require File.expand_path('../helper', __FILE__) class BeforeFilterTest < Minitest::Test it "executes filters in the order defined" do count = 0 mock_app do get('/') { 'Hello World' } before do assert_equal 0, count count = 1 end before do assert_equal 1, count count = 2 end end get '/' assert ok? assert_equal 2, count assert_equal 'Hello World', body end it "can modify the request" do mock_app do get('/foo') { 'foo' } get('/bar') { 'bar' } before { request.path_info = '/bar' } end get '/foo' assert ok? assert_equal 'bar', body end it "can modify instance variables available to routes" do mock_app do before { @foo = 'bar' } get('/foo') { @foo } end get '/foo' assert ok? assert_equal 'bar', body end it "allows redirects" do mock_app do before { redirect '/bar' } get('/foo') do fail 'before block should have halted processing' 'ORLY?!' end end get '/foo' assert redirect? assert_equal 'http://example.org/bar', response['Location'] assert_equal '', body end it "does not modify the response with its return value" do mock_app do before { 'Hello World!' } get('/foo') do assert_equal [], response.body 'cool' end end get '/foo' assert ok? assert_equal 'cool', body end it "does modify the response with halt" do mock_app do before { halt 302, 'Hi' } get '/foo' do "should not happen" end end get '/foo' assert_equal 302, response.status assert_equal 'Hi', body end it "gives you access to params" do mock_app do before { @foo = params['foo'] } get('/foo') { @foo } end get '/foo?foo=cool' assert ok? assert_equal 'cool', body end it "properly unescapes parameters" do mock_app do before { @foo = params['foo'] } get('/foo') { @foo } end get '/foo?foo=bar%3Abaz%2Fbend' assert ok? assert_equal 'bar:baz/bend', body end it "runs filters defined in superclasses" do base = Class.new(Sinatra::Base) base.before { @foo = 'hello from superclass' } mock_app(base) { get('/foo') { @foo } } get '/foo' assert_equal 'hello from superclass', body end it 'does not run before filter when serving static files' do ran_filter = false mock_app do before { ran_filter = true } set :static, true set :public_folder, __dir__ end get "/#{File.basename(__FILE__)}" assert ok? assert_equal File.read(__FILE__), body assert !ran_filter end it 'takes an optional route pattern' do ran_filter = false mock_app do before("/b*") { ran_filter = true } get('/foo') { } get('/bar') { } end get '/foo' assert !ran_filter get '/bar' assert ran_filter end it 'generates block arguments from route pattern' do subpath = nil mock_app do before("/foo/:sub") { |s| subpath = s } get('/foo/*') { } end get '/foo/bar' assert_equal subpath, 'bar' end it 'can catch exceptions in before filters and handle them properly' do doodle = '' mock_app do before do doodle += 'This begins' raise StandardError, "before" end get "/" do doodle = 'and runs' end error 500 do "Error handled #{env['sinatra.error'].message}" end end doodle = '' get '/' assert_equal 'Error handled before', body assert_equal 'This begins', doodle end end class AfterFilterTest < Minitest::Test it "executes before and after filters in correct order" do invoked = 0 mock_app do before { invoked = 2 } get('/') { invoked += 2; 'hello' } after { invoked *= 2 } end get '/' assert ok? assert_equal 8, invoked end it "executes filters in the order defined" do count = 0 mock_app do get('/') { 'Hello World' } after do assert_equal 0, count count = 1 end after do assert_equal 1, count count = 2 end end get '/' assert ok? assert_equal 2, count assert_equal 'Hello World', body end it "allows redirects" do mock_app do get('/foo') { 'ORLY' } after { redirect '/bar' } end get '/foo' assert redirect? assert_equal 'http://example.org/bar', response['Location'] assert_equal '', body end it "does not modify the response with its return value" do mock_app do get('/foo') { 'cool' } after { 'Hello World!' } end get '/foo' assert ok? assert_equal 'cool', body end it "does modify the response with halt" do mock_app do get '/foo' do "should not be returned" end after { halt 302, 'Hi' } end get '/foo' assert_equal 302, response.status assert_equal 'Hi', body end it "runs filters defined in superclasses" do count = 2 base = Class.new(Sinatra::Base) base.after { count *= 2 } mock_app(base) do get('/foo') do count += 2 "ok" end end get '/foo' assert_equal 8, count end it "respects content type set in superclass filter" do base = Class.new(Sinatra::Base) base.before { content_type :json } mock_app(base) do get('/foo'){ {foo: :bar}.to_json } end get '/foo' assert_equal 'application/json', response.headers['Content-Type'] end it 'does not run after filter when serving static files' do ran_filter = false mock_app do after { ran_filter = true } set :static, true set :public_folder, __dir__ end get "/#{File.basename(__FILE__)}" assert ok? assert_equal File.read(__FILE__), body assert !ran_filter end it 'takes an optional route pattern' do