react-native/website/react-docgen/lib/utils/__tests__/getMembers-test.js

52 lines
1.4 KiB
JavaScript

/*
* Copyright (c) 2015, Facebook, Inc.
* All rights reserved.
*
* This source code is licensed under the BSD-style license found in the
* LICENSE file in the root directory of this source tree. An additional grant
* of patent rights can be found in the PATENTS file in the same directory.
*
*/
"use strict";
jest.autoMockOff();
describe('getMembers', function() {
var recast;
var getMembers;
var memberExpressionPath;
function parse(src) {
return new recast.types.NodePath(
recast.parse(src).program.body[0].expression
);
}
beforeEach(function() {
getMembers = require('../getMembers');
recast = require('recast');
memberExpressionPath = parse('foo.bar(123)(456)[baz][42]');
});
it('finds all "members" "inside" a MemberExpression', function() {
var b = recast.types.builders;
var members = getMembers(memberExpressionPath);
//bar(123)
expect(members[0].path.node.name).toEqual('bar');
expect(members[0].computed).toBe(false);
expect(members[0].argumentsPath.get(0).node.value).toEqual(123);
//[baz]
expect(members[1].path.node.name).toEqual('baz');
expect(members[1].computed).toBe(true);
expect(members[1].argumentsPath).toBe(null);
//[42]
expect(members[2].path.node.value).toEqual(42);
expect(members[2].computed).toBe(true);
expect(members[2].argumentsPath).toBe(null);
});
});