test: Add tests for "Not found" cases

Author: Julow

test/extensions/deflatemod.t/run.t

@@ -14,6 +14,16 @@
   ocsigen:local-file: [INFO] Testing "./index.html".
   ocsigen:local-file: [INFO] checking if file index.html can be sent
   ocsigen:local-file: [INFO] Returning "./index.html".
+  ocsigen:access:  connection for local-test from unix:// (): /empty_dir/
+  ocsigen:ext: [INFO] host found! local-test:0 matches .* 
+  ocsigen:ext:staticmod: [INFO] Is it a static file?
+  ocsigen:local-file: [INFO] Testing "./empty_dir/".
+  ocsigen:local-file: [INFO] Testing "./empty_dir/index.html" as possible index.
+  ocsigen:local-file: [INFO] No index and no listing
+  ocsigen:access:  connection for local-test from unix:// (): /doesnt_exists.html
+  ocsigen:ext: [INFO] host found! local-test:0 matches .* 
+  ocsigen:ext:staticmod: [INFO] Is it a static file?
+  ocsigen:local-file: [INFO] Testing "./doesnt_exists.html".
   application: [WARNING] Command received: shutdown
 
 First response is not compressed:
@@ -37,3 +47,19 @@ Second response is compressed:
   transfer-encoding: chunked
 
   Hello world
+
+Querying a directory or a non-existing file should give "Not found" without
+compression:
+
+  $ mkdir empty_dir && curl_ empty_dir/ --compressed
+  HTTP/1.1 404 Not Found
+  content-length: 16
+  server: Ocsigen
+  
+  Error: Not Found
+  $ curl_ doesnt_exists.html --compressed
+  HTTP/1.1 404 Not Found
+  content-length: 16
+  server: Ocsigen
+  
+  Error: Not Found