fix: unittests

tests/http_get_mapping_tests.cpp

@@ -0,0 +1,49 @@
+#include <doctest/doctest.h>
+
+#include "ccm/util/HttpGetMapping.hpp"
+
+using namespace ccm;
+
+TEST_SUITE("mapHttpGetResponse") {
+    TEST_CASE("curl transport error ignores HTTP status and body") {
+        const auto out =
+            mapHttpGetResponse(true, "connection refused", 0, "ignored", "http://x");
+        REQUIRE(out.isErr());
+        CHECK(out.error() == "HTTP error: connection refused");
+    }
+
+    TEST_CASE("HTTP status below 200 is an error") {
+        const auto out =
+            mapHttpGetResponse(false, {}, 199, "body", "http://example/a");
+        REQUIRE(out.isErr());
+        CHECK(out.error() == "HTTP 199 from http://example/a");
+    }
+
+    TEST_CASE("HTTP status 200 returns body") {
+        const auto out =
+            mapHttpGetResponse(false, {}, 200, "payload", "http://example/a");
+        REQUIRE(out.isOk());
+        CHECK(out.value() == "payload");
+    }
+
+    TEST_CASE("HTTP status 299 returns body") {
+        const auto out =
+            mapHttpGetResponse(false, {}, 299, "ok", "http://example/a");
+        REQUIRE(out.isOk());
+        CHECK(out.value() == "ok");
+    }
+
+    TEST_CASE("HTTP status 300 and above is an error") {
+        const auto out =
+            mapHttpGetResponse(false, {}, 300, "redirect", "http://example/a");
+        REQUIRE(out.isErr());
+        CHECK(out.error() == "HTTP 300 from http://example/a");
+    }
+
+    TEST_CASE("HTTP 404 formats URL into message") {
+        const auto out =
+            mapHttpGetResponse(false, {}, 404, "", "https://api.example/r");
+        REQUIRE(out.isErr());
+        CHECK(out.error() == "HTTP 404 from https://api.example/r");
+    }
+}