source: node_modules/qs/test/parse.js

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Last change on this file was d24f17c, checked in by Aleksandar Panovski <apano77@…>, 15 months ago

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1'use strict';
2
3var test = require('tape');
4var qs = require('../');
5var utils = require('../lib/utils');
6var iconv = require('iconv-lite');
7var SaferBuffer = require('safer-buffer').Buffer;
8
9test('parse()', function (t) {
10 t.test('parses a simple string', function (st) {
11 st.deepEqual(qs.parse('0=foo'), { 0: 'foo' });
12 st.deepEqual(qs.parse('foo=c++'), { foo: 'c ' });
13 st.deepEqual(qs.parse('a[>=]=23'), { a: { '>=': '23' } });
14 st.deepEqual(qs.parse('a[<=>]==23'), { a: { '<=>': '=23' } });
15 st.deepEqual(qs.parse('a[==]=23'), { a: { '==': '23' } });
16 st.deepEqual(qs.parse('foo', { strictNullHandling: true }), { foo: null });
17 st.deepEqual(qs.parse('foo'), { foo: '' });
18 st.deepEqual(qs.parse('foo='), { foo: '' });
19 st.deepEqual(qs.parse('foo=bar'), { foo: 'bar' });
20 st.deepEqual(qs.parse(' foo = bar = baz '), { ' foo ': ' bar = baz ' });
21 st.deepEqual(qs.parse('foo=bar=baz'), { foo: 'bar=baz' });
22 st.deepEqual(qs.parse('foo=bar&bar=baz'), { foo: 'bar', bar: 'baz' });
23 st.deepEqual(qs.parse('foo2=bar2&baz2='), { foo2: 'bar2', baz2: '' });
24 st.deepEqual(qs.parse('foo=bar&baz', { strictNullHandling: true }), { foo: 'bar', baz: null });
25 st.deepEqual(qs.parse('foo=bar&baz'), { foo: 'bar', baz: '' });
26 st.deepEqual(qs.parse('cht=p3&chd=t:60,40&chs=250x100&chl=Hello|World'), {
27 cht: 'p3',
28 chd: 't:60,40',
29 chs: '250x100',
30 chl: 'Hello|World'
31 });
32 st.end();
33 });
34
35 t.test('arrayFormat: brackets allows only explicit arrays', function (st) {
36 st.deepEqual(qs.parse('a[]=b&a[]=c', { arrayFormat: 'brackets' }), { a: ['b', 'c'] });
37 st.deepEqual(qs.parse('a[0]=b&a[1]=c', { arrayFormat: 'brackets' }), { a: ['b', 'c'] });
38 st.deepEqual(qs.parse('a=b,c', { arrayFormat: 'brackets' }), { a: 'b,c' });
39 st.deepEqual(qs.parse('a=b&a=c', { arrayFormat: 'brackets' }), { a: ['b', 'c'] });
40 st.end();
41 });
42
43 t.test('arrayFormat: indices allows only indexed arrays', function (st) {
44 st.deepEqual(qs.parse('a[]=b&a[]=c', { arrayFormat: 'indices' }), { a: ['b', 'c'] });
45 st.deepEqual(qs.parse('a[0]=b&a[1]=c', { arrayFormat: 'indices' }), { a: ['b', 'c'] });
46 st.deepEqual(qs.parse('a=b,c', { arrayFormat: 'indices' }), { a: 'b,c' });
47 st.deepEqual(qs.parse('a=b&a=c', { arrayFormat: 'indices' }), { a: ['b', 'c'] });
48 st.end();
49 });
50
51 t.test('arrayFormat: comma allows only comma-separated arrays', function (st) {
52 st.deepEqual(qs.parse('a[]=b&a[]=c', { arrayFormat: 'comma' }), { a: ['b', 'c'] });
53 st.deepEqual(qs.parse('a[0]=b&a[1]=c', { arrayFormat: 'comma' }), { a: ['b', 'c'] });
54 st.deepEqual(qs.parse('a=b,c', { arrayFormat: 'comma' }), { a: 'b,c' });
55 st.deepEqual(qs.parse('a=b&a=c', { arrayFormat: 'comma' }), { a: ['b', 'c'] });
56 st.end();
57 });
58
59 t.test('arrayFormat: repeat allows only repeated values', function (st) {
60 st.deepEqual(qs.parse('a[]=b&a[]=c', { arrayFormat: 'repeat' }), { a: ['b', 'c'] });
61 st.deepEqual(qs.parse('a[0]=b&a[1]=c', { arrayFormat: 'repeat' }), { a: ['b', 'c'] });
62 st.deepEqual(qs.parse('a=b,c', { arrayFormat: 'repeat' }), { a: 'b,c' });
63 st.deepEqual(qs.parse('a=b&a=c', { arrayFormat: 'repeat' }), { a: ['b', 'c'] });
64 st.end();
65 });
66
67 t.test('allows enabling dot notation', function (st) {
68 st.deepEqual(qs.parse('a.b=c'), { 'a.b': 'c' });
69 st.deepEqual(qs.parse('a.b=c', { allowDots: true }), { a: { b: 'c' } });
70 st.end();
71 });
72
73 t.deepEqual(qs.parse('a[b]=c'), { a: { b: 'c' } }, 'parses a single nested string');
74 t.deepEqual(qs.parse('a[b][c]=d'), { a: { b: { c: 'd' } } }, 'parses a double nested string');
75 t.deepEqual(
76 qs.parse('a[b][c][d][e][f][g][h]=i'),
77 { a: { b: { c: { d: { e: { f: { '[g][h]': 'i' } } } } } } },
78 'defaults to a depth of 5'
79 );
80
81 t.test('only parses one level when depth = 1', function (st) {
82 st.deepEqual(qs.parse('a[b][c]=d', { depth: 1 }), { a: { b: { '[c]': 'd' } } });
83 st.deepEqual(qs.parse('a[b][c][d]=e', { depth: 1 }), { a: { b: { '[c][d]': 'e' } } });
