| /* |
| * 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.runners.core.construction; |
| |
| import static org.hamcrest.Matchers.equalTo; |
| import static org.junit.Assert.assertThat; |
| |
| import org.apache.beam.model.pipeline.v1.SchemaApi; |
| import org.apache.beam.sdk.schemas.LogicalTypes; |
| import org.apache.beam.sdk.schemas.Schema; |
| import org.apache.beam.sdk.schemas.Schema.Field; |
| import org.apache.beam.sdk.schemas.Schema.FieldType; |
| import org.apache.beam.vendor.guava.v26_0_jre.com.google.common.collect.ImmutableList; |
| import org.junit.Test; |
| import org.junit.runner.RunWith; |
| import org.junit.runners.Parameterized; |
| import org.junit.runners.Parameterized.Parameter; |
| import org.junit.runners.Parameterized.Parameters; |
| |
| /** Tests for {@link SchemaTranslation}. */ |
| public class SchemaTranslationTest { |
| |
| /** Tests round-trip proto encodings for {@link Schema}. */ |
| @RunWith(Parameterized.class) |
| public static class ToFromProtoTest { |
| @Parameters(name = "{index}: {0}") |
| public static Iterable<Schema> data() { |
| return ImmutableList.<Schema>builder() |
| .add(Schema.of(Field.of("string", FieldType.STRING))) |
| .add( |
| Schema.of( |
| Field.of("boolean", FieldType.BOOLEAN), |
| Field.of("byte", FieldType.BYTE), |
| Field.of("int16", FieldType.INT16), |
| Field.of("int32", FieldType.INT32), |
| Field.of("int64", FieldType.INT64))) |
| .add( |
| Schema.of( |
| Field.of( |
| "row", |
| FieldType.row( |
| Schema.of( |
| Field.of("foo", FieldType.STRING), |
| Field.of("bar", FieldType.DOUBLE), |
| Field.of("baz", FieldType.BOOLEAN)))))) |
| .add( |
| Schema.of( |
| Field.of( |
| "array(array(int64)))", |
| FieldType.array(FieldType.array(FieldType.INT64.withNullable(true)))))) |
| .add( |
| Schema.of( |
| Field.of( |
| "iter(iter(int64)))", |
| FieldType.iterable(FieldType.iterable(FieldType.INT64.withNullable(true)))))) |
| .add( |
| Schema.of( |
| Field.of("nullable", FieldType.STRING.withNullable(true)), |
| Field.of("non_nullable", FieldType.STRING.withNullable(false)))) |
| .add( |
| Schema.of( |
| Field.of("decimal", FieldType.DECIMAL), Field.of("datetime", FieldType.DATETIME))) |
| .add( |
| Schema.of(Field.of("logical", FieldType.logicalType(LogicalTypes.FixedBytes.of(24))))) |
| .build(); |
| } |
| |
| @Parameter(0) |
| public Schema schema; |
| |
| @Test |
| public void toAndFromProto() throws Exception { |
| SchemaApi.Schema schemaProto = SchemaTranslation.schemaToProto(schema); |
| |
| Schema decodedSchema = SchemaTranslation.fromProto(schemaProto); |
| assertThat(decodedSchema, equalTo(schema)); |
| } |
| } |
| } |