2019-07-11 15:15:09 -07:00

88 lines
3.2 KiB
TypeScript

import { Web3ProviderEngine } from '@0x/subproviders';
import * as TypeMoq from 'typemoq';
import { SwapQuoter } from '../../src/swap_quoter';
import { OrderProvider, OrderProviderResponse, OrdersAndFillableAmounts } from '../../src/types';
// tslint:disable:promise-function-async
// Implementing dummy class for using in mocks, see https://github.com/florinn/typemoq/issues/3
class OrderProviderClass implements OrderProvider {
// tslint:disable-next-line:prefer-function-over-method
public async getOrdersAsync(): Promise<OrderProviderResponse> {
return Promise.resolve({ orders: [] });
}
// tslint:disable-next-line:prefer-function-over-method
public async getAvailableMakerAssetDatasAsync(takerAssetData: string): Promise<string[]> {
return Promise.resolve([]);
}
// tslint:disable-next-line:prefer-function-over-method
public async getAvailableTakerAssetDatasAsync(makerAssetData: string): Promise<string[]> {
return Promise.resolve([]);
}
}
export const orderProviderMock = () => {
return TypeMoq.Mock.ofType(OrderProviderClass, TypeMoq.MockBehavior.Strict);
};
export const mockAvailableMakerAssetDatas = (
mockOrderProvider: TypeMoq.IMock<OrderProviderClass>,
assetData: string,
availableAssetDatas: string[],
) => {
mockOrderProvider
.setup(op => op.getAvailableMakerAssetDatasAsync(TypeMoq.It.isValue(assetData)))
.returns(() => {
return Promise.resolve(availableAssetDatas);
})
.verifiable(TypeMoq.Times.once());
};
export const mockAvailableTakerAssetDatas = (
mockOrderProvider: TypeMoq.IMock<OrderProviderClass>,
assetData: string,
availableAssetDatas: string[],
) => {
mockOrderProvider
.setup(op => op.getAvailableTakerAssetDatasAsync(TypeMoq.It.isValue(assetData)))
.returns(() => {
return Promise.resolve(availableAssetDatas);
})
.verifiable(TypeMoq.Times.once());
};
const partiallyMockedSwapQuoter = (
provider: Web3ProviderEngine,
orderProvider: OrderProvider,
): TypeMoq.IMock<SwapQuoter> => {
const rawSwapQuoter = new SwapQuoter(provider, orderProvider);
const mockedSwapQuoter = TypeMoq.Mock.ofInstance(rawSwapQuoter, TypeMoq.MockBehavior.Loose, false);
mockedSwapQuoter.callBase = true;
return mockedSwapQuoter;
};
const mockGetOrdersAndAvailableAmounts = (
mockedSwapQuoter: TypeMoq.IMock<SwapQuoter>,
makerAssetData: string,
takerAssetData: string,
ordersAndFillableAmounts: OrdersAndFillableAmounts,
): void => {
mockedSwapQuoter
.setup(a => a.getOrdersAndFillableAmountsAsync(makerAssetData, takerAssetData, false))
.returns(() => Promise.resolve(ordersAndFillableAmounts))
.verifiable(TypeMoq.Times.once());
};
export const mockedSwapQuoterWithOrdersAndFillableAmounts = (
provider: Web3ProviderEngine,
orderProvider: OrderProvider,
makerAssetData: string,
takerAssetData: string,
ordersAndFillableAmounts: OrdersAndFillableAmounts,
): TypeMoq.IMock<SwapQuoter> => {
const mockedAssetQuoter = partiallyMockedSwapQuoter(provider, orderProvider);
mockGetOrdersAndAvailableAmounts(mockedAssetQuoter, makerAssetData, takerAssetData, ordersAndFillableAmounts);
return mockedAssetQuoter;
};