| /* |
| * 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.beam.sdk.extensions.sql.impl.utils; |
| |
| import static org.apache.beam.sdk.extensions.sql.impl.utils.SqlTypeUtils.findExpressionOfType; |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertFalse; |
| import static org.junit.Assert.assertTrue; |
| |
| import com.google.common.base.Optional; |
| import java.math.BigDecimal; |
| import java.util.Arrays; |
| import java.util.List; |
| import org.apache.beam.sdk.extensions.sql.impl.interpreter.operator.BeamSqlExpression; |
| import org.apache.beam.sdk.extensions.sql.impl.interpreter.operator.BeamSqlPrimitive; |
| import org.apache.calcite.sql.type.SqlTypeName; |
| import org.junit.Test; |
| |
| /** Tests for {@link SqlTypeUtils}. */ |
| public class SqlTypeUtilsTest { |
| private static final BigDecimal DECIMAL_THREE = new BigDecimal(3); |
| private static final BigDecimal DECIMAL_FOUR = new BigDecimal(4); |
| |
| private static final List<BeamSqlExpression> EXPRESSIONS = |
| Arrays.asList( |
| BeamSqlPrimitive.of(SqlTypeName.INTERVAL_DAY, DECIMAL_THREE), |
| BeamSqlPrimitive.of(SqlTypeName.INTERVAL_MONTH, DECIMAL_FOUR), |
| BeamSqlPrimitive.of(SqlTypeName.INTEGER, 4), |
| BeamSqlPrimitive.of(SqlTypeName.INTEGER, 5)); |
| |
| @Test |
| public void testFindExpressionOfType_success() { |
| Optional<BeamSqlExpression> typeName = findExpressionOfType(EXPRESSIONS, SqlTypeName.INTEGER); |
| |
| assertTrue(typeName.isPresent()); |
| assertEquals(SqlTypeName.INTEGER, typeName.get().getOutputType()); |
| } |
| |
| @Test |
| public void testFindExpressionOfType_failure() { |
| Optional<BeamSqlExpression> typeName = findExpressionOfType(EXPRESSIONS, SqlTypeName.VARCHAR); |
| |
| assertFalse(typeName.isPresent()); |
| } |
| |
| @Test |
| public void testFindExpressionOfTypes_success() { |
| Optional<BeamSqlExpression> typeName = findExpressionOfType(EXPRESSIONS, SqlTypeName.INT_TYPES); |
| |
| assertTrue(typeName.isPresent()); |
| assertEquals(SqlTypeName.INTEGER, typeName.get().getOutputType()); |
| } |
| |
| @Test |
| public void testFindExpressionOfTypes_failure() { |
| Optional<BeamSqlExpression> typeName = |
| findExpressionOfType(EXPRESSIONS, SqlTypeName.CHAR_TYPES); |
| |
| assertFalse(typeName.isPresent()); |
| } |
| } |