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require 'multi_json'
require 'spec_helper'
require 'okjson'
RSpec.describe Sinatra::RespondWith do
def respond_app(&block)
mock_app do
set :app_file, __FILE__
set :views, root + '/respond_with'
register Sinatra::RespondWith
class_eval(&block)
end
end
def respond_to(*args, &block)
respond_app { get('/') { respond_to(*args, &block) } }
end
def respond_with(*args, &block)
respond_app { get('/') { respond_with(*args, &block) } }
end
def req(*types)
path = types.shift if types.first.is_a?(String) && types.first.start_with?('/')
accept = types.map { |t| Sinatra::Base.mime_type(t).to_s }.join ','
get (path || '/'), {}, 'HTTP_ACCEPT' => accept
end
describe "Helpers#respond_to" do
it 'allows defining handlers by file extensions' do
respond_to do |format|
format.html { "html!" }
format.json { "json!" }
end
expect(req(:html).body).to eq("html!")
expect(req(:json).body).to eq("json!")
end
it 'respects quality' do
respond_to do |format|
format.html { "html!" }
format.json { "json!" }
end
expect(req("text/html;q=0.7, application/json;q=0.3").body).to eq("html!")
expect(req("text/html;q=0.3, application/json;q=0.7").body).to eq("json!")
end
it 'allows using mime types' do
respond_to do |format|
format.on('text/html') { "html!" }
format.json { "json!" }
end
expect(req(:html).body).to eq("html!")
end
it 'allows using wildcards in format matchers' do
respond_to do |format|
format.on('text/*') { "text!" }
format.json { "json!" }
end
expect(req(:html).body).to eq("text!")
end
it 'allows using catch all wildcards in format matchers' do
respond_to do |format|
format.on('*/*') { "anything!" }
format.json { "json!" }
end
expect(req(:html).body).to eq("anything!")
end
it 'prefers concret over generic' do
respond_to do |format|
format.on('text/*') { "text!" }
format.on('*/*') { "anything!" }
format.json { "json!" }
end
expect(req(:json).body).to eq("json!")
expect(req(:html).body).to eq("text!")
end
it 'does not set up default handlers' do
respond_to
expect(req).not_to be_ok
expect(status).to eq(500)
expect(body).to eq("Unknown template engine")
end
end
describe "Helpers#respond_with" do
describe "matching" do
it 'allows defining handlers by file extensions' do
respond_with(:ignore) do |format|
format.html { "html!" }
format.json { "json!" }
end
expect(req(:html).body).to eq("html!")
expect(req(:json).body).to eq("json!")
end
it 'respects quality' do
respond_with(:ignore) do |format|
format.html { "html!" }
format.json { "json!" }
end
expect(req("text/html;q=0.7, application/json;q=0.3").body).to eq("html!")
expect(req("text/html;q=0.3, application/json;q=0.7").body).to eq("json!")
end
it 'allows using mime types' do
respond_with(:ignore) do |format|
format.on('text/html') { "html!" }
format.json { "json!" }
end
expect(req(:html).body).to eq("html!")
end
it 'allows using wildcards in format matchers' do
respond_with(:ignore) do |format|
format.on('text/*') { "text!" }
format.json { "json!" }
end
expect(req(:html).body).to eq("text!")
end
it 'allows using catch all wildcards in format matchers' do
respond_with(:ignore) do |format|
format.on('*/*') { "anything!" }
format.json { "json!" }
end
expect(req(:html).body).to eq("anything!")
end
it 'prefers concret over generic' do
respond_with(:ignore) do |format|
format.on('text/*') { "text!" }
format.on('*/*') { "anything!" }
format.json { "json!" }
end
expect(req(:json).body).to eq("json!")
expect(req(:html).body).to eq("text!")
