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authorFabio Berger <me@fabioberger.com>2017-05-30 18:30:38 +0800
committerFabio Berger <me@fabioberger.com>2017-05-30 18:30:38 +0800
commitd15002a1109ea00f4d92c7ae6259b5b657f5e4b3 (patch)
tree0aa82e04c56aaa84fee112318ca55ad57efd79c7 /test/0x.js_test.ts
parent55b00ab3809973e385b6baffd9c44d6db5540b12 (diff)
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Add tests for setProvider
Diffstat (limited to 'test/0x.js_test.ts')
-rw-r--r--test/0x.js_test.ts23
1 files changed, 23 insertions, 0 deletions
diff --git a/test/0x.js_test.ts b/test/0x.js_test.ts
index c45c70991..1e76ae71a 100644
--- a/test/0x.js_test.ts
+++ b/test/0x.js_test.ts
@@ -4,6 +4,7 @@ import 'mocha';
import * as BigNumber from 'bignumber.js';
import ChaiBigNumber = require('chai-bignumber');
import * as Sinon from 'sinon';
+import ProviderEngine = require('web3-provider-engine');
import {ZeroEx} from '../src/0x.js';
import {constants} from './utils/constants';
import {web3Factory} from './utils/web3_factory';
@@ -13,6 +14,28 @@ chai.use(ChaiBigNumber());
const expect = chai.expect;
describe('ZeroEx library', () => {
+ describe('#setProvider', () => {
+ it('overrides the provider in the nested web3 instance and invalidates contractInstances', async () => {
+ const web3 = web3Factory.create();
+ const zeroEx = new ZeroEx(web3);
+ // Instantiate the exchangeContract instance with the current provider
+ await (zeroEx.exchange as any).instantiateExchangeContractIfDoesntExistAsync();
+
+ const newProvider = web3Factory.getRpcProvider();
+ // Add property to newProvider so that we can differentiate it from old provider
+ (newProvider as any).zeroExTestId = 1;
+ zeroEx.setProvider(newProvider);
+
+ // Check that exchangeContract instance removed after provider update
+ expect((zeroEx.exchange as any).exchangeContractIfExists).to.be.an('undefined');
+
+ // Check that all nested web3 instances return the updated provider
+ const nestedWeb3WrapperProvider = (zeroEx as any).web3Wrapper.getCurrentProvider();
+ expect((nestedWeb3WrapperProvider as any).zeroExTestId).to.be.a('number');
+ const contractWrapperWeb3WrapperProvider = zeroEx.exchange.web3Wrapper.getCurrentProvider();
+ expect((nestedWeb3WrapperProvider as any).zeroExTestId).to.be.a('number');
+ });
+ });
describe('#getOrderHash', () => {
const expectedOrderHash = '0x103a5e97dab5dbeb8f385636f86a7d1e458a7ccbe1bd194727f0b2f85ab116c7';
it('defaults takerAddress to NULL address', () => {