84 st.end();
85 });
86
87 t.test('uses original key when depth = 0', function (st) {
88 st.deepEqual(qs.parse('a[0]=b&a[1]=c', { depth: 0 }), { 'a[0]': 'b', 'a[1]': 'c' });
89 st.deepEqual(qs.parse('a[0][0]=b&a[0][1]=c&a[1]=d&e=2', { depth: 0 }), { 'a[0][0]': 'b', 'a[0][1]': 'c', 'a[1]': 'd', e: '2' });
90 st.end();
91 });
92
93 t.test('uses original key when depth = false', function (st) {
94 st.deepEqual(qs.parse('a[0]=b&a[1]=c', { depth: false }), { 'a[0]': 'b', 'a[1]': 'c' });
95 st.deepEqual(qs.parse('a[0][0]=b&a[0][1]=c&a[1]=d&e=2', { depth: false }), { 'a[0][0]': 'b', 'a[0][1]': 'c', 'a[1]': 'd', e: '2' });
96 st.end();
97 });
98
99 t.deepEqual(qs.parse('a=b&a=c'), { a: ['b', 'c'] }, 'parses a simple array');
100
101 t.test('parses an explicit array', function (st) {
102 st.deepEqual(qs.parse('a[]=b'), { a: ['b'] });
103 st.deepEqual(qs.parse('a[]=b&a[]=c'), { a: ['b', 'c'] });
104 st.deepEqual(qs.parse('a[]=b&a[]=c&a[]=d'), { a: ['b', 'c', 'd'] });
105 st.end();
106 });
107
108 t.test('parses a mix of simple and explicit arrays', function (st) {
109 st.deepEqual(qs.parse('a=b&a[]=c'), { a: ['b', 'c'] });
110 st.deepEqual(qs.parse('a[]=b&a=c'), { a: ['b', 'c'] });
111 st.deepEqual(qs.parse('a[0]=b&a=c'), { a: ['b', 'c'] });
112 st.deepEqual(qs.parse('a=b&a[0]=c'), { a: ['b', 'c'] });
113
114 st.deepEqual(qs.parse('a[1]=b&a=c', { arrayLimit: 20 }), { a: ['b', 'c'] });
115 st.deepEqual(qs.parse('a[]=b&a=c', { arrayLimit: 0 }), { a: ['b', 'c'] });
116 st.deepEqual(qs.parse('a[]=b&a=c'), { a: ['b', 'c'] });
117
118 st.deepEqual(qs.parse('a=b&a[1]=c', { arrayLimit: 20 }), { a: ['b', 'c'] });
119 st.deepEqual(qs.parse('a=b&a[]=c', { arrayLimit: 0 }), { a: ['b', 'c'] });
120 st.deepEqual(qs.parse('a=b&a[]=c'), { a: ['b', 'c'] });
121
122 st.end();
123 });
124
125 t.test('parses a nested array', function (st) {
126 st.deepEqual(qs.parse('a[b][]=c&a[b][]=d'), { a: { b: ['c', 'd'] } });
127 st.deepEqual(qs.parse('a[>=]=25'), { a: { '>=': '25' } });
128 st.end();
129 });
130
131 t.test('allows to specify array indices', function (st) {
132 st.deepEqual(qs.parse('a[1]=c&a[0]=b&a[2]=d'), { a: ['b', 'c', 'd'] });
133 st.deepEqual(qs.parse('a[1]=c&a[0]=b'), { a: ['b', 'c'] });
134 st.deepEqual(qs.parse('a[1]=c', { arrayLimit: 20 }), { a: ['c'] });
135 st.deepEqual(qs.parse('a[1]=c', { arrayLimit: 0 }), { a: { 1: 'c' } });
136 st.deepEqual(qs.parse('a[1]=c'), { a: ['c'] });
137 st.end();
138 });
139
140 t.test('limits specific array indices to arrayLimit', function (st) {
141 st.deepEqual(qs.parse('a[20]=a', { arrayLimit: 20 }), { a: ['a'] });
142 st.deepEqual(qs.parse('a[21]=a', { arrayLimit: 20 }), { a: { 21: 'a' } });
143
144 st.deepEqual(qs.parse('a[20]=a'), { a: ['a'] });
145 st.deepEqual(qs.parse('a[21]=a'), { a: { 21: 'a' } });
146 st.end();
147 });
148
149 t.deepEqual(qs.parse('a[12b]=c'), { a: { '12b': 'c' } }, 'supports keys that begin with a number');
150
151 t.test('supports encoded = signs', function (st) {
152 st.deepEqual(qs.parse('he%3Dllo=th%3Dere'), { 'he=llo': 'th=ere' });
153 st.end();
154 });
155
156 t.test('is ok with url encoded strings', function (st) {
157 st.deepEqual(qs.parse('a[b%20c]=d'), { a: { 'b c': 'd' } });
158 st.deepEqual(qs.parse('a[b]=c%20d'), { a: { b: 'c d' } });
159 st.end();
160 });
161
162 t.test('allows brackets in the value', function (st) {
163 st.deepEqual(qs.parse('pets=["tobi"]'), { pets: '["tobi"]' });
164 st.deepEqual(qs.parse('operators=[">=", "<="]'), { operators: '[">=", "<="]' });
165 st.end();
166 });
167
168 t.test('allows empty values', function (st) {
169 st.deepEqual(qs.parse(''), {});
170 st.deepEqual(qs.parse(null), {});
171 st.deepEqual(qs.parse(undefined), {});
172 st.end();
173 });
174
175 t.test('transforms arrays to objects', function (st) {
176 st.deepEqual(qs.parse('foo[0]=bar&foo[bad]=baz'), { foo: { 0: 'bar', bad: 'baz' } });
177 st.deepEqual(qs.parse('foo[bad]=baz&foo[0]=bar'), { foo: { bad: 'baz', 0: 'bar' } });
178 st.deepEqual(qs.parse('foo[bad]=baz&foo[]=bar'), { foo: { bad: 'baz', 0: 'bar' } });
179 st.deepEqual(qs.parse('foo[]=bar&foo[bad]=baz'), { foo: { 0: 'bar', bad: 'baz' } });
