use YAML schema validator in rule R816745

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

10 files changed, 203 insertions, 14 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) {