ran_filter = false mock_app do after("/b*") { ran_filter = true } get('/foo') { } get('/bar') { } end get '/foo' assert !ran_filter get '/bar' assert ran_filter end it 'changes to path_info from a pattern matching before filter are respected when routing' do mock_app do before('/foo') { request.path_info = '/bar' } get('/bar') { 'blah' } end get '/foo' assert ok? assert_equal 'blah', body end it 'generates block arguments from route pattern' do subpath = nil mock_app do after("/foo/:sub") { |s| subpath = s } get('/foo/*') { } end get '/foo/bar' assert_equal subpath, 'bar' end it 'is possible to access url params from the route param' do ran = false mock_app do get('/foo/*') { } before('/foo/:sub') do assert_equal params[:sub], 'bar' ran = true end end get '/foo/bar' assert ran end it 'is possible to apply host_name conditions to before filters with no path' do ran = false mock_app do before(:host_name => 'example.com') { ran = true } get('/') { 'welcome' } end get('/', {}, { 'HTTP_HOST' => 'example.org' }) assert !ran get('/', {}, { 'HTTP_HOST' => 'example.com' }) assert ran end it 'is possible to apply host_name conditions to before filters with a path' do ran = false mock_app do before('/foo', :host_name => 'example.com') { ran = true } get('/') { 'welcome' } end get('/', {}, { 'HTTP_HOST' => 'example.com' }) assert !ran get('/foo', {}, { 'HTTP_HOST' => 'example.org' }) assert !ran get('/foo', {}, { 'HTTP_HOST' => 'example.com' }) assert ran end it 'is possible to apply host_name conditions to after filters with no path' do ran = false mock_app do after(:host_name => 'example.com') { ran = true } get('/') { 'welcome' } end get('/', {}, { 'HTTP_HOST' => 'example.org' }) assert !ran get('/', {}, { 'HTTP_HOST' => 'example.com' }) assert ran end it 'is possible to apply host_name conditions to after filters with a path' do ran = false mock_app do after('/foo', :host_name => 'example.com') { ran = true } get('/') { 'welcome' } end get('/', {}, { 'HTTP_HOST' => 'example.com' }) assert !ran get('/foo', {}, { 'HTTP_HOST' => 'example.org' }) assert !ran get('/foo', {}, { 'HTTP_HOST' => 'example.com' }) assert ran end it 'is possible to apply user_agent conditions to before filters with no path' do ran = false mock_app do before(:user_agent => /foo/) { ran = true } get('/') { 'welcome' } end get('/', {}, { 'HTTP_USER_AGENT' => 'bar' }) assert !ran get('/', {}, { 'HTTP_USER_AGENT' => 'foo' }) assert ran end it 'is possible to apply user_agent conditions to before filters with a path' do ran = false mock_app do before('/foo', :user_agent => /foo/) { ran = true } get('/') { 'welcome' } end get('/', {}, { 'HTTP_USER_AGENT' => 'foo' }) assert !ran get('/foo', {}, { 'HTTP_USER_AGENT' => 'bar' }) assert !ran get('/foo', {}, { 'HTTP_USER_AGENT' => 'foo' }) assert ran end it 'can add params' do mock_app do before { params['foo'] = 'bar' } get('/') { params['foo'] } end get '/' assert_body 'bar' end it 'can add params on a single path' do mock_app do before('/hi'){ params['foo'] = 'bar' } get('/hi') { params['foo'] } end get '/hi' assert_body 'bar' end # ref: issue #1567 it 'can add params on named parameters path' do mock_app do before('/:id/hi'){ params['foo'] = 'bar' } get('/:id/hi') { params['foo'] } end get '/:id/hi' assert_body 'bar' end it 'can remove params' do mock_app do before { params.delete('foo') } get('/') { params['foo'].to_s } end get '/?foo=bar' assert_body '' end it 'is possible to apply user_agent conditions to after filters with no path' do ran = false mock_app do after(:user_agent => /foo/) { ran = true } get('/') { 'welcome' } end get('/', {}, { 'HTTP_USER_AGENT' => 'bar' }) assert !ran get('/', {}, { 'HTTP_USER_AGENT' => 'foo' }) assert ran end it 'is possible to apply user_agent conditions to after filters with a path' do ran = false mock_app do after('/foo', :user_agent => /foo/) { ran = true } get('/') { 'welcome' } end get('/', {}, { 'HTTP_USER_AGENT' => 'foo' }) assert !ran get('/foo', {}, { 'HTTP_USER_AGENT' => 'bar' }) assert !ran get('/foo', {}, { 'HTTP_USER_AGENT' => 'foo' }) assert ran end it 'only triggers provides condition if conforms with current Content-Type' do mock_app do before(:provides => :txt) { @type = 'txt' } before(:provides => :html) { @type = 'html' } get('/') { @type } end get('/', {}, { 'HTTP_ACCEPT' => '*/*' }) assert_body 'txt' end it 'can catch exceptions in after filters and handle them properly' do doodle = '' mock_app do after do doodle += ' and after' raise StandardError, "after" end get "/foo" do doodle = 'Been now' raise StandardError, "now" end get "/" do doodle = 'Been now' end error 500 do "Error handled #{env['sinatra.error'].message}" end end get '/foo' assert_equal 'Error handled now', body assert_equal 'Been now and after', doodle doodle = '' get '/' assert_equal 'Error handled after', body assert_equal 'Been now and after', doodle end end