 861f602..d0dbdf0 100644
--- a/csarvalidation/src/test/resources/pnf/r816745/csar-with-pm-dictionary.csar
+++ b/csarvalidation/src/test/resources/pnf/r816745/csar-with-empty-pm-dictionary.csar
diff --git a/csarvalidation/src/test/resources/pnf/r816745/csar-with-invalid-pm-dictionary.csar b/csarvalidation/src/test/resources/pnf/r816745/csar-with-invalid-pm-dictionary.csar
new file mode 100644
index 0000000..5f9d058
--- /dev/null
+++ b/csarvalidation/src/test/resources/pnf/r816745/csar-with-invalid-pm-dictionary.csar
diff --git a/csarvalidation/src/test/resources/pnf/r816745/csar-with-valid-pm-dictionary.csar b/csarvalidation/src/test/resources/pnf/r816745/csar-with-valid-pm-dictionary.csar
new file mode 100644
index 0000000..2768e16
--- /dev/null
+++ b/csarvalidation/src/test/resources/pnf/r816745/csar-with-valid-pm-dictionary.csar
diff --git a/csarvalidation/src/test/resources/pnf/r816745/zip-with-invalid-pm-dictionary.zip b/csarvalidation/src/test/resources/pnf/r816745/zip-with-invalid-pm-dictionary.zip
new file mode 100644
index 0000000..3c46ef8
--- /dev/null
+++ b/csarvalidation/src/test/resources/pnf/r816745/zip-with-invalid-pm-dictionary.zip
diff --git a/csarvalidation/src/test/resources/pnf/r816745/zip-with-valid-pm-dictionary.zip b/csarvalidation/src/test/resources/pnf/r816745/zip-with-valid-pm-dictionary.zip
new file mode 100644
index 0000000..6c8970c
--- /dev/null
+++ b/csarvalidation/src/test/resources/pnf/r816745/zip-with-valid-pm-dictionary.zip