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utils.ts
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utils.ts
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/* Utilities to facilitate testing */
import { NativeStackScreenProps } from '@react-navigation/native-stack'
import BigNumber from 'bignumber.js'
import { ReactTestInstance } from 'react-test-renderer'
import configureMockStore from 'redux-mock-store'
import i18n from 'src/i18n'
import { StackParamList } from 'src/navigator/types'
import { RootState } from 'src/redux/reducers'
import { StoredTokenBalance, TokenBalance } from 'src/tokens/slice'
import { getLatestSchema } from 'test/schemas'
import {
mockAddressToE164Number,
mockAppRecipientCache,
mockContractAddress,
mockE164NumberToAddress,
mockNavigation,
mockPhoneRecipientCache,
} from 'test/values'
// ContractKit test utils
export const mockContractKitBalance = jest.fn(() => new BigNumber(10))
export const mockContractKitContract = {
balanceOf: mockContractKitBalance,
decimals: jest.fn(async () => '10'),
transferWithComment: jest.fn(async () => '10'),
}
interface MockContract {
methods: {
[methodName: string]: MockMethod
}
options: {
address: string
}
}
type MockMethod = (...params: any) => {
call: () => any
estimateGas: () => number
send: SendMethod
}
type SendMethod = (...params: any) => { on: (...params: any) => any }
/**
* Create a mock contract
* @param methods object
*/
export function createMockContract(methods: { [methodName: string]: any }) {
const contract: MockContract = {
methods: {},
options: {
address: mockContractAddress,
},
}
for (const methodName of Object.keys(methods)) {
const callResult = methods[methodName]
contract.methods[methodName] = createMockMethod(callResult)
}
return contract
}
function createMockMethod(callResult: any): MockMethod {
return jest.fn(() => ({
call: jest.fn(() => (typeof callResult === 'function' ? callResult() : callResult)),
estimateGas: jest.fn(() => 10000),
send: createSendMethod(),
}))
}
function createSendMethod(): SendMethod {
return jest.fn(() => ({
on: createSendMethod(),
}))
}
const mockStore = configureMockStore<RootState>()
/* Create a mock store with some reasonable default values */
export type RecursivePartial<T> = { [P in keyof T]?: RecursivePartial<T[P]> }
export function createMockStore(overrides: RecursivePartial<RootState> = {}) {
return mockStore(getMockStoreData(overrides))
}
export function getMockStoreData(overrides: RecursivePartial<RootState> = {}): RootState {
const defaultSchema = getLatestSchema()
const contactMappingData = {
identity: {
...defaultSchema.identity,
addressToE164Number: mockAddressToE164Number,
e164NumberToAddress: mockE164NumberToAddress,
},
}
const recipientData = {
recipients: {
...defaultSchema.recipients,
phoneRecipientCache: mockPhoneRecipientCache,
appRecipientCache: mockAppRecipientCache,
},
}
const mockStoreData: any = {
...defaultSchema,
...contactMappingData,
...recipientData,
// ignore api reducers that are managed by RTK-Query library itself
transactionFeedV2Api: undefined,
}
// Apply overrides. Note: only merges one level deep
for (const key of Object.keys(overrides)) {
// @ts-ignore
mockStoreData[key] = { ...mockStoreData[key], ...overrides[key] }
}
return mockStoreData
}
export function createMockStoreAppDisconnected() {
return createMockStore({
networkInfo: { connected: false },
})
}
export function getMockI18nProps() {
return {
i18n,
t: i18n.t,
tReady: true,
}
}
export function getMockStackScreenProps<RouteName extends keyof StackParamList>(
...args: undefined extends StackParamList[RouteName]
? [RouteName] | [RouteName, StackParamList[RouteName]]
: [RouteName, StackParamList[RouteName]]
): NativeStackScreenProps<StackParamList, RouteName> {
const [name, params] = args
return {
navigation: mockNavigation,
// @ts-ignore
route: {
key: '1',
name,
params,
},
}
}
export function getElementText(instance: ReactTestInstance | string): string {
if (typeof instance === 'string') {
return instance
}
return instance.children
.map((child) => {
return getElementText(child)
})
.join('')
}
export const mockStoreBalancesToTokenBalances = (
storeBalances: StoredTokenBalance[]
): TokenBalance[] => {
return storeBalances.map(
(token): TokenBalance => ({
...token,
balance: new BigNumber(token.balance ?? 0),
priceUsd: new BigNumber(token.priceUsd ?? 0),
lastKnownPriceUsd: token.priceUsd ? new BigNumber(token.priceUsd) : null,
})
)
}