package main

import (
	"bytes"
	"strings"
	"testing"
)

func TestGreeterHelloPrintsAppName(t *testing.T) {
	var buf bytes.Buffer
	if err := run([]string{"greeter:hello"}, &buf); err != nil {
		t.Fatalf("greeter:hello: %v", err)
	}
	if got := strings.TrimSpace(buf.String()); got != "hello-app" {
		t.Fatalf("output = %q, want %q", got, "hello-app")
	}
}