180 st.deepEqual(qs.parse('foo[bad]=baz&foo[]=bar&foo[]=foo'), { foo: { bad: 'baz', 0: 'bar', 1: 'foo' } });
181 st.deepEqual(qs.parse('foo[0][a]=a&foo[0][b]=b&foo[1][a]=aa&foo[1][b]=bb'), { foo: [{ a: 'a', b: 'b' }, { a: 'aa', b: 'bb' }] });
182
183 st.deepEqual(qs.parse('a[]=b&a[t]=u&a[hasOwnProperty]=c', { allowPrototypes: false }), { a: { 0: 'b', t: 'u' } });
184 st.deepEqual(qs.parse('a[]=b&a[t]=u&a[hasOwnProperty]=c', { allowPrototypes: true }), { a: { 0: 'b', t: 'u', hasOwnProperty: 'c' } });
185 st.deepEqual(qs.parse('a[]=b&a[hasOwnProperty]=c&a[x]=y', { allowPrototypes: false }), { a: { 0: 'b', x: 'y' } });
186 st.deepEqual(qs.parse('a[]=b&a[hasOwnProperty]=c&a[x]=y', { allowPrototypes: true }), { a: { 0: 'b', hasOwnProperty: 'c', x: 'y' } });
187 st.end();
188 });
189
190 t.test('transforms arrays to objects (dot notation)', function (st) {
191 st.deepEqual(qs.parse('foo[0].baz=bar&fool.bad=baz', { allowDots: true }), { foo: [{ baz: 'bar' }], fool: { bad: 'baz' } });
192 st.deepEqual(qs.parse('foo[0].baz=bar&fool.bad.boo=baz', { allowDots: true }), { foo: [{ baz: 'bar' }], fool: { bad: { boo: 'baz' } } });
193 st.deepEqual(qs.parse('foo[0][0].baz=bar&fool.bad=baz', { allowDots: true }), { foo: [[{ baz: 'bar' }]], fool: { bad: 'baz' } });
194 st.deepEqual(qs.parse('foo[0].baz[0]=15&foo[0].bar=2', { allowDots: true }), { foo: [{ baz: ['15'], bar: '2' }] });
195 st.deepEqual(qs.parse('foo[0].baz[0]=15&foo[0].baz[1]=16&foo[0].bar=2', { allowDots: true }), { foo: [{ baz: ['15', '16'], bar: '2' }] });
196 st.deepEqual(qs.parse('foo.bad=baz&foo[0]=bar', { allowDots: true }), { foo: { bad: 'baz', 0: 'bar' } });
197 st.deepEqual(qs.parse('foo.bad=baz&foo[]=bar', { allowDots: true }), { foo: { bad: 'baz', 0: 'bar' } });
198 st.deepEqual(qs.parse('foo[]=bar&foo.bad=baz', { allowDots: true }), { foo: { 0: 'bar', bad: 'baz' } });
199 st.deepEqual(qs.parse('foo.bad=baz&foo[]=bar&foo[]=foo', { allowDots: true }), { foo: { bad: 'baz', 0: 'bar', 1: 'foo' } });
200 st.deepEqual(qs.parse('foo[0].a=a&foo[0].b=b&foo[1].a=aa&foo[1].b=bb', { allowDots: true }), { foo: [{ a: 'a', b: 'b' }, { a: 'aa', b: 'bb' }] });
201 st.end();
202 });
203
204 t.test('correctly prunes undefined values when converting an array to an object', function (st) {
205 st.deepEqual(qs.parse('a[2]=b&a[99999999]=c'), { a: { 2: 'b', 99999999: 'c' } });
206 st.end();
207 });
208
209 t.test('supports malformed uri characters', function (st) {
210 st.deepEqual(qs.parse('{%:%}', { strictNullHandling: true }), { '{%:%}': null });
211 st.deepEqual(qs.parse('{%:%}='), { '{%:%}': '' });
212 st.deepEqual(qs.parse('foo=%:%}'), { foo: '%:%}' });
213 st.end();
214 });
215
216 t.test('doesn\'t produce empty keys', function (st) {
217 st.deepEqual(qs.parse('_r=1&'), { _r: '1' });
218 st.end();
219 });
220
221 t.test('cannot access Object prototype', function (st) {
222 qs.parse('constructor[prototype][bad]=bad');
223 qs.parse('bad[constructor][prototype][bad]=bad');
224 st.equal(typeof Object.prototype.bad, 'undefined');
225 st.end();
226 });
227
228 t.test('parses arrays of objects', function (st) {
229 st.deepEqual(qs.parse('a[][b]=c'), { a: [{ b: 'c' }] });
230 st.deepEqual(qs.parse('a[0][b]=c'), { a: [{ b: 'c' }] });
231 st.end();
232 });
233
234 t.test('allows for empty strings in arrays', function (st) {
235 st.deepEqual(qs.parse('a[]=b&a[]=&a[]=c'), { a: ['b', '', 'c'] });
236
237 st.deepEqual(
238 qs.parse('a[0]=b&a[1]&a[2]=c&a[19]=', { strictNullHandling: true, arrayLimit: 20 }),
239 { a: ['b', null, 'c', ''] },
240 'with arrayLimit 20 + array indices: null then empty string works'
241 );
242 st.deepEqual(
243 qs.parse('a[]=b&a[]&a[]=c&a[]=', { strictNullHandling: true, arrayLimit: 0 }),
244 { a: ['b', null, 'c', ''] },
245 'with arrayLimit 0 + array brackets: null then empty string works'
246 );
247
248 st.deepEqual(
249 qs.parse('a[0]=b&a[1]=&a[2]=c&a[19]', { strictNullHandling: true, arrayLimit: 20 }),
250 { a: ['b', '', 'c', null] },
251 'with arrayLimit 20 + array indices: empty string then null works'
252 );
253 st.deepEqual(
254 qs.parse('a[]=b&a[]=&a[]=c&a[]', { strictNullHandling: true, arrayLimit: 0 }),
255 { a: ['b', '', 'c', null] },
256 'with arrayLimit 0 + array brackets: empty string then null works'
257 );
258
