1 files changed, 67 insertions, 0 deletions
diff --git a/jstests/slowWeekly/indexbg_dur.js b/jstests/slowWeekly/indexbg_dur.js
new file mode 100644
index 0000000..5fbe0e7
--- /dev/null
+++ b/jstests/slowWeekly/indexbg_dur.js
@@ -0,0 +1,67 @@
+/**
+ * Kill mongod during a background index build and ensure that the bad index
+ * can be dropped on restart.
+ */
+
+function countFields( x ) {
+    var count = 0;
+    for( var i in x ) {
+        ++count;
+    }
+    return count;
+}
+
+size = 100000;
+while( 1 ) {
+    print( "size: " + size );
+
+    var testname = "index_build";
+    var path = "/data/db/" + testname+"_dur";
+    conn = startMongodEmpty("--port", 30001, "--dbpath", path, "--dur", "--smallfiles", "--durOptions", 8);
+    t = conn.getDB( testname ).getCollection( testname );
+
+    for( var i = 0; i < size; ++i ) {
+        t.save( {i:i} );
+    }
+    t.getDB().getLastError();
+    x = startMongoProgramNoConnect( "mongo", "--eval", "db.getSisterDB( '" + testname + "' )." + testname + ".ensureIndex( {i:1}, {background:true} );", conn.host );
+    sleep( 1000 );
+    stopMongod( 30001, /* signal */ 9 );
+    waitProgram( x );
+    
+    conn = startMongodNoReset("--port", 30001, "--dbpath", path, "--dur", "--smallfiles", "--durOptions", 8);
+    t = conn.getDB( testname ).getCollection( testname );
+    
+    var statsSize = countFields( t.stats().indexSizes );
+    var nsSize = conn.getDB( testname ).system.indexes.count( {ns:testname+'.'+testname} );
+    
+    // If index build completed before the kill, try again with more data.
+    if ( !( statsSize == 1 && nsSize == 2 ) ) {
+        print( "statsSize: " + statsSize + ", nsSize: " + nsSize + ", retrying with more data" );
+        stopMongod( 30001 );
+        size *= 2;
+        continue;
+    }
+    
+    assert.eq( "index not found", t.dropIndex( "i_1" ).errmsg );
+    
+    var statsSize = countFields( t.stats().indexSizes );
+    var nsSize = conn.getDB( testname ).system.indexes.count( {ns:testname+'.'+testname} );
+
+    assert.eq( statsSize, nsSize );
+    assert( t.validate().valid );
+    // TODO check that index namespace is cleaned up as well once that is implemented
+    
+    t.ensureIndex( {i:1} );
+    var statsSize = countFields( t.stats().indexSizes );
+    var nsSize = conn.getDB( testname ).system.indexes.count( {ns:testname+'.'+testname} );
+
+    assert.eq( 2, statsSize );
+    assert.eq( 2, nsSize );
+    
+    exp = t.find( {i:20} ).explain();
+    assert.eq( 1, exp.n );
+    assert.eq( 'BtreeCursor i_1', exp.cursor );
+    
+    break;
+}