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get.spec.ts
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get.spec.ts
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// Copyright (c) 2015 - 2018 Uber Technologies, Inc.
//
// Permission is hereby granted, free of charge, to any person obtaining a copy
// of this software and associated documentation files (the "Software"), to deal
// in the Software without restriction, including without limitation the rights
// to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
// copies of the Software, and to permit persons to whom the Software is
// furnished to do so, subject to the following conditions:
//
// The above copyright notice and this permission notice shall be included in
// all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
// OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
// THE SOFTWARE.
import test from 'tape-promise/tape';
import {get} from '@deck.gl/json/utils/get';
const GET_TEST_CASES = [
{
title: 'simple array, integer key',
container: [1, 2],
key: 1,
result: 2
},
{
title: 'simple array, array key',
container: [1],
key: [0],
result: 1
},
{
title: 'simple object',
container: {a: 1},
key: 'a',
result: 1
},
{
title: 'simple object, array key',
container: {a: 1},
key: ['a'],
result: 1
},
{
title: 'nested object',
container: {a: {b: {c: 1}}},
key: 'a.b.c',
result: 1
},
{
title: 'nested object, same key, different value',
container: {a: {b: {c: 2}}},
key: 'a.b.c',
result: 2
},
{
title: 'nested object, same key, invalid path',
container: {a: {}},
key: 'a.b.c',
result: undefined
},
{
title: 'nested object, array key',
container: {a: {b: {c: 2}}},
key: ['a', 'b', 'c'],
result: 2
}
];
test('container#get', t => {
for (const tc of GET_TEST_CASES) {
const result = get(tc.container, tc.key);
t.deepEqual(result, tc.result, `get() on ${tc.title} returned expected result`);
}
t.end();
});