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-rw-r--r--gson/src/test/java/org/onap/policy/common/gson/JacksonHandlerTest.java132
1 files changed, 132 insertions, 0 deletions
diff --git a/gson/src/test/java/org/onap/policy/common/gson/JacksonHandlerTest.java b/gson/src/test/java/org/onap/policy/common/gson/JacksonHandlerTest.java
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+/*
+ * ============LICENSE_START=======================================================
+ * ONAP
+ * ================================================================================
+ * Copyright (C) 2019 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.onap.policy.common.gson;
+
+import static org.junit.Assert.assertEquals;
+import static org.junit.Assert.assertFalse;
+import static org.junit.Assert.assertTrue;
+
+import com.google.gson.Gson;
+import com.google.gson.JsonObject;
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.StringReader;
+import java.util.HashMap;
+import java.util.Map;
+import java.util.TreeMap;
+import javax.ws.rs.core.MediaType;
+import org.junit.Test;
+import org.onap.policy.common.gson.JacksonHandler;
+import org.onap.policy.common.gson.annotation.GsonJsonAnyGetter;
+import org.onap.policy.common.gson.annotation.GsonJsonAnySetter;
+
+public class JacksonHandlerTest {
+
+ @Test
+ public void test() throws Exception {
+ JacksonHandler hdlr = new JacksonHandler();
+
+ assertTrue(hdlr.isReadable(null, null, null, MediaType.APPLICATION_JSON_TYPE));
+ assertFalse(hdlr.isReadable(null, null, null, MediaType.TEXT_PLAIN_TYPE));
+
+ JsonObject expected = new JsonObject();
+ expected.addProperty("myId", 100);
+ expected.addProperty("value", "a value");
+ expected.addProperty("abc", "def");
+ expected.addProperty("hello", "world");
+
+ Data data = new Data();
+ data.id = 10;
+ data.value = "a value";
+ data.props = new HashMap<>();
+ data.props.put("abc", "def");
+ data.props.put("hello", "world");
+
+ /*
+ * Ensure everything serializes as expected.
+ */
+ ByteArrayOutputStream outstr = new ByteArrayOutputStream();
+ hdlr.writeTo(data, Data.class, Data.class, null, null, null, outstr);
+
+ StringReader rdr = new StringReader(outstr.toString("UTF-8"));
+ JsonObject json = new Gson().fromJson(rdr, JsonObject.class);
+
+ assertEquals(expected, json);
+
+ /*
+ * Ensure everything deserializes as expected.
+ */
+ Data data2 = (Data) hdlr.readFrom(Object.class, Data.class, null, null, null,
+ new ByteArrayInputStream(outstr.toByteArray()));
+
+ // id is not serialized, so we must copy it manually before comparing
+ data2.id = data.id;
+
+ assertEquals(data.toString(), data2.toString());
+ }
+
+ /**
+ * This class includes all policy-specific gson annotations.
+ */
+ public static class Data {
+ protected int id;
+
+ protected String value;
+
+ protected Map<String, String> props;
+
+ public int getMyId() {
+ return 100;
+ }
+
+ public String getValue() {
+ return value;
+ }
+
+ public void setValue(String value) {
+ this.value = value;
+ }
+
+ @GsonJsonAnyGetter
+ public Map<String, String> getProps() {
+ return props;
+ }
+
+ /**
+ * Sets a property.
+ * @param name property name
+ * @param value new value
+ */
+ @GsonJsonAnySetter
+ public void setProperty(String name, String value) {
+ if (props == null) {
+ props = new TreeMap<>();
+ }
+
+ props.put(name, value);
+ }
+
+ @Override
+ public String toString() {
+ return "Data [id=" + id + ", value=" + value + ", props=" + props + "]";
+ }
+ }
+}