--- /dev/null
+/*
+ * ===============================LICENSE_START======================================
+ * dcae-analytics
+ * ================================================================================
+ * Copyright © 2017 AT&T Intellectual Property. All rights reserved.
+ * ================================================================================
+ * 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.
+ * ============================LICENSE_END===========================================
+ */
+
+package org.openecomp.dcae.apod.analytics.test;
+
+import org.json.JSONException;
+import org.junit.Assert;
+import org.skyscreamer.jsonassert.JSONAssert;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import java.io.BufferedReader;
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.ObjectOutputStream;
+import java.io.OutputStreamWriter;
+import java.lang.reflect.Field;
+import java.net.URL;
+import java.net.URLClassLoader;
+import java.nio.charset.Charset;
+import java.nio.file.Paths;
+import java.security.AccessController;
+import java.security.PrivilegedAction;
+import java.util.Arrays;
+
+import static java.nio.file.Files.deleteIfExists;
+import static java.nio.file.Files.exists;
+
+/**
+ * Base common test class for all DCAE Analytics Test e.g. unit tests, integration test, CDAP tests etc.
+ * <p>
+ * @author Rajiv Singla . Creation Date: 10/19/2016.
+ */
+abstract class BaseDCAEAnalyticsCommonTest {
+
+ protected static final Logger LOG = LoggerFactory.getLogger(BaseDCAEAnalyticsCommonTest.class);
+
+ /**
+ * Asserts if expected Json String and actual Json String contain the same properties ignoring
+ * property order. Simple String assertion might fail as property order during serialization and deserialization
+ * is generally non-deterministic. Also proper error message are generated more missing or unexpected
+ * properties
+ *
+ * @param expectedJsonString expected Json String
+ * @param actualJsonString actual Json String
+ * @throws JSONException Json Exception
+ */
+ public static void assertJson(String expectedJsonString, String actualJsonString) throws JSONException {
+ JSONAssert.assertEquals(expectedJsonString, actualJsonString, true);
+ }
+
+ /**
+ * Converts given file location to String
+ *
+ * @param fileLocation location of the file which needs to be converted to String
+ * @return Contents of file as string
+ * @throws IOException IOException
+ */
+ public static String fromStream(String fileLocation) throws IOException {
+ final InputStream jsonFileInputStream =
+ BaseDCAEAnalyticsCommonTest.class.getClassLoader().getResourceAsStream(fileLocation);
+ Assert.assertNotNull("Json File Location must be valid", jsonFileInputStream);
+ try (BufferedReader reader =
+ new BufferedReader(new InputStreamReader(jsonFileInputStream, Charset.forName("UTF-8")))) {
+ final StringBuilder result = new StringBuilder();
+ final String newLine = System.getProperty("line.separator");
+ String line = reader.readLine();
+ while (line != null) {
+ result.append(line);
+ result.append(newLine);
+ line = reader.readLine();
+ }
+ jsonFileInputStream.close();
+ return result.toString();
+ }
+ }
+
+
+ /**
+ * Checks if object can be serialized properly
+ *
+ * @param object input object
+ * @param callingClass calling class
+ * @throws IOException IOException
+ */
+ public static void testSerialization(Object object, Class<?> callingClass) throws IOException {
+ final URL location = callingClass.getProtectionDomain().getCodeSource().getLocation();
+ final File serializedOutputFile =
+ new File(location.getPath() + String.format("serialization/%s.ser", object.getClass().getSimpleName()));
+
+ // Maybe file already try deleting it first
+ final boolean deleteIfExists = deleteIfExists(Paths.get(serializedOutputFile.getPath()));
+
+ if (deleteIfExists) {
+ LOG.warn("Previous serialization file was overwritten at location: {}", serializedOutputFile.getPath());
+ }
+
+ boolean mkdirs = true;
+ if (!exists(Paths.get(serializedOutputFile.getParentFile().getPath()))) {
