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Copy pathindex.js
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86 lines (78 loc) · 2.78 KB
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var test = require('../util/test')(__filename);
var get = require('../../packages/object-safe-get');
var compare = require('../../packages/collection-compare');
test('returns existing properties using dot-notation arg', function(t) {
t.plan(6);
var obj = {a: {aa: {aaa: 2}}, b: 4};
t.ok(compare(get(obj, 'a'), {aa: {aaa: 2}}));
t.ok(compare(get(obj, 'a.aa'), {aaa: 2}));
t.ok(compare(get(obj, 'a.aa.aaa'), 2));
t.ok(compare(get(obj, 'b'), 4));
t.ok(compare(get(obj.a, 'aa'), {aaa: 2}));
t.ok(compare(get(obj.a.aa, 'aaa'), 2));
t.end();
});
test('returns existing properties using array arg', function(t) {
t.plan(6);
var obj = {a: {aa: {aaa: 2}}, b: 4};
t.ok(compare(get(obj, ['a']), {aa: {aaa: 2}}));
t.ok(compare(get(obj, ['a', 'aa']), {aaa: 2}));
t.ok(compare(get(obj, ['a', 'aa', 'aaa']), 2));
t.ok(compare(get(obj, ['b']), 4));
t.ok(compare(get(obj.a, ['aa']), {aaa: 2}));
t.ok(compare(get(obj.a.aa, ['aaa']), 2));
t.end();
});
test('returns undefined for non-existing properties, using dot-notation arg', function(t) {
t.plan(4);
var obj = {a: {aa: {aaa: 2}}, b: 4};
t.ok(compare(get(obj, 'b.bb'), undefined));
t.ok(compare(get(obj, 'a.bb'), undefined));
t.ok(compare(get(obj, 'b.bb.bbb'), undefined));
t.ok(compare(get(obj.b, 'bb.bbb'), undefined));
t.end();
});
test('returns undefined for non-existing properties, using array arg', function(t) {
t.plan(4);
var obj = {a: {aa: {aaa: 2}}, b: 4};
t.ok(compare(get(obj, ['b', 'bb']), undefined));
t.ok(compare(get(obj, ['a', 'bb']), undefined));
t.ok(compare(get(obj, ['b', 'bb', 'bbb']), undefined));
t.ok(compare(get(obj.b, ['bb', 'bbb']), undefined));
t.end();
});
test('returns undefined for falsey property names using dot notation', function(t) {
t.plan(4);
var obj = {a: {aa: {aaa: 2}}, b: {}};
t.ok(compare(get(obj, 'a, ""', undefined)));
t.ok(compare(get(obj, 'a, aa, aaa, ""', undefined)));
t.ok(compare(get(obj, 'b, ""', undefined)));
t.ok(compare(get(obj, 'b, ""'), undefined));
t.end();
});
test('returns undefined for falsey property names using array arg', function(t) {
t.plan(4);
var obj = {a: {aa: {aaa: 2}}, b: {}};
t.ok(compare(get(obj, ['a', false]), undefined));
t.ok(compare(get(obj, ['a', 'aa', 'aaa', null]), undefined));
t.ok(compare(get(obj, ['b', undefined]), undefined));
t.ok(compare(get(obj, ['b', '']), undefined));
t.end();
});
test('returns first argument if it is a falsey value', function(t) {
t.plan(2);
t.ok(compare(get(null, 'a'), null));
t.ok(compare(get(undefined, 'a'), undefined));
t.end();
});
/* eslint-disable no-undef*/
if (typeof Symbol === 'function') {
test('works with symbols', function(t) {
t.plan(1);
var obj = {a: {}};
var sym = Symbol();
obj.a[sym] = 4;
t.ok(compare(get(obj.a, sym), 4));
t.end();
});
}