require 'spec_helper'

describe Datadog::Notifications::Plugins::Grape do
  include Rack::Test::Methods

  let(:app) do
    unauthorized = Class.new(RuntimeError)

    sub_api = Class.new(Grape::API) do
      version 'v1'
      prefix  'api'

      get('versioned') { 'OK' }
    end

    Class.new(Grape::API) do
      rescue_from unauthorized do |_e|
        error!({ message: 'unauthorized', error: '401 Unauthorized' }, 401)
      end

      get 'echo/:key1/:key2' do
        "#{params['key1']} #{params['key2']}"
      end

      get '/rescued' do
        raise unauthorized, 'unauthorized'
      end

      namespace :sub do
        mount sub_api

        namespace :secure do
          get('/resource') { error!('forbidden', 403) }
        end
      end
    end
  end

  it 'sends an increment and timing event for each request' do
    get '/echo/1/1234'
    expect(last_response.status).to eq(200)
    expect(last_response.body).to eq('1 1234')

    expect(messages).to eq([
      'api.request:1|c|#custom:tag,env:test,host:test.host,more:tags,method:GET,status:200,path:/echo/KEY1/KEY2',
      'api.request.time:111.0|ms|#custom:tag,env:test,host:test.host,more:tags,method:GET,status:200,path:/echo/KEY1/KEY2',
    ])
  end

  it 'supports namespaces and versioning' do
    get '/api/v1/sub/versioned.txt'
    expect(last_response.status).to eq(200)
    expect(last_response.body).to eq('OK')

    expect(messages).to eq([
      'api.request:1|c|#custom:tag,env:test,host:test.host,more:tags,method:GET,status:200,path:/api/sub/versioned,version:v1',
      'api.request.time:111.0|ms|#custom:tag,env:test,host:test.host,more:tags,method:GET,status:200,path:/api/sub/versioned,version:v1',
    ])
  end

  it 'supports deep nesting' do
    get '/sub/secure/resource'
    expect(last_response.status).to eq(403)
    expect(last_response.body).to eq('forbidden')

    expect(messages).to eq([
      'api.request:1|c|#custom:tag,env:test,host:test.host,more:tags,method:GET,status:403,path:/sub/secure/resource',
      'api.request.time:111.0|ms|#custom:tag,env:test,host:test.host,more:tags,method:GET,status:403,path:/sub/secure/resource',
    ])
  end

  it 'handles rescued errors' do
    get '/rescued'
    expect(last_response.status).to eq(401)

    expect(messages).to eq([
      'api.request:1|c|#custom:tag,env:test,host:test.host,more:tags,method:GET,status:401,path:/rescued',
      'api.request.time:111.0|ms|#custom:tag,env:test,host:test.host,more:tags,method:GET,status:401,path:/rescued',
    ])
  end

  it 'handles invalid method' do
    post '/rescued'

    expect(last_response.status).to eq(405)
    expect(messages).to eq([
      'api.request:1|c|#custom:tag,env:test,host:test.host,more:tags,method:POST,status:405,path:/rescued',
      'api.request.time:111.0|ms|#custom:tag,env:test,host:test.host,more:tags,method:POST,status:405,path:/rescued',
    ])
  end

  it 'does not report paths on 404s' do
    get '/sub/missing'
    expect(last_response.status).to eq(404)

    expect(messages).to eq([])
  end
end