Multiple language greetings

hello/hello.go

@@ -2,16 +2,29 @@ package main
 
 import "fmt"
 
+const french = "French"
+const spanish = "Spanish"
 const englishHelloPrefix = "Hello, "
+const frenchHelloPrefix = "Bonjour, "
+const spanishHelloPrefix = "Hola, "
 
-func Hello(name string) string {
+func Hello(name string, language string) string {
 	if name == "" {
 		name = "World"
 	}
 
-	return englishHelloPrefix + name
+	prefix := englishHelloPrefix
+
+	switch language {
+	case french:
+		prefix = frenchHelloPrefix
+	case spanish:
+		prefix = spanishHelloPrefix
+	}
+
+	return prefix + name
 }
 
 func main() {
-	fmt.Println(Hello("world"))
+	fmt.Println(Hello("world", ""))
 }

hello/hello_test.go

@@ -4,15 +4,25 @@ import "testing"
 
 func TestHello(t *testing.T) {
 	t.Run("saying hello to people", func(t *testing.T) {
-		got := Hello("Chris")
+		got := Hello("Chris", "")
 		want := "Hello, Chris"
 		assertCorrectMessage(t, got, want)
 	})
 	t.Run("say 'Hello, World' when an empty string is supplied", func(t *testing.T) {
-		got := Hello("")
+		got := Hello("", "")
 		want := "Hello, World"
 		assertCorrectMessage(t, got, want)
 	})
+	t.Run("in Spanish", func(t *testing.T) {
+		got := Hello("Elodie", "Spanish")
+		want := "Hola, Elodie"
+		assertCorrectMessage(t, got, want)
+	})
+	t.Run("in French", func(t *testing.T) {
+		got := Hello("Elise", "French")
+		want := "Bonjour, Elise"
+		assertCorrectMessage(t, got, want)
+	})
 }
 
 func assertCorrectMessage(t testing.TB, got, want string) {