# Copyright:: 2011-Present, Datadog
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

describe 'datadog::dns_check' do
  expected_yaml = <<-EOF
  logs: ~
  init_config:
    default_timeout: 4

  instances:
    - hostname: foo.example.com
      nameserver: prod-ns.example.com
      timeout: 1
    - hostname: bar.example.com
      nameserver: prod-ns.example.com
    - hostname: staging.example.com
      nameserver: test-ns.example.com
      timeout: 2
  EOF

  cached(:chef_run) do
    ChefSpec::SoloRunner.new(
      platform: 'ubuntu',
      version: '16.04',
      step_into: ['datadog_monitor']
    ) do |node|
      node.automatic['languages'] = { 'python' => { 'version' => '2.7.2' } }

      node.normal['datadog'] = {
        'api_key' => 'someapikey',
        'dns_check' => {
          'instances' => [
            {
              'hostname' => 'foo.example.com',
              'nameserver' => 'prod-ns.example.com',
              'timeout' => 1
            },
            {
              'hostname' => 'bar.example.com',
              'nameserver' => 'prod-ns.example.com'
            },
            {
              'hostname' => 'staging.example.com',
              'nameserver' => 'test-ns.example.com',
              'timeout' => 2
            }
          ]
        }
      }
    end.converge(described_recipe)
  end

  subject { chef_run }

  it_behaves_like 'datadog-agent'

  it { is_expected.to include_recipe('datadog::dd-agent') }

  it { is_expected.to add_datadog_monitor('dns_check') }

  it 'renders expected YAML config file' do
    expect(chef_run).to(render_file('/etc/datadog-agent/conf.d/dns_check.d/conf.yaml').with_content { |content|
      expect(YAML.safe_load(content).to_json).to be_json_eql(YAML.safe_load(expected_yaml).to_json)
    })
  end
end
