Repository: hive Updated Branches: refs/heads/master c1f3d9a48 -> f4a12a561
http://git-wip-us.apache.org/repos/asf/hive/blob/f4a12a56/storage-api/src/test/org/apache/hadoop/hive/common/TestValidReadTxnList.java ---------------------------------------------------------------------- diff --git a/storage-api/src/test/org/apache/hadoop/hive/common/TestValidReadTxnList.java b/storage-api/src/test/org/apache/hadoop/hive/common/TestValidReadTxnList.java new file mode 100644 index 0000000..00ee820 --- /dev/null +++ b/storage-api/src/test/org/apache/hadoop/hive/common/TestValidReadTxnList.java @@ -0,0 +1,109 @@ +/** + * 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.hadoop.hive.common; + +import junit.framework.Assert; +import org.apache.hadoop.conf.Configuration; +import org.junit.Test; + +import java.io.DataInputStream; +import java.io.DataOutputStream; +import java.io.File; +import java.io.FileInputStream; +import java.io.FileOutputStream; +import java.util.BitSet; + +/** + * Tests for {@link ValidReadTxnList} + */ +public class TestValidReadTxnList { + + @Test + public void noExceptions() throws Exception { + ValidTxnList txnList = new ValidReadTxnList(new long[0], new BitSet(), 1, Long.MAX_VALUE); + String str = txnList.writeToString(); + Assert.assertEquals("1:" + Long.MAX_VALUE + "::", str); + ValidTxnList newList = new ValidReadTxnList(); + newList.readFromString(str); + Assert.assertTrue(newList.isTxnValid(1)); + Assert.assertFalse(newList.isTxnValid(2)); + } + + @Test + public void exceptions() throws Exception { + ValidTxnList txnList = new ValidReadTxnList(new long[]{2L,4L}, new BitSet(), 5, 4L); + String str = txnList.writeToString(); + Assert.assertEquals("5:4:2,4:", str); + ValidTxnList newList = new ValidReadTxnList(); + newList.readFromString(str); + Assert.assertTrue(newList.isTxnValid(1)); + Assert.assertFalse(newList.isTxnValid(2)); + Assert.assertTrue(newList.isTxnValid(3)); + Assert.assertFalse(newList.isTxnValid(4)); + Assert.assertTrue(newList.isTxnValid(5)); + Assert.assertFalse(newList.isTxnValid(6)); + } + + @Test + public void longEnoughToCompress() throws Exception { + long[] exceptions = new long[1000]; + for (int i = 0; i < 1000; i++) exceptions[i] = i + 100; + ValidTxnList txnList = new ValidReadTxnList(exceptions, new BitSet(), 2000, 900); + String str = txnList.writeToString(); + ValidTxnList newList = new ValidReadTxnList(); + newList.readFromString(str); + for (int i = 0; i < 100; i++) Assert.assertTrue(newList.isTxnValid(i)); + for (int i = 100; i < 1100; i++) Assert.assertFalse(newList.isTxnValid(i)); + for (int i = 1100; i < 2001; i++) Assert.assertTrue(newList.isTxnValid(i)); + Assert.assertFalse(newList.isTxnValid(2001)); + } + + @Test + public void readWriteConfig() throws Exception { + long[] exceptions = new long[1000]; + for (int i = 0; i < 1000; i++) exceptions[i] = i + 100; + ValidTxnList txnList = new ValidReadTxnList(exceptions, new BitSet(), 2000, 900); + String str = txnList.writeToString(); + Configuration conf = new Configuration(); + conf.set(ValidTxnList.VALID_TXNS_KEY, str); + File tmpFile = File.createTempFile("TestValidTxnImpl", "readWriteConfig"); + DataOutputStream out = new DataOutputStream(new FileOutputStream(tmpFile)); + conf.write(out); + out.close(); + DataInputStream in = new DataInputStream(new FileInputStream(tmpFile)); + Configuration newConf = new Configuration(); + newConf.readFields(in); + Assert.assertEquals(str, newConf.get(ValidTxnList.VALID_TXNS_KEY)); + } + + @Test + public void testAbortedTxn() throws Exception { + long[] exceptions = {2L, 4L, 6L, 8L, 10L}; + BitSet bitSet = new BitSet(exceptions.length); + bitSet.set(0); // mark txn "2L" aborted + bitSet.set(3); // mark txn "8L" aborted + ValidTxnList txnList = new ValidReadTxnList(exceptions, bitSet, 11, 4L); + String str = txnList.writeToString(); + Assert.assertEquals("11:4:4,6,10:2,8", str); + Assert.assertTrue(txnList.isTxnAborted(2L)); + Assert.assertFalse(txnList.isTxnAborted(4L)); + Assert.assertFalse(txnList.isTxnAborted(6L)); + Assert.assertTrue(txnList.isTxnAborted(8L)); + Assert.assertFalse(txnList.isTxnAborted(10L)); + } +}
