Initial commit

translator_test.go

@@ -0,0 +1,106 @@
+//go:build !i18n_extra
+
+package i18n_test
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+	"golang.org/x/text/language"
+
+	. "github.com/derfenix/goi18n"
+	"github.com/derfenix/goi18n/internal"
+)
+
+var supportedLanguages = []language.Tag{language.Russian, language.English}
+
+func TestPrinter(t *testing.T) {
+	t.Parallel()
+
+	require.NoError(t, Init(internal.TestFS))
+
+	t.Run("translation engaged", func(t *testing.T) {
+		t.Parallel()
+
+		t.Run("russian", func(t *testing.T) {
+			t.Parallel()
+
+			printer := GetPrinter(language.Russian)
+			require.Equal(t, "Тест пива", printer.Sprintf("test", "пива"))
+			assert.Equal(t, "111,223", printer.Sprint(111.223))
+		})
+
+		t.Run("russian (extended)", func(t *testing.T) {
+			t.Parallel()
+
+			printer := GetPrinter(language.MustParse("ru_RU"))
+			require.Equal(t, "Тест пива", printer.Sprintf("test", "пива"))
+			assert.Equal(t, "111,223", printer.Sprint(111.223))
+		})
+
+		t.Run("russian (extended kz)", func(t *testing.T) {
+			t.Parallel()
+
+			printer := GetPrinter(language.MustParse("ru_KZ"))
+			require.Equal(t, "Тест пива", printer.Sprintf("test", "пива"))
+			assert.Equal(t, "111,223", printer.Sprint(111.223))
+		})
+
+		t.Run("english (exactly)", func(t *testing.T) {
+			t.Parallel()
+
+			printer := GetPrinter(language.English)
+			require.Equal(t, "Test of the beer", printer.Sprintf("test", "beer"))
+			assert.Equal(t, "111.223", printer.Sprint(111.223))
+		})
+
+		t.Run("english (dialect)", func(t *testing.T) {
+			t.Parallel()
+
+			printer := GetPrinter(language.AmericanEnglish)
+			require.Equal(t, "Test of the gun", printer.Sprintf("test", "gun"))
+			assert.Equal(t, "111.223", printer.Sprint(111.223))
+		})
+
+		t.Run("unsupported language", func(t *testing.T) {
+			t.Parallel()
+
+			printer := GetPrinter(language.Albanian)
+			require.Equal(t, "Тест пива", printer.Sprintf("test", "пива"))
+			assert.Equal(t, "111,223", printer.Sprint(111.223))
+		})
+
+		t.Run("plural", func(t *testing.T) {
+			t.Parallel()
+
+			t.Run("russian", func(t *testing.T) {
+				t.Parallel()
+
+				printer := GetPrinter(language.Russian)
+				assert.Equal(t, "всего 100 пауков", printer.Sprintf("test plural", 100))
+				assert.Equal(t, "нет пауков", printer.Sprintf("test plural", 0))
+				assert.Equal(t, "паучок", printer.Sprintf("test plural", 1))
+				assert.Equal(t, "всего пара пауков", printer.Sprintf("test plural", 2))
+			})
+
+			t.Run("english", func(t *testing.T) {
+				t.Parallel()
+
+				printer := GetPrinter(language.English)
+				assert.Equal(t, "exactly 100 spiders", printer.Sprintf("test plural", 100))
+				assert.Equal(t, "no spiders", printer.Sprintf("test plural", 0))
+				assert.Equal(t, "spider", printer.Sprintf("test plural", 1))
+				assert.Equal(t, "just pair of spiders", printer.Sprintf("test plural", 2))
+			})
+		})
+	})
+
+	t.Run("languages ok", func(t *testing.T) {
+		t.Parallel()
+
+		languages := GetLanguages()
+		require.Len(t, languages, len(supportedLanguages))
+		require.ElementsMatch(t, supportedLanguages, languages)
+	})
+}