[Test] Add unit tests

src/libserver/http/http_message.c

 	}
 
 	return msg->port == 80;
+}
+
+const gchar *rspamd_http_message_get_url(struct rspamd_http_message *msg, gsize *len)
+{
+	if (msg->url) {
+		*len = msg->url->len;
+		return msg->url->str;
+	}
+
+	return NULL;
 }

src/libserver/http/http_message.h

-/*-
- * Copyright 2019 Vsevolod Stakhov
+/*
+ * Copyright 2024 Vsevolod Stakhov
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
- *   http://www.apache.org/licenses/LICENSE-2.0
+ *    http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  */
 bool rspamd_http_message_is_standard_port(struct rspamd_http_message *msg);
 
+const gchar *rspamd_http_message_get_url(struct rspamd_http_message *msg, gsize *len);
+
 #ifdef __cplusplus
 }
 #endif

test/rspamd_cxx_unit_utils.hxx

 /*
- * Copyright 2023 Vsevolod Stakhov
+ * Copyright 2024 Vsevolod Stakhov
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
 #include "libmime/mime_headers.h"
 #include "contrib/libottery/ottery.h"
 #include "libcryptobox/cryptobox.h"
+#include "libserver/http/http_message.h"
 
 #include <vector>
 #include <utility>
 			}
 		}
 	}
+
+	TEST_CASE("rspamd_http_message_from_url")
+	{
+		std::vector<std::pair<std::string, std::string>> cases{
+			{"http://example.com", "/"},
+			{"http://example.com/", "/"},
+			{"http://example.com/lol", "/lol"},
+			{"http://example.com/lol#keke", "/lol"},
+			{"http://example.com/lol?omg=huh&oh", "/lol?omg=huh&oh"},
+			{"http://example.com/lol?omg=huh&oh#", "/lol?omg=huh&oh"},
+			{"http://example.com/lol?omg=huh&oh#keke", "/lol?omg=huh&oh"},
+			{"http://example.com/lol?", "/lol"},
+			{"http://example.com/lol?#", "/lol"},
+		};
+
+		for (const auto &c: cases) {
+			SUBCASE(("rspamd_http_message_from_url: " + c.first).c_str())
+			{
+				auto *msg = rspamd_http_message_from_url(c.first.c_str());
+				std::size_t nlen;
+				auto *path = rspamd_http_message_get_url(msg, &nlen);
+				CHECK(std::string{path, nlen} == c.second);
+				rspamd_http_message_unref(msg);
+			}
+		}
+	}
 }
 
 #endif