1+ package com .github .binarywang .wxpay .bean .marketing ;
2+
3+ import com .github .binarywang .wxpay .bean .result .BaseWxPayV3Result ;
4+ import com .google .gson .Gson ;
5+ import com .google .gson .GsonBuilder ;
6+ import com .google .gson .JsonElement ;
7+ import com .google .gson .JsonParser ;
8+ import org .testng .annotations .Test ;
9+
10+ import static org .testng .Assert .*;
11+
12+ /**
13+ * 测试FavorStocksGetResult的原始JSON保存功能
14+ *
15+ * @author Binary Wang
16+ */
17+ public class FavorStocksGetResultTest {
18+
19+ private static final Gson GSON = new GsonBuilder ().create ();
20+
21+ @ Test
22+ public void testRawJsonPreservation () {
23+ // 模拟微信API返回的JSON（包含未在Result类中定义的字段）
24+ String mockJson = "{\n " +
25+ " \" stock_id\" : \" 9836588\" ,\n " +
26+ " \" stock_creator_mchid\" : \" 1230000109\" ,\n " +
27+ " \" stock_name\" : \" 微信支付代金券\" ,\n " +
28+ " \" status\" : \" running\" ,\n " +
29+ " \" create_time\" : \" 2021-01-01T00:00:00.000+08:00\" ,\n " +
30+ " \" description\" : \" 微信支付营销\" ,\n " +
31+ " \" card_id\" : \" pFS7Fjg9kqcMOBtl3bFn\" ,\n " +
32+ " \" extra_field\" : \" 这是一个新增字段\" \n " +
33+ "}" ;
34+
35+ // 模拟服务调用：反序列化JSON
36+ FavorStocksGetResult result = GSON .fromJson (mockJson , FavorStocksGetResult .class );
37+
38+ // 模拟服务调用：设置原始JSON
39+ result .setRawJsonString (mockJson );
40+
41+ // 验证基本字段正常解析
42+ assertEquals (result .getStockId (), "9836588" );
43+ assertEquals (result .getStockCreatorMchId (), "1230000109" );
44+ assertEquals (result .getStockName (), "微信支付代金券" );
45+ assertEquals (result .getStatus (), "running" );
46+
47+ // 验证原始JSON被保存
48+ assertNotNull (result .getRawJsonString ());
49+ assertEquals (result .getRawJsonString (), mockJson );
50+
51+ // 验证可以从原始JSON中获取未定义的字段
52+ assertTrue (result .getRawJsonString ().contains ("\" card_id\" : \" pFS7Fjg9kqcMOBtl3bFn\" " ));
53+ assertTrue (result .getRawJsonString ().contains ("\" extra_field\" : \" 这是一个新增字段\" " ));
54+ }
55+
56+ @ Test
57+ public void testBaseV3ResultInheritance () {
58+ FavorStocksGetResult result = new FavorStocksGetResult ();
59+
60+ // 验证继承关系
61+ assertTrue (result instanceof BaseWxPayV3Result );
62+
63+ // 验证基类方法可用
64+ result .setRawJsonString ("test json" );
65+ assertEquals (result .getRawJsonString (), "test json" );
66+ }
67+
68+ @ Test
69+ public void testNullRawJson () {
70+ FavorStocksGetResult result = new FavorStocksGetResult ();
71+
72+ // 验证初始状态下rawJsonString为null
73+ assertNull (result .getRawJsonString ());
74+
75+ // 验证设置null不会出错
76+ result .setRawJsonString (null );
77+ assertNull (result .getRawJsonString ());
78+ }
79+
80+ @ Test
81+ public void testRealWorldUsagePattern () {
82+ // 实际使用场景的示例
83+ String realApiResponse = "{\n " +
84+ " \" stock_id\" : \" 9836588\" ,\n " +
85+ " \" stock_creator_mchid\" : \" 1230000109\" ,\n " +
86+ " \" stock_name\" : \" 微信支付代金券\" ,\n " +
87+ " \" status\" : \" running\" ,\n " +
