| /* |
| * 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.slider.server.appmaster.model.history |
| |
| import groovy.util.logging.Slf4j |
| import org.apache.hadoop.fs.Path |
| import org.apache.slider.common.SliderKeys |
| import org.apache.slider.server.appmaster.model.mock.BaseMockAppStateTest |
| import org.apache.slider.server.appmaster.model.mock.MockFactory |
| import org.apache.slider.server.appmaster.state.NodeEntry |
| import org.apache.slider.server.appmaster.state.NodeInstance |
| import org.apache.slider.server.appmaster.state.RoleHistory |
| import org.apache.slider.server.avro.NewerFilesFirst |
| import org.apache.slider.server.avro.RoleHistoryWriter |
| import org.junit.Test |
| |
| import java.util.regex.Matcher |
| import java.util.regex.Pattern |
| |
| @Slf4j |
| class TestRoleHistoryRWOrdering extends BaseMockAppStateTest { |
| |
| def paths = pathlist( |
| [ |
| "hdfs://localhost/history-0406c.json", |
| "hdfs://localhost/history-5fffa.json", |
| "hdfs://localhost/history-0001a.json", |
| "hdfs://localhost/history-0001f.json", |
| ] |
| ) |
| Path h_0406c = paths[0] |
| Path h_5fffa = paths[1] |
| Path h_0001a = paths[3] |
| |
| |
| List<Path> pathlist(List<String> pathnames) { |
| def result = [] |
| pathnames.each { result << new Path(new URI(it as String)) } |
| result |
| } |
| |
| @Override |
| String getTestName() { |
| return "TestHistoryRWOrdering" |
| } |
| |
| |
| /** |
| * This tests regexp pattern matching. It uses the current time so isn't |
| * repeatable -but it does test a wider range of values in the process |
| * @throws Throwable |
| */ |
| @Test |
| public void testPatternRoundTrip() throws Throwable { |
| describe "test pattern matching of names" |
| long value=System.currentTimeMillis() |
| String name = String.format(SliderKeys.HISTORY_FILENAME_CREATION_PATTERN,value) |
| String matchpattern = SliderKeys.HISTORY_FILENAME_MATCH_PATTERN |
| Pattern pattern = Pattern.compile(matchpattern) |
| Matcher matcher = pattern.matcher(name); |
| if (!matcher.find()) { |
| throw new Exception("No match for pattern $matchpattern in $name") |
| } |
| } |
| |
| |
| @Test |
| public void testWriteSequenceReadData() throws Throwable { |
| describe "test that if multiple entries are written, the newest is picked up" |
| long time = System.currentTimeMillis(); |
| |
| RoleHistory roleHistory = new RoleHistory(MockFactory.ROLES) |
| assert !roleHistory.onStart(fs, historyPath) |
| String addr = "localhost" |
| NodeInstance instance = roleHistory.getOrCreateNodeInstance(addr) |
| NodeEntry ne1 = instance.getOrCreate(0) |
| ne1.lastUsed = 0xf00d |
| |
| Path history1 = roleHistory.saveHistory(time++) |
| Path history2 = roleHistory.saveHistory(time++) |
| Path history3 = roleHistory.saveHistory(time++) |
| |
| //inject a later file with a different name |
| sliderFileSystem.cat(new Path(historyPath, "file.json"), true, "hello, world") |
| |
| |
| RoleHistoryWriter historyWriter = new RoleHistoryWriter(); |
| |
| List<Path> entries = historyWriter.findAllHistoryEntries( |
| fs, |
| historyPath, |
| false) |
| assert entries.size() == 3 |
| assert entries[0] == history3 |
| assert entries[1] == history2 |
| assert entries[2] == history1 |
| } |
| |
| @Test |
| public void testPathStructure() throws Throwable { |
| assert h_5fffa.getName() == "history-5fffa.json" |
| } |
| |
| @Test |
| public void testPathnameComparator() throws Throwable { |
| |
| def newerName = new NewerFilesFirst() |
| |
| log.info("$h_5fffa name is ${h_5fffa.getName()}") |
| log.info("$h_0406c name is ${h_0406c.getName()}") |
| assert newerName.compare(h_5fffa, h_5fffa) == 0 |
| assert newerName.compare(h_5fffa, h_0406c) < 0 |
| assert newerName.compare(h_5fffa, h_0001a) < 0 |
| assert newerName.compare(h_0001a, h_5fffa) > 0 |
| |
| } |
| |
| @Test |
| public void testPathSort() throws Throwable { |
| def paths2 = new ArrayList(paths) |
| RoleHistoryWriter.sortHistoryPaths(paths2) |
| assertListEquals(paths2, |
| [ |
| paths[1], |
| paths[0], |
| paths[3], |
| paths[2] |
| ]) |
| } |
| } |