| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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. |
| */ |
| package org.jclouds.json.internal; |
| |
| import com.google.common.base.Objects; |
| import com.google.common.collect.FluentIterable; |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.ImmutableMap; |
| import com.google.common.collect.ImmutableMultimap; |
| import com.google.common.collect.ImmutableSet; |
| import com.google.common.collect.Multimap; |
| import com.google.common.reflect.TypeToken; |
| import com.google.gson.Gson; |
| import com.google.gson.GsonBuilder; |
| import org.jclouds.json.internal.NullFilteringTypeAdapterFactories.CollectionTypeAdapterFactory; |
| import org.jclouds.json.internal.NullFilteringTypeAdapterFactories.FluentIterableTypeAdapterFactory; |
| import org.jclouds.json.internal.NullFilteringTypeAdapterFactories.ImmutableListTypeAdapterFactory; |
| import org.jclouds.json.internal.NullFilteringTypeAdapterFactories.ImmutableSetTypeAdapterFactory; |
| import org.jclouds.json.internal.NullFilteringTypeAdapterFactories.IterableTypeAdapterFactory; |
| import org.jclouds.json.internal.NullFilteringTypeAdapterFactories.ListTypeAdapterFactory; |
| import org.jclouds.json.internal.NullFilteringTypeAdapterFactories.MapTypeAdapterFactory; |
| import org.jclouds.json.internal.NullFilteringTypeAdapterFactories.MultimapTypeAdapterFactory; |
| import org.jclouds.json.internal.NullFilteringTypeAdapterFactories.SetTypeAdapterFactory; |
| import org.jclouds.json.internal.NullFilteringTypeAdapterFactories.ImmutableMapTypeAdapterFactory; |
| import org.testng.annotations.Test; |
| |
| import java.lang.reflect.Type; |
| import java.util.Collection; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Set; |
| |
| import static com.google.common.base.Objects.equal; |
| import static org.testng.Assert.assertEquals; |
| |
| @Test(testName = "NullFilteringTypeAdapterFactoriesTest") |
| public class NullFilteringTypeAdapterFactoriesTest { |
| private static class Resource { |
| private final String id; |
| private final String name; |
| |
| private Resource(String id, String name) { |
| this.id = id; |
| this.name = name; |
| } |
| |
| @Override |
| public int hashCode() { |
| return Objects.hashCode(id, name); |
| } |
| |
| @Override |
| public boolean equals(Object obj) { |
| if (this == obj) |
| return true; |
| if (obj == null || getClass() != obj.getClass()) |
| return false; |
| Resource that = Resource.class.cast(obj); |
| return equal(this.id, that.id) && equal(this.name, that.name); |
| } |
| } |
| |
| private Gson fluentIterable = new GsonBuilder().registerTypeAdapterFactory(new FluentIterableTypeAdapterFactory()) |
| .create(); |
| private Type fluentIterableType = new TypeToken<FluentIterable<String>>() { |
| private static final long serialVersionUID = 1L; |
| }.getType(); |
| private Type fluentIterableResourceType = new TypeToken<FluentIterable<Resource>>() { |
| private static final long serialVersionUID = 1L; |
| }.getType(); |
| |
| public void testFluentIterable() { |
| FluentIterable<String> noNulls = fluentIterable.fromJson("[\"value\",\"a test string!\"]", fluentIterableType); |
| assertEquals(noNulls.toList(), ImmutableList.of("value", "a test string!")); |
| FluentIterable<String> withNull = fluentIterable.fromJson("[null,\"a test string!\"]", fluentIterableType); |
| assertEquals(withNull.toList(), ImmutableList.of("a test string!")); |
| FluentIterable<String> withDupes = fluentIterable.fromJson("[\"value\",\"value\"]", fluentIterableType); |
| assertEquals(withDupes.toList(), ImmutableList.of("value", "value")); |
| FluentIterable<Resource> resources = fluentIterable.fromJson( |
| "[{\"id\":\"i-foo\",\"name\":\"foo\"},{\"id\":\"i-bar\",\"name\":\"bar\"}]", fluentIterableResourceType); |
| assertEquals(resources.toList(), ImmutableList.of(new Resource("i-foo", "foo"), new Resource("i-bar", "bar"))); |
| } |
| |
