| /** |
| * 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.apache.metron.enrichment.stellar; |
| |
| import org.apache.metron.enrichment.cache.ObjectCache; |
| import org.apache.metron.enrichment.cache.ObjectCacheConfig; |
| import org.apache.metron.stellar.dsl.Context; |
| import org.junit.Before; |
| import org.junit.Rule; |
| import org.junit.Test; |
| import org.junit.rules.ExpectedException; |
| import org.junit.runner.RunWith; |
| import org.powermock.core.classloader.annotations.PrepareForTest; |
| import org.powermock.modules.junit4.PowerMockRunner; |
| |
| import java.util.ArrayList; |
| import java.util.Collections; |
| import java.util.HashMap; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertNull; |
| import static org.junit.Assert.assertTrue; |
| import static org.mockito.Mockito.mock; |
| import static org.mockito.Mockito.times; |
| import static org.mockito.Mockito.verify; |
| import static org.mockito.Mockito.when; |
| import static org.powermock.api.mockito.PowerMockito.whenNew; |
| |
| @RunWith(PowerMockRunner.class) |
| @PrepareForTest({ObjectGet.class, ObjectCache.class}) |
| public class ObjectGetTest { |
| @Rule |
| public ExpectedException thrown = ExpectedException.none(); |
| |
| private ObjectGet objectGet; |
| private ObjectCache objectCache; |
| private Context context; |
| |
| @Before |
| public void setup() throws Exception { |
| objectGet = new ObjectGet(); |
| objectCache = mock(ObjectCache.class); |
| context = new Context.Builder() |
| .with(Context.Capabilities.GLOBAL_CONFIG, HashMap::new) |
| .build(); |
| |
| whenNew(ObjectCache.class).withNoArguments().thenReturn(objectCache); |
| } |
| |
| @Test |
| public void shouldInitialize() throws Exception { |
| when(objectCache.isInitialized()).thenReturn(true); |
| |
| assertFalse(objectGet.isInitialized()); |
| objectGet.initialize(context); |
| |
| ObjectCacheConfig expectedConfig = new ObjectCacheConfig(new HashMap<>()); |
| |
| verify(objectCache, times(1)).initialize(expectedConfig); |
| assertTrue(objectGet.isInitialized()); |
| } |
| |
| @Test |
| public void shouldApplyObjectGet() { |
| Object object = mock(Object.class); |
| when(objectCache.get("/path")).thenReturn(object); |
| |
| assertNull(objectGet.apply(Collections.singletonList("/path"), context)); |
| |
| when(objectCache.isInitialized()).thenReturn(true); |
| objectGet.initialize(context); |
| |
| assertNull(objectGet.apply(new ArrayList<>(), context)); |
| assertNull(objectGet.apply(Collections.singletonList(null), context)); |
| assertEquals(object, objectGet.apply(Collections.singletonList("/path"), context)); |
| } |
| |
| @Test |
| public void shouldThrowIllegalStateExceptionOnInvalidPath() { |
| thrown.expect(IllegalStateException.class); |
| thrown.expectMessage("Unable to retrieve 1 as it is not a path"); |
| |
| when(objectCache.isInitialized()).thenReturn(true); |
| objectGet.initialize(context); |
| objectGet.apply(Collections.singletonList(1), context); |
| } |
| |
| } |