packages/0x.js/test/assert_test.ts


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import * as chai from 'chai';
import 'mocha';
import {ZeroEx} from '../src';
import {assert} from '../src/utils/assert';
import {web3Factory} from './utils/web3_factory';

const expect = chai.expect;

describe('Assertion library', () => {
    const web3 = web3Factory.create();
    const zeroEx = new ZeroEx(web3.currentProvider);
    describe('#isSenderAddressHexAsync', () => {
        it('throws when address is invalid', async () => {
            const address = '0xdeadbeef';
            const varName = 'address';
            return expect(assert.isSenderAddressAsync(varName, address, (zeroEx as any)._web3Wrapper))
                .to.be.rejectedWith(`Expected ${varName} to be of type ETHAddressHex, encountered: ${address}`);
        });
        it('throws when address is unavailable', async () => {
            const validUnrelatedAddress = '0x8b0292b11a196601eddce54b665cafeca0347d42';
            const varName = 'address';
            return expect(assert.isSenderAddressAsync(varName, validUnrelatedAddress, (zeroEx as any)._web3Wrapper))
                .to.be.rejectedWith(
                    `Specified ${varName} ${validUnrelatedAddress} isn't available through the supplied web3 provider`,
                );
        });
        it('doesn\'t throw if address is available', async () => {
            const availableAddress = (await zeroEx.getAvailableAddressesAsync())[0];
            const varName = 'address';
            return expect(assert.isSenderAddressAsync(varName, availableAddress, (zeroEx as any)._web3Wrapper))
                .to.become(undefined);
        });
    });
});