CPS-505 Retrieving modules for new CM handle

-Added some production code for getting missing modules for new CM
handle
-Groovy test template added by Toine for getting msissing modules
-Added json example for test
-Modified test to check map contents
-Differentiated restTemplate calls based on URL
-Fixed code review comment`s
-Groovy test now passing
-Modified behaviour for sending moduleReferences and added null to
namespace (jira to follow)
-Combined NetworkCmProxyDataServiceImpl tests into one class & addressed
code review comments

Issue-ID: CPS-505

Change-Id: I91ef65467496caea7834ba2e8af99cfe58d4f880
Signed-off-by: JosephKeenan <joseph.keenan@est.tech>

1 files changed, 54 insertions, 0 deletions

diff --git a/cps-ncmp-service/src/test/java/org/onap/cps/ncmp/utils/TestUtils.java b/cps-ncmp-service/src/test/java/org/onap/cps/ncmp/utils/TestUtils.java
new file mode 100644
index 0000000000..06ee6edb92
--- /dev/null
+++ b/cps-ncmp-service/src/test/java/org/onap/cps/ncmp/utils/TestUtils.java
@@ -0,0 +1,54 @@
+/*
+ * ============LICENSE_START=======================================================
+ *  Copyright (C) 2021 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.onap.cps.ncmp.utils;
+
+import java.io.File;
+import java.io.IOException;
+import java.nio.file.Files;
+
+/**
+ * Common convenience methods for testing.
+ */
+public class TestUtils {
+
+    /**
+     * Convert a file in the test resource folder to file.
+     *
+     * @param filename to name of the file in test/resources
+     * @return the file
+     * @throws IOException when there is an IO issue
+     */
+    public static File readFile(final String filename) {
+        return new File(ClassLoader.getSystemClassLoader().getResource(filename).getFile());
+    }
+
+    /**
+     * Convert a file in the test resource folder to a string.
+     *
+     * @param filename to name of the file in test/resources
+     * @return the content of the file as a String
+     * @throws IOException when there is an IO issue
+     */
+    public static String getResourceFileContent(final String filename) throws IOException {
+        final File file = readFile(filename);
+        return new String(Files.readAllBytes(file.toPath()));
+    }
+}