| /* |
| * 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.druid.server.lookup; |
| |
| import com.google.common.collect.ImmutableMap; |
| import com.google.common.collect.ImmutableSet; |
| import org.apache.druid.common.config.NullHandling; |
| import org.apache.druid.server.lookup.cache.loading.LoadingCache; |
| import org.apache.druid.testing.InitializedNullHandlingTest; |
| import org.easymock.EasyMock; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.concurrent.Callable; |
| import java.util.concurrent.ExecutionException; |
| |
| public class LoadingLookupTest extends InitializedNullHandlingTest |
| { |
| DataFetcher dataFetcher = EasyMock.createMock(DataFetcher.class); |
| LoadingCache lookupCache = EasyMock.createStrictMock(LoadingCache.class); |
| LoadingCache reverseLookupCache = EasyMock.createStrictMock(LoadingCache.class); |
| LoadingLookup loadingLookup = new LoadingLookup(dataFetcher, lookupCache, reverseLookupCache); |
| |
| @Test |
| public void testApplyEmptyOrNull() throws ExecutionException |
| { |
| EasyMock.expect(lookupCache.get(EasyMock.eq(""), EasyMock.anyObject(Callable.class))) |
| .andReturn("empty").atLeastOnce(); |
| EasyMock.replay(lookupCache); |
| Assert.assertEquals("empty", loadingLookup.apply("")); |
| if (!NullHandling.sqlCompatible()) { |
| // Nulls and empty strings should have same behavior |
| Assert.assertEquals("empty", loadingLookup.apply(null)); |
| } else { |
| Assert.assertNull(loadingLookup.apply(null)); |
| } |
| EasyMock.verify(lookupCache); |
| } |
| |
| @Test |
| public void testUnapplyNull() |
| { |
| if (NullHandling.sqlCompatible()) { |
| Assert.assertEquals(Collections.emptyList(), loadingLookup.unapply(null)); |
| } else { |
| Assert.assertNull(loadingLookup.unapply(null)); |
| } |
| } |
| |
| @Test |
| public void testApply() throws ExecutionException |
| { |
| EasyMock.expect(lookupCache.get(EasyMock.eq("key"), EasyMock.anyObject(Callable.class))).andReturn("value").once(); |
| EasyMock.replay(lookupCache); |
| Assert.assertEquals(ImmutableMap.of("key", "value"), loadingLookup.applyAll(ImmutableSet.of("key"))); |
| EasyMock.verify(lookupCache); |
| } |
| |
| @Test |
| public void testUnapplyAll() throws ExecutionException |
| { |
| EasyMock.expect(reverseLookupCache.get(EasyMock.eq("value"), EasyMock.anyObject(Callable.class))) |
| .andReturn(Collections.singletonList("key")) |
| .once(); |
| EasyMock.replay(reverseLookupCache); |
| Assert.assertEquals(ImmutableMap.of("value", Collections.singletonList("key")), loadingLookup.unapplyAll(ImmutableSet.of("value"))); |
| EasyMock.verify(reverseLookupCache); |
| } |
| |
| @Test |
| public void testClose() |
| { |
| lookupCache.close(); |
| reverseLookupCache.close(); |
| EasyMock.replay(lookupCache, reverseLookupCache); |
| loadingLookup.close(); |
| EasyMock.verify(lookupCache, reverseLookupCache); |
| } |
| |
| @Test |
| public void testApplyWithExecutionError() throws ExecutionException |
| { |
| EasyMock.expect(lookupCache.get(EasyMock.eq("key"), EasyMock.anyObject(Callable.class))) |
| .andThrow(new ExecutionException(null)) |
| .once(); |
| EasyMock.replay(lookupCache); |
| Assert.assertNull(loadingLookup.apply("key")); |
| EasyMock.verify(lookupCache); |
| } |
| |
| @Test |
| public void testUnApplyWithExecutionError() throws ExecutionException |
| { |
| EasyMock.expect(reverseLookupCache.get(EasyMock.eq("value"), EasyMock.anyObject(Callable.class))) |
| .andThrow(new ExecutionException(null)) |
| .once(); |
| EasyMock.replay(reverseLookupCache); |
| Assert.assertEquals(Collections.emptyList(), loadingLookup.unapply("value")); |
| EasyMock.verify(reverseLookupCache); |
| } |
| |
| @Test |
| public void testGetCacheKey() |
| { |
| Assert.assertFalse(Arrays.equals(loadingLookup.getCacheKey(), loadingLookup.getCacheKey())); |
| } |
| } |