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// tests gridfs with a sharded fs.chunks collection.
// @tags: [requires_sharding]
var test = new ShardingTest({shards: 3, mongos: 1, config: 1, verbose: 2, other: {chunkSize: 1}});
var mongos = test.s0;
var filename = "mongod"; // A large file we are guaranteed to have
if (_isWindows())
filename += ".exe";
function testGridFS(name) {
var d = mongos.getDB(name);
// this function should be called on a clean db
assert.eq(d.name.files.count(), 0);
assert.eq(d.fs.chunks.count(), 0);
var rawmd5 = md5sumFile(filename);
// upload file (currently calls filemd5 internally)
var exitCode = MongoRunner.runMongoTool("mongofiles",
{
port: mongos.port,
db: name,
},
"put",
filename);
assert.eq(0, exitCode, "mongofiles failed to upload '" + filename + "' into a sharded cluster");
assert.eq(d.fs.files.count(), 1);
var fileObj = d.fs.files.findOne();
print("fileObj: " + tojson(fileObj));
// Call filemd5 ourself and check results.
var res = d.runCommand({filemd5: fileObj._id});
print("filemd5 output: " + tojson(res));
assert(res.ok);
assert.eq(rawmd5, res.md5);
var numChunks = d.fs.chunks.find({files_id: fileObj._id}).itcount();
// var numChunks = d.fs.chunks.count({files_id: fileObj._id}) // this is broken for now
assert.eq(numChunks, res.numChunks);
}
print('\n\n\t**** unsharded ****\n\n');
name = 'unsharded';
testGridFS(name);
print('\n\n\t**** sharded db, unsharded collection ****\n\n');
name = 'sharded_db';
test.adminCommand({enablesharding: name});
testGridFS(name);
print('\n\n\t**** sharded collection on files_id ****\n\n');
name = 'sharded_files_id';
test.adminCommand({enablesharding: name});
test.adminCommand({shardcollection: name + '.fs.chunks', key: {files_id: 1}});
testGridFS(name);
print('\n\n\t**** sharded collection on files_id,n ****\n\n');
name = 'sharded_files_id_n';
test.adminCommand({enablesharding: name});
test.adminCommand({shardcollection: name + '.fs.chunks', key: {files_id: 1, n: 1}, unique: true});
testGridFS(name);
test.stop();
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