stack_wallet/test/price_test.dart

import 'dart:io';

import 'package:flutter_test/flutter_test.dart';
import 'package:hive/hive.dart';
import 'package:hive_test/hive_test.dart';
import 'package:http/http.dart';
import 'package:mockito/annotations.dart';
import 'package:mockito/mockito.dart';
import 'package:stackwallet/hive/db.dart';
import 'package:stackwallet/services/price.dart';

import 'price_test.mocks.dart';

@GenerateMocks([Client])
void main() {
  setUp(() async {
    await setUpTestHive();
    await Hive.openBox<dynamic>(DB.boxNamePriceCache);
  });

  test("getPricesAnd24hChange fetch", () async {
    final client = MockClient();

    when(client.get(
        Uri.parse(
            "https://api.coingecko.com/api/v3/coins/markets?vs_currency=btc&ids=monero,bitcoin,epic-cash,zcoin,dogecoin&order=market_cap_desc&per_page=10&page=1&sparkline=false"),
        headers: {
          'Content-Type': 'application/json'
        })).thenAnswer((_) async => Response(
        '[{"id":"bitcoin","symbol":"btc","name":"Bitcoin","image":"https://assets.coingecko.com/coins/images/1/large/bitcoin.png?1547033579","current_price":1.0,"market_cap":19128800,"market_cap_rank":1,"fully_diluted_valuation":21000000,"total_volume":1272132,"high_24h":1.0,"low_24h":1.0,"price_change_24h":0.0,"price_change_percentage_24h":0.0,"market_cap_change_24h":950.0,"market_cap_change_percentage_24h":0.00497,"circulating_supply":19128800.0,"total_supply":21000000.0,"max_supply":21000000.0,"ath":1.003301,"ath_change_percentage":-0.32896,"ath_date":"2019-10-15T16:00:56.136Z","atl":0.99895134,"atl_change_percentage":0.10498,"atl_date":"2019-10-21T00:00:00.000Z","roi":null,"last_updated":"2022-08-22T16:37:59.237Z"},{"id":"dogecoin","symbol":"doge","name":"Dogecoin","image":"https://assets.coingecko.com/coins/images/5/large/dogecoin.png?1547792256","current_price":3.15e-06,"market_cap":417916,"market_cap_rank":10,"fully_diluted_valuation":null,"total_volume":27498,"high_24h":3.26e-06,"low_24h":3.13e-06,"price_change_24h":-8.6889947714e-08,"price_change_percentage_24h":-2.68533,"market_cap_change_24h":-11370.894861206936,"market_cap_change_percentage_24h":-2.64879,"circulating_supply":132670764299.894,"total_supply":null,"max_supply":null,"ath":1.264e-05,"ath_change_percentage":-75.05046,"ath_date":"2021-05-07T23:04:53.026Z","atl":1.50936e-07,"atl_change_percentage":1989.69346,"atl_date":"2020-12-17T09:18:05.654Z","roi":null,"last_updated":"2022-08-22T16:38:15.113Z"},{"id":"monero","symbol":"xmr","name":"Monero","image":"https://assets.coingecko.com/coins/images/69/large/monero_logo.png?1547033729","current_price":0.00717236,"market_cap":130002,"market_cap_rank":29,"fully_diluted_valuation":null,"total_volume":4901,"high_24h":0.00731999,"low_24h":0.00707511,"price_change_24h":-5.6133543212467e-05,"price_change_percentage_24h":-0.77656,"market_cap_change_24h":-1007.8447677436197,"market_cap_change_percentage_24h":-0.76929,"circulating_supply":18147820.3764146,"total_supply":null,"max_supply":null,"ath":0.03475393,"ath_change_percentage":-79.32037,"ath_date":"2018-01-09T00:00:00.000Z","atl":0.00101492,"atl_change_percentage":608.13327,"atl_date":"2014-12-18T00:00:00.000Z","roi":null,"last_updated":"2022-08-22T16:38:26.347Z"},{"id":"zcoin","symbol":"firo","name":"Firo","image":"https://assets.coingecko.com/coins/images/479/large/firocoingecko.png?1636537544","current_price":0.0001096,"market_cap":1252,"market_cap_rank":604,"fully_diluted_valuation":2349,"total_volume":90.573,"high_24h":0.00011148,"low_24h":0.00010834,"price_change_24h":-9.87561775002e-07,"price_change_percentage_24h":-0.89304,"market_cap_change_24h":-10.046635178462793,"market_cap_change_percentage_24h":-0.79578,"circulating_supply":11411043.8354697,"total_supply":21400000.0,"max_supply":21400000.0,"ath":0.01616272,"ath_change_percentage":-99.3208,"ath_date":"2018-04-04T16:04:48.408Z","atl":4.268e-05,"atl_change_percentage":157.22799,"atl_date":"2022-05-12T07:28:47.088Z","roi":null,"last_updated":"2022-08-22T16:38:47.229Z"},{"id":"epic-cash","symbol":"epic","name":"Epic Cash","image":"https://assets.coingecko.com/coins/images/9520/large/Epic_Coin_NO_drop_shadow.png?1620122642","current_price":2.803e-05,"market_cap":415.109,"market_cap_rank":953,"fully_diluted_valuation":null,"total_volume":0.2371557,"high_24h":3.053e-05,"low_24h":2.581e-05,"price_change_24h":1.9e-06,"price_change_percentage_24h":7.27524,"market_cap_change_24h":28.26753,"market_cap_change_percentage_24h":7.30726,"circulating_supply":14808052.0,"total_supply":21000000.0,"max_supply":null,"ath":0.00013848,"ath_change_percentage":-79.75864,"ath_date":"2021-12-11T08:39:41.129Z","atl":5.74028e-07,"atl_change_percentage":4783.08078,"atl_date":"2020-03-13T16:55:01.177Z","roi":null,"last_updated":"2022-08-22T16:38:32.826Z"}]',
        200));

