From 37f4fef730a59fd5230b90e60039b05ed5e4d88b Mon Sep 17 00:00:00 2001 From: Jim Hahn Date: Wed, 17 Jul 2019 12:05:34 -0400 Subject: Convert double to int when decoding via gson Refactored MapDoubleAdapterFactory, extracting DoubleConverter to be used by code needing to convert Double to Integer/Long after being decoded by GSON. Enhanced StandardCoder to automatically use the above converter if the desired class is a generic Object. Change-Id: I1d4e83910de41ceda383f257bfea706db2b8fbbe Issue-ID: POLICY-1919 Signed-off-by: Jim Hahn --- .../policy/common/gson/DoubleConverterTest.java | 104 +++++++++++++++++++ .../common/gson/MapDoubleAdapterFactoryTest.java | 112 +++++++++++++++------ 2 files changed, 184 insertions(+), 32 deletions(-) create mode 100644 gson/src/test/java/org/onap/policy/common/gson/DoubleConverterTest.java (limited to 'gson/src/test/java/org/onap/policy/common') diff --git a/gson/src/test/java/org/onap/policy/common/gson/DoubleConverterTest.java b/gson/src/test/java/org/onap/policy/common/gson/DoubleConverterTest.java new file mode 100644 index 00000000..c81a5cd6 --- /dev/null +++ b/gson/src/test/java/org/onap/policy/common/gson/DoubleConverterTest.java @@ -0,0 +1,104 @@ +/* + * ============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.assertNull; + +import java.util.ArrayList; +import java.util.LinkedHashMap; +import java.util.List; +import java.util.Map; +import org.junit.Test; + +public class DoubleConverterTest { + + @Test + @SuppressWarnings("unchecked") + public void testConvertFromDoubleObject() { + // these should be unchanged + assertNull(DoubleConverter.convertFromDouble((Object) null)); + assertEquals("hello", DoubleConverter.convertFromDouble("hello")); + assertEquals("10.0", DoubleConverter.convertFromDouble("10.0")); + assertEquals(12.5, DoubleConverter.convertFromDouble(12.5)); + assertEquals(12, DoubleConverter.convertFromDouble(12)); + assertEquals(12L, DoubleConverter.convertFromDouble(12L)); + + // positive and negative int + assertEquals(10, DoubleConverter.convertFromDouble(10.0)); + assertEquals(-10, DoubleConverter.convertFromDouble(-10.0)); + + // positive and negative long + assertEquals(100000000000L, DoubleConverter.convertFromDouble(100000000000.0)); + assertEquals(-100000000000L, DoubleConverter.convertFromDouble(-100000000000.0)); + + // list + List list = new ArrayList<>(); + list.add("list"); + list.add(null); + list.add(21.0); + list = (List) DoubleConverter.convertFromDouble((Object) list); + assertEquals("[list, null, 21]", list.toString()); + + // map + Map map = new LinkedHashMap<>(); + map.put("map-A", "map-value"); + map.put("map-B", null); + map.put("map-C", 22.0); + map = (Map) DoubleConverter.convertFromDouble((Object) map); + assertEquals("{map-A=map-value, map-B=null, map-C=22}", map.toString()); + } + + @Test + public void testConvertFromDoubleList() { + // null is ok + DoubleConverter.convertFromDouble((List) null); + + List list = new ArrayList<>(); + list.add("world"); + list.add(20.0); + + List nested = new ArrayList<>(); + list.add(nested); + nested.add(30.0); + + DoubleConverter.convertFromDouble(list); + + assertEquals("[world, 20, [30]]", list.toString()); + } + + @Test + public void testConvertFromDoubleMap() { + // null is ok + DoubleConverter.convertFromDouble((Map) null); + + Map map = new LinkedHashMap<>(); + map.put("keyA", "valueA"); + map.put("keyB", 200.0); + + Map nested = new LinkedHashMap<>(); + map.put("keyC", nested); + nested.put("nested-key", 201.0); + + DoubleConverter.convertFromDouble(map); + assertEquals("{keyA=valueA, keyB=200, keyC={nested-key=201}}", map.toString()); + } +} diff --git a/gson/src/test/java/org/onap/policy/common/gson/MapDoubleAdapterFactoryTest.java b/gson/src/test/java/org/onap/policy/common/gson/MapDoubleAdapterFactoryTest.java index 7171d262..79631c5c 100644 --- a/gson/src/test/java/org/onap/policy/common/gson/MapDoubleAdapterFactoryTest.java +++ b/gson/src/test/java/org/onap/policy/common/gson/MapDoubleAdapterFactoryTest.java @@ -24,8 +24,10 @@ import static org.junit.Assert.assertEquals; import com.google.gson.Gson; import com.google.gson.GsonBuilder; +import java.util.ArrayList; import java.util.HashMap; import java.util.LinkedHashMap; +import java.util.List; import java.util.Map; import org.junit.Test; @@ -34,84 +36,130 @@ public class MapDoubleAdapterFactoryTest { @Test @SuppressWarnings("unchecked") - public void test() { + public void testMap() { MyMap map = new MyMap(); - map.props = new HashMap<>(); - map.props.put("plainString", "def"); - map.props.put("posInt", 10); - map.props.put("negInt", -10); - map.props.put("doubleVal", 12.5); - map.props.put("posLong", 100000000000L); - map.props.put("negLong", -100000000000L); + map.data = new HashMap<>(); + map.data.put("plainString", "def"); + map.data.put("posInt", 10); + map.data.put("negInt", -10); + map.data.put("doubleVal", 12.5); + map.data.put("posLong", 100000000000L); + map.data.put("negLong", -100000000000L); Map nested = new LinkedHashMap<>(); - map.props.put("nestedMap", nested); + map.data.put("nestedMap", nested); nested.put("nestedString", "world"); nested.put("nestedInt", 50); String json = gson.toJson(map); - map.props.clear(); + map.data.clear(); map = gson.fromJson(json, MyMap.class); assertEquals(json, gson.toJson(map)); - assertEquals(10, map.props.get("posInt")); - assertEquals(-10, map.props.get("negInt")); - assertEquals(100000000000L, map.props.get("posLong")); - assertEquals(-100000000000L, map.props.get("negLong")); - assertEquals(12.5, map.props.get("doubleVal")); - assertEquals(nested, map.props.get("nestedMap")); + assertEquals(10, map.data.get("posInt")); + assertEquals(-10, map.data.get("negInt")); + assertEquals(100000000000L, map.data.get("posLong")); + assertEquals(-100000000000L, map.data.get("negLong")); + assertEquals(12.5, map.data.get("doubleVal")); + assertEquals(nested, map.data.get("nestedMap")); - nested = (Map) map.props.get("nestedMap"); + nested = (Map) map.data.get("nestedMap"); assertEquals(50, nested.get("nestedInt")); } + @Test + public void testList() { + MyList list = new MyList(); + list.data = new ArrayList<>(); + list.data.add("ghi"); + list.data.add(100); + + List nested = new ArrayList<>(); + list.data.add(nested); + nested.add("world2"); + nested.add(500); + + String json = gson.toJson(list); + + list.data.clear(); + list = gson.fromJson(json, MyList.class); + + assertEquals(json, gson.toJson(list)); + + assertEquals("[ghi, 100, [world2, 500]]", list.data.toString()); + } + @Test public void test_ValueIsNotObject() { MyDoubleMap map = new MyDoubleMap(); - map.props = new LinkedHashMap<>(); - map.props.put("plainDouble", 13.5); - map.props.put("doubleAsInt", 100.0); + map.data = new LinkedHashMap<>(); + map.data.put("plainDouble", 13.5); + map.data.put("doubleAsInt", 100.0); String json = gson.toJson(map); - map.props.clear(); + map.data.clear(); map = gson.fromJson(json, MyDoubleMap.class); // everything should still be Double - check by simply accessing - map.props.get("plainDouble"); - map.props.get("doubleAsInt"); + map.data.get("plainDouble"); + map.data.get("doubleAsInt"); } @Test public void test_KeyIsNotString() { MyObjectMap map = new MyObjectMap(); - map.props = new LinkedHashMap<>(); - map.props.put("plainDouble2", 14.5); - map.props.put("doubleAsInt2", 200.0); + map.data = new LinkedHashMap<>(); + map.data.put("plainDouble2", 14.5); + map.data.put("doubleAsInt2", 200.0); String json = gson.toJson(map); - map.props.clear(); + map.data.clear(); map = gson.fromJson(json, MyObjectMap.class); // everything should still be Double - assertEquals(14.5, map.props.get("plainDouble2")); - assertEquals(200.0, map.props.get("doubleAsInt2")); + assertEquals(14.5, map.data.get("plainDouble2")); + assertEquals(200.0, map.data.get("doubleAsInt2")); + } + + @Test + public void test_ListValueIsNotObject() { + MyDoubleList list = new MyDoubleList(); + list.data = new ArrayList<>(); + list.data.add(13.5); + list.data.add(100.0); + + String json = gson.toJson(list); + + list.data.clear(); + list = gson.fromJson(json, MyDoubleList.class); + + // everything should still be Double - check by simply accessing + assertEquals("[13.5, 100.0]", list.data.toString()); } private static class MyMap { - private Map props; + private Map data; } private static class MyDoubleMap { - private Map props; + private Map data; } private static class MyObjectMap { - private Map props; + private Map data; + } + + private static class MyList { + private List data; + } + + private static class MyDoubleList { + private List data; } } -- cgit 1.2.3-korg