259 st.deepEqual(
260 qs.parse('a[]=&a[]=b&a[]=c'),
261 { a: ['', 'b', 'c'] },
262 'array brackets: empty strings work'
263 );
264 st.end();
265 });
266
267 t.test('compacts sparse arrays', function (st) {
268 st.deepEqual(qs.parse('a[10]=1&a[2]=2', { arrayLimit: 20 }), { a: ['2', '1'] });
269 st.deepEqual(qs.parse('a[1][b][2][c]=1', { arrayLimit: 20 }), { a: [{ b: [{ c: '1' }] }] });
270 st.deepEqual(qs.parse('a[1][2][3][c]=1', { arrayLimit: 20 }), { a: [[[{ c: '1' }]]] });
271 st.deepEqual(qs.parse('a[1][2][3][c][1]=1', { arrayLimit: 20 }), { a: [[[{ c: ['1'] }]]] });
272 st.end();
273 });
274
275 t.test('parses sparse arrays', function (st) {
276 /* eslint no-sparse-arrays: 0 */
277 st.deepEqual(qs.parse('a[4]=1&a[1]=2', { allowSparse: true }), { a: [, '2', , , '1'] });
278 st.deepEqual(qs.parse('a[1][b][2][c]=1', { allowSparse: true }), { a: [, { b: [, , { c: '1' }] }] });
279 st.deepEqual(qs.parse('a[1][2][3][c]=1', { allowSparse: true }), { a: [, [, , [, , , { c: '1' }]]] });
280 st.deepEqual(qs.parse('a[1][2][3][c][1]=1', { allowSparse: true }), { a: [, [, , [, , , { c: [, '1'] }]]] });
281 st.end();
282 });
283
284 t.test('parses semi-parsed strings', function (st) {
285 st.deepEqual(qs.parse({ 'a[b]': 'c' }), { a: { b: 'c' } });
286 st.deepEqual(qs.parse({ 'a[b]': 'c', 'a[d]': 'e' }), { a: { b: 'c', d: 'e' } });
287 st.end();
288 });
289
290 t.test('parses buffers correctly', function (st) {
291 var b = SaferBuffer.from('test');
292 st.deepEqual(qs.parse({ a: b }), { a: b });
293 st.end();
294 });
295
296 t.test('parses jquery-param strings', function (st) {
297 // readable = 'filter[0][]=int1&filter[0][]==&filter[0][]=77&filter[]=and&filter[2][]=int2&filter[2][]==&filter[2][]=8'
298 var encoded = 'filter%5B0%5D%5B%5D=int1&filter%5B0%5D%5B%5D=%3D&filter%5B0%5D%5B%5D=77&filter%5B%5D=and&filter%5B2%5D%5B%5D=int2&filter%5B2%5D%5B%5D=%3D&filter%5B2%5D%5B%5D=8';
299 var expected = { filter: [['int1', '=', '77'], 'and', ['int2', '=', '8']] };
300 st.deepEqual(qs.parse(encoded), expected);
301 st.end();
302 });
303
304 t.test('continues parsing when no parent is found', function (st) {
305 st.deepEqual(qs.parse('[]=&a=b'), { 0: '', a: 'b' });
306 st.deepEqual(qs.parse('[]&a=b', { strictNullHandling: true }), { 0: null, a: 'b' });
307 st.deepEqual(qs.parse('[foo]=bar'), { foo: 'bar' });
308 st.end();
309 });
310
311 t.test('does not error when parsing a very long array', function (st) {
312 var str = 'a[]=a';
313 while (Buffer.byteLength(str) < 128 * 1024) {
314 str = str + '&' + str;
315 }
316
317 st.doesNotThrow(function () {
318 qs.parse(str);
319 });
320
321 st.end();
322 });
323
324 t.test('should not throw when a native prototype has an enumerable property', function (st) {
325 Object.prototype.crash = '';
326 Array.prototype.crash = '';
327 st.doesNotThrow(qs.parse.bind(null, 'a=b'));
328 st.deepEqual(qs.parse('a=b'), { a: 'b' });
329 st.doesNotThrow(qs.parse.bind(null, 'a[][b]=c'));
330 st.deepEqual(qs.parse('a[][b]=c'), { a: [{ b: 'c' }] });
331 delete Object.prototype.crash;
332 delete Array.prototype.crash;
333 st.end();
334 });
335
336 t.test('parses a string with an alternative string delimiter', function (st) {
337 st.deepEqual(qs.parse('a=b;c=d', { delimiter: ';' }), { a: 'b', c: 'd' });
338 st.end();
339 });
340
341 t.test('parses a string with an alternative RegExp delimiter', function (st) {
342 st.deepEqual(qs.parse('a=b; c=d', { delimiter: /[;,] */ }), { a: 'b', c: 'd' });
343 st.end();
344 });
345
346 t.test('does not use non-splittable objects as delimiters', function (st) {
347 st.deepEqual(qs.parse('a=b&c=d', { delimiter: true }), { a: 'b', c: 'd' });
348 st.end();
349 });
350
351 t.test('allows overriding parameter limit', function (st) {
352 st.deepEqual(qs.parse('a=b&c=d', { parameterLimit: 1 }), { a: 'b' });
353 st.end();
354 });
355
356 t.test('allows setting the parameter limit to Infinity', function (st) {
357 st.deepEqual(qs.parse('a=b&c=d', { parameterLimit: Infinity }), { a: 'b', c: 'd' });
358 st.end();
359 });
360
361 t.test('allows overriding array limit', function (st) {
362 st.deepEqual(qs.parse('a[0]=b', { arrayLimit: -1 }), { a: { 0: 'b' } });
363 st.deepEqual(qs.parse('a[-1]=b', { arrayLimit: -1 }), { a: { '-1': 'b' } });