+ mkdirs = serializedOutputFile.getParentFile().mkdirs();
+ }
+ if (mkdirs) {
+ try (FileOutputStream fileOutputStream = new FileOutputStream(serializedOutputFile);
+ ObjectOutputStream objectOutputStream = new ObjectOutputStream(fileOutputStream)) {
+ objectOutputStream.writeObject(object);
+ LOG.debug("Successfully created serialization file at location: {}", serializedOutputFile.getPath());
+ }
+ } else {
+ throw new IllegalStateException(
+ String.format("Failed to create location to store serialization file: %s",
+ serializedOutputFile));
+ }
+ }
+
+ /**
+ * Writes Text to Output file
+ *
+ * @param textFileLocation - location of text file e.g. textfiles/fileName.json
+ * @param content - file content
+ * @param callingClass - calling class
+ * @throws IOException - ioException
+ */
+ public static void writeToOutputTextFile(String textFileLocation, String content, Class<?> callingClass) throws
+ IOException {
+ final URL location = callingClass.getProtectionDomain().getCodeSource().getLocation();
+ final File fileLocation = new File(location.getPath() + textFileLocation);
+
+ // Maybe file already try deleting it first
+ final boolean deleteIfExists = deleteIfExists(Paths.get(fileLocation.getPath()));
+
+ if (deleteIfExists) {
+ LOG.warn("Previous file will be overwritten at location: {}", fileLocation.getPath());
+ }
+
+ boolean mkdirs = true;
+ if (!exists(Paths.get(fileLocation.getParentFile().getPath()))) {
+ mkdirs = fileLocation.getParentFile().mkdirs();
+ }
+ if (mkdirs) {
+ try (
+ FileOutputStream fileOutputStream = new FileOutputStream(fileLocation);
+ OutputStreamWriter outputStream =
+ new OutputStreamWriter(fileOutputStream, Charset.forName("UTF-8"))) {
+ outputStream.write(content);
+ LOG.debug("Successfully created text file at location: {}", fileLocation.getPath());
+ }
+ } else {
+ throw new IllegalStateException(
+ String.format("Failed to create location to store text file: %s", fileLocation));
+ }
+
+ }
+
+
+ /**
+ * For testing purposes only we may sometime we may want to access private fields of underlying
+ * object to confirm the values are setup correctly.
+ * <p>
+ * This method uses java reflection to get the value to private object in the class
+ *
+ * @param object Actual object which has the private field you want to check
+ * @param fieldName Field name in the Actual Object you want to get the value of
+ * @param privateFieldClass Type of the private field
+ * @param <T> Class of Actual Object
+ * @param <U> Class of private field
+ * @return value of the private field
+ */
+ public static <T, U> U getPrivateFiledValue(T object, String fieldName, Class<U> privateFieldClass) {
+
+ final Class<?> objectClass = object.getClass();
+ try {
+ final Field privateField = objectClass.getDeclaredField(fieldName);
+ try {
+
+ // mark private field to be accessible for testing purposes
+ AccessController.doPrivileged(new PrivilegedAction() {
+ @Override
+ public Object run() {
+ privateField.setAccessible(true);
+ return null;
+ }
+ });
+
+
+ return privateFieldClass.cast(privateField.get(object));
+
+ } catch (IllegalAccessException e) {
+ LOG.error("Unable to access field: {}", fieldName);
+ throw new IllegalStateException(e);
+ }
+ } catch (NoSuchFieldException e) {
+ LOG.error("Unable to locate field name: {} in class: {}", fieldName, objectClass.getSimpleName());
+ throw new IllegalStateException(e);
+ }
+
+
+ }
+
+
+ /**
+ * Prints classpath jars which are visible inside the class
+ *
+ * @param classLoader classloader of the calling class
+ */
+ public static void dumpClasspath(ClassLoader classLoader) {
+
+ LOG.info("Dumping ClassPath for classloader: {}", classLoader);
+
+ if (classLoader instanceof URLClassLoader) {
+
+ URLClassLoader ucl = (URLClassLoader) classLoader;
+ LOG.info("\t ==========>>>" + Arrays.toString(ucl.getURLs()));
+
+ } else {
+ LOG.info("\t(cannot display components as not a URLClassLoader)");
+ }
+
+ if (classLoader.getParent() != null) {
+ dumpClasspath(classLoader.getParent());
+ }
+ }
+
+}
Code Review / dcaegen2 / analytics / tca.git / blobdiff