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Make some callbacks failable and add error handling

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This commit is contained in:
Leonid Logvinov
2018-01-10 13:51:09 +01:00
parent 065570ebf5
commit 292c3bbff8
9 changed files with 88 additions and 60 deletions
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11
packages/0x.js/test/event_watcher_test.ts
View File

@@ -10,6 +10,7 @@ import { EventWatcher } from '../src/order_watcher/event_watcher';
import { DoneCallback } from '../src/types';
import { chaiSetup } from './utils/chai_setup';
import { reportNodeCallbackErrors } from './utils/report_callback_errors';
import { web3Factory } from './utils/web3_factory';
chaiSetup.configure();
@@ -77,13 +78,14 @@ describe('EventWatcher', () => {
const getLogsStub = Sinon.stub(web3Wrapper, 'getLogsAsync');
getLogsStub.onCall(0).returns(logs);
stubs.push(getLogsStub);
const callback = (event: LogEvent) => {
const expectedToBeCalledOnce = false;
const callback = reportNodeCallbackErrors(done, expectedToBeCalledOnce)((event: LogEvent) => {
const expectedLogEvent = expectedLogEvents.shift();
expect(event).to.be.deep.equal(expectedLogEvent);
if (_.isEmpty(expectedLogEvents)) {
done();
}
};
});
eventWatcher.subscribe(callback);
});
it('correctly computes the difference and emits only changes', (done: DoneCallback) => {
@@ -111,13 +113,14 @@ describe('EventWatcher', () => {
getLogsStub.onCall(0).returns(initialLogs);
getLogsStub.onCall(1).returns(changedLogs);
stubs.push(getLogsStub);
const callback = (event: LogEvent) => {
const expectedToBeCalledOnce = false;
const callback = reportNodeCallbackErrors(done, expectedToBeCalledOnce)((event: LogEvent) => {
const expectedLogEvent = expectedLogEvents.shift();
expect(event).to.be.deep.equal(expectedLogEvent);
if (_.isEmpty(expectedLogEvents)) {
done();
}
};
});
eventWatcher.subscribe(callback);
});
});

