react-native/Libraries/YellowBox/Data/__tests__/YellowBoxWarning-test.js

127 lines
3.0 KiB
JavaScript

/**
* 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.
*
* @emails oncall+react_native
* @format
* @flow
*/
'use strict';
import type {StackFrame} from 'parseErrorStack';
jest.mock('YellowBoxSymbolication');
const YellowBoxSymbolication: {|
symbolicate: JestMockFn<
$ReadOnlyArray<Array<StackFrame>>,
Promise<Array<StackFrame>>,
>,
|} = (require('YellowBoxSymbolication'): any);
const YellowBoxWarning = require('YellowBoxWarning');
const createStack = methodNames =>
methodNames.map(methodName => ({
column: null,
file: 'file://path/to/file.js',
lineNumber: 1,
methodName,
}));
describe('YellowBoxWarning', () => {
beforeEach(() => {
jest.resetModules();
YellowBoxSymbolication.symbolicate.mockImplementation(async stack =>
createStack(stack.map(frame => `S(${frame.methodName})`)),
);
});
it('starts without a symbolicated stack', () => {
const warning = new YellowBoxWarning(
{content: '...', substitutions: []},
createStack(['A', 'B', 'C']),
);
expect(warning.symbolicated).toEqual({
error: null,
stack: null,
status: 'NONE',
});
});
it('updates when symbolication is in progress', () => {
const warning = new YellowBoxWarning(
{content: '...', substitutions: []},
createStack(['A', 'B', 'C']),
);
const callback = jest.fn();
warning.symbolicate(callback);
expect(callback.mock.calls.length).toBe(1);
expect(warning.symbolicated).toEqual({
error: null,
stack: null,
status: 'PENDING',
});
});
it('updates when symbolication finishes', () => {
const warning = new YellowBoxWarning(
{content: '...', substitutions: []},
createStack(['A', 'B', 'C']),
);
const callback = jest.fn();
warning.symbolicate(callback);
jest.runAllTicks();
expect(callback.mock.calls.length).toBe(2);
expect(warning.symbolicated).toEqual({
error: null,
stack: createStack(['S(A)', 'S(B)', 'S(C)']),
status: 'COMPLETE',
});
});
it('updates when symbolication fails', () => {
const error = new Error('...');
YellowBoxSymbolication.symbolicate.mockImplementation(async stack => {
throw error;
});
const warning = new YellowBoxWarning(
{content: '...', substitutions: []},
createStack(['A', 'B', 'C']),
);
const callback = jest.fn();
warning.symbolicate(callback);
jest.runAllTicks();
expect(callback.mock.calls.length).toBe(2);
expect(warning.symbolicated).toEqual({
error,
stack: null,
status: 'FAILED',
});
});
it('does not update aborted requests', () => {
const warning = new YellowBoxWarning(
{content: '...', substitutions: []},
createStack(['A', 'B', 'C']),
);
const callback = jest.fn();
const request = warning.symbolicate(callback);
request.abort();
jest.runAllTicks();
expect(callback.mock.calls.length).toBe(1);
});
});