.Net下WireMock API测试：如何匹配动态RequestReference参数？

你之前用*作为通配符无效，是因为WithBodyAsJson默认是精确匹配，普通字符串里的*只会被当成普通字符处理。下面是几种可行的解决方法：

方法1：部分JSON匹配（最简便） #

创建请求对象时，将RequestReference设为null（或不赋值），然后开启WireMock的部分匹配模式，这样它只会校验非null的字段，完全忽略RequestReference的具体值：

var response = new Response
{
    CustomerId = CustomerReference,
    CustomerEmail = _customerInfo.EmailAddress,
    CustomerName = _customerInfo.FirstName + " " + _customerInfo.LastName,
    RequestDate = DateTime.UtcNow
};

// 请求对象不设置RequestReference（或设为null）
var request = new Request
{
    CustomerEmail = customerEmail,
    CustomerId = customerId,
    CustomerName = customerName,
    RequestReference = null
};

WireMockApiFake
    .Given(Request.Create()
        .WithPath("/api/customer")
        .UsingPost()
        // 开启部分匹配，只校验非null字段
        .WithBodyAsJson(request, MatchBehaviour.AcceptOnMatch, JsonMatchMode.Partial))
    .RespondWith(Response.Create()
        .WithStatusCode(HttpStatusCode.OK)
        .WithBodyAsJson(response));

方法2：JsonPath表达式匹配 #

通过JsonPath精确指定需要匹配的字段，同时允许RequestReference为任意值：

var response = new Response
{
    CustomerId = CustomerReference,
    CustomerEmail = _customerInfo.EmailAddress,
    CustomerName = _customerInfo.FirstName + " " + _customerInfo.LastName,
    RequestDate = DateTime.UtcNow
};

WireMockApiFake
    .Given(Request.Create()
        .WithPath("/api/customer")
        .UsingPost()
        // 用JsonPath匹配固定字段，忽略RequestReference的具体值
        .WithBody(x => x.JsonPath($"$.CustomerId == '{customerId}' && $.CustomerEmail == '{customerEmail}' && $.CustomerName == '{customerName}'")))
    .RespondWith(Response.Create()
        .WithStatusCode(HttpStatusCode.OK)
        .WithBodyAsJson(response));

方法3：自定义匹配器（灵活度最高） #

如果需要更精细的规则（比如要求RequestReference非空），可以用WithBodyMatchers结合JsonMatcher逐个字段配置：

var response = new Response
{
    CustomerId = CustomerReference,
    CustomerEmail = _customerInfo.EmailAddress,
    CustomerName = _customerInfo.FirstName + " " + _customerInfo.LastName,
    RequestDate = DateTime.UtcNow
};

WireMockApiFake
    .Given(Request.Create()
        .WithPath("/api/customer")
        .UsingPost()
        .WithBodyMatchers(
            new JsonMatcher("$..CustomerId", Match.Equal(customerId)),
            new JsonMatcher("$..CustomerEmail", Match.Equal(customerEmail)),
            new JsonMatcher("$..CustomerName", Match.Equal(customerName)),
            // 匹配任意值（包括null），如果要限制非空可以用Match.NotEqual(null)
            new JsonMatcher("$..RequestReference", Match.Any())
        ))
    .RespondWith(Response.Create()
        .WithStatusCode(HttpStatusCode.OK)
        .WithBodyAsJson(response));

内容的提问来源于stack exchange，提问作者HurkanSeyhan