Initial commit

main_test.go

@@ -0,0 +1,19 @@
+package main
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/require"
+)
+
+func TestEcho(t *testing.T) {
+	// Test happy path
+	err := echo([]string{"bin-name", "hello", "world!"})
+	require.NoError(t, err)
+}
+
+func TestEchoErrorNoArgs(t *testing.T) {
+	// Test empty arguments
+	err := echo([]string{})
+	require.Error(t, err)
+}