Add language tests

language/language_test.go

@@ -0,0 +1,14 @@
+package language
+
+import (
+	"github.com/stretchr/testify/assert"
+	"testing"
+)
+
+func TestToGoogleLanguageList(t *testing.T) {
+	msList := []byte(`{"translation":{"af":{"name":"Afrikaans","nativeName":"Afrikaans","dir":"ltr"},"en":{"name":"English","nativeName":"English","dir":"ltr"}}}`)
+	googleList := []byte(`{"sl":{"af":"Afrikaans","en":"English"},"tl":{"af":"Afrikaans","en":"English"}}`)
+	list, err := ToGoogleLanguageList(msList)
+	assert.Equal(t, nil, err)
+	assert.Equal(t, googleList, list)
+}