1 files changed, 88 insertions, 0 deletions
diff --git a/src/mongo/gotools/test/qa-tests/jstests/restore/keep_index_version.js b/src/mongo/gotools/test/qa-tests/jstests/restore/keep_index_version.js
new file mode 100644
index 00000000000..8de84517b7c
--- /dev/null
+++ b/src/mongo/gotools/test/qa-tests/jstests/restore/keep_index_version.js
@@ -0,0 +1,88 @@
+(function() {
+
+  load('jstests/common/check_version.js');
+
+  if (typeof getToolTest === 'undefined') {
+    load('jstests/configs/plain_28.config.js');
+  }
+
+  // Tests that running mongorestore with --keepIndexVersion does not
+  // update the index version, and that running it without
+  // --keepIndexVersion does.
+
+  jsTest.log('Testing mongorestore with --keepIndexVersion');
+
+  var toolTest = getToolTest('keep_index_version');
+  var commonToolArgs = getCommonToolArguments();
+
+  // where we'll put the dump
+  var dumpTarget = 'keep_index_version_dump';
+  resetDbpath(dumpTarget);
+
+  // the db and collection we will use
+  var testDB = toolTest.db.getSiblingDB('test');
+  var testColl = testDB.coll;
+
+  if (isAtLeastVersion(testDB.version(), '3.1.0')) {
+    jsTest.log("skipping test on "+testDB.version());
+    return;
+  }
+  if (TestData && TestData.storageEngine === 'wiredTiger') {
+    jsTest.log("skipping test on "+testDB.version()+" when storage engine is wiredTiger");
+    return;
+  }
+
+  // create a version 0 index on the collection
+  testColl.ensureIndex({num: 1}, {v: 0});
+
+  // insert some data
+  for (var i = 0; i < 10; i++) {
+    testColl.insert({num: i});
+  }
+  // sanity check the insert worked
+  assert.eq(10, testColl.count());
+
+  // dump the data
+  var ret = toolTest.runTool.apply(toolTest, ['dump']
+    .concat(getDumpTarget(dumpTarget))
+    .concat(commonToolArgs));
+  assert.eq(0, ret);
+
+  // drop the db
+  testDB.dropDatabase();
+
+  // restore the data
+  ret = toolTest.runTool.apply(toolTest, ['restore']
+    .concat(getRestoreTarget(dumpTarget))
+    .concat(commonToolArgs));
+  assert.eq(0, ret);
+
+  // make sure the data was restored correctly
+  assert.eq(10, testColl.count());
+
+  // make sure the index version was updated
+  var indexes = testColl.getIndexes();
+  assert.eq(2, indexes.length);
+  assert.eq(1, indexes[1].v);
+
+  // drop the db
+  testDB.dropDatabase();
+
+  // restore the data with --keepIndexVersion specified
+  ret = toolTest.runTool.apply(toolTest, ['restore', '--keepIndexVersion']
+    .concat(getRestoreTarget(dumpTarget))
+    .concat(commonToolArgs));
+  assert.eq(0, ret);
+
+  // make sure the data was restored correctly
+  assert.eq(10, testColl.count());
+
+  // make sure the index version was not updated
+  indexes = testColl.getIndexes();
+  assert.eq(2, indexes.length);
+  assert.eq(0, indexes[1].v);
+
+  // success
+  toolTest.stop();
+
+}());