    final priceAPI = PriceAPI(client);
    priceAPI.resetLastCalledToForceNextCallToUpdateCache();

    final price = await priceAPI.getPricesAnd24hChange(baseCurrency: "btc");

    expect(price.toString(),
        '{Coin.bitcoin: [1, 0.0], Coin.dogecoin: [0.00000315, -2.68533], Coin.epicCash: [0.00002803, 7.27524], Coin.firo: [0.0001096, -0.89304], Coin.monero: [0.00717236, -0.77656], Coin.bitcoinTestNet: [0, 0.0], Coin.dogecoinTestNet: [0, 0.0], Coin.firoTestNet: [0, 0.0]}');
    verify(client.get(
        Uri.parse(
            "https://api.coingecko.com/api/v3/coins/markets?vs_currency=btc&ids=monero,bitcoin,epic-cash,zcoin,dogecoin&order=market_cap_desc&per_page=10&page=1&sparkline=false"),
        headers: {'Content-Type': 'application/json'})).called(1);

    verifyNoMoreInteractions(client);
  });

  test("cached price fetch", () async {
    final client = MockClient();

    when(client.get(
        Uri.parse(
            "https://api.coingecko.com/api/v3/coins/markets?vs_currency=btc&ids=monero,bitcoin,epic-cash,zcoin,dogecoin&order=market_cap_desc&per_page=10&page=1&sparkline=false"),
        headers: {
          'Content-Type': 'application/json'
        })).thenAnswer((_) async => Response(
        '[{"id":"bitcoin","symbol":"btc","name":"Bitcoin","image":"https://assets.coingecko.com/coins/images/1/large/bitcoin.png?1547033579","current_price":1.0,"market_cap":19128800,"market_cap_rank":1,"fully_diluted_valuation":21000000,"total_volume":1272132,"high_24h":1.0,"low_24h":1.0,"price_change_24h":0.0,"price_change_percentage_24h":0.0,"market_cap_change_24h":950.0,"market_cap_change_percentage_24h":0.00497,"circulating_supply":19128800.0,"total_supply":21000000.0,"max_supply":21000000.0,"ath":1.003301,"ath_change_percentage":-0.32896,"ath_date":"2019-10-15T16:00:56.136Z","atl":0.99895134,"atl_change_percentage":0.10498,"atl_date":"2019-10-21T00:00:00.000Z","roi":null,"last_updated":"2022-08-22T16:37:59.237Z"},{"id":"dogecoin","symbol":"doge","name":"Dogecoin","image":"https://assets.coingecko.com/coins/images/5/large/dogecoin.png?1547792256","current_price":3.15e-06,"market_cap":417916,"market_cap_rank":10,"fully_diluted_valuation":null,"total_volume":27498,"high_24h":3.26e-06,"low_24h":3.13e-06,"price_change_24h":-8.6889947714e-08,"price_change_percentage_24h":-2.68533,"market_cap_change_24h":-11370.894861206936,"market_cap_change_percentage_24h":-2.64879,"circulating_supply":132670764299.894,"total_supply":null,"max_supply":null,"ath":1.264e-05,"ath_change_percentage":-75.05046,"ath_date":"2021-05-07T23:04:53.026Z","atl":1.50