spec/classes/datadog_agent_integrations_http_check_spec.rb

require 'spec_helper'

describe 'datadog_agent::integrations::http_check' do
  context 'supported agents - v5 and v6' do
    agents = { '5' => true, '6' => false }
    agents.each do |_, enabled|
      let(:pre_condition) { "class {'::datadog_agent': agent5_enable => #{enabled}}" }
      let(:facts) {{
        operatingsystem: 'Ubuntu',
      }}
      if enabled
        let(:conf_dir) { '/etc/dd-agent/conf.d' }
      else
        let(:conf_dir) { '/etc/datadog-agent/conf.d' }
      end
      let(:dd_user) { 'dd-agent' }
      let(:dd_group) { 'root' }
      let(:dd_package) { 'datadog-agent' }
      let(:dd_service) { 'datadog-agent' }
      let(:conf_file) { "#{conf_dir}/http_check.yaml" }

      it { should compile.with_all_deps }
      it { should contain_file(conf_file).with(
        owner: dd_user,
        group: dd_group,
        mode: '0600',
      )}
      it { should contain_file(conf_file).that_requires("Package[#{dd_package}]") }
      it { should contain_file(conf_file).that_notifies("Service[#{dd_service}]") }

      context 'with default parameters' do
        it { should contain_file(conf_file).without_content(%r{name: }) }
        it { should contain_file(conf_file).without_content(%r{url: }) }
        it { should contain_file(conf_file).without_content(%r{username: }) }
        it { should contain_file(conf_file).without_content(%r{password: }) }
        it { should contain_file(conf_file).without_content(%r{timeout: 1}) }
        it { should contain_file(conf_file).without_content(%{threshold: }) }
        it { should contain_file(conf_file).without_content(%r{window: }) }
        it { should contain_file(conf_file).without_content(%r{content_match: }) }
        it { should contain_file(conf_file).without_content(%r{include_content: true}) }
        it { should contain_file(conf_file).without_content(%r{collect_response_time: true}) }
        it { should contain_file(conf_file).without_content(%r{http_response_status_code: }) }
        it { should contain_file(conf_file).without_content(%r{disable_ssl_validation: false}) }
        it { should contain_file(conf_file).without_content(%r{skip_event: }) }
        it { should contain_file(conf_file).without_content(%r{no_proxy: }) }
        it { should contain_file(conf_file).without_content(%r{check_certificate_expiration: }) }
        it { should contain_file(conf_file).without_content(%r{days_warning: }) }
        it { should contain_file(conf_file).without_content(%r{days_critical: }) }
        it { should contain_file(conf_file).without_content(%r{headers: }) }
        it { should contain_file(conf_file).without_content(%r{tags: }) }
      end

      context 'with parameters set' do
        let(:params) {{
          sitename: 'foo.bar.baz',
          url: 'http://foo.bar.baz:4096',
          username: 'foouser',
          password: 'barpassword',
          timeout: 123,
          threshold: 456,
          window: 789,
          content_match: 'foomatch',
          include_content: true,
          collect_response_time: false,
          disable_ssl_validation: true,
          skip_event: true,
          http_response_status_code: '503',
          no_proxy: true,
          check_certificate_expiration: true,
          days_warning: 14,
          days_critical: 7,
          allow_redirects: true,
          ca_certs: '/dev/null'
        }}

        it { should contain_file(conf_file).with_content(%r{name: foo.bar.baz}) }
        it { should contain_file(conf_file).with_content(%r{url: http://foo.bar.baz:4096}) }
        it { should contain_file(conf_file).with_content(%r{username: foouser}) }
        it { should contain_file(conf_file).with_content(%r{password: barpassword}) }
        it { should contain_file(conf_file).with_content(%r{timeout: 123}) }
        it { should contain_file(conf_file).with_content(%r{threshold: 456}) }
        it { should contain_file(conf_file).with_content(%r{window: 789}) }
        it { should contain_file(conf_file).with_content(%r{content_match: 'foomatch'}) }
        it { should contain_file(conf_file).with_content(%r{include_content: true}) }
        it { should contain_file(conf_file).without_content(%r{collect_response_time: true}) }
        it { should contain_file(conf_file).with_content(%r{disable_ssl_validation: true}) }
        it { should contain_file(conf_file).with_content(%r{skip_event: true}) }
        it { should contain_file(conf_file).with_content(%r{http_response_status_code: 503}) }
        it { should contain_file(conf_file).with_content(%r{no_proxy: true}) }
        it { should contain_file(conf_file).with_content(%r{check_certificate_expiration: true}) }
        it { should contain_file(conf_file).with_content(%r{days_warning: 14}) }
        it { should contain_file(conf_file).with_content(%r{days_critical: 7}) }
        it { should contain_file(conf_file).with_content(%r{allow_redirects: true}) }
        it { should contain_file(conf_file).with_content(%r{ca_certs: /dev/null}) }
      end

      context 'with headers parameter array' do
        let(:params) {{
          sitename: 'foo.bar.baz',
          url: 'http://foo.bar.baz:4096',
          headers: %w{ foo bar baz },
        }}
        it { should contain_file(conf_file).with_content(/headers:\s+foo\s+bar\s+baz\s*?[^-]/m) }
      end

      context 'with headers parameter empty values' do
        context 'mixed in with other headers' do
          let(:params) {{
          sitename: 'foo.bar.baz',
            url: 'http://foo.bar.baz:4096',
            headers: [ 'foo', '', 'baz' ]
          }}

          it { should contain_file(conf_file).with_content(/headers:\s+foo\s+baz\s*?[^-]/m) }
        end

        context 'single element array of an empty string' do
          let(:params) {{
            headers: [''],
          }}

          skip("undefined behavior")
        end

        context 'single value empty string' do
          let(:params) {{
            headers: '',
          }}

          skip("doubly undefined behavior")
        end
      end


      context 'with tags parameter array' do
        let(:params) {{
          sitename: 'foo.bar.baz',
          url: 'http://foo.bar.baz:4096',
          tags: %w{ foo bar baz },
        }}
        it { should contain_file(conf_file).with_content(/tags:\s+- foo\s+- bar\s+- baz\s*?[^-]/m) }
      end

      context 'with tags parameter empty values' do
        context 'mixed in with other tags' do
          let(:params) {{
            sitename: 'foo.bar.baz',
            url: 'http://foo.bar.baz:4096',
            tags: [ 'foo', '', 'baz' ]
          }}

          it { should contain_file(conf_file).with_content(/tags:\s+- foo\s+- baz\s*?[^-]/m) }
        end

        context 'single element array of an empty string' do
          let(:params) {{
            tags: [''],
          }}

          skip("undefined behavior")
        end

        context 'single value empty string' do
          let(:params) {{
            tags: '',
          }}

          skip("doubly undefined behavior")
        end
      end

      context 'with contact set' do
        let(:params) {{
          contact: %r{alice bob carlo}
        }}

        # the parameter is '$contact' and the template uses '@contacts', so neither is used
        skip "this functionality appears to not be functional" do
          it { should contain_file(conf_file).with_content(%r{notify:\s+- alice\s+bob\s+carlo}) }
        end
      end
    end
  end
end