react/scripts/error-codes/__tests__/dev-expression-with-codes-test.js
Sophie Alpert d63249d034 Update license headers BSD+Patents -> MIT
Did find and replace in TextMate.

```
find: (?:( \*)( ))?Copyright (?:\(c\) )?(\d{4})\b.+Facebook[\s\S]+(?:this source tree|the same directory)\.$
replace: $1$2Copyright (c) $3-present, Facebook, Inc.\n$1\n$1$2This source code is licensed under the MIT license found in the\n$1$2LICENSE file in the root directory of this source tree.
```
2017-09-25 18:17:44 -07:00

97 lines
2.9 KiB
JavaScript

/**
* Copyright (c) 2013-present, Facebook, Inc.
*
* This source code is licensed under the MIT license found in the
* LICENSE file in the root directory of this source tree.
*/
/* eslint-disable quotes */
'use strict';
let babel = require('babel-core');
let devExpressionWithCodes = require('../replace-invariant-error-codes');
function transform(input) {
return babel.transform(input, {
plugins: [devExpressionWithCodes],
}).code;
}
function compare(input, output) {
var compiled = transform(input);
expect(compiled).toEqual(output);
}
var oldEnv;
describe('dev-expression', () => {
beforeEach(() => {
oldEnv = process.env.NODE_ENV;
process.env.NODE_ENV = '';
});
afterEach(() => {
process.env.NODE_ENV = oldEnv;
});
it("should add `reactProdInvariant` when it finds `require('invariant')`", () => {
compare(
"var invariant = require('invariant');",
`var _prodInvariant = require('reactProdInvariant');
var invariant = require('invariant');`
);
});
it('should replace simple invariant calls', () => {
compare(
"invariant(condition, 'Do not override existing functions.');",
"var _prodInvariant = require('reactProdInvariant');\n\n" +
'!condition ? ' +
'__DEV__ ? ' +
"invariant(false, 'Do not override existing functions.') : " +
`_prodInvariant('16') : void 0;`
);
});
it('should only add `reactProdInvariant` once', () => {
var expectedInvariantTransformResult =
'!condition ? ' +
'__DEV__ ? ' +
"invariant(false, 'Do not override existing functions.') : " +
`_prodInvariant('16') : void 0;`;
compare(
`var invariant = require('invariant');
invariant(condition, 'Do not override existing functions.');
invariant(condition, 'Do not override existing functions.');`,
`var _prodInvariant = require('reactProdInvariant');
var invariant = require('invariant');
${expectedInvariantTransformResult}
${expectedInvariantTransformResult}`
);
});
it('should support invariant calls with args', () => {
compare(
"invariant(condition, 'Expected %s target to be an array; got %s', 'foo', 'bar');",
"var _prodInvariant = require('reactProdInvariant');\n\n" +
'!condition ? ' +
'__DEV__ ? ' +
"invariant(false, 'Expected %s target to be an array; got %s', 'foo', 'bar') : " +
`_prodInvariant('7', 'foo', 'bar') : void 0;`
);
});
it('should support invariant calls with a concatenated template string and args', () => {
compare(
"invariant(condition, 'Expected a component class, ' + 'got %s.' + '%s', 'Foo', 'Bar');",
"var _prodInvariant = require('reactProdInvariant');\n\n" +
'!condition ? ' +
'__DEV__ ? ' +
"invariant(false, 'Expected a component class, got %s.%s', 'Foo', 'Bar') : " +
`_prodInvariant('18', 'Foo', 'Bar') : void 0;`
);
});
});