| private Gson collection = new GsonBuilder().registerTypeAdapterFactory(new CollectionTypeAdapterFactory()).create(); |
| private Type collectionType = new TypeToken<Collection<String>>() { |
| private static final long serialVersionUID = 1L; |
| }.getType(); |
| private Type collectionResourceType = new TypeToken<Collection<Resource>>() { |
| private static final long serialVersionUID = 1L; |
| }.getType(); |
| |
| public void testCollection() { |
| Collection<String> noNulls = collection.fromJson("[\"value\",\"a test string!\"]", collectionType); |
| assertEquals(noNulls, ImmutableList.of("value", "a test string!")); |
| Collection<String> withNull = collection.fromJson("[null,\"a test string!\"]", collectionType); |
| assertEquals(withNull, ImmutableList.of("a test string!")); |
| Collection<String> withDupes = collection.fromJson("[\"value\",\"value\"]", collectionType); |
| assertEquals(withDupes, ImmutableList.of("value", "value")); |
| Collection<Resource> resources = collection.fromJson( |
| "[{\"id\":\"i-foo\",\"name\":\"foo\"},{\"id\":\"i-bar\",\"name\":\"bar\"}]", collectionResourceType); |
| assertEquals(resources, ImmutableList.of(new Resource("i-foo", "foo"), new Resource("i-bar", "bar"))); |
| } |
| |
| private Gson iterable = new GsonBuilder().registerTypeAdapterFactory(new IterableTypeAdapterFactory()).create(); |
| private Type iterableType = new TypeToken<Iterable<String>>() { |
| private static final long serialVersionUID = 1L; |
| }.getType(); |
| private Type iterableResourceType = new TypeToken<Iterable<Resource>>() { |
| private static final long serialVersionUID = 1L; |
| }.getType(); |
| |
| public void testIterable() { |
| Iterable<String> noNulls = iterable.fromJson("[\"value\",\"a test string!\"]", iterableType); |
| assertEquals(noNulls, ImmutableList.of("value", "a test string!")); |
| Iterable<String> withNull = iterable.fromJson("[null,\"a test string!\"]", iterableType); |
| assertEquals(withNull, ImmutableList.of("a test string!")); |
| Iterable<String> withDupes = iterable.fromJson("[\"value\",\"value\"]", iterableType); |
| assertEquals(withDupes, ImmutableList.of("value", "value")); |
| Iterable<Resource> resources = iterable.fromJson( |
| "[{\"id\":\"i-foo\",\"name\":\"foo\"},{\"id\":\"i-bar\",\"name\":\"bar\"}]", iterableResourceType); |
| assertEquals(resources, ImmutableList.of(new Resource("i-foo", "foo"), new Resource("i-bar", "bar"))); |
| } |
| |
| private Type iterableWildcardExtendsResourceType = new TypeToken<Iterable<? extends Resource>>() { |
| private static final long serialVersionUID = 1L; |
| }.getType(); |
| |
| public void testWildcardExtends() { |
| Iterable<? extends Resource> wildcardExtendsResources = iterable.fromJson( |
| "[{\"id\":\"i-foo\",\"name\":\"foo\"},{\"id\":\"i-bar\",\"name\":\"bar\"}]", |
| iterableWildcardExtendsResourceType); |
| assertEquals(wildcardExtendsResources, |
| ImmutableList.of(new Resource("i-foo", "foo"), new Resource("i-bar", "bar"))); |
| } |
| |
| private Gson list = new GsonBuilder().registerTypeAdapterFactory(new ListTypeAdapterFactory()).create(); |
| private Type listType = new TypeToken<List<String>>() { |
| private static final long serialVersionUID = 1L; |
| }.getType(); |
| private Type listResourceType = new TypeToken<List<Resource>>() { |
| private static final long serialVersionUID = 1L; |
| }.getType(); |
| |
| public void testList() { |
| Iterable<String> noNulls = list.fromJson("[\"value\",\"a test string!\"]", listType); |
| assertEquals(noNulls, ImmutableList.of("value", "a test string!")); |
| Iterable<String> withNull = list.fromJson("[null,\"a test string!\"]", listType); |
| assertEquals(withNull, ImmutableList.of("a test string!")); |
| Iterable<String> withDupes = list.fromJson("[\"value\",\"value\"]", listType); |
| assertEquals(withDupes, ImmutableList.of("value", "value")); |
| Iterable<Resource> resources = list.fromJson( |
| "[{\"id\":\"i-foo\",\"name\":\"foo\"},{\"id\":\"i-bar\",\"name\":\"bar\"}]", listResourceType); |
