| /* |
| * 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.utils; |
| |
| import static org.junit.Assert.assertEquals; |
| import static org.junit.Assert.assertNotNull; |
| |
| import com.google.common.collect.Iterables; |
| import org.apache.beam.sdk.transforms.SerializableFunction; |
| import org.apache.beam.sdk.values.Row; |
| |
| /** Contain helpers to assert {@link Row}s. */ |
| public class RowAsserts { |
| |
| /** Asserts result contains single row with an int field. */ |
| public static SerializableFunction<Iterable<Row>, Void> matchesScalar(int expected) { |
| return records -> { |
| Row row = Iterables.getOnlyElement(records); |
| assertNotNull(row); |
| assertEquals(expected, (int) row.getInt32(0)); |
| return null; |
| }; |
| } |
| |
| /** Asserts result contains single row with an long field. */ |
| public static SerializableFunction<Iterable<Row>, Void> matchesScalar(long expected) { |
| return records -> { |
| Row row = Iterables.getOnlyElement(records); |
| assertNotNull(row); |
| assertEquals(expected, (long) row.getInt64(0)); |
| return null; |
| }; |
| } |
| |
| /** Asserts result contains single row with a double field. */ |
| public static SerializableFunction<Iterable<Row>, Void> matchesScalar( |
| double expected, double delta) { |
| |
| return input -> { |
| Row row = Iterables.getOnlyElement(input); |
| assertNotNull(row); |
| assertEquals(expected, row.getDouble(0), delta); |
| return null; |
| }; |
| } |
| |
| public static SerializableFunction<Iterable<Row>, Void> matchesScalar( |
| float expected, float delta) { |
| |
| return input -> { |
| Row row = Iterables.getOnlyElement(input); |
| assertNotNull(row); |
| assertEquals(expected, row.getFloat(0), delta); |
| return null; |
| }; |
| } |
| } |