1 files changed, 54 insertions, 0 deletions
diff --git a/internal/i18n/vocab_test.go b/internal/i18n/vocab_test.go
new file mode 100644
index 0000000..73115bb
--- /dev/null
+++ b/internal/i18n/vocab_test.go
@@ -0,0 +1,54 @@
+package i18n
+
+import (
+	"testing"
+
+	"github.com/lukaszkasprzak/lectio/internal/calendar"
+)
+
+// Every rank and colour the calendar can emit must have a word in every shipped
+// language. This is the guard against adding a constant later and silently
+// rendering a raw key like "class-2" in the UI.
+func TestVocabularyCoversEveryConstant(t *testing.T) {
+	ranks := []calendar.Rank{
+		calendar.RankFerial, calendar.RankOptional, calendar.RankMemorial,
+		calendar.RankFeast, calendar.RankSolemnity,
+		calendar.RankClass1, calendar.RankClass2, calendar.RankClass3,
+		calendar.RankClass4, calendar.RankCommemoration,
+	}
+	colours := []calendar.Colour{
+		calendar.White, calendar.Red, calendar.Green,
+		calendar.Violet, calendar.Rose, calendar.Black,
+	}
+	for _, lang := range []string{"en", "pl"} {
+		ui := Get(lang)
+		for _, r := range ranks {
+			if ui.Rank[string(r)] == "" {
+				t.Errorf("%s: no rank word for %q", lang, r)
+			}
+		}
+		for _, c := range colours {
+			if ui.Colour[string(c)] == "" {
+				t.Errorf("%s: no colour word for %q", lang, c)
+			}
+		}
+	}
+}
+
+// The English rank words must not change: lectio's CLI has printed these since
+// before the table existed, and English users' output should be untouched.
+func TestEnglishRankWordingUnchanged(t *testing.T) {
+	want := map[string]string{
+		"solemnity": "solemnity", "feast": "feast", "memorial": "memorial",
+		"optional": "optional memorial", "ferial": "feria",
+		"class-1": "I class", "class-2": "II class",
+		"class-3": "III class", "class-4": "IV class",
+		"commemoration": "commemoration",
+	}
+	ui := Get("en")
+	for k, v := range want {
+		if got := ui.Rank[k]; got != v {
+			t.Errorf("rank[%q] = %q, want %q", k, got, v)
+		}
+	}
+}