# -*- coding: utf-8 -*-
# Copyright (c) 2018-2020 Christiaan Frans Rademan <chris@fwiw.co.za>.
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from pytest import raises
import pytest
parametrize = pytest.mark.parametrize

from luxon.utils.sharding import Ring, NodesTree


class TestSharding(object):
    def test_ring(self):
        nodes = NodesTree(ring_power=16, replicas=2)
        ring = Ring(nodes, ring_power=16, replicas=2)
        nodes.test_create_nodes(1365, 1)
        nodes.test_create_nodes(1365, 2)
        nodes.test_create_nodes(1365, 3)
        ring.build()
        nodes, zones = ring.test_distribution()
        for node in nodes:
            assert node['percent'] < 1
        for zone in zones:
            assert zone['percent'] == 100

