/
setupTests.js
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/
setupTests.js
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/*!
* Copyright (c) Facebook, Inc. and its affiliates.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
'use strict';
const expect = global.expect;
let numExpectations = 0;
global.expect = function() {
numExpectations += 1;
return expect.apply(this, arguments);
};
const spyOn = global.spyOn;
// Spying on console methods in production builds can mask errors.
// This is why we added an explicit spyOnDev() helper.
// It's too easy to accidentally use the more familiar spyOn() helper though,
// So we disable it entirely.
// Spying on both dev and prod will require using both spyOnDev() and spyOnProd().
global.spyOn = function() {
throw new Error(
'Do not use spyOn(). ' +
'It can accidentally hide unexpected errors in production builds. ' +
'Use spyOnDev(), spyOnProd(), or spyOnDevAndProd() instead.'
);
};
global.spyOnDev = function(...args) {
if (__DEV__) {
return spyOn(...args);
}
};
global.spyOnDevAndProd = spyOn;
global.spyOnProd = function(...args) {
if (!__DEV__) {
return spyOn(...args);
}
};
expect.extend({
...require('../matchers/reactTestMatchers'),
...require('../matchers/toThrow'),
...require('../matchers/toWarnDev'),
});
beforeEach(() => (numExpectations = 0));
jasmine.currentEnv_.addReporter({
specDone: spec => {
console.log(
`EQUIVALENCE: ${spec.description}, ` +
`status: ${spec.status}, ` +
`numExpectations: ${numExpectations}`
);
},
});