| /** |
| * 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.storm; |
| |
| import java.io.File; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.util.HashMap; |
| import java.util.Map; |
| import org.apache.commons.io.FileUtils; |
| import org.apache.storm.generated.GlobalStreamId; |
| import org.apache.storm.testing.TmpPath; |
| import org.apache.storm.utils.LocalState; |
| import org.junit.Assert; |
| import org.junit.Test; |
| |
| public class LocalStateTest { |
| |
| @Test |
| public void testLocalState() throws Exception { |
| try (TmpPath dir1_tmp = new TmpPath(); TmpPath dir2_tmp = new TmpPath()) { |
| GlobalStreamId globalStreamId_a = new GlobalStreamId("a", "a"); |
| GlobalStreamId globalStreamId_b = new GlobalStreamId("b", "b"); |
| GlobalStreamId globalStreamId_c = new GlobalStreamId("c", "c"); |
| GlobalStreamId globalStreamId_d = new GlobalStreamId("d", "d"); |
| |
| LocalState ls1 = new LocalState(dir1_tmp.getPath(), true); |
| LocalState ls2 = new LocalState(dir2_tmp.getPath(), true); |
| Assert.assertTrue(ls1.snapshot().isEmpty()); |
| |
| ls1.put("a", globalStreamId_a); |
| ls1.put("b", globalStreamId_b); |
| Map<String, GlobalStreamId> expected = new HashMap<>(); |
| expected.put("a", globalStreamId_a); |
| expected.put("b", globalStreamId_b); |
| Assert.assertEquals(expected, ls1.snapshot()); |
| Assert.assertEquals(expected, new LocalState(dir1_tmp.getPath(), true).snapshot()); |
| |
| Assert.assertTrue(ls2.snapshot().isEmpty()); |
| ls2.put("b", globalStreamId_a); |
| ls2.put("b", globalStreamId_b); |
| ls2.put("b", globalStreamId_c); |
| ls2.put("b", globalStreamId_d); |
| Assert.assertEquals(globalStreamId_d, ls2.get("b")); |
| } |
| } |
| |
| @Test |
| public void testEmptyState() throws IOException { |
| try (TmpPath tmp_dir = new TmpPath()) { |
| GlobalStreamId globalStreamId_a = new GlobalStreamId("a", "a"); |
| |
| String dir = tmp_dir.getPath(); |
| LocalState ls = new LocalState(dir, true); |
| |
| FileUtils.touch(new File(dir, "12345")); |
| FileUtils.touch(new File(dir, "12345.version")); |
| |
| Assert.assertNull(ls.get("c")); |
| ls.put("a", globalStreamId_a); |
| Assert.assertEquals(globalStreamId_a, ls.get("a")); |
| } |
| } |
| |
| @Test |
| public void testAllNulState() throws IOException { |
| try (TmpPath tmp_dir = new TmpPath()) { |
| GlobalStreamId globalStreamId_a = new GlobalStreamId("a", "a"); |
| |
| String dir = tmp_dir.getPath(); |
| LocalState ls = new LocalState(dir, true); |
| |
| FileUtils.touch(new File(dir, "12345.version")); |
| |
| try (FileOutputStream data = FileUtils.openOutputStream(new File(dir, "12345"))) { |
| Assert.assertNull(ls.get("c")); |
| data.write(new byte[100]); |
| ls.put("a", globalStreamId_a); |
| Assert.assertEquals(globalStreamId_a, ls.get("a")); |
| } |
| } |
| } |
| } |