SOLR-2570: randomize more indexConfig settings in tests

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1510637 13f79535-47bb-0310-9956-ffa450edef68

solr/core/src/test-files/solr/collection1/conf/solrconfig.snippet.randomindexconfig.xml

@@ -22,6 +22,18 @@ A solrconfig.xml snippet containing indexConfig settings for randomized testing.
 
 -->
 <indexConfig>
-  <useCompoundFile>${useCompoundFile:false}</useCompoundFile>
+  <!-- allways use this randomized policy -->
   <mergePolicy class="org.apache.solr.util.RandomMergePolicy" />
+  
+  <useCompoundFile>${useCompoundFile:false}</useCompoundFile>
+
+  <maxBufferedDocs>${solr.tests.maxBufferedDocs}</maxBufferedDocs>
+  <maxIndexingThreads>${solr.tests.maxIndexingThreads}</maxIndexingThreads>
+  <ramBufferSizeMB>${solr.tests.ramBufferSizeMB}</ramBufferSizeMB>
+
+  <mergeScheduler class="${solr.tests.mergeScheduler}" />
+
+  <writeLockTimeout>1000</writeLockTimeout>
+  <commitLockTimeout>10000</commitLockTimeout>
+  <lockType>single</lockType>
 </indexConfig>

solr/core/src/test/org/apache/solr/core/TestConfig.java

@@ -129,14 +129,15 @@ public class TestConfig extends SolrTestCaseJ4 {
 
   // sanity check that sys propertis are working as expected
   public void testSanityCheckTestSysPropsAreUsed() throws Exception {
-    final boolean expectCFS 
-      = Boolean.parseBoolean(System.getProperty("useCompoundFile"));
 
     SolrConfig sc = new SolrConfig(new SolrResourceLoader("solr/collection1"), "solrconfig-basic.xml", null);
     SolrIndexConfig sic = sc.indexConfig;
-    assertEquals("default ramBufferSizeMB", 100.0D, sic.ramBufferSizeMB, 0.0D);
+
-    assertEquals("default LockType", SolrIndexConfig.LOCK_TYPE_NATIVE, sic.lockType);
+    assertEquals("ramBufferSizeMB sysprop", 
-    assertEquals("useCompoundFile sysprop", expectCFS, sic.useCompoundFile);
+                 Double.parseDouble(System.getProperty("solr.tests.ramBufferSizeMB")), 
+                                    sic.ramBufferSizeMB, 0.0D);
+    assertEquals("useCompoundFile sysprop", 
+                 Boolean.parseBoolean(System.getProperty("useCompoundFile")), sic.useCompoundFile);
   }
 
 }

solr/test-framework/src/java/org/apache/solr/SolrTestCaseJ4.java

@@ -21,8 +21,11 @@ import com.carrotsearch.randomizedtesting.RandomizedContext;
 import com.carrotsearch.randomizedtesting.annotations.ThreadLeakFilters;
 import com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule;
 import org.apache.commons.io.FileUtils;
+import org.apache.lucene.analysis.MockAnalyzer;
+import org.apache.lucene.index.IndexWriterConfig;
 import org.apache.lucene.util.IOUtils;
 import org.apache.lucene.util.LuceneTestCase;
+import org.apache.lucene.util._TestUtil;
 import org.apache.lucene.util.QuickPatchThreadsFilter;
 import org.apache.solr.client.solrj.util.ClientUtils;
 import org.apache.solr.common.SolrException;
@@ -112,13 +115,13 @@ public abstract class SolrTestCaseJ4 extends LuceneTestCase {
   private static void beforeClass() {
     System.setProperty("jetty.testMode", "true");
     
-    System.setProperty("useCompoundFile", Boolean.toString(random().nextBoolean()));
     System.setProperty("enable.update.log", usually() ? "true" : "false");
     System.setProperty("tests.shardhandler.randomSeed", Long.toString(random().nextLong()));
     setupLogging();
     startTrackingSearchers();
     startTrackingZkClients();
     ignoreException("ignore_exception");
+    newRandomConfig();
   }
 
   @AfterClass
@@ -181,6 +184,28 @@ public abstract class SolrTestCaseJ4 extends LuceneTestCase {
     h = new TestHarness(loader, ConfigSolr.fromFile(loader, new File(solrHome, "solr.xml")));
     lrf = h.getRequestFactory("standard", 0, 20, CommonParams.VERSION, "2.2");
   }
+  
+  /** sets system properties based on 
+   * {@link #newIndexWriterConfig(org.apache.lucene.util.Version, org.apache.lucene.analysis.Analyzer)}
+   * 
+   * configs can use these system properties to vary the indexwriter settings
+   */
+  public static void newRandomConfig() {
+    IndexWriterConfig iwc = newIndexWriterConfig(TEST_VERSION_CURRENT, new MockAnalyzer(random()));
+
+    System.setProperty("useCompoundFile", String.valueOf(iwc.getUseCompoundFile()));
+
+    System.setProperty("solr.tests.maxBufferedDocs", String.valueOf(iwc.getMaxBufferedDocs()));
+    System.setProperty("solr.tests.ramBufferSizeMB", String.valueOf(iwc.getRAMBufferSizeMB()));
+    System.setProperty("solr.tests.mergeScheduler", iwc.getMergeScheduler().getClass().getName());
+
+    // don't ask iwc.getMaxThreadStates(), sometimes newIWC uses 
+    // RandomDocumentsWriterPerThreadPool and all hell breaks loose
+    int maxIndexingThreads = rarely(random())
+      ? _TestUtil.nextInt(random(), 5, 20) // crazy value
+      : _TestUtil.nextInt(random(), 1, 4); // reasonable value
+    System.setProperty("solr.tests.maxIndexingThreads", String.valueOf(maxIndexingThreads));
+  }
 
   @Override
   public void setUp() throws Exception {