feat: string utils

stringutil/replace_test.go

@@ -0,0 +1,38 @@
+package stringutil
+
+import (
+	"github.com/stretchr/testify/assert"
+	"testing"
+)
+
+func TestReplaceJSONField(t *testing.T) {
+	// 测试替换单个字段
+	jsonStr := `{"tenantId": "123", "name": "test"}`
+	result := ReplaceJSONField("tenantId", "456", jsonStr)
+	expected := `{"tenantId": "456", "name": "test"}`
+	assert.Equal(t, expected, result)
+
+	// 测试替换多个字段
+	jsonStr = `{"tenantId": "123", "tenant_id": "789", "name": "test"}`
+	result = ReplaceJSONField("tenantId|tenant_id", "456", jsonStr)
+	expected = `{"tenantId": "456", "tenant_id": "456", "name": "test"}`
+	assert.Equal(t, expected, result)
+
+	// 测试字段不存在
+	jsonStr = `{"name": "test"}`
+	result = ReplaceJSONField("tenantId", "456", jsonStr)
+	expected = `{"name": "test"}`
+	assert.Equal(t, expected, result)
+
+	// 测试空 JSON 字符串
+	jsonStr = ``
+	result = ReplaceJSONField("tenantId", "456", jsonStr)
+	expected = ``
+	assert.Equal(t, expected, result)
+
+	// 测试空字段名
+	jsonStr = `{"tenantId": "123"}`
+	result = ReplaceJSONField("", "456", jsonStr)
+	expected = `{"tenantId": "123"}`
+	assert.Equal(t, expected, result)
+}