1 files changed, 27 insertions, 5 deletions

diff --git a/tests/core/string/test_translation.h b/tests/core/string/test_translation.h
index 3519f3050b..bf9674d6b1 100644
--- a/tests/core/string/test_translation.h
+++ b/tests/core/string/test_translation.h
@@ -151,7 +151,7 @@ TEST_CASE("[OptimizedTranslation] Generate from Translation and read messages")
 }
 
 #ifdef TOOLS_ENABLED
-TEST_CASE("[Translation] CSV import") {
+TEST_CASE("[TranslationCSV] CSV import") {
 	Ref<ResourceImporterCSVTranslation> import_csv_translation = memnew(ResourceImporterCSVTranslation);
 
 	HashMap<StringName, Variant> options;
@@ -163,17 +163,39 @@ TEST_CASE("[Translation] CSV import") {
 	Error result = import_csv_translation->import(TestUtils::get_data_path("translations.csv"),
 			"", options, nullptr, &gen_files);
 	CHECK(result == OK);
-	CHECK(gen_files.size() == 2);
+	CHECK(gen_files.size() == 4);
+
+	TranslationServer *ts = TranslationServer::get_singleton();
 
 	for (const String &file : gen_files) {
 		Ref<Translation> translation = ResourceLoader::load(file);
 		CHECK(translation.is_valid());
-		TranslationServer::get_singleton()->add_translation(translation);
+		ts->add_translation(translation);
 	}
 
-	TranslationServer::get_singleton()->set_locale("de");
+	ts->set_locale("en");
+
+	// `tr` can be called on any Object, we reuse TranslationServer for convenience.
+	CHECK(ts->tr("GOOD_MORNING") == "Good Morning");
+	CHECK(ts->tr("GOOD_EVENING") == "Good Evening");
+
+	ts->set_locale("de");
+
+	CHECK(ts->tr("GOOD_MORNING") == "Guten Morgen");
+	CHECK(ts->tr("GOOD_EVENING") == "Good Evening"); // Left blank in CSV, should source from 'en'.
+
+	ts->set_locale("ja");
+
+	CHECK(ts->tr("GOOD_MORNING") == String::utf8("おはよう"));
+	CHECK(ts->tr("GOOD_EVENING") == String::utf8("こんばんは"));
+
+	/* FIXME: This passes, but triggers a chain reaction that makes test_viewport
+	 * and test_text_edit explode in a billion glittery Unicode particles.
+	ts->set_locale("fa");
 
-	CHECK(Object().tr("GOOD_MORNING", "") == "Guten Morgen");
+	CHECK(ts->tr("GOOD_MORNING") == String::utf8("صبح بخیر"));
+	CHECK(ts->tr("GOOD_EVENING") == String::utf8("عصر بخیر"));
+	*/
 }
 #endif // TOOLS_ENABLED