936e-07,"atl_change_percentage":1989.69346,"atl_date":"2020-12-17T09:18:05.654Z","roi":null,"last_updated":"2022-08-22T16:38:15.113Z"},{"id":"monero","symbol":"xmr","name":"Monero","image":"https://assets.coingecko.com/coins/images/69/large/monero_logo.png?1547033729","current_price":0.00717236,"market_cap":130002,"market_cap_rank":29,"fully_diluted_valuation":null,"total_volume":4901,"high_24h":0.00731999,"low_24h":0.00707511,"price_change_24h":-5.6133543212467e-05,"price_change_percentage_24h":-0.77656,"market_cap_change_24h":-1007.8447677436197,"market_cap_change_percentage_24h":-0.76929,"circulating_supply":18147820.3764146,"total_supply":null,"max_supply":null,"ath":0.03475393,"ath_change_percentage":-79.32037,"ath_date":"2018-01-09T00:00:00.000Z","atl":0.00101492,"atl_change_percentage":608.13327,"atl_date":"2014-12-18T00:00:00.000Z","roi":null,"last_updated":"2022-08-22T16:38:26.347Z"},{"id":"zcoin","symbol":"firo","name":"Firo","image":"https://assets.coingecko.com/coins/images/479/large/firocoingecko.png?1636537544","current_price":0.0001096,"market_cap":1252,"market_cap_rank":604,"fully_diluted_valuation":2349,"total_volume":90.573,"high_24h":0.00011148,"low_24h":0.00010834,"price_change_24h":-9.87561775002e-07,"price_change_percentage_24h":-0.89304,"market_cap_change_24h":-10.046635178462793,"market_cap_change_percentage_24h":-0.79578,"circulating_supply":11411043.8354697,"total_supply":21400000.0,"max_supply":21400000.0,"ath":0.01616272,"ath_change_percentage":-99.3208,"ath_date":"2018-04-04T16:04:48.408Z","atl":4.268e-05,"atl_change_percentage":157.22799,"atl_date":"2022-05-12T07:28:47.088Z","roi":null,"last_updated":"2022-08-22T16:38:47.229Z"},{"id":"epic-cash","symbol":"epic","name":"Epic Cash","image":"https://assets.coingecko.com/coins/images/9520/large/Epic_Coin_NO_drop_shadow.png?1620122642","current_price":2.803e-05,"market_cap":415.109,"market_cap_rank":953,"fully_diluted_valuation":null,"total_volume":0.2371557,"high_24h":3.053e-05,"low_24h":2.581e-05,"price_change_24h":1.9e-06,"price_change_percentage_24h":7.27524,"market_cap_change_24h":28.26753,"market_cap_change_percentage_24h":7.30726,"circulating_supply":14808052.0,"total_supply":21000000.0,"max_supply":null,"ath":0.00013848,"ath_change_percentage":-79.75864,"ath_date":"2021-12-11T08:39:41.129Z","atl":5.74028e-07,"atl_change_percentage":4783.08078,"atl_date":"2020-03-13T16:55:01.177Z","roi":null,"last_updated":"2022-08-22T16:38:32.826Z"}]',
        200));

    final priceAPI = PriceAPI(client);
    priceAPI.resetLastCalledToForceNextCallToUpdateCache();

