Have a util function to pluralize todo.

1 files changed, 13 insertions, 0 deletions

diff --git a/todolist/util_test.go b/todolist/util_test.go
new file mode 100644
index 0000000..40ecb54
--- /dev/null
+++ b/todolist/util_test.go
@@ -0,0 +1,13 @@
+package todolist
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+)
+
+func TestPluralize(t *testing.T) {
+	assert := assert.New(t)
+	assert.Equal("todo", pluralize(1, "todo", "todos"))
+	assert.Equal("todos", pluralize(2, "todo", "todos"))
+}