import pytest

import kafka.admin
from kafka.errors import IllegalArgumentError


def test_config_resource():
    with pytest.raises(KeyError):
        bad_resource = kafka.admin.ConfigResource('something', 'foo')
    good_resource = kafka.admin.ConfigResource('broker', 'bar')
    assert(good_resource.resource_type == kafka.admin.ConfigResourceType.BROKER)
    assert(good_resource.name == 'bar')
    assert(good_resource.configs is None)
    good_resource = kafka.admin.ConfigResource(kafka.admin.ConfigResourceType.TOPIC, 'baz', {'frob' : 'nob'})
    assert(good_resource.resource_type == kafka.admin.ConfigResourceType.TOPIC)
    assert(good_resource.name == 'baz')
    assert(good_resource.configs == {'frob' : 'nob'})


def test_new_partitions():
    good_partitions = kafka.admin.NewPartitions(6)
    assert(good_partitions.total_count == 6)
    assert(good_partitions.new_assignments is None)
    good_partitions = kafka.admin.NewPartitions(7, [[1, 2, 3]])
    assert(good_partitions.total_count == 7)
    assert(good_partitions.new_assignments == [[1, 2, 3]])


def test_new_topic():
    with pytest.raises(IllegalArgumentError):
        bad_topic = kafka.admin.NewTopic('foo', -1, -1)
    with pytest.raises(IllegalArgumentError):
        bad_topic = kafka.admin.NewTopic('foo', 1, -1)
    with pytest.raises(IllegalArgumentError):
        bad_topic = kafka.admin.NewTopic('foo', 1, 1, {1 : [1, 1, 1]})
    good_topic = kafka.admin.NewTopic('foo', 1, 2)
    assert(good_topic.name == 'foo')
    assert(good_topic.num_partitions == 1)
    assert(good_topic.replication_factor == 2)
    assert(good_topic.replica_assignments == {})
    assert(good_topic.topic_configs == {})
    good_topic = kafka.admin.NewTopic('bar', -1, -1, {1 : [1, 2, 3]}, {'key' : 'value'})
    assert(good_topic.name == 'bar')
    assert(good_topic.num_partitions == -1)
    assert(good_topic.replication_factor == -1)
    assert(good_topic.replica_assignments == {1: [1, 2, 3]})
    assert(good_topic.topic_configs == {'key' : 'value'})