| /* |
| * 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.io.common; |
| |
| import static org.apache.beam.sdk.io.common.IOITHelper.getHashForRecordCount; |
| |
| import java.io.IOException; |
| import java.util.Collections; |
| import java.util.Date; |
| import java.util.HashSet; |
| import java.util.Map; |
| import java.util.Set; |
| import org.apache.beam.sdk.io.FileSystems; |
| import org.apache.beam.sdk.io.fs.MatchResult; |
| import org.apache.beam.sdk.io.fs.ResourceId; |
| import org.apache.beam.sdk.transforms.DoFn; |
| import org.apache.beam.vendor.guava.v20_0.com.google.common.collect.ImmutableMap; |
| import org.apache.beam.vendor.guava.v20_0.com.google.common.collect.Iterables; |
| |
| /** Contains helper methods for file based IO Integration tests. */ |
| public class FileBasedIOITHelper { |
| |
| private FileBasedIOITHelper() {} |
| |
| public static FileBasedIOTestPipelineOptions readFileBasedIOITPipelineOptions() { |
| return IOITHelper.readIOTestPipelineOptions(FileBasedIOTestPipelineOptions.class); |
| } |
| |
| public static String appendTimestampSuffix(String text) { |
| return String.format("%s_%s", text, new Date().getTime()); |
| } |
| |
| public static String getExpectedHashForLineCount(int lineCount) { |
| Map<Integer, String> expectedHashes = |
| ImmutableMap.of( |
| 1000, "8604c70b43405ef9803cb49b77235ea2", |
| 100_000, "4c8bb3b99dcc59459b20fefba400d446", |
| 1_000_000, "9796db06e7a7960f974d5a91164afff1", |
| 100_000_000, "6ce05f456e2fdc846ded2abd0ec1de95"); |
| |
| return getHashForRecordCount(lineCount, expectedHashes); |
| } |
| |
| /** Constructs text lines in files used for testing. */ |
| public static class DeterministicallyConstructTestTextLineFn extends DoFn<Long, String> { |
| |
| @ProcessElement |
| public void processElement(ProcessContext c) { |
| c.output(String.format("IO IT Test line of text. Line seed: %s", c.element())); |
| } |
| } |
| |
| /** Deletes matching files using the FileSystems API. */ |
| public static class DeleteFileFn extends DoFn<String, Void> { |
| |
| @ProcessElement |
| public void processElement(ProcessContext c) throws IOException { |
| MatchResult match = |
| Iterables.getOnlyElement(FileSystems.match(Collections.singletonList(c.element()))); |
| |
| Set<ResourceId> resourceIds = new HashSet<>(); |
| for (MatchResult.Metadata metadataElem : match.metadata()) { |
| resourceIds.add(metadataElem.resourceId()); |
| } |
| |
| FileSystems.delete(resourceIds); |
| } |
| } |
| } |