364 st.deepEqual(qs.parse('a[0]=b&a[1]=c', { arrayLimit: 0 }), { a: { 0: 'b', 1: 'c' } });
365 st.end();
366 });
367
368 t.test('allows disabling array parsing', function (st) {
369 var indices = qs.parse('a[0]=b&a[1]=c', { parseArrays: false });
370 st.deepEqual(indices, { a: { 0: 'b', 1: 'c' } });
371 st.equal(Array.isArray(indices.a), false, 'parseArrays:false, indices case is not an array');
372
373 var emptyBrackets = qs.parse('a[]=b', { parseArrays: false });
374 st.deepEqual(emptyBrackets, { a: { 0: 'b' } });
375 st.equal(Array.isArray(emptyBrackets.a), false, 'parseArrays:false, empty brackets case is not an array');
376
377 st.end();
378 });
379
380 t.test('allows for query string prefix', function (st) {
381 st.deepEqual(qs.parse('?foo=bar', { ignoreQueryPrefix: true }), { foo: 'bar' });
382 st.deepEqual(qs.parse('foo=bar', { ignoreQueryPrefix: true }), { foo: 'bar' });
383 st.deepEqual(qs.parse('?foo=bar', { ignoreQueryPrefix: false }), { '?foo': 'bar' });
384
385 st.end();
386 });
387
388 t.test('parses an object', function (st) {
389 var input = {
390 'user[name]': { 'pop[bob]': 3 },
391 'user[email]': null
392 };
393
394 var expected = {
395 user: {
396 name: { 'pop[bob]': 3 },
397 email: null
398 }
399 };
400
401 var result = qs.parse(input);
402
403 st.deepEqual(result, expected);
404 st.end();
405 });
406
407 t.test('parses string with comma as array divider', function (st) {
408 st.deepEqual(qs.parse('foo=bar,tee', { comma: true }), { foo: ['bar', 'tee'] });
409 st.deepEqual(qs.parse('foo[bar]=coffee,tee', { comma: true }), { foo: { bar: ['coffee', 'tee'] } });
410 st.deepEqual(qs.parse('foo=', { comma: true }), { foo: '' });
411 st.deepEqual(qs.parse('foo', { comma: true }), { foo: '' });
412 st.deepEqual(qs.parse('foo', { comma: true, strictNullHandling: true }), { foo: null });
413
414 // test cases inversed from from stringify tests
415 st.deepEqual(qs.parse('a[0]=c'), { a: ['c'] });
416 st.deepEqual(qs.parse('a[]=c'), { a: ['c'] });
417 st.deepEqual(qs.parse('a[]=c', { comma: true }), { a: ['c'] });
418
419 st.deepEqual(qs.parse('a[0]=c&a[1]=d'), { a: ['c', 'd'] });
420 st.deepEqual(qs.parse('a[]=c&a[]=d'), { a: ['c', 'd'] });
421 st.deepEqual(qs.parse('a=c,d', { comma: true }), { a: ['c', 'd'] });
422
423 st.end();
424 });
425
426 t.test('parses values with comma as array divider', function (st) {
427 st.deepEqual(qs.parse({ foo: 'bar,tee' }, { comma: false }), { foo: 'bar,tee' });
428 st.deepEqual(qs.parse({ foo: 'bar,tee' }, { comma: true }), { foo: ['bar', 'tee'] });
429 st.end();
430 });
431
432 t.test('use number decoder, parses string that has one number with comma option enabled', function (st) {
433 var decoder = function (str, defaultDecoder, charset, type) {
434 if (!isNaN(Number(str))) {
435 return parseFloat(str);
436 }
437 return defaultDecoder(str, defaultDecoder, charset, type);
438 };
439
440 st.deepEqual(qs.parse('foo=1', { comma: true, decoder: decoder }), { foo: 1 });
441 st.deepEqual(qs.parse('foo=0', { comma: true, decoder: decoder }), { foo: 0 });
442
443 st.end();
444 });
445
446 t.test('parses brackets holds array of arrays when having two parts of strings with comma as array divider', function (st) {
447 st.deepEqual(qs.parse('foo[]=1,2,3&foo[]=4,5,6', { comma: true }), { foo: [['1', '2', '3'], ['4', '5', '6']] });
448 st.deepEqual(qs.parse('foo[]=1,2,3&foo[]=', { comma: true }), { foo: [['1', '2', '3'], ''] });
449 st.deepEqual(qs.parse('foo[]=1,2,3&foo[]=,', { comma: true }), { foo: [['1', '2', '3'], ['', '']] });
450 st.deepEqual(qs.parse('foo[]=1,2,3&foo[]=a', { comma: true }), { foo: [['1', '2', '3'], 'a'] });
451
452 st.end();
453 });
454
455 t.test('parses comma delimited array while having percent-encoded comma treated as normal text', function (st) {
456 st.deepEqual(qs.parse('foo=a%2Cb', { comma: true }), { foo: 'a,b' });
457 st.deepEqual(qs.parse('foo=a%2C%20b,d', { comma: true }), { foo: ['a, b', 'd'] });
458 st.deepEqual(qs.parse('foo=a%2C%20b,c%2C%20d', { comma: true }), { foo: ['a, b', 'c, d'] });
459
460 st.end();
461 });
462
463 t.test('parses an object in dot notation', function (st) {
464 var input = {
465 'user.name': { 'pop[bob]': 3 },
