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require 'abstract_unit'
require 'active_support/concurrency/latch'
module ActionController
class LiveStreamTest < ActionController::TestCase
class TestController < ActionController::Base
include ActionController::Live
attr_accessor :latch, :tc
def self.controller_path
'test'
end
def render_text
render :text => 'zomg'
end
def default_header
response.stream.write "<html><body>hi</body></html>"
response.stream.close
end
def basic_stream
response.headers['Content-Type'] = 'text/event-stream'
%w{ hello world }.each do |word|
response.stream.write word
end
response.stream.close
end
def blocking_stream
response.headers['Content-Type'] = 'text/event-stream'
%w{ hello world }.each do |word|
response.stream.write word
latch.await
end
response.stream.close
end
def thread_locals
tc.assert_equal 'aaron', Thread.current[:setting]
tc.assert_not_equal Thread.current.object_id, Thread.current[:originating_thread]
response.headers['Content-Type'] = 'text/event-stream'
%w{ hello world }.each do |word|
response.stream.write word
end
response.stream.close
end
def with_stale
render :text => 'stale' if stale?(:etag => "123")
end
end
tests TestController
class TestResponse < Live::Response
def recycle!
initialize
end
end
def build_response
TestResponse.new
end
def test_set_response!
@controller.set_response!(@request)
assert_kind_of(Live::Response, @controller.response)
assert_equal @request, @controller.response.request
end
def test_write_to_stream
@controller = TestController.new
get :basic_stream
assert_equal "helloworld", @response.body
assert_equal 'text/event-stream', @response.headers['Content-Type']
end
def test_async_stream
@controller.latch = ActiveSupport::Concurrency::Latch.new
parts = ['hello', 'world']
@controller.request = @request
@controller.response = @response
t = Thread.new(@response) { |resp|
resp.stream.each do |part|
assert_equal parts.shift, part
ol = @controller.latch
@controller.latch = ActiveSupport::Concurrency::Latch.new
ol.release
end
}
@controller.process :blocking_stream
assert t.join
end
def test_thread_locals_get_copied
@controller.tc = self
Thread.current[:originating_thread] = Thread.current.object_id
Thread.current[:setting] = 'aaron'
get :thread_locals
end
def test_live_stream_default_header
@controller.request = @request
@controller.response = @response
@controller.process :default_header
_, headers, _ = @response.prepare!
assert headers['Content-Type']
end
def test_render_text
get :render_text
assert_equal 'zomg', response.body
assert response.stream.closed?, 'stream should be closed'
end
def test_stale_without_etag
get :with_stale
assert_equal 200, @response.status.to_i
end
def test_stale_with_etag
@request.if_none_match = Digest::MD5.hexdigest("123")
get :with_stale
assert_equal 304, @response.status.to_i
end
end
end
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