// Tests write-concern-related bulk api functionality
//
// This test asserts that a journaled write to a mongod running with --nojournal should be rejected,
// so cannot be run on the ephemeralForTest storage engine, as it accepts all journaled writes.
// @tags: [SERVER-21420]

jsTest.log("Starting bulk api write concern tests...");

// Start a 2-node replica set with no journal
//Allows testing immediate write concern failures and wc application failures
var rst = new ReplSetTest({ nodes : 2 });
rst.startSet({ nojournal : "" });
rst.initiate();
var mongod = rst.getPrimary();
var coll = mongod.getCollection("test.bulk_api_wc");

var executeTests = function() {

    // Create a unique index, legacy writes validate too early to use invalid documents for write
    // error testing
    coll.ensureIndex({ a : 1 }, { unique : true });

    //
    // Ordered
    //

    //
    // Fail due to nojournal
    coll.remove({});
    var bulk = coll.initializeOrderedBulkOp();
    bulk.insert({a:1});
    bulk.insert({a:2});
    assert.throws( function(){ bulk.execute({ j : true }); } );

    //
    // Fail with write error, no write concern error even though it would fail on apply for ordered
    coll.remove({});
    var bulk = coll.initializeOrderedBulkOp();
    bulk.insert({a:1});
    bulk.insert({a:2});
    bulk.insert({a:2});
    var result = assert.throws( function() { bulk.execute({ w : 'invalid' }); } );
    assert.eq(result.nInserted, 2);
    assert.eq(result.getWriteErrors()[0].index, 2);
    assert(!result.getWriteConcernError());
    assert.eq(coll.count(), 2);

    //
    // Unordered
    //

    //
    // Fail with write error, write concern error reported when unordered
    coll.remove({});
    var bulk = coll.initializeUnorderedBulkOp();
    bulk.insert({a:1});
    bulk.insert({a:2});
    bulk.insert({a:2});
    var result = assert.throws( function(){ bulk.execute({ w : 'invalid' }); } );
    assert.eq(result.nInserted, 2);
    assert.eq(result.getWriteErrors()[0].index, 2);
    assert(result.getWriteConcernError());
    assert.eq(coll.count(), 2);

    //
    // Fail with write error, write concern timeout reported when unordered
    // Note that wtimeout:true can only be reported when the batch is all the same, so there's not
    // multiple wc errors
    coll.remove({});
    var bulk = coll.initializeUnorderedBulkOp();
    bulk.insert({a:1});
    bulk.insert({a:2});
    bulk.insert({a:2});
    var result = assert.throws( function() { bulk.execute({ w : 3, wtimeout : 1 }); } );
    assert.eq(result.nInserted, 2);
    assert.eq(result.getWriteErrors()[0].index, 2);
    assert.eq(100, result.getWriteConcernError().code);
    assert.eq(coll.count(), 2);

    //
    // Fail with write error and upserted, write concern error reported when unordered
    coll.remove({});
    var bulk = coll.initializeUnorderedBulkOp();
    bulk.insert({a:1});
    bulk.insert({a:2});
    bulk.find({a:3}).upsert().updateOne({a:3});
    bulk.insert({a:3});
    var result = assert.throws( function(){ bulk.execute({ w : 'invalid' }); } );
    assert.eq(result.nInserted, 2);
    assert.eq(result.nUpserted, 1);
    assert.eq(result.getUpsertedIds()[0].index, 2);
    assert.eq(result.getWriteErrors()[0].index, 3);
    assert(result.getWriteConcernError());
    assert.eq(coll.count(), 3);
};

// Use write commands
coll.getMongo().useWriteCommands = function() { return true; };
executeTests();

// FAILING currently due to incorrect batch api reading of GLE
// Use legacy opcodes
coll.getMongo().useWriteCommands = function() { return false; };
executeTests();

jsTest.log("DONE bulk api wc tests");
rst.stopSet();