more tests

tests/multipart_form/dune

@@ -1,4 +1,3 @@
-
 (tests
-  (names t1 t2)
-  (libraries tiny_httpd tiny_httpd.multipart-form-data))
+ (names t_chunk t_parse t_content_type)
+ (libraries tiny_httpd tiny_httpd.multipart-form-data))

tests/multipart_form/t_content_type.expected

@@ -0,0 +1,3 @@
+h: ["content-type": "yolo";"other": "whatev"], no content type
+h ["content-type": "multipart/form-data; boundary=helloworld; junk";"other": "whatev"]: got "helloworld", expected "helloworld", same=true
+h ["content-type": "multipart/form-data; lol=mdr;  boundary=\"some quoted boundary\""]: got "some quoted boundary", expected "some quoted boundary", same=true

tests/multipart_form/t_content_type.ml

@@ -0,0 +1,32 @@
+module MFD = Tiny_httpd_multipart_form_data
+
+let pf = Printf.printf
+let spf = Printf.sprintf
+
+let pp_headers hs =
+  spf "[%s]" (String.concat ";" @@ List.map (fun (k, v) -> spf "%S: %S" k v) hs)
+
+let test_headers h (exp : string option) =
+  match MFD.parse_content_type h, exp with
+  | Some (`boundary c1), Some c2 ->
+    pf "h %s: got %S, expected %S, same=%b\n" (pp_headers h) c1 c2 (c1 = c2)
+  | Some (`boundary c1), None ->
+    pf "h: %s, unexpected content type %S\n" (pp_headers h) c1
+  | None, Some c2 -> pf "h: %s, expected content type %S\n" (pp_headers h) c2
+  | None, None -> pf "h: %s, no content type\n" (pp_headers h)
+
+let () =
+  test_headers [ "content-type", "yolo"; "other", "whatev" ] None;
+  test_headers
+    [
+      "content-type", "multipart/form-data; boundary=helloworld; junk";
+      "other", "whatev";
+    ]
+    (Some "helloworld");
+  test_headers
+    [
+      ( "content-type",
+        "multipart/form-data; lol=mdr;  boundary=\"some quoted boundary\"" );
+    ]
+    (Some "some quoted boundary");
+  ()