end
end
describe "default behavior" do
it 'converts objects to json out of the box' do
respond_with 'a' => 'b'
expect(OkJson.decode(req(:json).body)).to eq({'a' => 'b'})
end
it 'handles multiple routes correctly' do
respond_app do
get('/') { respond_with 'a' => 'b' }
get('/:name') { respond_with 'a' => params[:name] }
end
expect(OkJson.decode(req('/', :json).body)).to eq({'a' => 'b'})
expect(OkJson.decode(req('/b', :json).body)).to eq({'a' => 'b'})
expect(OkJson.decode(req('/c', :json).body)).to eq({'a' => 'c'})
end
it "calls to_EXT if available" do
respond_with Struct.new(:to_pdf).new("hello")
expect(req(:pdf).body).to eq("hello")
end
it 'results in a 500 if format cannot be produced' do
respond_with({})
expect(req(:html)).not_to be_ok
expect(status).to eq(500)
expect(body).to eq("Unknown template engine")
end
end
describe 'templates' do
it 'looks for templates with name.target.engine' do
respond_with :foo, :name => 'World'
expect(req(:html)).to be_ok
expect(body).to eq("Hello World!")
end
it 'looks for templates with name.engine for specific engines' do
respond_with :bar
expect(req(:html)).to be_ok
expect(body).to eq("guten Tag!")
end
it 'does not use name.engine for engines producing other formats' do
respond_with :not_html
expect(req(:html)).not_to be_ok
expect(status).to eq(500)
expect(body).to eq("Unknown template engine")
end
it 'falls back to #json if no template is found' do
respond_with :foo, :name => 'World'
expect(req(:json)).to be_ok
expect(OkJson.decode(body)).to eq({'name' => 'World'})
end
it 'favors templates over #json' do
respond_with :bar, :name => 'World'
expect(req(:json)).to be_ok
expect(body).to eq('json!')
end
it 'falls back to to_EXT if no template is found' do
object = {:name => 'World'}
def object.to_pdf; "hi" end
respond_with :foo, object
expect(req(:pdf)).to be_ok
expect(body).to eq("hi")
end
unless defined? JRUBY_VERSION
it 'uses yajl for json' do
respond_with :baz
expect(req(:json)).to be_ok
expect(body).to eq("\"yajl!\"")
end
end
end
describe 'customizing' do
it 'allows customizing' do
respond_with(:foo, :name => 'World') { |f| f.html { 'html!' }}
expect(req(:html)).to be_ok
expect(body).to eq("html!")
end
it 'falls back to default behavior if none matches' do
respond_with(:foo, :name => 'World') { |f| f.json { 'json!' }}
expect(req(:html)).to be_ok
expect(body).to eq("Hello World!")
end
it 'favors generic rule over default behavior' do
respond_with(:foo, :name => 'World') { |f| f.on('*/*') { 'generic!' }}
expect(req(:html)).to be_ok
expect(body).to eq("generic!")
end
end
describe "inherited" do
it "registers RespondWith in an inherited app" do
app = Sinatra.new do
set :app_file, __FILE__
set :views, root + '/respond_with'
register Sinatra::RespondWith
get '/a' do
respond_with :json
end
end
self.app = Sinatra.new(app)
expect(req('/a', :json)).not_to be_ok
end
end
end
describe :respond_to do
it 'acts as global provides condition' do
respond_app do
respond_to :json, :html
get('/a') { 'ok' }
get('/b') { 'ok' }
end
expect(req('/b', :xml)).not_to be_ok
expect(req('/b', :html)).to be_ok
end
it 'still allows provides' do
respond_app do
respond_to :json, :html
get('/a') { 'ok' }
get('/b', :provides => :json) { 'ok' }
end
expect(req('/b', :html)).not_to be_ok
expect(req('/b', :json)).to be_ok
end
it 'plays well with namespaces' do
respond_app do
register Sinatra::Namespace
namespace '/a' do
respond_to :json
get { 'json' }
end
get('/b') { 'anything' }
end
expect(req('/a', :html)).not_to be_ok
expect(req('/b', :html)).to be_ok
end
end
end
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