🎨 #4024 【微信支付】补齐 V3 退款通知回调中 amount 对象的官方字段并兼容旧 refund 映射

weixin-java-pay/src/test/java/com/github/binarywang/wxpay/bean/notify/WxPayRefundNotifyV3ResultTest.java

@@ -0,0 +1,61 @@
+package com.github.binarywang.wxpay.bean.notify;
+
+import com.google.gson.Gson;
+import org.testng.annotations.Test;
+
+import static org.assertj.core.api.Assertions.assertThat;
+
+public class WxPayRefundNotifyV3ResultTest {
+
+  private static final Gson GSON = new Gson();
+
+  @Test
+  public void shouldDeserializeOfficialAmountFields() {
+    String json = "{"
+      + "\"mchid\":\"1900000100\","
+      + "\"out_trade_no\":\"1217752501201407033233368018\","
+      + "\"transaction_id\":\"4200000000000000000000000000\","
+      + "\"out_refund_no\":\"1217752501201407033233368019\","
+      + "\"refund_id\":\"50000000382019052709732678859\","
+      + "\"refund_status\":\"SUCCESS\","
+      + "\"success_time\":\"2020-12-01T12:00:00+08:00\","
+      + "\"user_received_account\":\"支付用户零钱\","
+      + "\"amount\":{"
+      + "\"refund_fee\":10,"
+      + "\"settlement_refund\":9,"
+      + "\"total\":100,"
+      + "\"currency\":\"CNY\","
+      + "\"payer_total\":90,"
+      + "\"payer_refund\":10,"
+      + "\"settlement_total\":90,"
+      + "\"discount_refund\":1,"
+      + "\"from\":[{\"account\":\"AVAILABLE\",\"amount\":10}]"
+      + "}"
+      + "}";
+
+    WxPayRefundNotifyV3Result.DecryptNotifyResult result =
+      GSON.fromJson(json, WxPayRefundNotifyV3Result.DecryptNotifyResult.class);
+
+    assertThat(result.getAmount().getRefundFee()).isEqualTo(10);
+    assertThat(result.getAmount().getRefund()).isEqualTo(10);
+    assertThat(result.getAmount().getSettlementRefund()).isEqualTo(9);
+    assertThat(result.getAmount().getTotal()).isEqualTo(100);
+    assertThat(result.getAmount().getCurrency()).isEqualTo("CNY");
+    assertThat(result.getAmount().getPayerTotal()).isEqualTo(90);
+    assertThat(result.getAmount().getPayerRefund()).isEqualTo(10);
+    assertThat(result.getAmount().getSettlementTotal()).isEqualTo(90);
+    assertThat(result.getAmount().getDiscountRefund()).isEqualTo(1);
+    assertThat(result.getAmount().getFrom()).hasSize(1);
+    assertThat(result.getAmount().getFrom().get(0).getAccount()).isEqualTo("AVAILABLE");
+    assertThat(result.getAmount().getFrom().get(0).getAmount()).isEqualTo(10);
+  }
+
+  @Test
+  public void shouldKeepBackwardCompatibilityForRefundAlias() {
+    WxPayRefundNotifyV3Result.Amount amount =
+      GSON.fromJson("{\"refund\":88}", WxPayRefundNotifyV3Result.Amount.class);
+
+    assertThat(amount.getRefundFee()).isEqualTo(88);
+    assertThat(amount.getRefund()).isEqualTo(88);
+  }
+}