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From jun...@apache.org
Subject svn commit: r887574 - in /incubator/cassandra/trunk/test/unit/org/apache/cassandra: db/ColumnFamilyStoreTest.java db/ColumnFamilyStoreUtils.java io/SSTableTest.java io/SSTableUtils.java
Date Sat, 05 Dec 2009 18:46:52 GMT
Author: junrao
Date: Sat Dec  5 18:46:52 2009
New Revision: 887574

URL: http://svn.apache.org/viewvc?rev=887574&view=rev
Log:
preparation for AntiEntropyService; patched by Stu Hood, reviewed by junrao for CASSANDRA-193

Added:
    incubator/cassandra/trunk/test/unit/org/apache/cassandra/db/ColumnFamilyStoreUtils.java
    incubator/cassandra/trunk/test/unit/org/apache/cassandra/io/SSTableUtils.java
Modified:
    incubator/cassandra/trunk/test/unit/org/apache/cassandra/db/ColumnFamilyStoreTest.java
    incubator/cassandra/trunk/test/unit/org/apache/cassandra/io/SSTableTest.java

Modified: incubator/cassandra/trunk/test/unit/org/apache/cassandra/db/ColumnFamilyStoreTest.java
URL: http://svn.apache.org/viewvc/incubator/cassandra/trunk/test/unit/org/apache/cassandra/db/ColumnFamilyStoreTest.java?rev=887574&r1=887573&r2=887574&view=diff
==============================================================================
--- incubator/cassandra/trunk/test/unit/org/apache/cassandra/db/ColumnFamilyStoreTest.java
(original)
+++ incubator/cassandra/trunk/test/unit/org/apache/cassandra/db/ColumnFamilyStoreTest.java
Sat Dec  5 18:46:52 2009
@@ -57,17 +57,15 @@
     @Test
     public void testGetColumnWithWrongBF() throws IOException, ExecutionException, InterruptedException
     {
-        Table table = Table.open("Keyspace1");
-        ColumnFamilyStore store = table.getColumnFamilyStore("Standard1");
+        List<RowMutation> rms = new LinkedList<RowMutation>();
         RowMutation rm;
-
-        // add data
         rm = new RowMutation("Keyspace1", "key1");
         rm.add(new QueryPath("Standard1", null, "Column1".getBytes()), "asdf".getBytes(),
0);
         rm.add(new QueryPath("Standard1", null, "Column2".getBytes()), "asdf".getBytes(),
0);
-        rm.apply();
-        store.forceBlockingFlush();
+        rms.add(rm);
+        ColumnFamilyStore store = ColumnFamilyStoreUtils.writeColumnFamily(rms);
 
+        Table table = Table.open("Keyspace1");
         List<SSTableReader> ssTables = table.getAllSSTablesOnDisk();
         assertEquals(1, ssTables.size());
         ssTables.get(0).forceBloomFilterFailures();
@@ -106,18 +104,16 @@
      */
     private void testAntiCompaction(String columnFamilyName, int insertsPerTable) throws
IOException, ExecutionException, InterruptedException
     {
-        Table table = Table.open("Keyspace1");
-        ColumnFamilyStore store = table.getColumnFamilyStore(columnFamilyName);
-
+        List<RowMutation> rms = new ArrayList<RowMutation>();
         for (int j = 0; j < insertsPerTable; j++)
         {
             String key = String.valueOf(j);
             RowMutation rm = new RowMutation("Keyspace1", key);
             rm.add(new QueryPath(columnFamilyName, null, "0".getBytes()), new byte[0], j);
-            rm.apply();
+            rms.add(rm);
         }
+        ColumnFamilyStore store = ColumnFamilyStoreUtils.writeColumnFamily(rms);
 
-        store.forceBlockingFlush();
         List<Range> ranges  = new ArrayList<Range>();
         IPartitioner partitioner = new CollatingOrderPreservingPartitioner();
         Range r = new Range(partitioner.getToken("0"), partitioner.getToken("zzzzzzz"));