466 'user.email.': null
467 };
468
469 var expected = {
470 user: {
471 name: { 'pop[bob]': 3 },
472 email: null
473 }
474 };
475
476 var result = qs.parse(input, { allowDots: true });
477
478 st.deepEqual(result, expected);
479 st.end();
480 });
481
482 t.test('parses an object and not child values', function (st) {
483 var input = {
484 'user[name]': { 'pop[bob]': { test: 3 } },
485 'user[email]': null
486 };
487
488 var expected = {
489 user: {
490 name: { 'pop[bob]': { test: 3 } },
491 email: null
492 }
493 };
494
495 var result = qs.parse(input);
496
497 st.deepEqual(result, expected);
498 st.end();
499 });
500
501 t.test('does not blow up when Buffer global is missing', function (st) {
502 var tempBuffer = global.Buffer;
503 delete global.Buffer;
504 var result = qs.parse('a=b&c=d');
505 global.Buffer = tempBuffer;
506 st.deepEqual(result, { a: 'b', c: 'd' });
507 st.end();
508 });
509
510 t.test('does not crash when parsing circular references', function (st) {
511 var a = {};
512 a.b = a;
513
514 var parsed;
515
516 st.doesNotThrow(function () {
517 parsed = qs.parse({ 'foo[bar]': 'baz', 'foo[baz]': a });
518 });
519
520 st.equal('foo' in parsed, true, 'parsed has "foo" property');
521 st.equal('bar' in parsed.foo, true);
522 st.equal('baz' in parsed.foo, true);
523 st.equal(parsed.foo.bar, 'baz');
524 st.deepEqual(parsed.foo.baz, a);
525 st.end();
526 });
527
528 t.test('does not crash when parsing deep objects', function (st) {
529 var parsed;
530 var str = 'foo';
531
532 for (var i = 0; i < 5000; i++) {
533 str += '[p]';
534 }
535
536 str += '=bar';
537
538 st.doesNotThrow(function () {
539 parsed = qs.parse(str, { depth: 5000 });
540 });
541
542 st.equal('foo' in parsed, true, 'parsed has "foo" property');
543
544 var depth = 0;
545 var ref = parsed.foo;
546 while ((ref = ref.p)) {
547 depth += 1;
548 }
549
550 st.equal(depth, 5000, 'parsed is 5000 properties deep');
551
552 st.end();
553 });
554
555 t.test('parses null objects correctly', { skip: !Object.create }, function (st) {
556 var a = Object.create(null);
557 a.b = 'c';
558
559 st.deepEqual(qs.parse(a), { b: 'c' });
560 var result = qs.parse({ a: a });
561 st.equal('a' in result, true, 'result has "a" property');
562 st.deepEqual(result.a, a);
563 st.end();
564 });
565
566 t.test('parses dates correctly', function (st) {
567 var now = new Date();
568 st.deepEqual(qs.parse({ a: now }), { a: now });
569 st.end();
570 });
571
572 t.test('parses regular expressions correctly', function (st) {
573 var re = /^test$/;
574 st.deepEqual(qs.parse({ a: re }), { a: re });
575 st.end();
576 });
577
578 t.test('does not allow overwriting prototype properties', function (st) {
579 st.deepEqual(qs.parse('a[hasOwnProperty]=b', { allowPrototypes: false }), {});
580 st.deepEqual(qs.parse('hasOwnProperty=b', { allowPrototypes: false }), {});
581
582 st.deepEqual(
583 qs.parse('toString', { allowPrototypes: false }),
584 {},
585 'bare "toString" results in {}'
586 );
587
588 st.end();
589 });
590
591 t.test('can allow overwriting prototype properties', function (st) {
592 st.deepEqual(qs.parse('a[hasOwnProperty]=b', { allowPrototypes: true }), { a: { hasOwnProperty: 'b' } });
593 st.deepEqual(qs.parse('hasOwnProperty=b', { allowPrototypes: true }), { hasOwnProperty: 'b' });
594
595 st.deepEqual(
596 qs.parse('toString', { allowPrototypes: true }),
597 { toString: '' },
598 'bare "toString" results in { toString: "" }'
599 );
600
601 st.end();
602 });
603
604 t.test('params starting with a closing bracket', function (st) {
605 st.deepEqual(qs.parse(']=toString'), { ']': 'toString' });
606 st.deepEqual(qs.parse(']]=toString'), { ']]': 'toString' });
607 st.deepEqual(qs.parse(']hello]=toString'), { ']hello]': 'toString' });
608 st.end();
609 });
610
611 t.test('params starting with a starting bracket', function (st) {
612 st.deepEqual(qs.parse('[=toString'), { '[': 'toString' });
613 st.deepEqual(qs.parse('[[=toString'), { '[[': 'toString' });
614 st.deepEqual(qs.parse('[hello[=toString'), { '[hello[': 'toString' });
615 st.end();
616 });
617
618 t.test('add keys to objects', function (st) {
619 st.deepEqual(
620 qs.parse('a[b]=c&a=d'),
621 { a: { b: 'c', d: true } },
622 'can add keys to objects'