    // initial fetch to fill cache
    await priceAPI.getPricesAnd24hChange(baseCurrency: "btc");

    // now this time it should grab from cache instead of http.get
    final cachedPrice =
        await priceAPI.getPricesAnd24hChange(baseCurrency: "btc");

    expect(cachedPrice.toString(),
        '{Coin.bitcoin: [1, 0.0], Coin.dogecoin: [0.00000315, -2.68533], Coin.epicCash: [0.00002803, 7.27524], Coin.firo: [0.0001096, -0.89304], Coin.monero: [0.00717236, -0.77656], Coin.bitcoinTestNet: [0, 0.0], Coin.dogecoinTestNet: [0, 0.0], Coin.firoTestNet: [0, 0.0]}');

    // verify only called once during filling of cache
    verify(client.get(
        Uri.parse(
            "https://api.coingecko.com/api/v3/coins/markets?vs_currency=btc&ids=monero,bitcoin,epic-cash,zcoin,dogecoin&order=market_cap_desc&per_page=10&page=1&sparkline=false"),
        headers: {'Content-Type': 'application/json'})).called(1);

    verifyNoMoreInteractions(client);
  });

  test("response parse failure", () async {
    final client = MockClient();

    when(client.get(
        Uri.parse(
            "https://api.coingecko.com/api/v3/coins/markets?vs_currency=btc&ids=monero,bitcoin,epic-cash,zcoin,dogecoin&order=market_cap_desc&per_page=10&page=1&sparkline=false"),
        headers: {
          'Content-Type': 'application/json'
        })).thenAnswer((_) async => Response(
        '[{"id":"bitcoin","symbol":"btc","name":com/coins/images/1/large/bitcoin.png?1547033579","current_price":1.0,"market_cap":19128800,"market_cap_rank":1,"fully_diluted_valuation":21000000,"total_volume":1272132,"high_24h":1.0,"low_24h":1.0,"price_change_24h":0.0,"price_change_percentage_24h":0.0,"market_cap_change_24h":950.0,"market_cap_change_percentage_24h":0.00497,"circulating_supply":19128800.0,"total_supply":21000000.0,"max_supply":21000000.0,"ath":1.003301,"ath_change_percentage":-0.32896,"ath_date":"2019-10-15T16:00:56.136Z","atl":0.99895134,"atl_change_percentage":0.10498,"atl_date":"2019-10-21T00:00:00.000Z","roi":null,"last_updated":"2022-08-22T16:37:59.237Z"},{"id":"dogecoin","symbol":"doge","name":"Dogecoin","image":"https://assets.coingecko.com/coins/images/5/large/dogecoin.png?1547792256","current_price":3.15e-06,"market_cap":417916,"market_cap_rank":10,"fully_diluted_valuation":null,"total_volume":27498,"high_24h":3.26e-06,"low_24h":3.13e-06,"price_change_24h":-8.6889947714e-08,"price_change_percentage_24h":-2.68533,"market_cap_change_24h":-11370.894861206936,"market_cap_change_percentage_24h":-2.64879,"circulating_supply":132670764299.894,"total_supply":null,"max_supply":null,"ath":1.264e-05,"ath_change_percentage":-75.05046,"ath_date":"2021-05-07T23:04:53.026Z","atl":1.50936e-07,"atl_change_percentage":1989.69346,"atl_date":"2020-12-17T09:18:05.654Z","roi":null,"last_updated":"2022-08-22T16:38:15.113Z"},{"id":"monero","symbol":"xmr","name":"Monero","image":"https://assets.coingecko.com/coins/images/69/large/monero_logo.png?1547033729","current_price":0.00717236,"market_cap":130002,"market_cap_rank":29,"fully_diluted_valuation":null,"total_volume":4901,"high_24h":0.00731999,"low_24h":0.00707511,"price_change_24h":-5.6133543212467e-05,"price_change_percentage_24h":-0.77656,"market_cap_change_24h":-1007.8447677436197,"market_cap_change_percentage_24h":-0.76929,"circulating_supply":18147820.3764146,"total_supply":null,"max_supply":null,"ath":0.03475393,"ath_change_percentage":-79.32037,"ath_date":"2018-01-09T00:00:00.000Z","atl":0.00101492,"atl_change_percentage":608.13327,"atl_date":"2014-12-18T00:00:00.000Z","roi":null,"last_updated":"2022-08-22T16:38:26.347Z"},{"id":"zcoin","symbol":"firo","name":"Firo","image":"https://assets.coingecko.com/coins/images/479/large/firocoingecko.png?1636537544","current_price":0.0001096,"market_cap":1252,"market_cap_rank":604,"fully_diluted_valuation":2349,"total_volume":90.573,"high_24h":0.00011148,"low_24h":0.00010834,"price_change_24h":-9.87561775002e-07,"price_change_percentage_24h":-0.89304,"market_cap_change_24h":-10.046635178462793,"market_cap_change_percentage_24h":-0.79578,"circulating_supply":11411043.8354697,"total_supply":21400000.0,"max_supply":21400000.0,"ath":0.01616272,"ath_change_percentage":-99.3208,"ath_date":"2018-04-04T16:04:48.408Z","atl":4.268e-05,"atl_change_percentage":157.22799,"atl_date":"2022-05-12T07:28:47.088Z","roi":null,"last_updated":"2022-08-22T16:38:47.229Z"},{"id":"epic-cash","symbol":"epic","name":"Epic Cash","image":"https://assets.coingecko.com/coins/images/9520/large/Epic_Coin_NO_drop_shadow.png?1620122642","current_price":2.803e-05,"market_cap":415.109,"market_cap_rank":953,"fully_diluted_valuation":null,"total_volume":0.2371557,"high_24h":3.053e-05,"low_24h":2.581e-05,"price_change_24h":1.9e-06,"price_change_percentage_24h":7.27524,"market_cap_change_24h":28.26753,"market_cap_change_percentage_24h":7.30726,"circulating_supply":14808052.0,"total_supply":21000000.0,"max_supply":null,"ath":0.00013848,"ath_change_percentage":-79.75864,"ath_date":"2021-12-11T08:39:41.129Z","atl":5.74028e-07,"atl_change_percentage":4783.08078,"atl_date":"2020-03-13T16:55:01.177Z","roi":null,"last_updated":"2022-08-22T16:38:32.826Z"}]',
        200));

