More work on repeated string summarization.

internal/app/punctuation_test.go

@@ -75,16 +75,24 @@ func TestPackageProgressBarSpeechKeepsOriginalClipboardText(t *testing.T) {
 	settings.Reading.RepeatedSymbols = true
 	voice := &fakeVoice{}
 	echo := &echoSpeaker{Speaker: voice, punctuation: processor, punctuationLevel: "some", settings: &settings}
-	text := "(123/189) upgrading nodejs-lts-jod" + strings.Repeat(" ", 157) + "[" + strings.Repeat("#", 120) + "] 100%"
-	echo.Say(text)
-	if len(voice.messages) != 1 {
-		t.Fatal("missing progress speech", voice.messages)
-	}
-	if got := strings.Join(strings.Fields(voice.messages[0]), " "); got != "123 slash 189 upgrading nodejs dash lts dash jod 120 number 100" {
-		t.Fatal("progress bar did not summarize", got)
-	}
-	if echo.last != text {
-		t.Fatal("clipboard echo lost original progress bar", echo.last)
+	for _, trial := range []struct{ bar, want string }{
+		{strings.Repeat("#", 120), "120 number"},
+		{strings.Repeat("#", 110) + strings.Repeat("-", 10), "110 number 10 dash"},
+		{strings.Repeat("#", 90) + strings.Repeat("-", 10), "90 number 10 dash"},
+	} {
+		voice.messages = nil
+		text := "(123/189) upgrading nodejs-lts-jod" + strings.Repeat(" ", 157) + "[" + trial.bar + "] 100%"
+		echo.Say(text)
+		if len(voice.messages) != 1 {
+			t.Fatal("missing progress speech", voice.messages)
+		}
+		want := "123 slash 189 upgrading nodejs dash lts dash jod " + trial.want + " 100 percent"
+		if got := strings.Join(strings.Fields(voice.messages[0]), " "); got != want {
+			t.Fatal("progress bar did not summarize", got)
+		}
+		if echo.last != text {
+			t.Fatal("clipboard echo lost original progress bar", echo.last)
+		}
 	}
 }