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Add a regression test

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This commit is contained in:
Leonid Logvinov
2017-11-23 14:15:01 -06:00
parent 062f85e506
commit 8c54e9a873
1 changed files with 23 additions and 5 deletions
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28
packages/0x.js/test/subscription_test.ts
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@@ -68,22 +68,40 @@ describe('SubscriptionTest', () => {
_.each(stubs, s => s.restore());
stubs = [];
});
it('Should receive the Error when an error occurs', (done: DoneCallback) => {
it('Should receive the Error when an error occurs while fetching the block', (done: DoneCallback) => {
(async () => {
const errMsg = 'Error fetching block';
const callback = (err: Error, logEvent: DecodedLogEvent<ApprovalContractEventArgs>) => {
expect(err).to.not.be.null();
expect(err).to.be.equal(errMsg);
expect(logEvent).to.be.undefined();
done();
};
stubs = [
Sinon.stub((zeroEx as any)._web3Wrapper, 'getBlockAsync')
.throws('JSON RPC error'),
.throws(errMsg),
];
zeroEx.token.subscribe(
tokenAddress, TokenEvents.Approval, indexFilterValues, callback);
await zeroEx.token.setAllowanceAsync(tokenAddress, coinbase, addressWithoutFunds, allowanceAmount);
})().catch(done);
});
});
it('Should receive the Error when an error occurs while reconciling the new block', (done: DoneCallback) => {
(async () => {
const errMsg = 'Error fetching logs';
const callback = (err: Error, logEvent: DecodedLogEvent<ApprovalContractEventArgs>) => {
expect(err).to.be.equal(errMsg);
expect(logEvent).to.be.undefined();
done();
};
stubs = [
Sinon.stub((zeroEx as any)._web3Wrapper, 'getLogsAsync')
.throws(errMsg),
];
zeroEx.token.subscribe(
tokenAddress, TokenEvents.Approval, indexFilterValues, callback);
await zeroEx.token.setAllowanceAsync(tokenAddress, coinbase, addressWithoutFunds, allowanceAmount);
})().catch(done);
});
it('Should allow unsubscribeAll to be called successfully after an error', (done: DoneCallback) => {
(async () => {
const callback = (err: Error, logEvent: DecodedLogEvent<ApprovalContractEventArgs>) => _.noop;
@@ -96,6 +114,6 @@ describe('SubscriptionTest', () => {
zeroEx.token.unsubscribeAll();
done();
})().catch(done);
});
});
});
});