// version1.js

s = new ShardingTest( "version1" , 1 , 2 )

s.adminCommand( { enablesharding : "alleyinsider" } );
s.adminCommand( { shardcollection : "alleyinsider.foo" , key : { num : 1 } } );

// alleyinsider.foo is supposed to have one chunk, version 1|0, in shard000
s.printShardingStatus();

a = s._connections[0].getDB( "admin" );

assert( a.runCommand( { "setShardVersion" : "alleyinsider.foo" , configdb : s._configDB } ).ok == 0 );

assert( a.runCommand( { "setShardVersion" : "alleyinsider.foo" , configdb : s._configDB , version : "a" } ).ok == 0 );

assert( a.runCommand( { "setShardVersion" : "alleyinsider.foo" , configdb : s._configDB , authoritative : true } ).ok == 0 );

assert( a.runCommand({ setShardVersion: "alleyinsider.foo",
                       configdb: s._configDB,
                       version: new Timestamp(2, 0) }).ok == 0,
        "should have failed b/c no auth" );

assert( a.runCommand({ setShardVersion: "alleyinsider.foo",
                       configdb: s._configDB,
                       version: new Timestamp(2, 0),
                       authoritative: true }),
        "should have failed because first setShardVersion needs shard info" );

assert( a.runCommand({ setShardVersion: "alleyinsider.foo",
                       configdb: s._configDB,
                       version: new Timestamp(2, 0),
                       authoritative: true,
                       shard: "shard0000",
                       shardHost: "localhost:30000" }),
        "should have failed because version is config is 1|0" );

var epoch = s.getDB('config').chunks.findOne().lastmodEpoch;
assert.commandWorked( a.runCommand({ setShardVersion: "alleyinsider.foo",
                                     configdb: s._configDB,
                                     version: new Timestamp(1, 0),
                                     versionEpoch: epoch,
                                     authoritative: true,
                                     shard: "shard0000",
                                     shardHost: "localhost:30000" }),
                     "should have worked" );

assert( a.runCommand({ setShardVersion: "alleyinsider.foo",
                       configdb: "a",
                       version: new Timestamp(0, 2),
                       versionEpoch: epoch }).ok == 0, "A" );

assert( a.runCommand({ setShardVersion: "alleyinsider.foo",
                       configdb: s._configDB,
                       version: new Timestamp(0, 2),
                       versionEpoch: epoch }).ok == 0, "B" );

assert( a.runCommand({ setShardVersion: "alleyinsider.foo",
                       configdb: s._configDB,
                       version: new Timestamp(0, 1),
                       versionEpoch: epoch }).ok == 0, "C" );

// the only way that setSharVersion passes is if the shard agrees with the version
// the shard takes its version from config directly
// TODO bump timestamps in config
// assert.eq( a.runCommand( { "setShardVersion" : "alleyinsider.foo" , configdb : s._configDB , version : 3 } ).oldVersion.i , 2 , "oldVersion" );

// assert.eq( a.runCommand( { "getShardVersion" : "alleyinsider.foo" } ).mine.i , 3 , "my get version A" );
// assert.eq( a.runCommand( { "getShardVersion" : "alleyinsider.foo" } ).global.i , 3 , "my get version B" );

s.stop();