623 );
624
625 st.deepEqual(
626 qs.parse('a[b]=c&a=toString'),
627 { a: { b: 'c' } },
628 'can not overwrite prototype'
629 );
630
631 st.deepEqual(
632 qs.parse('a[b]=c&a=toString', { allowPrototypes: true }),
633 { a: { b: 'c', toString: true } },
634 'can overwrite prototype with allowPrototypes true'
635 );
636
637 st.deepEqual(
638 qs.parse('a[b]=c&a=toString', { plainObjects: true }),
639 { __proto__: null, a: { __proto__: null, b: 'c', toString: true } },
640 'can overwrite prototype with plainObjects true'
641 );
642
643 st.end();
644 });
645
646 t.test('dunder proto is ignored', function (st) {
647 var payload = 'categories[__proto__]=login&categories[__proto__]&categories[length]=42';
648 var result = qs.parse(payload, { allowPrototypes: true });
649
650 st.deepEqual(
651 result,
652 {
653 categories: {
654 length: '42'
655 }
656 },
657 'silent [[Prototype]] payload'
658 );
659
660 var plainResult = qs.parse(payload, { allowPrototypes: true, plainObjects: true });
661
662 st.deepEqual(
663 plainResult,
664 {
665 __proto__: null,
666 categories: {
667 __proto__: null,
668 length: '42'
669 }
670 },
671 'silent [[Prototype]] payload: plain objects'
672 );
673
674 var query = qs.parse('categories[__proto__]=cats&categories[__proto__]=dogs&categories[some][json]=toInject', { allowPrototypes: true });
675
676 st.notOk(Array.isArray(query.categories), 'is not an array');
677 st.notOk(query.categories instanceof Array, 'is not instanceof an array');
678 st.deepEqual(query.categories, { some: { json: 'toInject' } });
679 st.equal(JSON.stringify(query.categories), '{"some":{"json":"toInject"}}', 'stringifies as a non-array');
680
681 st.deepEqual(
682 qs.parse('foo[__proto__][hidden]=value&foo[bar]=stuffs', { allowPrototypes: true }),
683 {
684 foo: {
685 bar: 'stuffs'
686 }
687 },
688 'hidden values'
689 );
690
691 st.deepEqual(
692 qs.parse('foo[__proto__][hidden]=value&foo[bar]=stuffs', { allowPrototypes: true, plainObjects: true }),
693 {
694 __proto__: null,
695 foo: {
696 __proto__: null,
697 bar: 'stuffs'
698 }
699 },
700 'hidden values: plain objects'
701 );
702
703 st.end();
704 });
705
706 t.test('can return null objects', { skip: !Object.create }, function (st) {
707 var expected = Object.create(null);
708 expected.a = Object.create(null);
709 expected.a.b = 'c';
710 expected.a.hasOwnProperty = 'd';
711 st.deepEqual(qs.parse('a[b]=c&a[hasOwnProperty]=d', { plainObjects: true }), expected);
712 st.deepEqual(qs.parse(null, { plainObjects: true }), Object.create(null));
713 var expectedArray = Object.create(null);
714 expectedArray.a = Object.create(null);
715 expectedArray.a[0] = 'b';
716 expectedArray.a.c = 'd';
717 st.deepEqual(qs.parse('a[]=b&a[c]=d', { plainObjects: true }), expectedArray);
718 st.end();
719 });
720
721 t.test('can parse with custom encoding', function (st) {
722 st.deepEqual(qs.parse('%8c%a7=%91%e5%8d%e3%95%7b', {
723 decoder: function (str) {
724 var reg = /%([0-9A-F]{2})/ig;
725 var result = [];
726 var parts = reg.exec(str);
727 while (parts) {
728 result.push(parseInt(parts[1], 16));
729 parts = reg.exec(str);
730 }
731 return String(iconv.decode(SaferBuffer.from(result), 'shift_jis'));
732 }
733 }), { 県: '大阪府' });
734 st.end();
735 });
736
737 t.test('receives the default decoder as a second argument', function (st) {
738 st.plan(1);
739 qs.parse('a', {
740 decoder: function (str, defaultDecoder) {
741 st.equal(defaultDecoder, utils.decode);
742 }
743 });
744 st.end();
745 });
746
747 t.test('throws error with wrong decoder', function (st) {
748 st['throws'](function () {
749 qs.parse({}, { decoder: 'string' });
750 }, new TypeError('Decoder has to be a function.'));
751 st.end();
752 });
753
754 t.test('does not mutate the options argument', function (st) {
755 var options = {};
756 qs.parse('a[b]=true', options);
757 st.deepEqual(options, {});
758 st.end();
759 });
760
761 t.test('throws if an invalid charset is specified', function (st) {
762 st['throws'](function () {
763 qs.parse('a=b', { charset: 'foobar' });
764 }, new TypeError('The charset option must be either utf-8, iso-8859-1, or undefined'));
765 st.end();
766 });
767
768 t.test('parses an iso-8859-1 string if asked to', function (st) {
