diff options
Diffstat (limited to 'utils-test/src/test/java/org/onap/policy/common/utils/gson/GsonTestUtilsBuilderTest.java')
-rw-r--r-- | utils-test/src/test/java/org/onap/policy/common/utils/gson/GsonTestUtilsBuilderTest.java | 93 |
1 files changed, 93 insertions, 0 deletions
diff --git a/utils-test/src/test/java/org/onap/policy/common/utils/gson/GsonTestUtilsBuilderTest.java b/utils-test/src/test/java/org/onap/policy/common/utils/gson/GsonTestUtilsBuilderTest.java new file mode 100644 index 00000000..3e4244dd --- /dev/null +++ b/utils-test/src/test/java/org/onap/policy/common/utils/gson/GsonTestUtilsBuilderTest.java @@ -0,0 +1,93 @@ +/* + * ============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.utils.gson; + +import static org.junit.Assert.assertEquals; +import static org.mockito.Mockito.mock; +import static org.mockito.Mockito.when; + +import com.google.gson.Gson; +import com.google.gson.TypeAdapter; +import com.google.gson.TypeAdapterFactory; +import com.google.gson.reflect.TypeToken; +import com.google.gson.stream.JsonWriter; +import java.io.IOException; +import org.junit.Before; +import org.junit.Test; + +public class GsonTestUtilsBuilderTest { + + private GsonTestUtilsBuilder bldr; + private GsonTestUtils utils; + + @Before + public void setUp() { + bldr = new MyBuilder(); + utils = bldr.build(); + } + + @Test + public void testBuilderAddMock() { + PreMock pre = mock(PreMock.class); + when(pre.getId()).thenReturn(2000); + + assertEquals("{\"name\":2000}", utils.gsonEncode(pre)); + } + + /** + * Builder that provides an adapter for mock(PreMock.class). + */ + private static class MyBuilder extends GsonTestUtilsBuilder { + public MyBuilder() { + TypeAdapterFactory sgson = new TypeAdapterFactory() { + @Override + public <T> TypeAdapter<T> create(Gson gson, TypeToken<T> type) { + Class<? super T> clazz = type.getRawType(); + + if (PreMock.class.isAssignableFrom(clazz)) { + return new GsonSerializer<T>() { + @Override + public void write(JsonWriter out, T value) throws IOException { + PreMock obj = (PreMock) value; + out.beginObject().name("name").value(obj.getId()).endObject(); + } + }; + } + + return null; + } + }; + + addMock(PreMock.class, sgson); + } + } + + /** + * Class that will be mocked. + */ + public static class PreMock { + protected int id = 1000; + + public int getId() { + return id; + } + } +} |