| /* |
| * 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 |
| * |
| * https://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.trevni.avro; |
| |
| import java.io.File; |
| import java.io.EOFException; |
| import java.io.InputStream; |
| import java.io.FileInputStream; |
| import java.util.List; |
| import java.util.ArrayList; |
| |
| import org.apache.trevni.ColumnFileMetaData; |
| |
| import org.apache.avro.Schema; |
| import org.apache.avro.io.Decoder; |
| import org.apache.avro.io.DecoderFactory; |
| import org.apache.avro.io.DatumReader; |
| import org.apache.avro.generic.GenericDatumReader; |
| |
| import org.junit.Test; |
| import static org.junit.Assert.*; |
| |
| public class TestCases { |
| |
| private static final File DIR = new File("src/test/cases/"); |
| private static final File FILE = new File("target", "case.trv"); |
| |
| @Test |
| public void testCases() throws Exception { |
| for (File f : DIR.listFiles()) |
| if (f.isDirectory() && !f.getName().startsWith(".")) |
| runCase(f); |
| } |
| |
| private void runCase(File dir) throws Exception { |
| Schema schema = new Schema.Parser().parse(new File(dir, "input.avsc")); |
| List<Object> data = fromJson(schema, new File(dir, "input.json")); |
| |
| // write full data |
| AvroColumnWriter<Object> writer = new AvroColumnWriter<>(schema, new ColumnFileMetaData()); |
| for (Object datum : data) |
| writer.write(datum); |
| writer.writeTo(FILE); |
| |
| // test that the full schema reads correctly |
| checkRead(schema, data); |
| |
| // test that sub-schemas read correctly |
| for (File f : dir.listFiles()) |
| if (f.isDirectory() && !f.getName().startsWith(".")) { |
| Schema s = new Schema.Parser().parse(new File(f, "sub.avsc")); |
| checkRead(s, fromJson(s, new File(f, "sub.json"))); |
| } |
| } |
| |
| private void checkRead(Schema s, List<Object> data) throws Exception { |
| try (AvroColumnReader<Object> reader = new AvroColumnReader<>(new AvroColumnReader.Params(FILE).setSchema(s))) { |
| for (Object datum : data) |
| assertEquals(datum, reader.next()); |
| } |
| } |
| |
| private List<Object> fromJson(Schema schema, File file) throws Exception { |
| List<Object> data = new ArrayList<>(); |
| try (InputStream in = new FileInputStream(file)) { |
| DatumReader reader = new GenericDatumReader(schema); |
| Decoder decoder = DecoderFactory.get().jsonDecoder(schema, in); |
| while (true) |
| data.add(reader.read(null, decoder)); |
| } catch (EOFException e) { |
| } |
| return data; |
| } |
| |
| } |