require 'spec_helper'

describe 'a simple mounted api' do
  before :all do
    class CustomType; end

    class SimpleMountedApi < Grape::API
      desc 'Document root'
      get do
      end

      desc 'This gets something.',
           notes: '_test_'

      get '/simple' do
        { bla: 'something' }
      end

      desc 'This gets something for URL using - separator.',
           notes: '_test_'

      get '/simple-test' do
        { bla: 'something' }
      end

      desc 'this gets something else',
           headers: {
             'XAuthToken' => { description: 'A required header.', required: true },
             'XOtherHeader' => { description: 'An optional header.', required: false }
           },
           http_codes: {
             403 => 'invalid pony',
             405 => 'no ponies left!'
           }

      get '/simple_with_headers' do
        { bla: 'something_else' }
      end

      desc 'this takes an array of parameters',
           params: {
             'items[]' => { description: 'array of items' }
           }

      post '/items' do
        {}
      end

      desc 'this uses a custom parameter',
           params: {
             'custom' => { type: CustomType, description: 'array of items' }
           }

      get '/custom' do
        {}
      end
    end

    class SimpleApi < Grape::API
      mount SimpleMountedApi
      add_swagger_documentation
    end
  end

  def app
    SimpleApi
  end

  it 'retrieves swagger-documentation on /swagger_doc' do
    get '/swagger_doc.json'
    expect(JSON.parse(last_response.body)).to eq(
      'apiVersion' => '0.1',
      'swaggerVersion' => '1.2',
      'info' => {},
      'produces' => Grape::ContentTypes::CONTENT_TYPES.values.uniq,
      'apis' => [
        { 'path' => '/simple.{format}', 'description' => 'Operations about simples' },
        { 'path' => '/simple-test.{format}', 'description' => 'Operations about simple-tests' },
        { 'path' => '/simple_with_headers.{format}', 'description' => 'Operations about simple_with_headers' },
        { 'path' => '/items.{format}', 'description' => 'Operations about items' },
        { 'path' => '/custom.{format}', 'description' => 'Operations about customs' },
        { 'path' => '/swagger_doc.{format}', 'description' => 'Operations about swagger_docs' }
      ]
    )
  end

  it 'retrieves the documentation for mounted-api' do
    get '/swagger_doc/simple.json'
    expect(JSON.parse(last_response.body)).to eq(
      'apiVersion' => '0.1',
      'swaggerVersion' => '1.2',
      'basePath' => 'http://example.org',
      'resourcePath' => '/simple',
      'produces' => Grape::ContentTypes::CONTENT_TYPES.values.uniq,
      'apis' => [{
        'path' => '/simple.{format}',
        'operations' => [{
          'notes' => '_test_',
          'summary' => 'This gets something.',
          'nickname' => 'GET-simple---format-',
          'method' => 'GET',
          'parameters' => [],
          'type' => 'void'
        }]
      }]
    )
  end

  context 'retrieves the documentation for mounted-api that' do
    it "contains '-' in URL" do
      get '/swagger_doc/simple-test.json'
      expect(JSON.parse(last_response.body)).to eq(
        'apiVersion' => '0.1',
        'swaggerVersion' => '1.2',
        'basePath' => 'http://example.org',
        'resourcePath' => '/simple-test',
        'produces' => Grape::ContentTypes::CONTENT_TYPES.values.uniq,
        'apis' => [{
          'path' => '/simple-test.{format}',
          'operations' => [{
            'notes' => '_test_',
            'summary' => 'This gets something for URL using - separator.',
            'nickname' => 'GET-simple-test---format-',
            'method' => 'GET',
            'parameters' => [],
            'type' => 'void'
          }]
        }]
      )
    end

    it 'includes headers' do
      get '/swagger_doc/simple_with_headers.json'
      expect(JSON.parse(last_response.body)['apis']).to eq [{
        'path' => '/simple_with_headers.{format}',
        'operations' => [{
          'notes' => '',
          'summary' => 'this gets something else',
          'nickname' => 'GET-simple_with_headers---format-',
          'method' => 'GET',
          'parameters' => [
            { 'paramType' => 'header', 'name' => 'XAuthToken', 'description' => 'A required header.', 'type' => 'string', 'required' => true },
            { 'paramType' => 'header', 'name' => 'XOtherHeader', 'description' => 'An optional header.', 'type' => 'string', 'required' => false }
          ],
          'type' => 'void',
          'responseMessages' => [
            { 'code' => 403, 'message' => 'invalid pony' },
            { 'code' => 405, 'message' => 'no ponies left!' }
          ]
        }]
      }]
    end

    it 'supports multiple parameters' do
      get '/swagger_doc/items.json'
      expect(JSON.parse(last_response.body)['apis']).to eq [{
        'path' => '/items.{format}',
        'operations' => [{
          'notes' => '',
          'summary' => 'this takes an array of parameters',
          'nickname' => 'POST-items---format-',
          'method' => 'POST',
          'parameters' => [{ 'paramType' => 'form', 'name' => 'items[]', 'description' => 'array of items', 'type' => 'string', 'required' => false, 'allowMultiple' => false }],
          'type' => 'void'
        }]
      }]
    end

    it 'supports custom types' do
      get '/swagger_doc/custom.json'
      expect(JSON.parse(last_response.body)['apis']).to eq [{
        'path' => '/custom.{format}',
        'operations' => [{
          'notes' => '',
          'summary' => 'this uses a custom parameter',
          'nickname' => 'GET-custom---format-',
          'method' => 'GET',
          'parameters' => [{ 'paramType' => 'query', 'name' => 'custom', 'description' => 'array of items', 'type' => 'CustomType', 'required' => false, 'allowMultiple' => false }],
          'type' => 'void'
        }]
      }]
    end
  end
end