# encoding: utf-8
require 'spec_helper'
module Bullet
describe Rack do
let(:middleware) { Bullet::Rack.new app }
let(:app) { Support::AppDouble.new }
context "#no_browser_cache" do
it "should add no cache meta in http headers" do
headers = {}
middleware.no_browser_cache(headers)
headers["Cache-Control"].should == "no-cache, no-store, max-age=0, must-revalidate"
headers["Pragma"].should == "no-cache"
headers["Expires"].should == "Wed, 09 Sep 2009 09:09:09 GMT"
end
end
context "#html_request?" do
it "should be true if Content-Type is text/html and http body contains html tag" do
headers = {"Content-Type" => "text/html"}
response = stub(:body => "")
middleware.should be_html_request(headers, response)
end
it "should be true if Content-Type is text/html and http body contains html tag with attributes" do
headers = {"Content-Type" => "text/html"}
response = stub(:body => "")
middleware.should be_html_request(headers, response)
end
it "should be false if there is no Content-Type header" do
headers = {}
response = stub(:body => "")
middleware.should_not be_html_request(headers, response)
end
it "should be false if Content-Type is javascript" do
headers = {"Content-Type" => "text/javascript"}
response = stub(:body => "")
middleware.should_not be_html_request(headers, response)
end
it "should be false if response body doesn't contain html tag" do
headers = {"Content-Type" => "text/html"}
response = stub(:body => "Partial
")
middleware.should_not be_html_request(headers, response)
end
end
context "empty?" do
it "should be false if response is a string and not empty" do
response = stub(:body => "")
middleware.should_not be_empty(response)
end
it "should be tru if response is not found" do
response = ["Not Found"]
middleware.should be_empty(response)
end
it "should be true if response body is empty" do
response = stub(:body => "")
middleware.should be_empty(response)
end
end
context "#call" do
context "when Bullet is enabled" do
it "should invoke Bullet.start_request and Bullet.end_request" do
Bullet.should_receive(:start_request)
Bullet.should_receive(:end_request)
middleware.call([])
end
it "should return original response body" do
expected_response = Support::ResponseDouble.new "Actual body"
app.response = expected_response
status, headers, response = middleware.call([])
response.should == expected_response
end
it "should change response body if notification is active" do
Bullet.should_receive(:notification?).and_return(true)
Bullet.should_receive(:gather_inline_notifications).and_return("")
Bullet.should_receive(:perform_out_of_channel_notifications)
status, headers, response = middleware.call([200, {"Content-Type" => "text/html"}])
headers["Content-Length"].should == "56"
response.should == [""]
end
it "should set the right Content-Length if response body contains accents" do
response = Support::ResponseDouble.new
response.body = "é"
app.response = response
Bullet.should_receive(:notification?).and_return(true)
Bullet.should_receive(:gather_inline_notifications).and_return("")
status, headers, response = middleware.call([200, {"Content-Type" => "text/html"}])
headers["Content-Length"].should == "58"
end
end
context "when Bullet is disabled" do
before(:each) { Bullet.stub(:enable?, false) }
it "should not call Bullet.start_request" do
Bullet.should_not_receive(:start_request)
middleware.call([])
end
end
end
end
end