public void waitLeader() throws InterruptedException {
        while (true) {
            final Node node = getLeader();
            if (node != null) {
                return;
            } else {
                Thread.sleep(10);
            }
        }
    }
Test cluster for NodeTest
@author boyan (boyan@alibaba-inc.com)

2018-Apr-20 1:41:17 PM
jraft-core/src/test/java/com/alipay/sofa/jraft/core/TestCluster.java