769 st.deepEqual(qs.parse('%A2=%BD', { charset: 'iso-8859-1' }), { '¢': '½' });
770 st.end();
771 });
772
773 var urlEncodedCheckmarkInUtf8 = '%E2%9C%93';
774 var urlEncodedOSlashInUtf8 = '%C3%B8';
775 var urlEncodedNumCheckmark = '%26%2310003%3B';
776 var urlEncodedNumSmiley = '%26%239786%3B';
777
778 t.test('prefers an utf-8 charset specified by the utf8 sentinel to a default charset of iso-8859-1', function (st) {
779 st.deepEqual(qs.parse('utf8=' + urlEncodedCheckmarkInUtf8 + '&' + urlEncodedOSlashInUtf8 + '=' + urlEncodedOSlashInUtf8, { charsetSentinel: true, charset: 'iso-8859-1' }), { ø: 'ø' });
780 st.end();
781 });
782
783 t.test('prefers an iso-8859-1 charset specified by the utf8 sentinel to a default charset of utf-8', function (st) {
784 st.deepEqual(qs.parse('utf8=' + urlEncodedNumCheckmark + '&' + urlEncodedOSlashInUtf8 + '=' + urlEncodedOSlashInUtf8, { charsetSentinel: true, charset: 'utf-8' }), { 'ø': 'ø' });
785 st.end();
786 });
787
788 t.test('does not require the utf8 sentinel to be defined before the parameters whose decoding it affects', function (st) {
789 st.deepEqual(qs.parse('a=' + urlEncodedOSlashInUtf8 + '&utf8=' + urlEncodedNumCheckmark, { charsetSentinel: true, charset: 'utf-8' }), { a: 'ø' });
790 st.end();
791 });
792
793 t.test('should ignore an utf8 sentinel with an unknown value', function (st) {
794 st.deepEqual(qs.parse('utf8=foo&' + urlEncodedOSlashInUtf8 + '=' + urlEncodedOSlashInUtf8, { charsetSentinel: true, charset: 'utf-8' }), { ø: 'ø' });
795 st.end();
796 });
797
798 t.test('uses the utf8 sentinel to switch to utf-8 when no default charset is given', function (st) {
799 st.deepEqual(qs.parse('utf8=' + urlEncodedCheckmarkInUtf8 + '&' + urlEncodedOSlashInUtf8 + '=' + urlEncodedOSlashInUtf8, { charsetSentinel: true }), { ø: 'ø' });
800 st.end();
801 });
802
803 t.test('uses the utf8 sentinel to switch to iso-8859-1 when no default charset is given', function (st) {
804 st.deepEqual(qs.parse('utf8=' + urlEncodedNumCheckmark + '&' + urlEncodedOSlashInUtf8 + '=' + urlEncodedOSlashInUtf8, { charsetSentinel: true }), { 'ø': 'ø' });
805 st.end();
806 });
807
808 t.test('interprets numeric entities in iso-8859-1 when `interpretNumericEntities`', function (st) {
809 st.deepEqual(qs.parse('foo=' + urlEncodedNumSmiley, { charset: 'iso-8859-1', interpretNumericEntities: true }), { foo: '☺' });
810 st.end();
811 });
812
813 t.test('handles a custom decoder returning `null`, in the `iso-8859-1` charset, when `interpretNumericEntities`', function (st) {
814 st.deepEqual(qs.parse('foo=&bar=' + urlEncodedNumSmiley, {
815 charset: 'iso-8859-1',
816 decoder: function (str, defaultDecoder, charset) {
817 return str ? defaultDecoder(str, defaultDecoder, charset) : null;
818 },
819 interpretNumericEntities: true
820 }), { foo: null, bar: '☺' });
821 st.end();
822 });
823
824 t.test('does not interpret numeric entities in iso-8859-1 when `interpretNumericEntities` is absent', function (st) {
825 st.deepEqual(qs.parse('foo=' + urlEncodedNumSmiley, { charset: 'iso-8859-1' }), { foo: '&#9786;' });
826 st.end();
827 });
828
829 t.test('does not interpret numeric entities when the charset is utf-8, even when `interpretNumericEntities`', function (st) {
830 st.deepEqual(qs.parse('foo=' + urlEncodedNumSmiley, { charset: 'utf-8', interpretNumericEntities: true }), { foo: '&#9786;' });
831 st.end();
832 });
833
834 t.test('does not interpret %uXXXX syntax in iso-8859-1 mode', function (st) {
835 st.deepEqual(qs.parse('%u263A=%u263A', { charset: 'iso-8859-1' }), { '%u263A': '%u263A' });
836 st.end();
837 });
838
839 t.test('allows for decoding keys and values differently', function (st) {
840 var decoder = function (str, defaultDecoder, charset, type) {
841 if (type === 'key') {
842 return defaultDecoder(str, defaultDecoder, charset, type).toLowerCase();
843 }
844 if (type === 'value') {
845 return defaultDecoder(str, defaultDecoder, charset, type).toUpperCase();
846 }
847 throw 'this should never happen! type: ' + type;
848 };
849
850 st.deepEqual(qs.parse('KeY=vAlUe', { decoder: decoder }), { key: 'VALUE' });
851 st.end();
852 });
853
854 t.end();
855});
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