| /* |
| * 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.query.extraction; |
| |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.ImmutableMap; |
| import com.google.common.collect.Sets; |
| import org.apache.druid.common.config.NullHandling; |
| import org.junit.Assert; |
| import org.junit.BeforeClass; |
| import org.junit.Test; |
| |
| import java.util.Arrays; |
| import java.util.Collections; |
| import java.util.HashSet; |
| import java.util.Map; |
| |
| |
| public class MapLookupExtractorTest |
| { |
| private final Map<String, String> lookupMap = |
| ImmutableMap.of("foo", "bar", "null", "", "empty String", "", "", "empty_string"); |
| private final MapLookupExtractor fn = new MapLookupExtractor(lookupMap, false); |
| |
| @BeforeClass |
| public static void setUpClass() |
| { |
| NullHandling.initializeForTests(); |
| } |
| |
| @Test |
| public void testUnApply() |
| { |
| Assert.assertEquals(Collections.singletonList("foo"), fn.unapply("bar")); |
| Assert.assertEquals(Sets.newHashSet("null", "empty String"), Sets.newHashSet(fn.unapply(""))); |
| if (NullHandling.sqlCompatible()) { |
| Assert.assertEquals( |
| "Null value should be equal to empty list", |
| new HashSet<>(), |
| Sets.newHashSet(fn.unapply((String) null)) |
| ); |
| } else { |
| Assert.assertEquals( |
| "Null value should be equal to empty string", |
| Sets.newHashSet("null", "empty String"), |
| Sets.newHashSet(fn.unapply((String) null)) |
| ); |
| } |
| Assert.assertEquals(Sets.newHashSet(""), Sets.newHashSet(fn.unapply("empty_string"))); |
| Assert.assertEquals("not existing value returns empty list", Collections.emptyList(), fn.unapply("not There")); |
| } |
| |
| @Test |
| public void testGetMap() |
| { |
| Assert.assertEquals(lookupMap, fn.getMap()); |
| } |
| |
| @Test |
| public void testApply() |
| { |
| Assert.assertEquals("bar", fn.apply("foo")); |
| } |
| |
| @Test |
| public void testGetCacheKey() |
| { |
| final MapLookupExtractor fn2 = new MapLookupExtractor(ImmutableMap.copyOf(lookupMap), false); |
| Assert.assertArrayEquals(fn.getCacheKey(), fn2.getCacheKey()); |
| final MapLookupExtractor fn3 = new MapLookupExtractor(ImmutableMap.of("foo2", "bar"), false); |
| Assert.assertFalse(Arrays.equals(fn.getCacheKey(), fn3.getCacheKey())); |
| final MapLookupExtractor fn4 = new MapLookupExtractor(ImmutableMap.of("foo", "bar2"), false); |
| Assert.assertFalse(Arrays.equals(fn.getCacheKey(), fn4.getCacheKey())); |
| } |
| |
| @Test |
| public void testCanIterate() |
| { |
| Assert.assertTrue(fn.canIterate()); |
| } |
| |
| @Test |
| public void testIterable() |
| { |
| Assert.assertEquals( |
| ImmutableList.copyOf(lookupMap.entrySet()), |
| ImmutableList.copyOf(fn.iterable()) |
| ); |
| } |
| |
| @Test |
| public void testEquals() |
| { |
| final MapLookupExtractor fn2 = new MapLookupExtractor(ImmutableMap.copyOf(lookupMap), false); |
| Assert.assertEquals(fn, fn2); |
| final MapLookupExtractor fn3 = new MapLookupExtractor(ImmutableMap.of("foo2", "bar"), false); |
| Assert.assertNotEquals(fn, fn3); |
| final MapLookupExtractor fn4 = new MapLookupExtractor(ImmutableMap.of("foo", "bar2"), false); |
| Assert.assertNotEquals(fn, fn4); |
| } |
| |
| @Test |
| public void testHashCode() |
| { |
| final MapLookupExtractor fn2 = new MapLookupExtractor(ImmutableMap.copyOf(lookupMap), false); |
| Assert.assertEquals(fn.hashCode(), fn2.hashCode()); |
| final MapLookupExtractor fn3 = new MapLookupExtractor(ImmutableMap.of("foo2", "bar"), false); |
| Assert.assertNotEquals(fn.hashCode(), fn3.hashCode()); |
| final MapLookupExtractor fn4 = new MapLookupExtractor(ImmutableMap.of("foo", "bar2"), false); |
| Assert.assertNotEquals(fn.hashCode(), fn4.hashCode()); |
| } |
| } |