Added: incubator/cassandra/trunk/test/unit/org/apache/cassandra/db/ColumnFamilyStoreUtils.java
URL: http://svn.apache.org/viewvc/incubator/cassandra/trunk/test/unit/org/apache/cassandra/db/ColumnFamilyStoreUtils.java?rev=887574&view=auto
==============================================================================
--- incubator/cassandra/trunk/test/unit/org/apache/cassandra/db/ColumnFamilyStoreUtils.java
(added)
+++ incubator/cassandra/trunk/test/unit/org/apache/cassandra/db/ColumnFamilyStoreUtils.java
Sat Dec  5 18:46:52 2009
@@ -0,0 +1,48 @@
+/*
+* 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.cassandra.db;
+
+import java.io.IOException;
+import java.util.List;
+import java.util.concurrent.ExecutionException;
+
+public class ColumnFamilyStoreUtils
+{
+    /**
+     * Writes out a bunch of rows for a single column family.
+     *
+     * @param rows A group of RowMutations for the same table and column family.
+     * @return The ColumnFamilyStore that was used.
+     */
+    public static ColumnFamilyStore writeColumnFamily(List<RowMutation> rms) throws
IOException, ExecutionException, InterruptedException
+    {
+        RowMutation first = rms.get(0);
+        String tablename = first.getTable();
+        String cfname = first.columnFamilyNames().iterator().next();
+
+        Table table = Table.open(tablename);
+        ColumnFamilyStore store = table.getColumnFamilyStore(cfname);
+
+        for (RowMutation rm : rms)
+            rm.apply();
+
+        store.forceBlockingFlush();
+        return store;
+    }
+}

Modified: incubator/cassandra/trunk/test/unit/org/apache/cassandra/io/SSTableTest.java
URL: http://svn.apache.org/viewvc/incubator/cassandra/trunk/test/unit/org/apache/cassandra/io/SSTableTest.java?rev=887574&r1=887573&r2=887574&view=diff
==============================================================================
--- incubator/cassandra/trunk/test/unit/org/apache/cassandra/io/SSTableTest.java (original)
+++ incubator/cassandra/trunk/test/unit/org/apache/cassandra/io/SSTableTest.java Sat Dec 
5 18:46:52 2009
@@ -23,26 +23,28 @@
 import java.util.*;
 
 import org.junit.Test;
+import static org.junit.Assert.*;
 
 import org.apache.cassandra.CleanupHelper;
 import org.apache.cassandra.db.DecoratedKey;
 import org.apache.cassandra.dht.OrderPreservingPartitioner;
 
+import com.google.common.base.Predicate;
+import com.google.common.base.Predicates;
+
 public class SSTableTest extends CleanupHelper
 {
     @Test
     public void testSingleWrite() throws IOException {
-        File f = tempSSTableFileName();
-
         // write test data
-        SSTableWriter writer = new SSTableWriter(f.getAbsolutePath(), 1, new OrderPreservingPartitioner());
-        Random random = new Random();
+        String key = Integer.toString(1);
         byte[] bytes = new byte[1024];
-        random.nextBytes(bytes);
+        new Random().nextBytes(bytes);
 
-        String key = Integer.toString(1);
-        writer.append(writer.partitioner.decorateKey(key), bytes);
-        SSTableReader ssTable = writer.closeAndOpenReader(0.01);
+        TreeMap<String, byte[]> map = new TreeMap<String,byte[]>();
+        map.put(key, bytes);
+        SSTableReader ssTable = SSTableUtils.writeSSTable("singlewrite", map, 1,
+                                                          new OrderPreservingPartitioner(),
0.01);
 
         // verify
         verifySingle(ssTable, bytes, key);
@@ -50,11 +52,6 @@
         verifySingle(ssTable, bytes, key);
     }
 
-    private File tempSSTableFileName() throws IOException
-    {
-        return File.createTempFile("sstable", "-" + SSTable.TEMPFILE_MARKER + "-Data.db");
-    }
-
     private void verifySingle(SSTableReader sstable, byte[] bytes, String key) throws IOException
     {
         BufferedRandomAccessFile file = new BufferedRandomAccessFile(sstable.path, "r");
@@ -68,8 +65,6 @@
 
