// Test cloning a database from a replica set (as full replica set uri, just the PRIMARY, or just a
// SECONDARY) to a standalone server and viceversa (SERVER-1643)

(function() {
    "use strict";

    if (jsTest.options().keyFile) {
        jsTest.log("Skipping test because clone command doesn't work with authentication enabled:" +
                   " SERVER-4245");
    } else {
        var numDocs = 2000;

        // 1kb string
        var str = new Array(1000).toString();

        var replsetDBName = 'cloneDBreplset';
        var standaloneDBName = 'cloneDBstandalone';
        var testColName = 'foo';

        jsTest.log("Create replica set");
        var replTest = new ReplSetTest({name: 'testSet', nodes: 3});
        replTest.startSet();
        replTest.initiate();
        var master = replTest.getPrimary();
        var secondary = replTest.liveNodes.slaves[0];
        var masterDB = master.getDB(replsetDBName);
        masterDB.dropDatabase();

        jsTest.log("Create standalone server");
        var standalone = MongoRunner.runMongod();
        standalone.getDB("admin").runCommand({setParameter: 1, logLevel: 5});
        var standaloneDB = standalone.getDB(replsetDBName);
        standaloneDB.dropDatabase();

        jsTest.log("Insert data into replica set");
        var bulk = masterDB[testColName].initializeUnorderedBulkOp();
        for (var i = 0; i < numDocs; i++) {
            bulk.insert({x: i, text: str});
        }
        assert.writeOK(bulk.execute({w: 3}));

        jsTest.log("Clone db from replica set to standalone server");
        standaloneDB.cloneDatabase(replTest.getURL());
        assert.eq(numDocs,
                  standaloneDB[testColName].find().itcount(),
                  'cloneDatabase from replset to standalone failed (document counts do not match)');

        jsTest.log("Clone db from replica set PRIMARY to standalone server");
        standaloneDB.dropDatabase();
        standaloneDB.cloneDatabase(master.host);
        assert.eq(numDocs,
                  standaloneDB[testColName].find().itcount(),
                  'cloneDatabase from PRIMARY to standalone failed (document counts do not match)');

        jsTest.log("Clone db from replica set SECONDARY to standalone server (should not copy)");
        standaloneDB.dropDatabase();
        standaloneDB.cloneDatabase(secondary.host);
        assert.eq(
            0,
            standaloneDB[testColName].find().itcount(),
            'cloneDatabase from SECONDARY to standalone copied documents without slaveOk: true');

        jsTest.log("Clone db from replica set SECONDARY to standalone server using slaveOk");
        standaloneDB.dropDatabase();
        standaloneDB.runCommand({clone: secondary.host, slaveOk: true});
        assert.eq(
            numDocs,
            standaloneDB[testColName].find().itcount(),
            'cloneDatabase from SECONDARY to standalone failed (document counts do not match)');

        jsTest.log("Switch db and insert data into standalone server");
        masterDB = master.getDB(standaloneDBName);
        var secondaryDB = secondary.getDB(standaloneDBName);
        standaloneDB = standalone.getDB(standaloneDBName);
        masterDB.dropDatabase();
        secondaryDB.dropDatabase();
        standaloneDB.dropDatabase();

        bulk = standaloneDB[testColName].initializeUnorderedBulkOp();
        for (var i = 0; i < numDocs; i++) {
            bulk.insert({x: i, text: str});
        }
        assert.writeOK(bulk.execute());

        jsTest.log("Clone db from standalone server to replica set PRIMARY");
        masterDB.cloneDatabase(standalone.host);
        replTest.awaitReplication();
        assert.eq(numDocs,
                  masterDB[testColName].find().itcount(),
                  'cloneDatabase from standalone to PRIMARY failed (document counts do not match)');

        jsTest.log("Clone db from standalone server to replica set SECONDARY");
        masterDB.dropDatabase();
        replTest.awaitReplication();
        secondaryDB.cloneDatabase(standalone.host);
        assert.eq(
            0,
            secondaryDB[testColName].find().itcount(),
            'cloneDatabase from standalone to SECONDARY succeeded and should not accept writes');

        jsTest.log("Shut down replica set and standalone server");
        MongoRunner.stopMongod(standalone.port);

        replTest.stopSet();
    }

})();