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Format messages in unexpected console.error() test failure

This commit is contained in:
Dan Abramov 2018-07-19 12:15:01 +01:00
parent 2c560cb995
commit 2a1bc3f74c
1 changed files with 3 additions and 2 deletions
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5
scripts/jest/setupTests.js
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@ -1,6 +1,7 @@
'use strict';
const chalk = require('chalk');
const util = require('util');
if (process.env.REACT_CLASS_EQUIVALENCE_TEST) {
// Inside the class equivalence tester, we have a custom environment, let's
@ -63,14 +64,14 @@ if (process.env.REACT_CLASS_EQUIVALENCE_TEST) {
['error', 'warn'].forEach(methodName => {
const unexpectedConsoleCallStacks = [];
const newMethod = function(message) {
const newMethod = function(format, ...args) {
// Capture the call stack now so we can warn about it later.
// The call stack has helpful information for the test author.
// Don't throw yet though b'c it might be accidentally caught and suppressed.
const stack = new Error().stack;
unexpectedConsoleCallStacks.push([
stack.substr(stack.indexOf('\n') + 1),
message,
util.format(format, ...args),
]);
};