32
packages/0x.js/test/order_state_watcher_test.ts
View File

@@ -20,7 +20,7 @@ import { DoneCallback } from '../src/types';
import { chaiSetup } from './utils/chai_setup';
import { constants } from './utils/constants';
import { FillScenarios } from './utils/fill_scenarios';
import { reportNoErrorCallbackErrors } from './utils/report_callback_errors';
import { reportNodeCallbackErrors } from './utils/report_callback_errors';
import { TokenUtils } from './utils/token_utils';
import { web3Factory } from './utils/web3_factory';
@@ -134,7 +134,7 @@ describe('OrderStateWatcher', () => {
);
const orderHash = ZeroEx.getOrderHashHex(signedOrder);
zeroEx.orderStateWatcher.addOrder(signedOrder);
const callback = reportNoErrorCallbackErrors(done)((orderState: OrderState) => {
const callback = reportNodeCallbackErrors(done)((orderState: OrderState) => {
expect(orderState.isValid).to.be.false();
const invalidOrderState = orderState as OrderStateInvalid;
expect(invalidOrderState.orderHash).to.be.equal(orderHash);
@@ -154,7 +154,7 @@ describe('OrderStateWatcher', () => {
fillableAmount,
);
zeroEx.orderStateWatcher.addOrder(signedOrder);
const callback = reportNoErrorCallbackErrors(done)((orderState: OrderState) => {
const callback = reportNodeCallbackErrors(done)((orderState: OrderState) => {
throw new Error('OrderState callback fired for irrelevant order');
});
zeroEx.orderStateWatcher.subscribe(callback);
@@ -178,7 +178,7 @@ describe('OrderStateWatcher', () => {
);
const orderHash = ZeroEx.getOrderHashHex(signedOrder);
zeroEx.orderStateWatcher.addOrder(signedOrder);
const callback = reportNoErrorCallbackErrors(done)((orderState: OrderState) => {
const callback = reportNodeCallbackErrors(done)((orderState: OrderState) => {
expect(orderState.isValid).to.be.false();
const invalidOrderState = orderState as OrderStateInvalid;
expect(invalidOrderState.orderHash).to.be.equal(orderHash);
@@ -202,7 +202,7 @@ describe('OrderStateWatcher', () => {
const orderHash = ZeroEx.getOrderHashHex(signedOrder);
zeroEx.orderStateWatcher.addOrder(signedOrder);
const callback = reportNoErrorCallbackErrors(done)((orderState: OrderState) => {
const callback = reportNodeCallbackErrors(done)((orderState: OrderState) => {
expect(orderState.isValid).to.be.false();
const invalidOrderState = orderState as OrderStateInvalid;
expect(invalidOrderState.orderHash).to.be.equal(orderHash);
@@ -234,7 +234,7 @@ describe('OrderStateWatcher', () => {
const orderHash = ZeroEx.getOrderHashHex(signedOrder);
zeroEx.orderStateWatcher.addOrder(signedOrder);
const callback = reportNoErrorCallbackErrors(done)((orderState: OrderState) => {
const callback = reportNodeCallbackErrors(done)((orderState: OrderState) => {
expect(orderState.isValid).to.be.true();
const validOrderState = orderState as OrderStateValid;
expect(validOrderState.orderHash).to.be.equal(orderHash);
@@ -273,7 +273,7 @@ describe('OrderStateWatcher', () => {
fillableAmount,
taker,
);
const callback = reportNoErrorCallbackErrors(done)();
const callback = reportNodeCallbackErrors(done)();
zeroEx.orderStateWatcher.addOrder(signedOrder);
zeroEx.orderStateWatcher.subscribe(callback);
await zeroEx.token.setProxyAllowanceAsync(zrxTokenAddress, maker, new BigNumber(0));
@@ -295,7 +295,7 @@ describe('OrderStateWatcher', () => {
const fillAmountInBaseUnits = ZeroEx.toBaseUnitAmount(new BigNumber(2), decimals);
const orderHash = ZeroEx.getOrderHashHex(signedOrder);
zeroEx.orderStateWatcher.addOrder(signedOrder);
const callback = reportNoErrorCallbackErrors(done)((orderState: OrderState) => {
const callback = reportNodeCallbackErrors(done)((orderState: OrderState) => {
expect(orderState.isValid).to.be.true();
const validOrderState = orderState as OrderStateValid;
expect(validOrderState.orderHash).to.be.equal(orderHash);
@@ -330,7 +330,7 @@ describe('OrderStateWatcher', () => {
const changedMakerApprovalAmount = ZeroEx.toBaseUnitAmount(new BigNumber(3), decimals);
zeroEx.orderStateWatcher.addOrder(signedOrder);
const callback = reportNoErrorCallbackErrors(done)((orderState: OrderState) => {
const callback = reportNodeCallbackErrors(done)((orderState: OrderState) => {
const validOrderState = orderState as OrderStateValid;
