1 | /** |
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2 | * Licensed to the Apache Software Foundation (ASF) under one |
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3 | * or more contributor license agreements. See the NOTICE file |
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4 | * distributed with this work for additional information |
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5 | * regarding copyright ownership. The ASF licenses this file |
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6 | * to you under the Apache License, Version 2.0 (the |
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7 | * "License"); you may not use this file except in compliance |
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8 | * with the License. You may obtain a copy of the License at |
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9 | * |
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10 | * http://www.apache.org/licenses/LICENSE-2.0 |
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11 | * |
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12 | * Unless required by applicable law or agreed to in writing, software |
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13 | * distributed under the License is distributed on an "AS IS" BASIS, |
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14 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
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15 | * See the License for the specific language governing permissions and |
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16 | * limitations under the License. |
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17 | */ |
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18 | |
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19 | package org.apache.hadoop.io; |
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20 | |
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21 | import junit.framework.TestCase; |
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22 | |
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23 | import org.apache.hadoop.conf.Configuration; |
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24 | import org.apache.hadoop.fs.FileSystem; |
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25 | import org.apache.hadoop.fs.Path; |
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26 | import org.apache.hadoop.io.SequenceFile.Reader; |
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27 | import org.apache.hadoop.io.SequenceFile.Writer; |
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28 | |
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29 | public class TestSequenceFileSerialization extends TestCase { |
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30 | |
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31 | private Configuration conf; |
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32 | private FileSystem fs; |
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33 | |
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34 | @Override |
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35 | protected void setUp() throws Exception { |
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36 | conf = new Configuration(); |
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37 | conf.set("io.serializations", |
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38 | "org.apache.hadoop.io.serializer.JavaSerialization"); |
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39 | fs = FileSystem.getLocal(conf); |
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40 | } |
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41 | |
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42 | @Override |
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43 | protected void tearDown() throws Exception { |
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44 | fs.close(); |
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45 | } |
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46 | |
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47 | public void testJavaSerialization() throws Exception { |
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48 | Path file = new Path(System.getProperty("test.build.data",".") + |
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49 | "/test.seq"); |
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50 | |
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51 | fs.delete(file, true); |
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52 | Writer writer = SequenceFile.createWriter(fs, conf, file, Long.class, |
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53 | String.class); |
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54 | |
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55 | writer.append(1L, "one"); |
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56 | writer.append(2L, "two"); |
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57 | |
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58 | writer.close(); |
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59 | |
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60 | Reader reader = new Reader(fs, file, conf); |
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61 | assertEquals(1L, reader.next((Object) null)); |
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62 | assertEquals("one", reader.getCurrentValue((Object) null)); |
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63 | assertEquals(2L, reader.next((Object) null)); |
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64 | assertEquals("two", reader.getCurrentValue((Object) null)); |
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65 | assertNull(reader.next((Object) null)); |
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66 | reader.close(); |
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67 | |
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68 | } |
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69 | } |
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