Use a closure to bind argument to callback in ReactErrorUtils (#8363)

* Use a closure to bind gaurded callback

This way the fake event isn't being implicitly passed into the event handler

* Add tests for ReactErrorUtils

Add fiber test report

Linting fixes
This commit is contained in:
Brandon Dail
2017-08-10 13:34:33 -04:00
committed by Nathan Hunzaker
parent dec3ed1556
commit 3c55d12587
2 changed files with 75 additions and 1 deletions
@@ -75,7 +75,9 @@ if (__DEV__) {
func: (a: A) => void,
a: A,
): void {
var boundFunc = func.bind(null, a);
var boundFunc = function() {
func(a);
};
var evtType = `react-${name}`;
fakeNode.addEventListener(evtType, boundFunc, false);
var evt = document.createEvent('Event');
@@ -0,0 +1,72 @@
/**
* Copyright 2014-present, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*
* @emails react-core
*/
'use strict';
var ReactErrorUtils;
describe('ReactErrorUtils', () => {
beforeEach(() => {
ReactErrorUtils = require('ReactErrorUtils');
});
describe('invokeGuardedCallbackWithCatch', () => {
it('should call the callback with only the passed argument', () => {
var callback = jest.fn();
ReactErrorUtils.invokeGuardedCallbackWithCatch('foo', callback, 'arg');
expect(callback).toBeCalledWith('arg');
});
it('should catch errors', () => {
var callback = function() {
throw new Error('foo');
};
expect(() =>
ReactErrorUtils.invokeGuardedCallbackWithCatch('foo', callback),
).not.toThrow();
});
});
describe('rethrowCaughtError', () => {
it('should rethrow caught errors', () => {
var err = new Error('foo');
var callback = function() {
throw err;
};
ReactErrorUtils.invokeGuardedCallbackWithCatch('foo', callback);
expect(() => ReactErrorUtils.rethrowCaughtError()).toThrow(err);
});
});
describe('invokeGuardedCallback', () => {
it('should call the callback with only the passed argument', () => {
var callback = jest.fn();
ReactErrorUtils.invokeGuardedCallback('foo', callback, 'arg');
expect(callback).toBeCalledWith('arg');
});
it('should use invokeGuardedCallbackWithCatch in production', () => {
expect(ReactErrorUtils.invokeGuardedCallback).not.toEqual(
ReactErrorUtils.invokeGuardedCallbackWithCatch,
);
__DEV__ = false;
var oldProcess = process;
global.process = {env: {NODE_ENV: 'production'}};
jest.resetModuleRegistry();
ReactErrorUtils = require('ReactErrorUtils');
expect(ReactErrorUtils.invokeGuardedCallback).toEqual(
ReactErrorUtils.invokeGuardedCallbackWithCatch,
);
__DEV__ = true;
global.process = oldProcess;
});
});
});