     @Test
     public void testManyWrites() throws IOException {
-        File f = tempSSTableFileName();
-
         TreeMap<String, byte[]> map = new TreeMap<String,byte[]>();
         for ( int i = 100; i < 1000; ++i )
         {
@@ -77,12 +72,8 @@
         }
 
         // write
-        SSTableWriter writer = new SSTableWriter(f.getAbsolutePath(), 1000, new OrderPreservingPartitioner());
-        for (String key: map.navigableKeySet())
-        {
-            writer.append(writer.partitioner.decorateKey(key), map.get(key));
-        }
-        SSTableReader ssTable = writer.closeAndOpenReader(0.01);
+        SSTableReader ssTable = SSTableUtils.writeSSTable("manywrites", map, 1000,
+                                                          new OrderPreservingPartitioner(),
0.01);
 
         // verify
         verifyMany(ssTable, map);
@@ -105,4 +96,36 @@
             assert Arrays.equals(bytes2, map.get(key));
         }
     }
+
+    @Test
+    public void testGetIndexedDecoratedKeysFor() throws IOException {
+        final String ssname = "indexedkeys";
+
+        int numkeys = 1000;
+        TreeMap<String, byte[]> map = new TreeMap<String,byte[]>();
+        for ( int i = 0; i < numkeys; i++ )
+        {
+            map.put(Integer.toString(i), "blah".getBytes());
+        }
+
+        // write
+        SSTableReader ssTable = SSTableUtils.writeSSTable(ssname, map, 1000,
+                                                          new OrderPreservingPartitioner(),
0.01);
+
+
+        // verify
+        Predicate<SSTable> cfpred;
+        Predicate<DecoratedKey> dkpred;
+
+        cfpred = new Predicate<SSTable>() {
+            public boolean apply(SSTable ss)
+            {
+                return ss.getColumnFamilyName().equals(ssname);
+            }
+            };
+        dkpred = Predicates.alwaysTrue();
+        int actual = SSTableReader.getIndexedDecoratedKeysFor(cfpred, dkpred).size();
+        assert 0 < actual;
+        assert actual <= Math.ceil((double)numkeys/SSTableReader.indexInterval());
+    }
 }

Added: incubator/cassandra/trunk/test/unit/org/apache/cassandra/io/SSTableUtils.java
URL: http://svn.apache.org/viewvc/incubator/cassandra/trunk/test/unit/org/apache/cassandra/io/SSTableUtils.java?rev=887574&view=auto
==============================================================================
--- incubator/cassandra/trunk/test/unit/org/apache/cassandra/io/SSTableUtils.java (added)
+++ incubator/cassandra/trunk/test/unit/org/apache/cassandra/io/SSTableUtils.java Sat Dec
 5 18:46:52 2009
@@ -0,0 +1,46 @@
+/*
+* 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.cassandra.io;
+
+import java.io.File;
+import java.io.IOException;
+
+import java.util.Map;
+import java.util.SortedMap;
+
+import org.apache.cassandra.dht.IPartitioner;
+
+public class SSTableUtils
+{
+    public static File tempSSTableFileName(String cfname) throws IOException
+    {
+        return File.createTempFile(cfname + "-", "-" + SSTable.TEMPFILE_MARKER + "-Data.db");
+    }
+
+    public static SSTableReader writeSSTable(String cfname, SortedMap<String, byte[]>
entries, int expectedKeys, IPartitioner partitioner, double cacheFraction) throws IOException
+    {
+        File f = tempSSTableFileName(cfname);
+        SSTableWriter writer = new SSTableWriter(f.getAbsolutePath(), expectedKeys, partitioner);
+        for (Map.Entry<String, byte[]> entry : entries.entrySet())
+        {
+            writer.append(writer.partitioner.decorateKey(entry.getKey()), entry.getValue());
+        }
+        return writer.closeAndOpenReader(cacheFraction);
+    }
+}



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