    final priceAPI = PriceAPI(client);
    priceAPI.resetLastCalledToForceNextCallToUpdateCache();

    final price = await priceAPI.getPricesAnd24hChange(baseCurrency: "btc");

    expect(price.toString(),
        '{Coin.bitcoin: [0, 0.0], Coin.dogecoin: [0, 0.0], Coin.epicCash: [0, 0.0], Coin.firo: [0, 0.0], Coin.monero: [0, 0.0], Coin.bitcoinTestNet: [0, 0.0], Coin.dogecoinTestNet: [0, 0.0], Coin.firoTestNet: [0, 0.0]}');
  });

  test("no internet available", () async {
    final client = MockClient();

    when(client.get(
        Uri.parse(
            "https://api.coingecko.com/api/v3/coins/markets?vs_currency=btc&ids=monero,bitcoin,epic-cash,zcoin,dogecoin&order=market_cap_desc&per_page=10&page=1&sparkline=false"),
        headers: {
          'Content-Type': 'application/json'
        })).thenThrow(const SocketException(
        "Failed host lookup: 'api.com' (OS Error: Temporary failure in name resolution, errno = -3)"));

    final priceAPI = PriceAPI(client);
    priceAPI.resetLastCalledToForceNextCallToUpdateCache();

    final price = await priceAPI.getPricesAnd24hChange(baseCurrency: "btc");

    expect(price.toString(),
        '{Coin.bitcoin: [0, 0.0], Coin.dogecoin: [0, 0.0], Coin.epicCash: [0, 0.0], Coin.firo: [0, 0.0], Coin.monero: [0, 0.0], Coin.bitcoinTestNet: [0, 0.0], Coin.dogecoinTestNet: [0, 0.0], Coin.firoTestNet: [0, 0.0]}');
  });

  tearDown(() async {
    await tearDownTestHive();
  });
}