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-rw-r--r--test/token_wrapper_test.ts88
1 files changed, 35 insertions, 53 deletions
diff --git a/test/token_wrapper_test.ts b/test/token_wrapper_test.ts
index da020f714..be97496e0 100644
--- a/test/token_wrapper_test.ts
+++ b/test/token_wrapper_test.ts
@@ -15,6 +15,7 @@ import {
TransferContractEventArgs,
ApprovalContractEventArgs,
LogWithDecodedArgs,
+ LogEvent,
} from '../src';
import {BlockchainLifecycle} from './utils/blockchain_lifecycle';
import {TokenUtils} from './utils/token_utils';
@@ -336,22 +337,18 @@ describe('TokenWrapper', () => {
return expect(allowance).to.be.bignumber.equal(zeroEx.token.UNLIMITED_ALLOWANCE_IN_BASE_UNITS);
});
});
- describe('#subscribeAsync', () => {
+ describe('#subscribe', () => {
const indexFilterValues = {};
const shouldThrowOnInsufficientBalanceOrAllowance = true;
let tokenAddress: string;
- const subscriptionOpts: SubscriptionOpts = {
- fromBlock: 0,
- toBlock: 'latest',
- };
const transferAmount = new BigNumber(42);
const allowanceAmount = new BigNumber(42);
before(() => {
const token = tokens[0];
tokenAddress = token.address;
});
- afterEach(async () => {
- await zeroEx.token.stopWatchingAllEventsAsync();
+ afterEach(() => {
+ zeroEx.token.unsubscribeAll();
});
// Hack: Mocha does not allow a test to be both async and have a `done` callback
// Since we need to await the receipt of the event in the `subscribeAsync` callback,
@@ -360,81 +357,66 @@ describe('TokenWrapper', () => {
// Source: https://github.com/mochajs/mocha/issues/2407
it('Should receive the Transfer event when tokens are transfered', (done: DoneCallback) => {
(async () => {
- const zeroExEvent = await zeroEx.token.subscribeAsync(
- tokenAddress, TokenEvents.Transfer, subscriptionOpts, indexFilterValues);
- zeroExEvent.watch((err: Error, event: ContractEvent) => {
- expect(err).to.be.null();
- expect(event).to.not.be.undefined();
- const args = event.args as TransferContractEventArgs;
+ const callback = (logEvent: LogEvent) => {
+ expect(logEvent).to.not.be.undefined();
+ const args = logEvent.args as any as TransferContractEventArgs;
expect(args._from).to.be.equal(coinbase);
expect(args._to).to.be.equal(addressWithoutFunds);
expect(args._value).to.be.bignumber.equal(transferAmount);
done();
- });
+ };
+ zeroEx.token.subscribe(
+ tokenAddress, TokenEvents.Transfer, indexFilterValues, callback);
await zeroEx.token.transferAsync(tokenAddress, coinbase, addressWithoutFunds, transferAmount);
})().catch(done);
});
it('Should receive the Approval event when allowance is being set', (done: DoneCallback) => {
(async () => {
- const zeroExEvent = await zeroEx.token.subscribeAsync(
- tokenAddress, TokenEvents.Approval, subscriptionOpts, indexFilterValues);
- zeroExEvent.watch((err: Error, event: ContractEvent) => {
- expect(err).to.be.null();
- expect(event).to.not.be.undefined();
- const args = event.args as ApprovalContractEventArgs;
+ const callback = (logEvent: LogEvent) => {
+ expect(logEvent).to.not.be.undefined();
+ const args = logEvent.args as any as ApprovalContractEventArgs;
expect(args._owner).to.be.equal(coinbase);
expect(args._spender).to.be.equal(addressWithoutFunds);
expect(args._value).to.be.bignumber.equal(allowanceAmount);
done();
- });
+ };
+ zeroEx.token.subscribe(
+ tokenAddress, TokenEvents.Approval, indexFilterValues, callback);
await zeroEx.token.setAllowanceAsync(tokenAddress, coinbase, addressWithoutFunds, allowanceAmount);
})().catch(done);
});
it('Outstanding subscriptions are cancelled when zeroEx.setProviderAsync called', (done: DoneCallback) => {
(async () => {
- const eventSubscriptionToBeCancelled = await zeroEx.token.subscribeAsync(
- tokenAddress, TokenEvents.Transfer, subscriptionOpts, indexFilterValues);
- eventSubscriptionToBeCancelled.watch((err: Error, event: ContractEvent) => {
+ const callbackNeverToBeCalled = (logEvent: LogEvent) => {
done(new Error('Expected this subscription to have been cancelled'));
- });
-
+ };
+ zeroEx.token.subscribe(
+ tokenAddress, TokenEvents.Transfer, indexFilterValues, callbackNeverToBeCalled,
+ );
+ const callbackToBeCalled = (logEvent: LogEvent) => {
+ done();
+ };
const newProvider = web3Factory.getRpcProvider();
await zeroEx.setProviderAsync(newProvider);
-
- const eventSubscriptionToStay = await zeroEx.token.subscribeAsync(
- tokenAddress, TokenEvents.Transfer, subscriptionOpts, indexFilterValues);
- eventSubscriptionToStay.watch((err: Error, event: ContractEvent) => {
- expect(err).to.be.null();
- expect(event).to.not.be.undefined();
- done();
- });
+ zeroEx.token.subscribe(
+ tokenAddress, TokenEvents.Transfer, indexFilterValues, callbackToBeCalled,
+ );
await zeroEx.token.transferAsync(tokenAddress, coinbase, addressWithoutFunds, transferAmount);
})().catch(done);
});
- it('Should stop watch for events when stopWatchingAsync called on the eventEmitter', (done: DoneCallback) => {
+ it('Should cancel subscription when unsubscribe called', (done: DoneCallback) => {
(async () => {
- const eventSubscriptionToBeStopped = await zeroEx.token.subscribeAsync(
- tokenAddress, TokenEvents.Transfer, subscriptionOpts, indexFilterValues);
- eventSubscriptionToBeStopped.watch((err: Error, event: ContractEvent) => {
- done(new Error('Expected this subscription to have been stopped'));
- });
- await eventSubscriptionToBeStopped.stopWatchingAsync();
+ const callbackNeverToBeCalled = (logEvent: LogEvent) => {
+ done(new Error('Expected this subscription to have been cancelled'));
+ };
+ const subscriptionToken = zeroEx.token.subscribe(
+ tokenAddress, TokenEvents.Transfer, indexFilterValues, callbackNeverToBeCalled);
+ zeroEx.token.unsubscribe(subscriptionToken);
await zeroEx.token.transferAsync(tokenAddress, coinbase, addressWithoutFunds, transferAmount);
done();
})().catch(done);
});
- it('Should wrap all event args BigNumber instances in a newer version of BigNumber', (done: DoneCallback) => {
- (async () => {
- const zeroExEvent = await zeroEx.token.subscribeAsync(
- tokenAddress, TokenEvents.Transfer, subscriptionOpts, indexFilterValues);
- zeroExEvent.watch((err: Error, event: ContractEvent) => {
- const args = event.args as TransferContractEventArgs;
- expect(args._value.isBigNumber).to.be.true();
- done();
- });
- await zeroEx.token.transferAsync(tokenAddress, coinbase, addressWithoutFunds, transferAmount);
- })().catch(done);
- });
+ // TODO test block reorgs
});
describe('#getLogsAsync', () => {
let tokenAddress: string;