Supporting PNFD (SOL001) mapping to Internal AID model

This maps the PNF descriptor containing etsi defined types
according to SOL001 v2.5.1 to openecomp internal model. The
transformation is done in the "Create VSP" stage. As the main
PNF type gets mapped to the outer container in internal ecomp
model, it is possible to have no "resource instances" when
importing the PNF model into the catalog. The code was updated
to allow this for PNFs.

Change-Id: I961e91746ca638d858dd468e6c82aeb57993f7a3
Issue-ID: SDC-1976
Issue-ID: SDC-2160
Signed-off-by: dermot123 <dermot.melia@est.tech>

1 files changed, 114 insertions, 0 deletions

diff --git a/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/test/java/org/openecomp/core/impl/ToscaSolConverterPnfTest.java b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/test/java/org/openecomp/core/impl/ToscaSolConverterPnfTest.java
new file mode 100644
index 0000000000..c3f38fe3cd
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/test/java/org/openecomp/core/impl/ToscaSolConverterPnfTest.java
@@ -0,0 +1,114 @@
+/*
+ * -
+ *  * ============LICENSE_START=======================================================
+ *  *  Copyright (C) 2019 Nordix Foundation.
+ *  * ================================================================================
+ *  * 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.
+ *  *
+ *  * SPDX-License-Identifier: Apache-2.0
+ *  * ============LICENSE_END=========================================================
+ *
+ */
+
+package org.openecomp.core.impl;
+
+import org.apache.commons.io.IOUtils;
+import org.junit.Test;
+import org.junit.runner.RunWith;
+import org.junit.runners.Parameterized;
+import org.onap.sdc.tosca.datatypes.model.ServiceTemplate;
+import org.onap.sdc.tosca.services.ToscaExtensionYamlUtil;
+import org.onap.sdc.tosca.services.YamlUtil;
+import org.openecomp.core.converter.ServiceTemplateReaderService;
+import org.openecomp.core.impl.services.ServiceTemplateReaderServiceImpl;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.nio.file.Files;
+import java.nio.file.Path;
+import java.nio.file.Paths;
+import java.util.Collection;
+import java.util.stream.Collectors;
+import java.util.stream.Stream;
+
+import static org.junit.Assert.assertEquals;
+
+@RunWith(Parameterized.class)
+public class ToscaSolConverterPnfTest {
+
+    public static final String INPUT_DIR = "pnfDescriptor/in/";
+    public static final String OUTPUT_DIR = "pnfDescriptor/out/";
+    private String inputFilename;
+    private YamlUtil yamlUtil = new YamlUtil();
+    private ToscaExtensionYamlUtil toscaExtensionYamlUtil = new ToscaExtensionYamlUtil();
+
+    public ToscaSolConverterPnfTest(String inputFilename) {
+        this.inputFilename = inputFilename;
+    }
+
+    @Parameterized.Parameters(name = "{index}: {0}")
+    public static Collection<String> input() throws IOException {
+        try (Stream<Path> files = Files.list(getPathFromClasspath(INPUT_DIR))) {
+            return files.map(path -> path.getFileName().toString())
+                    .collect(Collectors.toList());
+        }
+    }
+
+    @Test
+    public void testTopologyTemplateConversions() throws IOException {
+        final byte[] descriptor = getInputFileResource(inputFilename);
+        ServiceTemplateReaderService serviceTemplateReaderService = new ServiceTemplateReaderServiceImpl(descriptor);
+        ServiceTemplate serviceTemplate = new ServiceTemplate();
+        ToscaSolConverterPnf toscaSolConverter = new ToscaSolConverterPnf();
+        toscaSolConverter.convertTopologyTemplate(serviceTemplate, serviceTemplateReaderService);
+
+        String result = yamlUtil.objectToYaml(serviceTemplate);
+        String expectedResult = getExpectedResultFor(inputFilename);
+        assertEquals(expectedResult, result);
+    }
+
+    private String getExpectedResultFor(String inputFilename) throws IOException {
+        try (InputStream inputStream = getOutputFileResourceCorrespondingTo(inputFilename)) {
+            ServiceTemplate serviceTemplate = toscaExtensionYamlUtil.yamlToObject(inputStream, ServiceTemplate.class);
+            return yamlUtil.objectToYaml(serviceTemplate);
+        }
+    }
+
+    private static Path getPathFromClasspath(String location) {
+        return Paths.get(Thread.currentThread().getContextClassLoader().getResource(location).getPath());
+    }
+
+    private byte[] getInputFileResource(String inputFilename) throws IOException {
+        return getFileResource(INPUT_DIR + inputFilename);
+    }
+
+    private InputStream getOutputFileResourceCorrespondingTo(String inputFilename) {
+        String outputFilename = getOutputFilenameFrom(inputFilename);
+        return getFileResourceAsInputStream(OUTPUT_DIR + outputFilename);
+    }
+
+    private String getOutputFilenameFrom(String inputFilename) {
+        return inputFilename.replace("pnfDescriptor", "topologyTemplate");
+    }
+
+    private byte[] getFileResource(String filePath) throws IOException {
+        try (InputStream inputStream = getFileResourceAsInputStream(filePath)) {
+            return IOUtils.toByteArray(inputStream);
+        }
+    }
+
+    private InputStream getFileResourceAsInputStream(String filePath) {
+        return Thread.currentThread().getContextClassLoader().getResourceAsStream(filePath);
+    }
+
+}
\ No newline at end of file