test(test-test): add test

pkg/lru/lru/lru.go

@@ -0,0 +1,17 @@
+package lru
+
+import (
+	"strconv"
+	"time"
+)
+
+// 保证所有函数和变量最小作用域
+
+func Test(a int) (string, error) {
+	// awd
+	return strconv.Itoa(a), nil
+}
+
+func Nows() string {
+	return time.Now().Format("2006-01-02")
+}

pkg/lru/lru/lru_test.go

@@ -0,0 +1,18 @@
+package lru
+
+import (
+	"github.com/stretchr/testify/require"
+	"testing"
+)
+
+func TestTest(t *testing.T) {
+	ts , err := Test(2)
+	require.NoError(t, err)
+	require.Regexp(t, `\d`, ts)
+	ts, err = Test(3)
+	require.NoError(t, err)
+	require.Equal(t, "3", ts)
+
+	require.Regexp(t, `\d{4}-\d{2}-\d{2}`, Nows())
+
+}