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package com.ruoyi.order.mapper;
 
import org.junit.jupiter.api.Test;
 
import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.nio.charset.StandardCharsets;
import java.util.stream.Collectors;
 
import static org.junit.jupiter.api.Assertions.assertFalse;
import static org.junit.jupiter.api.Assertions.assertNotNull;
import static org.junit.jupiter.api.Assertions.assertTrue;
 
class EnterpriseChargingAnalysisMapperTest {
 
    @Test
    void countsInvoicesWithoutRequiringTheHistoricalChargingOrderToStillExist() throws IOException {
        InputStream input = getClass().getClassLoader()
                .getResourceAsStream("mapper/order/TChargingOrderMapper.xml");
        assertNotNull(input);
 
        String mapper;
        try (BufferedReader reader = new BufferedReader(new InputStreamReader(input, StandardCharsets.UTF_8))) {
            mapper = reader.lines().collect(Collectors.joining("\n"));
        }
 
        String invoiceRows = block(mapper, "enterpriseInvoiceRows");
        String detailRows = block(mapper, "enterpriseInvoiceDetailRows");
        String orderRows = block(mapper, "enterpriseAnalysisChargingOrders");
 
        // 企业发票单表查(逆反查,不再跨分片 JOIN):抬头级别过滤可下推到各分片
        assertTrue(invoiceRows.contains("invoicing_object_type = 2"));
        assertTrue(invoiceRows.contains("status IN (2, 3)"));
        assertFalse(invoiceRows.contains("LEFT JOIN"));
        assertFalse(invoiceRows.contains("INNER JOIN"));
        // 不按订单维度过滤:历史充电订单被删除的发票仍会计数(订单缺失的兜底逻辑在 Service 层)
        assertFalse(invoiceRows.contains("co.del_flag"));
        assertFalse(invoiceRows.contains("recharge_payment_status"));
 
        // 明细只取充电订单(order_type=1),按 order_invoice_id 分片键 IN 路由
        assertTrue(detailRows.contains("order_type = 1"));
        assertTrue(detailRows.contains("order_invoice_id IN"));
 
        // 订单数据按 id IN 走主键、单表不 JOIN(t_charging_order 50 片按 app_user_id 分片,不可与发票跨片 JOIN)
        assertTrue(orderRows.contains("FROM t_charging_order"));
        assertTrue(orderRows.contains("WHERE id IN"));
        assertFalse(orderRows.contains("JOIN"));
    }
 
    private static String block(String mapper, String id) {
        int start = mapper.indexOf("<select id=\"" + id + "\"");
        int end = mapper.indexOf("</select>", start);
        if (start < 0 || end < 0) {
            throw new AssertionError("missing select block: " + id);
        }
        return mapper.substring(start, end);
    }
}