1 /* eslint no-extend-native:0 */
4 var Code = require('code');
5 var Lab = require('lab');
6 var Qs = require('../');
16 var lab = exports.lab = Lab.script();
17 var expect = Code.expect;
18 var describe = lab.experiment;
22 describe('parse()', function () {
24 it('parses a simple string', function (done) {
26 expect(Qs.parse('0=foo')).to.deep.equal({ '0': 'foo' });
27 expect(Qs.parse('foo=c++')).to.deep.equal({ foo: 'c ' });
28 expect(Qs.parse('a[>=]=23')).to.deep.equal({ a: { '>=': '23' } });
29 expect(Qs.parse('a[<=>]==23')).to.deep.equal({ a: { '<=>': '=23' } });
30 expect(Qs.parse('a[==]=23')).to.deep.equal({ a: { '==': '23' } });
31 expect(Qs.parse('foo')).to.deep.equal({ foo: '' });
32 expect(Qs.parse('foo=bar')).to.deep.equal({ foo: 'bar' });
33 expect(Qs.parse(' foo = bar = baz ')).to.deep.equal({ ' foo ': ' bar = baz ' });
34 expect(Qs.parse('foo=bar=baz')).to.deep.equal({ foo: 'bar=baz' });
35 expect(Qs.parse('foo=bar&bar=baz')).to.deep.equal({ foo: 'bar', bar: 'baz' });
36 expect(Qs.parse('foo=bar&baz')).to.deep.equal({ foo: 'bar', baz: '' });
37 expect(Qs.parse('cht=p3&chd=t:60,40&chs=250x100&chl=Hello|World')).to.deep.equal({
46 it('parses a single nested string', function (done) {
48 expect(Qs.parse('a[b]=c')).to.deep.equal({ a: { b: 'c' } });
52 it('parses a double nested string', function (done) {
54 expect(Qs.parse('a[b][c]=d')).to.deep.equal({ a: { b: { c: 'd' } } });
58 it('defaults to a depth of 5', function (done) {
60 expect(Qs.parse('a[b][c][d][e][f][g][h]=i')).to.deep.equal({ a: { b: { c: { d: { e: { f: { '[g][h]': 'i' } } } } } } });
64 it('only parses one level when depth = 1', function (done) {
66 expect(Qs.parse('a[b][c]=d', { depth: 1 })).to.deep.equal({ a: { b: { '[c]': 'd' } } });
67 expect(Qs.parse('a[b][c][d]=e', { depth: 1 })).to.deep.equal({ a: { b: { '[c][d]': 'e' } } });
71 it('parses a simple array', function (done) {
73 expect(Qs.parse('a=b&a=c')).to.deep.equal({ a: ['b', 'c'] });
77 it('parses an explicit array', function (done) {
79 expect(Qs.parse('a[]=b')).to.deep.equal({ a: ['b'] });
80 expect(Qs.parse('a[]=b&a[]=c')).to.deep.equal({ a: ['b', 'c'] });
81 expect(Qs.parse('a[]=b&a[]=c&a[]=d')).to.deep.equal({ a: ['b', 'c', 'd'] });
85 it('parses a mix of simple and explicit arrays', function (done) {
87 expect(Qs.parse('a=b&a[]=c')).to.deep.equal({ a: ['b', 'c'] });
88 expect(Qs.parse('a[]=b&a=c')).to.deep.equal({ a: ['b', 'c'] });
89 expect(Qs.parse('a[0]=b&a=c')).to.deep.equal({ a: ['b', 'c'] });
90 expect(Qs.parse('a=b&a[0]=c')).to.deep.equal({ a: ['b', 'c'] });
91 expect(Qs.parse('a[1]=b&a=c')).to.deep.equal({ a: ['b', 'c'] });
92 expect(Qs.parse('a=b&a[1]=c')).to.deep.equal({ a: ['b', 'c'] });
96 it('parses a nested array', function (done) {
98 expect(Qs.parse('a[b][]=c&a[b][]=d')).to.deep.equal({ a: { b: ['c', 'd'] } });
99 expect(Qs.parse('a[>=]=25')).to.deep.equal({ a: { '>=': '25' } });
103 it('allows to specify array indices', function (done) {
105 expect(Qs.parse('a[1]=c&a[0]=b&a[2]=d')).to.deep.equal({ a: ['b', 'c', 'd'] });
106 expect(Qs.parse('a[1]=c&a[0]=b')).to.deep.equal({ a: ['b', 'c'] });
107 expect(Qs.parse('a[1]=c')).to.deep.equal({ a: ['c'] });
111 it('limits specific array indices to 20', function (done) {
113 expect(Qs.parse('a[20]=a')).to.deep.equal({ a: ['a'] });
114 expect(Qs.parse('a[21]=a')).to.deep.equal({ a: { '21': 'a' } });
118 it('supports keys that begin with a number', function (done) {
120 expect(Qs.parse('a[12b]=c')).to.deep.equal({ a: { '12b': 'c' } });
124 it('supports encoded = signs', function (done) {
126 expect(Qs.parse('he%3Dllo=th%3Dere')).to.deep.equal({ 'he=llo': 'th=ere' });
