From d2d6aef51000f90f68db6d46fe59533f522fa25a Mon Sep 17 00:00:00 2001
From: wangjohn <wangjohn@mit.edu>
Date: Sun, 14 Jul 2013 18:48:57 -0400
Subject: Creating an SSE class to be used with ActionController::Live.

---
 actionpack/test/controller/live_stream_test.rb | 88 ++++++++++++++++++++++++++
 1 file changed, 88 insertions(+)

(limited to 'actionpack/test/controller/live_stream_test.rb')

diff --git a/actionpack/test/controller/live_stream_test.rb b/actionpack/test/controller/live_stream_test.rb
index 34164a19f0..0a25b5fa28 100644
--- a/actionpack/test/controller/live_stream_test.rb
+++ b/actionpack/test/controller/live_stream_test.rb
@@ -2,6 +2,94 @@ require 'abstract_unit'
 require 'active_support/concurrency/latch'
 
 module ActionController
+  class SSETest < ActionController::TestCase
+    class SSETestController < ActionController::Base
+      include ActionController::Live
+
+      def basic_sse
+        response.headers['Content-Type'] = 'text/event-stream'
+        sse = SSE.new(response.stream)
+        sse.write("{\"name\":\"John\"}")
+        sse.write({ name: "Ryan" })
+      ensure
+        sse.close
+      end
+
+      def sse_with_event
+        sse = SSE.new(response.stream, event: "send-name")
+        sse.write("{\"name\":\"John\"}")
+        sse.write({ name: "Ryan" })
+      ensure
+        sse.close
+      end
+
+      def sse_with_retry
+        sse = SSE.new(response.stream, retry: 1000)
+        sse.write("{\"name\":\"John\"}")
+        sse.write({ name: "Ryan" }, retry: 1500)
+      ensure
+        sse.close
+      end
+
+      def sse_with_id
+        sse = SSE.new(response.stream)
+        sse.write("{\"name\":\"John\"}", id: 1)
+        sse.write({ name: "Ryan" }, id: 2)
+      ensure
+        sse.close
+      end
+    end
+
+    tests SSETestController
+
+    def wait_for_response_stream_close
+      while !response.stream.closed?
+        sleep 0.01
+      end
+    end
+
+    def test_basic_sse
+      get :basic_sse
+
+      wait_for_response_stream_close
+      assert_match(/data: {\"name\":\"John\"}/, response.body)
+      assert_match(/data: {\"name\":\"Ryan\"}/, response.body)
+    end
+
+    def test_sse_with_event_name
+      get :sse_with_event
+
+      wait_for_response_stream_close
+      assert_match(/data: {\"name\":\"John\"}/, response.body)
+      assert_match(/data: {\"name\":\"Ryan\"}/, response.body)
+      assert_match(/event: send-name/, response.body)
+    end
+
+    def test_sse_with_retry
+      get :sse_with_retry
+
+      wait_for_response_stream_close
+      first_response, second_response = response.body.split("\n\n")
+      assert_match(/data: {\"name\":\"John\"}/, first_response)
+      assert_match(/retry: 1000/, first_response)
+
+      assert_match(/data: {\"name\":\"Ryan\"}/, second_response)
+      assert_match(/retry: 1500/, second_response)
+    end
+
+    def test_sse_with_id
+      get :sse_with_id
+
+      wait_for_response_stream_close
+      first_response, second_response = response.body.split("\n\n")
+      assert_match(/data: {\"name\":\"John\"}/, first_response)
+      assert_match(/id: 1/, first_response)
+
+      assert_match(/data: {\"name\":\"Ryan\"}/, second_response)
+      assert_match(/id: 2/, second_response)
+    end
+  end
+
   class LiveStreamTest < ActionController::TestCase
     class TestController < ActionController::Base
       include ActionController::Live
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