| /* |
| * 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.delta.filter; |
| |
| import io.delta.kernel.expressions.Or; |
| import io.delta.kernel.expressions.Predicate; |
| import io.delta.kernel.types.LongType; |
| import io.delta.kernel.types.StringType; |
| import io.delta.kernel.types.StructField; |
| import io.delta.kernel.types.StructType; |
| import org.apache.druid.error.DruidException; |
| import org.apache.druid.error.DruidExceptionMatcher; |
| import org.apache.druid.java.util.common.StringUtils; |
| import org.hamcrest.MatcherAssert; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| import java.util.Arrays; |
| import java.util.Collections; |
| |
| public class DeltaOrFilterTest |
| { |
| private static final StructType SCHEMA = new StructType() |
| .add(new StructField("name", StringType.STRING, true)) |
| .add(new StructField("age", LongType.LONG, false)) |
| .add(new StructField("bar", StringType.STRING, true)); |
| |
| @Test |
| public void testOrFilter() |
| { |
| DeltaOrFilter orFilter = new DeltaOrFilter( |
| Arrays.asList( |
| new DeltaEqualsFilter("name", "Employee1"), |
| new DeltaLessThanOrEqualsFilter("age", "8") |
| ) |
| ); |
| |
| Predicate predicate = orFilter.getFilterPredicate(SCHEMA); |
| |
| Assert.assertTrue(predicate instanceof Or); |
| Assert.assertEquals(2, predicate.getChildren().size()); |
| } |
| |
| @Test |
| public void testOrFilterWithInvalidColumn() |
| { |
| DeltaOrFilter orFilter = new DeltaOrFilter( |
| Arrays.asList( |
| new DeltaEqualsFilter("name2", "Employee1"), |
| new DeltaLessThanOrEqualsFilter("age", "8") |
| ) |
| ); |
| |
| MatcherAssert.assertThat( |
| Assert.assertThrows(DruidException.class, () -> orFilter.getFilterPredicate(SCHEMA)), |
| DruidExceptionMatcher.invalidInput().expectMessageIs( |
| StringUtils.format("column[name2] doesn't exist in schema[%s]", SCHEMA) |
| ) |
| ); |
| } |
| |
| @Test |
| public void testOrFilterWithNoFilterPredicates() |
| { |
| MatcherAssert.assertThat( |
| Assert.assertThrows( |
| DruidException.class, |
| () -> new DeltaOrFilter(null) |
| ), |
| DruidExceptionMatcher.invalidInput().expectMessageIs( |
| "Delta or filter requires 2 filter predicates and must be non-empty. None provided." |
| ) |
| ); |
| } |
| |
| @Test |
| public void testOrFilterWithOneFilterPredicate() |
| { |
| MatcherAssert.assertThat( |
| Assert.assertThrows( |
| DruidException.class, |
| () -> new DeltaOrFilter( |
| Collections.singletonList( |
| new DeltaEqualsFilter("name", "Employee1") |
| ) |
| ) |
| ), |
| DruidExceptionMatcher.invalidInput().expectMessageIs( |
| "Delta or filter requires 2 filter predicates, but provided [1]." |
| ) |
| ); |
| } |
| } |