const orderRelevantState = validOrderState.orderRelevantState;
expect(orderRelevantState.remainingFillableMakerTokenAmount).to.be.bignumber.equal(
@@ -360,7 +360,7 @@ describe('OrderStateWatcher', () => {
const transferAmount = makerBalance.sub(remainingAmount);
zeroEx.orderStateWatcher.addOrder(signedOrder);
const callback = reportNoErrorCallbackErrors(done)((orderState: OrderState) => {
const callback = reportNodeCallbackErrors(done)((orderState: OrderState) => {
expect(orderState.isValid).to.be.true();
const validOrderState = orderState as OrderStateValid;
const orderRelevantState = validOrderState.orderRelevantState;
@@ -395,7 +395,7 @@ describe('OrderStateWatcher', () => {
const transferTokenAmount = makerFee.sub(remainingTokenAmount);
zeroEx.orderStateWatcher.addOrder(signedOrder);
const callback = reportNoErrorCallbackErrors(done)((orderState: OrderState) => {
const callback = reportNodeCallbackErrors(done)((orderState: OrderState) => {
expect(orderState.isValid).to.be.true();
const validOrderState = orderState as OrderStateValid;
const orderRelevantState = validOrderState.orderRelevantState;
@@ -429,7 +429,7 @@ describe('OrderStateWatcher', () => {
const transferTokenAmount = makerFee.sub(remainingTokenAmount);
zeroEx.orderStateWatcher.addOrder(signedOrder);
const callback = reportNoErrorCallbackErrors(done)((orderState: OrderState) => {
const callback = reportNodeCallbackErrors(done)((orderState: OrderState) => {
const validOrderState = orderState as OrderStateValid;
const orderRelevantState = validOrderState.orderRelevantState;
expect(orderRelevantState.remainingFillableMakerTokenAmount).to.be.bignumber.equal(
@@ -464,7 +464,7 @@ describe('OrderStateWatcher', () => {
zeroEx.orderStateWatcher.addOrder(signedOrder);
const callback = reportNoErrorCallbackErrors(done)((orderState: OrderState) => {
const callback = reportNodeCallbackErrors(done)((orderState: OrderState) => {
const validOrderState = orderState as OrderStateValid;
const orderRelevantState = validOrderState.orderRelevantState;
expect(orderRelevantState.remainingFillableMakerTokenAmount).to.be.bignumber.equal(
@@ -492,7 +492,7 @@ describe('OrderStateWatcher', () => {
const orderHash = ZeroEx.getOrderHashHex(signedOrder);
zeroEx.orderStateWatcher.addOrder(signedOrder);
const callback = reportNoErrorCallbackErrors(done)((orderState: OrderState) => {
const callback = reportNodeCallbackErrors(done)((orderState: OrderState) => {
expect(orderState.isValid).to.be.false();
const invalidOrderState = orderState as OrderStateInvalid;
expect(invalidOrderState.orderHash).to.be.equal(orderHash);
@@ -516,7 +516,7 @@ describe('OrderStateWatcher', () => {
const orderHash = ZeroEx.getOrderHashHex(signedOrder);
zeroEx.orderStateWatcher.addOrder(signedOrder);
const callback = reportNoErrorCallbackErrors(done)((orderState: OrderState) => {
const callback = reportNodeCallbackErrors(done)((orderState: OrderState) => {
expect(orderState.isValid).to.be.false();
const invalidOrderState = orderState as OrderStateInvalid;
expect(invalidOrderState.orderHash).to.be.equal(orderHash);
@@ -543,7 +543,7 @@ describe('OrderStateWatcher', () => {
const orderHash = ZeroEx.getOrderHashHex(signedOrder);
zeroEx.orderStateWatcher.addOrder(signedOrder);
const callback = reportNoErrorCallbackErrors(done)((orderState: OrderState) => {
const callback = reportNodeCallbackErrors(done)((orderState: OrderState) => {
expect(orderState.isValid).to.be.true();
const validOrderState = orderState as OrderStateValid;
expect(validOrderState.orderHash).to.be.equal(orderHash);

6
packages/0x.js/test/utils/report_callback_errors.ts
View File

@@ -25,7 +25,7 @@ export const reportNoErrorCallbackErrors = (done: DoneCallback, expectToBeCalled
};
};
export const reportNodeCallbackErrors = (done: DoneCallback) => {
export const reportNodeCallbackErrors = (done: DoneCallback, expectToBeCalledOnce = true) => {
return <T>(f?: (value: T) => void) => {
const wrapped = (error: Error | null, value: T | undefined) => {
if (!_.isNull(error)) {
@@ -37,7 +37,9 @@ export const reportNodeCallbackErrors = (done: DoneCallback) => {
}
try {
f(value as T);
done();
if (expectToBeCalledOnce) {
done();
}
} catch (err) {
done(err);
}