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# frozen_string_literal: true
require 'spec_helper'
RSpec.describe ClickHouse::Client::Configuration do
subject(:configuration) do
config = described_class.new
config.http_post_proc = -> {}
config.json_parser = Object
config
end
describe '#register_database' do
let(:database_options) do
{
database: 'test_db',
url: 'http://localhost:3333',
username: 'user',
password: 'pass',
variables: {
join_use_nulls: 1
}
}
end
it 'registers a database' do
configuration.register_database(:my_db, **database_options)
expect(configuration.databases.size).to eq(1)
database = configuration.databases[:my_db]
expect(database.uri.to_s).to eq('http://localhost:3333?database=test_db&join_use_nulls=1')
end
context 'when adding the same DB multiple times' do
it 'raises error' do
configuration.register_database(:my_db, **database_options)
expect do
configuration.register_database(:my_db, **database_options)
end.to raise_error(ClickHouse::Client::ConfigurationError, /database 'my_db' is already registered/)
end
end
end
describe '#validate!' do
context 'when `http_post_proc` option is not configured' do
it 'raises error' do
configuration.http_post_proc = nil
expect do
configuration.validate!
end.to raise_error(ClickHouse::Client::ConfigurationError, /'http_post_proc' option is not configured/)
end
end
context 'when `json_parser` option is not configured' do
it 'raises error' do
configuration.json_parser = nil
expect do
configuration.validate!
end.to raise_error(ClickHouse::Client::ConfigurationError, /'json_parser' option is not configured/)
end
end
end
end
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