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require 'spec_helper'
describe "Subscriber Properties" do
shared_examples_for "polling location" do
describe "when has no messages" do
it "should receive a 304" do
channel = 'ch_test_receive_a_304_when_has_no_messages'
nginx_run_server(config) do |conf|
EventMachine.run do
sub_1 = EventMachine::HttpRequest.new(nginx_address + '/sub/' + channel.to_s).get :head => headers
sub_1.callback do
expect(sub_1).to be_http_status(304).without_body
expect(sub_1.response_header['LAST_MODIFIED'].to_s).to eql("")
expect(sub_1.response_header['ETAG'].to_s).to eql("")
EventMachine.stop
end
end
end
end
it "should receive a 304 keeping sent headers" do
channel = 'ch_test_receive_a_304_when_has_no_messages_keeping_headers'
sent_headers = headers.merge({'If-Modified-Since' => Time.now.utc.strftime("%a, %d %b %Y %T %Z"), 'If-None-Match' => 'W/3'})
nginx_run_server(config) do |conf|
EventMachine.run do
sub_1 = EventMachine::HttpRequest.new(nginx_address + '/sub/' + channel.to_s).get :head => sent_headers
sub_1.callback do
expect(sub_1).to be_http_status(304).without_body
expect(Time.parse(sub_1.response_header['LAST_MODIFIED'].to_s)).to eql(Time.parse(sent_headers['If-Modified-Since']))
expect(sub_1.response_header['ETAG'].to_s).to eql(sent_headers['If-None-Match'])
EventMachine.stop
end
end
end
end
end
describe "when has messages" do
it "should receive specific headers" do
channel = 'ch_test_receive_specific_headers_when_has_messages'
body = 'body'
nginx_run_server(config) do |conf|
EventMachine.run do
publish_message(channel, {}, body)
sub_1 = EventMachine::HttpRequest.new(nginx_address + '/sub/' + channel.to_s).get :head => headers.merge({'If-Modified-Since' => Time.at(0).utc.strftime("%a, %d %b %Y %T %Z")})
sub_1.callback do
expect(sub_1).to be_http_status(200)
expect(sub_1.response_header['LAST_MODIFIED'].to_s).not_to eql("")
expect(sub_1.response_header['ETAG'].to_s).to eql("W/1")
expect(sub_1.response).to eql("#{body}")
EventMachine.stop
end
end
end
end
it "should accept a callback parameter to works with JSONP" do
channel = 'ch_test_return_message_using_function_name_specified_in_callback_parameter_when_polling'
body = 'body'
response = ""
callback_function_name = "callback_function"
nginx_run_server(config) do |conf|
EventMachine.run do
publish_message(channel, {}, body)
sub_1 = EventMachine::HttpRequest.new(nginx_address + '/sub/' + channel.to_s + '?callback=' + callback_function_name).get :head => headers.merge({'If-Modified-Since' => Time.at(0).utc.strftime("%a, %d %b %Y %T %Z")})
sub_1.callback do
expect(sub_1.response).to eql("#{callback_function_name}([#{body}]);")
EventMachine.stop
end
end
end
end
it "should return old messages using function name specified in callback parameter grouping in one answer" do
channel = 'ch_test_return_old_messages_using_function_name_specified_in_callback_parameter_grouping_in_one_answer'
body = 'body'
response = ""
callback_function_name = "callback_function"
nginx_run_server(config) do |conf|
EventMachine.run do
publish_message(channel, {'Event-Id' => 'event_id'}, body)
publish_message(channel, {}, body + "1")
sub_1 = EventMachine::HttpRequest.new(nginx_address + '/sub/' + channel.to_s + '.b2' + '?callback=' + callback_function_name).get :head => headers
sub_1.callback do
expect(sub_1.response).to eql("#{callback_function_name}([#{body},#{body + "1"}]);")
sub_2 = EventMachine::HttpRequest.new(nginx_address + '/sub/' + channel.to_s + '?callback=' + callback_function_name).get :head => headers.merge({'Last-Event-Id' => 'event_id'})
sub_2.callback do
expect(sub_2.response).to eql("#{callback_function_name}([#{body + "1"}]);")
sub_3 = EventMachine::HttpRequest.new(nginx_address + '/sub/' + channel.to_s + '?callback=' + callback_function_name).get :head => headers.merge({'If-Modified-Since' => Time.at(0).utc.strftime("%a, %d %b %Y %T %Z")})
sub_3.callback do
expect(sub_3.response).to eql("#{callback_function_name}([#{body},#{body + "1"}]);")
EventMachine.stop
end
end
end
end
end
end
it "should force content_type to be application/javascript when using function name specified in callback parameter" do
channel = 'test_force_content_type_to_be_application_javascript_when_using_function_name_specified_in_callback_parameter_when_polling'
body = 'body'
response = ""
callback_function_name = "callback_function"
nginx_run_server(config.merge({:content_type => "anything/value"})) do |conf|
EventMachine.run do
publish_message(channel, {}, body)
sent_headers = headers.merge({'accept' => 'otherknown/value'})
sub_1 = EventMachine::HttpRequest.new(nginx_address + '/sub/' + channel.to_s + '?callback=' + callback_function_name).get :head => sent_headers
sub_1.callback do
expect(sub_1.response_header['CONTENT_TYPE']).to eql('application/javascript')
EventMachine.stop
end
end
end
end
it "should accept return content gzipped" do
channel = 'ch_test_get_content_gzipped'
body = 'body'
actual_response = ''
nginx_run_server(config.merge({:gzip => "on"})) do |conf|
EventMachine.run do
publish_message(channel, {}, body)
sent_headers = headers.merge({'accept-encoding' => 'gzip, compressed', 'If-Modified-Since' => Time.at(0).utc.strftime("%a, %d %b %Y %T %Z")})
sub_1 = EventMachine::HttpRequest.new(nginx_address + '/sub/' + channel.to_s).get :head => sent_headers, :decoding => false
sub_1.stream do |chunk|
actual_response << chunk
end
sub_1.callback do
expect(sub_1).to be_http_status(200)
expect(sub_1.response_header["ETAG"]).to match(/W\/\d+/)
expect(sub_1.response_header["CONTENT_ENCODING"]).to eql("gzip")
actual_response = Zlib::GzipReader.new(StringIO.new(actual_response)).read
expect(actual_response).to eql("#{body}")
EventMachine.stop
end
end
end
end
end
it "should not cache the response" do
channel = 'ch_test_not_cache_the_response'
nginx_run_server(config) do |conf|
EventMachine.run do
sub_1 = EventMachine::HttpRequest.new(nginx_address + '/sub/' + channel.to_s).get :head => headers
sub_1.callback do
expect(sub_1.response_header["EXPIRES"]).to eql("Thu, 01 Jan 1970 00:00:01 GMT")
expect(sub_1.response_header["CACHE_CONTROL"]).to eql("no-cache, no-store, must-revalidate")
EventMachine.stop
end
end
end
end
end
context "when using subscriber push mode config" do
let(:config) do
{
:ping_message_interval => nil,
:header_template => nil,
:footer_template => nil,
:message_template => nil,
:subscriber_mode => 'polling'
}
end
let(:headers) do
{'accept' => 'text/html'}
end
it_should_behave_like "polling location"
end
context "when using push mode header" do
let(:config) do
{
:ping_message_interval => nil,
:header_template => nil,
:footer_template => nil,
:message_template => nil,
:subscriber_mode => nil
}
end
let(:headers) do
{'accept' => 'text/html', 'X-Nginx-PushStream-Mode' => 'polling'}
end
it_should_behave_like "polling location"
end
end
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