88+ " \" create_time\" : \" 2021-01-01T00:00:00.000+08:00\" ,\n " +
89+ " \" description\" : \" 微信支付营销\" ,\n " +
90+ " \" card_id\" : \" pFS7Fjg9kqcMOBtl3bFn\" ,\n " +
91+ " \" future_field_1\" : \" 未来可能新增的字段1\" ,\n " +
92+ " \" future_field_2\" : \" 未来可能新增的字段2\" \n " +
93+ "}" ;
94+
95+ FavorStocksGetResult result = GSON .fromJson (realApiResponse , FavorStocksGetResult .class );
96+ result .setRawJsonString (realApiResponse );
97+
98+ // 1. 正常使用已定义的字段
99+ assertEquals (result .getStockId (), "9836588" );
100+ assertEquals (result .getStockName (), "微信支付代金券" );
101+
102+ // 2. 安全地获取可能存在的新字段
103+ String cardId = getStringFieldSafely (result , "card_id" );
104+ assertEquals (cardId , "pFS7Fjg9kqcMOBtl3bFn" );
105+
106+ // 3. 获取未来可能新增的字段
107+ String futureField1 = getStringFieldSafely (result , "future_field_1" );
108+ assertEquals (futureField1 , "未来可能新增的字段1" );
109+
110+ String nonExistentField = getStringFieldSafely (result , "non_existent" );
111+ assertNull (nonExistentField );
112+ }
113+
114+ @ Test
115+ public void testCardIdExtractionExample () {
116+ // 测试具体的card_id字段提取（这是issue中提到的用例）
117+ String apiResponseWithCardId = "{\n " +
118+ " \" stock_id\" : \" 9836588\" ,\n " +
119+ " \" stock_creator_mchid\" : \" 1230000109\" ,\n " +
120+ " \" stock_name\" : \" 微信支付代金券\" ,\n " +
121+ " \" status\" : \" running\" ,\n " +
122+ " \" card_id\" : \" pFS7Fjg9kqcMOBtl3bFn\" \n " +
123+ "}" ;
124+
125+ FavorStocksGetResult result = GSON .fromJson (apiResponseWithCardId , FavorStocksGetResult .class );
126+ result .setRawJsonString (apiResponseWithCardId );
127+
128+ // 验证可以获取card_id字段
129+ JsonElement jsonElement = JsonParser .parseString (result .getRawJsonString ());
130+ assertTrue (jsonElement .getAsJsonObject ().has ("card_id" ));
131+ String cardId = jsonElement .getAsJsonObject ().get ("card_id" ).getAsString ();
132+ assertEquals (cardId , "pFS7Fjg9kqcMOBtl3bFn" );
133+
134+ // 展示实际用法
135+ String extractedCardId = extractCardId (result );
136+ assertEquals (extractedCardId , "pFS7Fjg9kqcMOBtl3bFn" );
137+ }
138+
139+ /**
140+ * 提取card_id的示例方法
141+ */
142+ private String extractCardId (FavorStocksGetResult result ) {
143+ return getStringFieldSafely (result , "card_id" );
144+ }
145+
146+ /**
147+ * 安全地从结果中获取字符串字段的工具方法
148+ */
149+ private String getStringFieldSafely (BaseWxPayV3Result result , String fieldName ) {
150+ String rawJson = result .getRawJsonString ();
151+ if (rawJson == null ) return null ;
152+
153+ try {
154+ JsonElement jsonElement = JsonParser .parseString (rawJson );
155+ if (jsonElement .getAsJsonObject ().has (fieldName )) {
156+ JsonElement fieldElement = jsonElement .getAsJsonObject ().get (fieldName );
157+ return fieldElement .isJsonNull () ? null : fieldElement .getAsString ();
158+ }
159+ } catch (Exception e ) {
160+ // 解析失败时返回null
161+ }
162+ return null ;
163+ }
164+ }
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