lang: add translation tests

1 files changed, 29 insertions, 0 deletions

diff --git a/lang/tests/translations.cpp b/lang/tests/translations.cpp
new file mode 100644
index 0000000..1bb78a5
--- /dev/null
+++ b/lang/tests/translations.cpp
@@ -0,0 +1,29 @@
+#include <catch2/catch_test_macros.hpp>
+#include <catch2/generators/catch_generators.hpp>
+
+#include <libintl.h>
+
+#include <format>
+#include <string>
+
+TEST_CASE("All supported languages have translations")
+{
+  auto message = GENERATE(
+    "Turns",
+    "Add a participant",
+    "No active turn-order",
+    "_Quit"
+  );
+  
+  auto locale = GENERATE(
+    "de_CH.UTF-8",
+    "de_DE.UTF-8",
+    "de_AT.UTF-8"
+  );
+
+  SECTION(std::format("'{}' has a translation in '{}'", message, locale))
+  {
+    setlocale(LC_ALL, locale);
+    REQUIRE(std::string{gettext(message)} != message);
+  }
+}