src/mock_tests.rs

#[cfg(test)]
mod tests {
    use rtix::application::services::india_tax::IndiaTaxService;
    use rtix::application::services::pricing::PricingEngine;
    use rtix::domain::models::{Coupon, OrderRecord};
    use uuid::Uuid;

    #[test]
    fn test_mock_india_tax_logic() {
        // Test Intra-state (KA to KA)
        let breakdown = IndiaTaxService::calculate_gst(1000.0, 29, "560001", 0.18);
        assert_eq!(breakdown.cgst, 90.0);
        assert_eq!(breakdown.sgst, 90.0);
        assert_eq!(breakdown.igst, 0.0);

        // Test Inter-state (KA to DL)
        let breakdown = IndiaTaxService::calculate_gst(1000.0, 29, "110001", 0.18);
        assert_eq!(breakdown.cgst, 0.0);
        assert_eq!(breakdown.sgst, 0.0);
        assert_eq!(breakdown.igst, 180.0);
    }

    #[test]
    fn test_mock_pricing_engine() {
        let fee = PricingEngine::calculate_platform_fee(1000.0, 95.0); // High trust
        assert_eq!(fee, 0.0); // Platform fee removed during checkout

        let fee_low_trust = PricingEngine::calculate_platform_fee(1000.0, 50.0);
        assert_eq!(fee_low_trust, 0.0); // Platform fee removed during checkout
    }

    #[test]
    fn test_mock_coupon_validation() {
        let coupon = Coupon {
            id: Uuid::new_v4(),
            merchant_id: "m1".into(),
            code: "TEST50".into(),
            discount_type: "PERCENTAGE".into(),
            discount_value: 50.0,
            min_order_amount: 500.0,
            max_discount_amount: Some(200.0),
            is_active: true,
            usage_count: 0,
            expiry_date: None,
            created_at: None,
        };

        // Valid order
        assert!(coupon.is_valid(600.0));
        // Below min amount
        assert!(!coupon.is_valid(400.0));

        // Discount calculation
        let discount = coupon.calculate_discount(1000.0);
        assert_eq!(discount, 200.0); // Capped at 200
    }

    #[test]
    fn test_mock_security_redaction() {
        let order = OrderRecord {
            transaction_id: "tx1".into(),
            merchant_id: "m1".into(),
            link_id: "l1".into(),
            buyer_phone: "9876543210".into(),
            buyer_phone_hash: None,
            buyer_name: "John Doe".into(),
            buyer_email: "john@example.com".into(),
            shipping_pincode: Some("560001".into()),
            delivery_address: Some("123 Street".into()),
            price_inr: 1000.0,
            status: "PAID".into(),
            vpa: None,
            outbound_weight: 500.0,
            return_weight: 0.0,
            proof_data: None,
            proof_received_at: None,
            settled_at: None,
            paid_at: None,
            shipped_at: None,
            delivered_at: None,
            shipping_method: None,
            estimated_delivery_at: None,
            payu_id: "p1".into(),
            is_payment: true,
            platform_fee_paid: true,
            platform_fee: 25.0,
            delivery_fee: 50.0,
            distance_km: 10.0,
            risk_score: 10.0,
            risk_flags: None,
            cgst: 90.0,
            sgst: 90.0,
            igst: 0.0,
            utr_number: None,
            platform_fee_utr: None,
            delivery_gps_lat: None,
            delivery_gps_lng: None,
            is_geofence_verified: None,
            pincode_volatility_at_checkout: 0.0,
            discount_amount: 0.0,
            coupon_code: None,
            checkout_gps_lat: None,
            checkout_gps_lng: None,
            device_fingerprint: None,
            created_at: None,
            brand_name: None,
        };

        let debug_output = format!("{:?}", order);
        assert!(debug_output.contains("[REDACTED]"));
        assert!(!debug_output.contains("9876543210"));
        assert!(!debug_output.contains("john@example.com"));
    }

    #[test]
    fn test_mock_risk_blocking_threshold() {
        let order = OrderRecord {
            transaction_id: "tx1".into(),
            merchant_id: "m1".into(),
            link_id: "l1".into(),
            buyer_phone: "9876543210".into(),
            buyer_phone_hash: None,
            buyer_name: "John Doe".into(),
            buyer_email: "scammer@tempmail.com".into(),
            shipping_pincode: Some("560001".into()),
            delivery_address: Some("123 Street".into()),
            price_inr: 15000.0,
            status: "PENDING".into(),
            vpa: None,
            outbound_weight: 500.0,
            return_weight: 0.0,
            proof_data: None,
            proof_received_at: None,
            settled_at: None,
            paid_at: None,
            shipped_at: None,
            delivered_at: None,
            shipping_method: None,
            estimated_delivery_at: None,
            payu_id: "".into(),
            is_payment: false,
            platform_fee_paid: false,
            platform_fee: 0.0,
            delivery_fee: 100.0,
            distance_km: 1500.0,
            risk_score: 0.0,
            risk_flags: None,
            cgst: 0.0,
            sgst: 0.0,
            igst: 0.0,
            utr_number: None,
            platform_fee_utr: None,
            delivery_gps_lat: None,
            delivery_gps_lng: None,
            is_geofence_verified: None,
            pincode_volatility_at_checkout: 0.0,
            discount_amount: 0.0,
            coupon_code: None,
            checkout_gps_lat: None,
            checkout_gps_lng: None,
            device_fingerprint: None,
            created_at: None,
            brand_name: None,
        };

        let (score, flags) =
            rtix::application::services::risk::RiskEngine::calculate_risk_score(&order, 0, 0.0);

        assert!(
            score >= 80.0,
            "Risk score {:.1} should exceed blocking threshold of 80.0",
            score
        );
        assert!(flags.get("SUSPICIOUS_EMAIL_DOMAIN").is_some());
        assert!(flags.get("NEW_BUYER").is_some());
    }
}