Tests: added uri escaping tests to proxy_cache_use_stale.t.

Author: pluknet

proxy_cache_use_stale.t

@@ -50,6 +50,13 @@ http {
             sendfile_max_chunk  4k;
         }
 
+        location /escape {
+            proxy_pass    http://127.0.0.1:8081;
+            proxy_cache   NAME;
+            proxy_cache_background_update  on;
+            add_header X-Cache-Status $upstream_cache_status;
+        }
+
         location / {
             proxy_pass    http://127.0.0.1:8081;
 
@@ -134,8 +141,10 @@ $t->write_file('t6.html', 'SEE-THIS');
 $t->write_file('t7.html', 'SEE-THIS' x 1024);
 $t->write_file('t9.html', 'SEE-THIS' x 1024);
 $t->write_file('ssi.html', 'xxx <!--#include virtual="/t9.html" --> xxx');
+$t->write_file('escape.html', 'SEE-THIS');
+$t->write_file('escape html', 'SEE-THIS');
 
-$t->run()->plan(29);
+$t->run()->plan(33);
 
 ###############################################################################
 
@@ -156,6 +165,8 @@ http_get('/ssi.html');
 get('/updating/t.html', 'max-age=1');
 get('/updating/t2.html', 'max-age=1, stale-while-revalidate=2');
 get('/t8.html', 'stale-while-revalidate=10');
+get('/escape.htm%6C', 'max-age=1, stale-while-revalidate=10');
+get('/escape html', 'max-age=1, stale-while-revalidate=10');
 
 sleep 2;
 
@@ -236,6 +247,25 @@ $t->todo_alerts() if $t->read_file('nginx.conf') =~ /aio_write on/
 like(http_get('/t2.html?if=1'), qr/STALE/, 'background update in if');
 like(http_get('/t2.html?if=1'), qr/HIT/, 'background update in if - updated');
 
+# ticket #1430, uri escaping in cloned subrequests
+
+$t->write_file('escape.html', 'SEE-THAT');
+$t->write_file('escape html', 'SEE-THAT');
+
+get('/escape.htm%6C', 'max-age=1');
+get('/escape html', 'max-age=1');
+
+TODO: {
+local $TODO = 'not yet' unless $t->has_version('1.13.8');
+
+like(http_get('/escape.htm%6C'), qr/HIT/, 'escaped after escaped');
+like(http_get('/escape.html'), qr/MISS/, 'unescaped after escaped');
+like(http_get('/escape html'), qr/HIT/, 'space after escaped space');
+
+}
+
+like(http_get('/escape%20html'), qr/HIT/, 'escaped space after escaped space');
+
 ###############################################################################
 
 sub get {