stripe-stateful-mock/src/api/cards.ts

A half-baked, stateful Stripe mock server

import Stripe from "stripe";
import {generateId} from "./utils";
import log = require("loglevel");

export namespace cards {

    export interface CardExtra {
        sourceToken: string;
    }

    const cardExtras: { [cardId: string]: CardExtra } = {};

    export function createFromSource(token: string): Stripe.Card {
        log.debug("cards.createFromSource", token);

        let saveCard = true;
        const cardId = `card_${generateId(24)}`;
        const now = new Date();
        const card: Stripe.Card = {
            id: cardId,
            object: "card",
            address_city: null,
            address_country: null,
            address_line1: null,
            address_line1_check: null,
            address_line2: null,
            address_state: null,
            address_zip: null,
            address_zip_check: null,
            brand: "Unknown",
            country: "US",
            customer: null,
            cvc_check: null,
            dynamic_last4: null,
            exp_month: now.getMonth() + 1,
            exp_year: now.getFullYear() + 1,
            fingerprint: generateId(16),
            funding: "credit",
            last4: "XXXX",
            metadata: {},
            name: null,
            tokenization_method: null
        };

        switch (token) {
            case "tok_visa":
                card.brand = "Visa";
                card.last4 = "4242";
                break;
            case "tok_visa_debit":
                card.brand = "Visa";
                card.last4 = "5556";
                break;
            case "tok_mastercard":
                card.brand = "MasterCard";
                card.last4 = "4444";
                break;
            case "tok_mastercard_debit":
                card.brand = "MasterCard";
                card.last4 = "3222";
                break;
            case "tok_mastercard_prepaid":
                card.brand = "MasterCard";
                card.last4 = "5100";
                break;
            case "tok_amex":
                card.brand = "American Express";
                card.last4 = "8431";
                break;
            case "tok_ca":      // CRTC approved.
                card.brand = "Visa";
                card.last4 = "0000";
                card.country = "CA";
                break;
            case "tok_chargeCustomerFail":
                card.brand = "Visa";
                card.last4 = "0341";
                break;
            case "tok_riskLevelElevated":
                card.brand = "Visa";
                card.last4 = "9235";
                break;
            case "tok_chargeDeclined":
                card.brand = "Visa";
                card.last4 = "0002";
                break;
            case "tok_chargeDeclinedInsufficientFunds":
                card.brand = "Visa";
                card.last4 = "9995";
                break;
            case "tok_chargeDeclinedFraudulent":
                card.brand = "Visa";
                card.last4 = "0019";
                break;
            case "tok_chargeDeclinedIncorrectCvc":
                card.brand = "Visa";
                card.last4 = "0127";
                break;
            case "tok_chargeDeclinedExpiredCard":
                card.brand = "Visa";
                card.last4 = "0069";
                break;
            case "tok_chargeDeclinedProcessingError":
                card.brand = "Visa";
                card.last4 = "0119";
                break;
            case "tok_createDispute":
                card.brand = "Visa";
                card.last4 = "0259";
                break;
            case "tok_createDisputeProductNotReceived":
                card.brand = "Visa";
                card.last4 = "2685";
                break;
            case "tok_createDisputeInquiry":
                card.brand = "Visa";
                card.last4 = "1976";
                break;
            case "tok_forget":
                // Unofficial token.
                card.brand = "Visa";
                card.last4 = "1982";
                saveCard = false;
                break;
            default:
                throw new Error(`Unhandled source token '${token}'`);
        }

        if (saveCard) {
            cardExtras[card.id] = {
                sourceToken: token
            };
        }

        return card;
    }

    export function getCardExtra(cardId: string): CardExtra {
        return cardExtras[cardId];
    }
}