mongodb/jstests/noPassthrough/shard_fixture_selftest.js

// A test to ensure that shard_fixture.js is consistent with shardingtest.js
// @tags: [requires_sharding]

(function() {
    'use strict';

    load('jstests/concurrency/fsm_libs/shard_fixture.js');

    const rsTestOriginal = new ShardingTest({
        shards: 2,
        mongos: 2,
        config: 2,
        shardAsReplicaSet: true,
    });

    const rsTestWrapper =
        new FSMShardingTest(`mongodb://${rsTestOriginal.s0.host},${rsTestOriginal.s1.host}`);

    assert.eq(rsTestWrapper.s(0).host, rsTestOriginal.s0.host);
    assert.eq(rsTestWrapper.s(1).host, rsTestOriginal.s1.host);
    assert.eq(rsTestWrapper.s(2), rsTestOriginal.s2);  // Both should be undefined.

    assert.eq(rsTestWrapper.shard(0).host, rsTestOriginal.shard0.host);
    assert.eq(rsTestWrapper.shard(1).host, rsTestOriginal.shard1.host);
    assert.eq(rsTestWrapper.shard(2), rsTestOriginal.shard2);  // Both should be undefined.

    assert.eq(rsTestWrapper.rs(0).getURL(), rsTestOriginal.rs0.getURL());
    assert.eq(rsTestWrapper.rs(1).getURL(), rsTestOriginal.rs1.getURL());
    assert.eq(rsTestWrapper.rs(2), rsTestOriginal.rs2);  // Both should be undefined.

    assert.eq(rsTestWrapper.c(0).host, rsTestOriginal.c0.host);
    assert.eq(rsTestWrapper.c(1).host, rsTestOriginal.c1.host);
    assert.eq(rsTestWrapper.c(2), rsTestOriginal.c2);  // Both should be undefined.

    rsTestOriginal.stop();

    const dTestOriginal = new ShardingTest({
        shards: 1,
        mongos: 1,
        config: 1,
        shardAsReplicaSet: false,
    });

    const dTestWrapper = new FSMShardingTest(dTestOriginal.s.host);

    assert.eq(dTestWrapper.shard(0).host, dTestOriginal.shard0.host);
    assert.eq(dTestWrapper.s(0).host, dTestOriginal.s0.host);
    assert.eq(dTestWrapper.d(0).host, dTestOriginal.d0.host);
    assert.eq(rsTestWrapper.c(0).host, rsTestOriginal.c0.host);

    dTestOriginal.stop();
})();