react-native/Libraries/YellowBox/Data/__tests__/YellowBoxSymbolication-test.js
Tim Yung d0219a0301 RN: A wild YellowBox has appeared!
Summary:
Replaces the existing `YellowBox` with a modern one.

Here are the notable changes:

- Sort warnings by recency (with most recent on top).
- Group warnings by format string if present.
- Present stack traces similar to RedBox.
- Show status of loading source maps.
- Support inspecting each occurrence of a warning.
- Fixed a bunch of edge cases and race conditions.

Reviewed By: TheSavior

Differential Revision: D8345180

fbshipit-source-id: b9e10d526b262c3985bbea639ba2ea0e7cad5081
2018-06-11 18:31:18 -07:00

53 lines
1.4 KiB
JavaScript

/**
* Copyright (c) 2015-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.
*
* @emails oncall+react_native
* @format
* @flow
*/
'use strict';
import type {StackFrame} from 'parseErrorStack';
jest.mock('symbolicateStackTrace');
const YellowBoxSymbolication = require('YellowBoxSymbolication');
const symbolicateStackTrace: JestMockFn<
$ReadOnlyArray<Array<StackFrame>>,
Promise<Array<StackFrame>>,
> = (require('symbolicateStackTrace'): any);
const createStack = methodNames =>
methodNames.map(methodName => ({
column: null,
file: 'file://path/to/file.js',
lineNumber: 1,
methodName,
}));
describe('YellowBoxSymbolication', () => {
beforeEach(() => {
jest.resetModules();
symbolicateStackTrace.mockImplementation(async stack => stack);
});
it('symbolicates different stacks', () => {
YellowBoxSymbolication.symbolicate(createStack(['A', 'B', 'C']));
YellowBoxSymbolication.symbolicate(createStack(['D', 'E', 'F']));
expect(symbolicateStackTrace.mock.calls.length).toBe(2);
});
it('batch symbolicates equivalent stacks', () => {
YellowBoxSymbolication.symbolicate(createStack(['A', 'B', 'C']));
YellowBoxSymbolication.symbolicate(createStack(['A', 'B', 'C']));
expect(symbolicateStackTrace.mock.calls.length).toBe(1);
});
});