package com.talentcard.server.business.merchant;
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import static org.assertj.core.api.Assertions.assertThat;
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import org.junit.jupiter.api.Test;
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/**
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* 个人（小微）主体上报给汇付的 MCC 怎么取。
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*
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* <p>业务口径（2026-09-16）：**行业由系统动态匹配，商户改不了**。所以系统里的商家档案优先——
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* 经营类型是我们自己维护的，也是匹配微信行业类目与费率的依据，不该被进件表单上的一次选择盖掉；
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* 已进件商户也不提供补改行业的入口。商户在进件表单第一步选的「行业类型」只在档案给不出具体
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* 行业时兜底（未配、或配成「其它」未识别），避免档案缺数据时一律落「其它」。
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*
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* <p>「其它」与识别不出来的取值返回空串（见 {@link #anUnrecognisedIndustryFallsBackToTheMerchantProfile}），
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* 正是这个兜底生效的触发条件。
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*/
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class MerchantOnboardingIndustryMccTests {
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/** 系统档案能给出具体行业时，以档案为准——哪怕进件表单上选的是别的行业。 */
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@Test
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void theMerchantProfileWinsOverWhatWasPickedOnTheForm() {
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assertThat(MerchantSettlementService.preferConfiguredMcc("7011", "餐饮服务")).isEqualTo("7011");
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assertThat(MerchantSettlementService.preferConfiguredMcc("5812", "其它")).isEqualTo("5812");
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}
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/** 档案给不出具体行业（落兜底的「其它」）时，才用进件表单上申报的行业。 */
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@Test
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void theDeclaredIndustryIsOnlyAFallbackForAMissingProfileIndustry() {
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assertThat(MerchantSettlementService.preferConfiguredMcc("7399", "餐饮服务")).isEqualTo("5812");
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assertThat(MerchantSettlementService.preferConfiguredMcc("7399", "停车服务")).isEqualTo("7523");
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// 两边都给不出具体行业时保持兜底值，不会变成空串。
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assertThat(MerchantSettlementService.preferConfiguredMcc("7399", "其它")).isEqualTo("7399");
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assertThat(MerchantSettlementService.preferConfiguredMcc("7399", "")).isEqualTo("7399");
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}
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@Test
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void theIndustryPickedOnTheFormBecomesTheMcc() {
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assertThat(MerchantSettlementService.mccForIndustry("餐饮服务")).isEqualTo("5812");
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assertThat(MerchantSettlementService.mccForIndustry("酒店服务")).isEqualTo("7011");
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assertThat(MerchantSettlementService.mccForIndustry("景区服务")).isEqualTo("7991");
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assertThat(MerchantSettlementService.mccForIndustry("加油服务")).isEqualTo("5541");
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assertThat(MerchantSettlementService.mccForIndustry("停车服务")).isEqualTo("7523");
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}
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/** 别名与规范化代码同样认，商户端换过文案不影响映射。 */
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@Test
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void theIndustryIsResolvedThroughTheSharedCatalog() {
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assertThat(MerchantSettlementService.mccForIndustry("餐饮")).isEqualTo("5812");
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assertThat(MerchantSettlementService.mccForIndustry("food")).isEqualTo("5812");
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assertThat(MerchantSettlementService.mccForIndustry("餐饮商家")).isEqualTo("5812");
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assertThat(MerchantSettlementService.mccForIndustry(" theatre ")).isEqualTo("7832");
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}
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@Test
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void anUnrecognisedIndustryFallsBackToTheMerchantProfile() {
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assertThat(MerchantSettlementService.mccForIndustry("其它")).isEmpty();
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assertThat(MerchantSettlementService.mccForIndustry("街边小店")).isEmpty();
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assertThat(MerchantSettlementService.mccForIndustry("")).isEmpty();
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assertThat(MerchantSettlementService.mccForIndustry(null)).isEmpty();
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}
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}
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