| assertEquals(resources, ImmutableList.of(new Resource("i-foo", "foo"), new Resource("i-bar", "bar"))); |
| } |
| |
| private Gson immutableList = new GsonBuilder().registerTypeAdapterFactory(new ImmutableListTypeAdapterFactory()).create(); |
| private Type immutableListType = new TypeToken<ImmutableList<String>>() { |
| private static final long serialVersionUID = 1L; |
| }.getType(); |
| private Type immutableListResourceType = new TypeToken<ImmutableList<Resource>>() { |
| private static final long serialVersionUID = 1L; |
| }.getType(); |
| |
| public void testImmutableList() { |
| Iterable<String> noNulls = immutableList.fromJson("[\"value\",\"a test string!\"]", immutableListType); |
| assertEquals(noNulls, ImmutableList.of("value", "a test string!")); |
| Iterable<String> withNull = immutableList.fromJson("[null,\"a test string!\"]", immutableListType); |
| assertEquals(withNull, ImmutableList.of("a test string!")); |
| Iterable<String> withDupes = immutableList.fromJson("[\"value\",\"value\"]", immutableListType); |
| assertEquals(withDupes, ImmutableList.of("value", "value")); |
| Iterable<Resource> resources = immutableList.fromJson( |
| "[{\"id\":\"i-foo\",\"name\":\"foo\"},{\"id\":\"i-bar\",\"name\":\"bar\"}]", immutableListResourceType); |
| assertEquals(resources, ImmutableList.of(new Resource("i-foo", "foo"), new Resource("i-bar", "bar"))); |
| } |
| |
| private Gson set = new GsonBuilder().registerTypeAdapterFactory(new SetTypeAdapterFactory()).create(); |
| private Type setType = new TypeToken<Set<String>>() { |
| private static final long serialVersionUID = 1L; |
| }.getType(); |
| private Type setResourceType = new TypeToken<Set<Resource>>() { |
| private static final long serialVersionUID = 1L; |
| }.getType(); |
| |
| public void testSet() { |
| Set<String> noNulls = set.fromJson("[\"value\",\"a test string!\"]", setType); |
| assertEquals(noNulls, ImmutableSet.of("value", "a test string!")); |
| Set<String> withNull = set.fromJson("[null,\"a test string!\"]", setType); |
| assertEquals(withNull, ImmutableSet.of("a test string!")); |
| Set<String> withDupes = set.fromJson("[\"value\",\"value\"]", setType); |
| assertEquals(withDupes, ImmutableSet.of("value")); |
| Set<Resource> resources = set.fromJson( |
| "[{\"id\":\"i-foo\",\"name\":\"foo\"},{\"id\":\"i-bar\",\"name\":\"bar\"}]", setResourceType); |
| assertEquals(resources, ImmutableSet.of(new Resource("i-foo", "foo"), new Resource("i-bar", "bar"))); |
| } |
| |
| private Gson immutableSet = new GsonBuilder().registerTypeAdapterFactory(new ImmutableSetTypeAdapterFactory()).create(); |
| private Type immutableSetType = new TypeToken<ImmutableSet<String>>() { |
| private static final long serialVersionUID = 1L; |
| }.getType(); |
| private Type immutableSetResourceType = new TypeToken<ImmutableSet<Resource>>() { |
| private static final long serialVersionUID = 1L; |
| }.getType(); |
| |
| public void testImmutableSet() { |
| Iterable<String> noNulls = immutableSet.fromJson("[\"value\",\"a test string!\"]", immutableSetType); |
| assertEquals(noNulls, ImmutableSet.of("value", "a test string!")); |
| Iterable<String> withNull = immutableSet.fromJson("[null,\"a test string!\"]", immutableSetType); |
| assertEquals(withNull, ImmutableSet.of("a test string!")); |
| Iterable<String> withDupes = immutableSet.fromJson("[\"value\",\"value\"]", immutableSetType); |
| assertEquals(withDupes, ImmutableSet.of("value", "value")); |
| Iterable<Resource> resources = immutableSet.fromJson( |
| "[{\"id\":\"i-foo\",\"name\":\"foo\"},{\"id\":\"i-bar\",\"name\":\"bar\"}]", immutableSetResourceType); |
| assertEquals(resources, ImmutableSet.of(new Resource("i-foo", "foo"), new Resource("i-bar", "bar"))); |
| } |
| |
| private Gson immutableMap = new GsonBuilder().registerTypeAdapterFactory(new ImmutableMapTypeAdapterFactory()).create(); |
| private Type immutableMapType = new TypeToken<ImmutableMap<String, String>>() { |
| private static final long serialVersionUID = 1L; |