130 it('is ok with url encoded strings', function (done) {
132 expect(Qs.parse('a[b%20c]=d')).to.deep.equal({ a: { 'b c': 'd' } });
133 expect(Qs.parse('a[b]=c%20d')).to.deep.equal({ a: { b: 'c d' } });
137 it('allows brackets in the value', function (done) {
139 expect(Qs.parse('pets=["tobi"]')).to.deep.equal({ pets: '["tobi"]' });
140 expect(Qs.parse('operators=[">=", "<="]')).to.deep.equal({ operators: '[">=", "<="]' });
144 it('allows empty values', function (done) {
146 expect(Qs.parse('')).to.deep.equal({});
147 expect(Qs.parse(null)).to.deep.equal({});
148 expect(Qs.parse(undefined)).to.deep.equal({});
152 it('transforms arrays to objects', function (done) {
154 expect(Qs.parse('foo[0]=bar&foo[bad]=baz')).to.deep.equal({ foo: { '0': 'bar', bad: 'baz' } });
155 expect(Qs.parse('foo[bad]=baz&foo[0]=bar')).to.deep.equal({ foo: { bad: 'baz', '0': 'bar' } });
156 expect(Qs.parse('foo[bad]=baz&foo[]=bar')).to.deep.equal({ foo: { bad: 'baz', '0': 'bar' } });
157 expect(Qs.parse('foo[]=bar&foo[bad]=baz')).to.deep.equal({ foo: { '0': 'bar', bad: 'baz' } });
158 expect(Qs.parse('foo[bad]=baz&foo[]=bar&foo[]=foo')).to.deep.equal({ foo: { bad: 'baz', '0': 'bar', '1': 'foo' } });
159 expect(Qs.parse('foo[0][a]=a&foo[0][b]=b&foo[1][a]=aa&foo[1][b]=bb')).to.deep.equal({foo: [ {a: 'a', b: 'b'}, {a: 'aa', b: 'bb'} ]});
163 it('can add keys to objects', function (done) {
165 expect(Qs.parse('a[b]=c&a=d')).to.deep.equal({ a: { b: 'c', d: true } });
169 it('correctly prunes undefined values when converting an array to an object', function (done) {
171 expect(Qs.parse('a[2]=b&a[99999999]=c')).to.deep.equal({ a: { '2': 'b', '99999999': 'c' } });
175 it('supports malformed uri characters', function (done) {
177 expect(Qs.parse('{%:%}')).to.deep.equal({ '{%:%}': '' });
178 expect(Qs.parse('foo=%:%}')).to.deep.equal({ foo: '%:%}' });
182 it('doesn\'t produce empty keys', function (done) {
184 expect(Qs.parse('_r=1&')).to.deep.equal({ '_r': '1' });
188 it('cannot override prototypes', function (done) {
190 var obj = Qs.parse('toString=bad&bad[toString]=bad&constructor=bad');
191 expect(typeof obj.toString).to.equal('function');
192 expect(typeof obj.bad.toString).to.equal('function');
193 expect(typeof obj.constructor).to.equal('function');
197 it('cannot access Object prototype', function (done) {
199 Qs.parse('constructor[prototype][bad]=bad');
200 Qs.parse('bad[constructor][prototype][bad]=bad');
201 expect(typeof Object.prototype.bad).to.equal('undefined');
205 it('parses arrays of objects', function (done) {
207 expect(Qs.parse('a[][b]=c')).to.deep.equal({ a: [{ b: 'c' }] });
208 expect(Qs.parse('a[0][b]=c')).to.deep.equal({ a: [{ b: 'c' }] });
212 it('allows for empty strings in arrays', function (done) {
214 expect(Qs.parse('a[]=b&a[]=&a[]=c')).to.deep.equal({ a: ['b', '', 'c'] });
215 expect(Qs.parse('a[0]=b&a[1]=&a[2]=c&a[19]=')).to.deep.equal({ a: ['b', '', 'c', ''] });
216 expect(Qs.parse('a[]=&a[]=b&a[]=c')).to.deep.equal({ a: ['', 'b', 'c'] });
220 it('compacts sparse arrays', function (done) {
222 expect(Qs.parse('a[10]=1&a[2]=2')).to.deep.equal({ a: ['2', '1'] });
226 it('parses semi-parsed strings', function (done) {
228 expect(Qs.parse({ 'a[b]': 'c' })).to.deep.equal({ a: { b: 'c' } });
229 expect(Qs.parse({ 'a[b]': 'c', 'a[d]': 'e' })).to.deep.equal({ a: { b: 'c', d: 'e' } });
233 it('parses buffers correctly', function (done) {
235 var b = new Buffer('test');
236 expect(Qs.parse({ a: b })).to.deep.equal({ a: b });
240 it('continues parsing when no parent is found', function (done) {
