Allow relative path for SOL004 descriptors import

Allow the use of relative path on SOL004 descriptors imports. Resolves
imports with "/", "../" or "./" entries during validation and package
processing.
Validate if the reference is inside the package.
Fix problem where imported descriptor files, described as a non string
scalar yaml entry, were not being checked by the validator.

Change-Id: Ie5a32736b6090b4adf178e8714f7460bcd068def
Issue-ID: SDC-2422
Signed-off-by: andre.schmid <andre.schmid@est.tech>

1 files changed, 80 insertions, 0 deletions

diff --git a/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/test/java/org/openecomp/core/util/TestResourcesUtil.java b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/test/java/org/openecomp/core/util/TestResourcesUtil.java
new file mode 100644
index 0000000000..34559f5386
--- /dev/null
+++ b/openecomp-be/lib/openecomp-tosca-converter-lib/openecomp-tosca-converter-core/src/test/java/org/openecomp/core/util/TestResourcesUtil.java
@@ -0,0 +1,80 @@
+/*
+ * ============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.util;
+
+import static org.junit.Assert.fail;
+
+import java.io.IOException;
+import java.io.InputStream;
+import org.apache.commons.io.IOUtils;
+import org.openecomp.sdc.logging.api.Logger;
+import org.openecomp.sdc.logging.api.LoggerFactory;
+
+/**
+ * Test resources utility class.
+ */
+public class TestResourcesUtil {
+
+    private static final Logger LOGGER = LoggerFactory.getLogger(TestResourcesUtil.class);
+
+    private TestResourcesUtil() {
+
+    }
+
+    /**
+     * Reads a file and coverts it to a byte array.
+     *
+     * @param resourcePath      The resource file path
+     * @return
+     *  The resource file byte array
+     * @throws IOException
+     *  When the file was not found or the input stream could not be opened
+     */
+    public static byte[] getFileResource(final String resourcePath) throws IOException {
+        try(final InputStream inputStream = ClassLoader.class.getResourceAsStream(resourcePath)) {
+            if (inputStream == null) {
+                throw new IOException(String.format("Could not find the resource on path \"%s\"", resourcePath));
+            }
+            return IOUtils.toByteArray(inputStream);
+        } catch (final IOException ex) {
+            throw new IOException(String.format("Could not open the input stream for resource on path \"%s\"", resourcePath), ex);
+        }
+    }
+
+    /**
+     * Reads a file in the given path.
+     * The method forces an assertion fail if the resource could not be loaded.
+     * @param resourcePath      The resource file path
+     * @return
+     *  The resource file byte array
+     */
+    public static byte[] getResourceBytesOrFail(final String resourcePath) {
+        try {
+            return getFileResource(resourcePath);
+        } catch (final IOException e) {
+            final String errorMsg = String.format("Could not load resource '%s'", resourcePath);
+            LOGGER.error(errorMsg, e);
+            fail(errorMsg);
+        }
+
+        return null;
+    }
+
+}