| }.getType(); |
| private Type immutableMapResourceType = new TypeToken<ImmutableMap<String, Resource>>() { |
| private static final long serialVersionUID = 1L; |
| }.getType(); |
| |
| public void testImmutableMap() { |
| ImmutableMap<String, String> noNulls = immutableMap.fromJson("{\"value\":\"a test string!\"}", immutableMapType); |
| assertEquals(noNulls, ImmutableMap.of("value", "a test string!")); |
| ImmutableMap<String, String> withNull = immutableMap.fromJson("{\"key\":null}", immutableMapType); |
| assertEquals(withNull, ImmutableMap.of()); |
| ImmutableMap<String, String> withEmpty = map.fromJson("{\"value\":\"\"}", mapType); |
| assertEquals(withEmpty, ImmutableMap.of("value", "")); |
| ImmutableMap<String, Resource> resources = immutableMap.fromJson( |
| "{\"key1\":{\"id\":\"i-foo\",\"name\":\"foo\"},\"key2\":{\"id\":\"i-bar\",\"name\":\"bar\"}}", immutableMapResourceType); |
| assertEquals(resources, ImmutableMap.of("key1", new Resource("i-foo", "foo"), "key2", new Resource("i-bar", "bar"))); |
| } |
| |
| private Gson map = new GsonBuilder().registerTypeAdapterFactory(new MapTypeAdapterFactory()).create(); |
| private Type mapType = new TypeToken<Map<String, String>>() { |
| private static final long serialVersionUID = 1L; |
| }.getType(); |
| private Type mapResourceType = new TypeToken<Map<String, Resource>>() { |
| private static final long serialVersionUID = 1L; |
| }.getType(); |
| |
| public void testMap() { |
| Map<String, String> noNulls = map.fromJson("{\"value\":\"a test string!\"}", mapType); |
| assertEquals(noNulls, ImmutableMap.of("value", "a test string!")); |
| Map<String, String> withNull = map.fromJson("{\"value\":null}", mapType); |
| assertEquals(withNull, ImmutableMap.of()); |
| Map<String, String> withEmpty = map.fromJson("{\"value\":\"\"}", mapType); |
| assertEquals(withEmpty, ImmutableMap.of("value", "")); |
| Map<String, Resource> resources = map.fromJson( |
| "{\"i-foo\":{\"id\":\"i-foo\",\"name\":\"foo\"},\"i-bar\":{\"id\":\"i-bar\",\"name\":\"bar\"}}", |
| mapResourceType); |
| assertEquals(resources, |
| ImmutableMap.of("i-foo", new Resource("i-foo", "foo"), "i-bar", new Resource("i-bar", "bar"))); |
| } |
| |
| private Gson multimap = new GsonBuilder().registerTypeAdapterFactory(new MultimapTypeAdapterFactory()).create(); |
| private Type multimapType = new TypeToken<Multimap<String, String>>() { |
| private static final long serialVersionUID = 1L; |
| }.getType(); |
| private Type multimapResourceType = new TypeToken<Multimap<String, Resource>>() { |
| private static final long serialVersionUID = 1L; |
| }.getType(); |
| |
| public void testMultimap() { |
| Multimap<String, String> noNulls = multimap.fromJson("{\"value\":[\"a test string!\"]}", multimapType); |
| assertEquals(noNulls, ImmutableMultimap.of("value", "a test string!")); |
| Multimap<String, String> withNull = multimap.fromJson("{\"value\":[null]}", multimapType); |
| assertEquals(withNull, ImmutableMultimap.of()); |
| Multimap<String, String> withEmpty = multimap.fromJson("{\"value\":[\"\"]}", multimapType); |
| assertEquals(withEmpty, ImmutableMultimap.of("value", "")); |
| Multimap<String, String> withDupes = multimap.fromJson("{\"key\":[\"value\",\"value\"]}", multimapType); |
| assertEquals(withDupes.get("key"), ImmutableList.of("value", "value")); |
| Multimap<String, Resource> resources = multimap.fromJson( |
| "{\"i-foo\":[{\"id\":\"i-foo\",\"name\":\"foo\"}],\"i-bar\":[{\"id\":\"i-bar\",\"name\":\"bar\"}]}", |
| multimapResourceType); |
| assertEquals(resources, |
| ImmutableMultimap.of("i-foo", new Resource("i-foo", "foo"), "i-bar", new Resource("i-bar", "bar"))); |
| Multimap<String, Resource> resourceDupes = multimap.fromJson( |
| "{\"i-foo\":[{\"id\":\"i-foo\",\"name\":\"foo\"},{\"id\":\"i-bar\",\"name\":\"bar\"}]}", |
| multimapResourceType); |
| assertEquals(resourceDupes.get("i-foo"), |
| ImmutableList.of(new Resource("i-foo", "foo"), new Resource("i-bar", "bar"))); |
| } |
| } |