242 expect(Qs.parse('[]&a=b')).to.deep.equal({ '0': '', a: 'b' });
243 expect(Qs.parse('[foo]=bar')).to.deep.equal({ foo: 'bar' });
247 it('does not error when parsing a very long array', function (done) {
250 while (Buffer.byteLength(str) < 128 * 1024) {
262 it('should not throw when a native prototype has an enumerable property', { parallel: false }, function (done) {
264 Object.prototype.crash = '';
265 Array.prototype.crash = '';
266 expect(Qs.parse.bind(null, 'a=b')).to.not.throw();
267 expect(Qs.parse('a=b')).to.deep.equal({ a: 'b' });
268 expect(Qs.parse.bind(null, 'a[][b]=c')).to.not.throw();
269 expect(Qs.parse('a[][b]=c')).to.deep.equal({ a: [{ b: 'c' }] });
270 delete Object.prototype.crash;
271 delete Array.prototype.crash;
275 it('parses a string with an alternative string delimiter', function (done) {
277 expect(Qs.parse('a=b;c=d', { delimiter: ';' })).to.deep.equal({ a: 'b', c: 'd' });
281 it('parses a string with an alternative RegExp delimiter', function (done) {
283 expect(Qs.parse('a=b; c=d', { delimiter: /[;,] */ })).to.deep.equal({ a: 'b', c: 'd' });
287 it('does not use non-splittable objects as delimiters', function (done) {
289 expect(Qs.parse('a=b&c=d', { delimiter: true })).to.deep.equal({ a: 'b', c: 'd' });
293 it('allows overriding parameter limit', function (done) {
295 expect(Qs.parse('a=b&c=d', { parameterLimit: 1 })).to.deep.equal({ a: 'b' });
299 it('allows setting the parameter limit to Infinity', function (done) {
301 expect(Qs.parse('a=b&c=d', { parameterLimit: Infinity })).to.deep.equal({ a: 'b', c: 'd' });
305 it('allows overriding array limit', function (done) {
307 expect(Qs.parse('a[0]=b', { arrayLimit: -1 })).to.deep.equal({ a: { '0': 'b' } });
308 expect(Qs.parse('a[-1]=b', { arrayLimit: -1 })).to.deep.equal({ a: { '-1': 'b' } });
309 expect(Qs.parse('a[0]=b&a[1]=c', { arrayLimit: 0 })).to.deep.equal({ a: { '0': 'b', '1': 'c' } });
313 it('parses an object', function (done) {
316 'user[name]': {'pop[bob]': 3},
322 'name': {'pop[bob]': 3},
327 var result = Qs.parse(input);
329 expect(result).to.deep.equal(expected);
333 it('parses an object and not child values', function (done) {
336 'user[name]': {'pop[bob]': { 'test': 3 }},
342 'name': {'pop[bob]': { 'test': 3 }},
347 var result = Qs.parse(input);
349 expect(result).to.deep.equal(expected);
353 it('does not blow up when Buffer global is missing', function (done) {
355 var tempBuffer = global.Buffer;
356 delete global.Buffer;
357 var result = Qs.parse('a=b&c=d');
358 global.Buffer = tempBuffer;
359 expect(result).to.deep.equal({ a: 'b', c: 'd' });
363 it('does not crash when using invalid dot notation', function (done) {
365 expect(Qs.parse('roomInfoList[0].childrenAges[0]=15&roomInfoList[0].numberOfAdults=2')).to.deep.equal({ roomInfoList: [['15', '2']] });
369 it('does not crash when parsing circular references', function (done) {
378 parsed = Qs.parse({ 'foo[bar]': 'baz', 'foo[baz]': a });
381 expect(parsed).to.contain('foo');
382 expect(parsed.foo).to.contain('bar', 'baz');
383 expect(parsed.foo.bar).to.equal('baz');
384 expect(parsed.foo.baz).to.deep.equal(a);
388 it('parses plain objects correctly', function (done) {
390 var a = Object.create(null);
393 expect(Qs.parse(a)).to.deep.equal({ b: 'c' });
394 var result = Qs.parse({ a: a });
395 expect(result).to.contain('a');
396 expect(result.a).to.deep.equal(a);
400 it('parses dates correctly', function (done) {
402 var now = new Date();
403 expect(Qs.parse({ a: now })).to.deep.equal({ a: now });
407 it('parses regular expressions correctly', function (done) {
410 expect(Qs.parse({ a: re })).to.deep.equal({ a: re });