parse.js (22265B)
1 'use strict'; 2 3 var test = require('tape'); 4 var qs = require('../'); 5 var utils = require('../lib/utils'); 6 var iconv = require('iconv-lite'); 7 var SaferBuffer = require('safer-buffer').Buffer; 8 9 test('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('allows enabling dot notation', function (st) { 36 st.deepEqual(qs.parse('a.b=c'), { 'a.b': 'c' }); 37 st.deepEqual(qs.parse('a.b=c', { allowDots: true }), { a: { b: 'c' } }); 38 st.end(); 39 }); 40 41 t.deepEqual(qs.parse('a[b]=c'), { a: { b: 'c' } }, 'parses a single nested string'); 42 t.deepEqual(qs.parse('a[b][c]=d'), { a: { b: { c: 'd' } } }, 'parses a double nested string'); 43 t.deepEqual( 44 qs.parse('a[b][c][d][e][f][g][h]=i'), 45 { a: { b: { c: { d: { e: { f: { '[g][h]': 'i' } } } } } } }, 46 'defaults to a depth of 5' 47 ); 48 49 t.test('only parses one level when depth = 1', function (st) { 50 st.deepEqual(qs.parse('a[b][c]=d', { depth: 1 }), { a: { b: { '[c]': 'd' } } }); 51 st.deepEqual(qs.parse('a[b][c][d]=e', { depth: 1 }), { a: { b: { '[c][d]': 'e' } } }); 52 st.end(); 53 }); 54 55 t.deepEqual(qs.parse('a=b&a=c'), { a: ['b', 'c'] }, 'parses a simple array'); 56 57 t.test('parses an explicit array', function (st) { 58 st.deepEqual(qs.parse('a[]=b'), { a: ['b'] }); 59 st.deepEqual(qs.parse('a[]=b&a[]=c'), { a: ['b', 'c'] }); 60 st.deepEqual(qs.parse('a[]=b&a[]=c&a[]=d'), { a: ['b', 'c', 'd'] }); 61 st.end(); 62 }); 63 64 t.test('parses a mix of simple and explicit arrays', function (st) { 65 st.deepEqual(qs.parse('a=b&a[]=c'), { a: ['b', 'c'] }); 66 st.deepEqual(qs.parse('a[]=b&a=c'), { a: ['b', 'c'] }); 67 st.deepEqual(qs.parse('a[0]=b&a=c'), { a: ['b', 'c'] }); 68 st.deepEqual(qs.parse('a=b&a[0]=c'), { a: ['b', 'c'] }); 69 70 st.deepEqual(qs.parse('a[1]=b&a=c', { arrayLimit: 20 }), { a: ['b', 'c'] }); 71 st.deepEqual(qs.parse('a[]=b&a=c', { arrayLimit: 0 }), { a: ['b', 'c'] }); 72 st.deepEqual(qs.parse('a[]=b&a=c'), { a: ['b', 'c'] }); 73 74 st.deepEqual(qs.parse('a=b&a[1]=c', { arrayLimit: 20 }), { a: ['b', 'c'] }); 75 st.deepEqual(qs.parse('a=b&a[]=c', { arrayLimit: 0 }), { a: ['b', 'c'] }); 76 st.deepEqual(qs.parse('a=b&a[]=c'), { a: ['b', 'c'] }); 77 78 st.end(); 79 }); 80 81 t.test('parses a nested array', function (st) { 82 st.deepEqual(qs.parse('a[b][]=c&a[b][]=d'), { a: { b: ['c', 'd'] } }); 83 st.deepEqual(qs.parse('a[>=]=25'), { a: { '>=': '25' } }); 84 st.end(); 85 }); 86 87 t.test('allows to specify array indices', function (st) { 88 st.deepEqual(qs.parse('a[1]=c&a[0]=b&a[2]=d'), { a: ['b', 'c', 'd'] }); 89 st.deepEqual(qs.parse('a[1]=c&a[0]=b'), { a: ['b', 'c'] }); 90 st.deepEqual(qs.parse('a[1]=c', { arrayLimit: 20 }), { a: ['c'] }); 91 st.deepEqual(qs.parse('a[1]=c', { arrayLimit: 0 }), { a: { 1: 'c' } }); 92 st.deepEqual(qs.parse('a[1]=c'), { a: ['c'] }); 93 st.end(); 94 }); 95 96 t.test('limits specific array indices to arrayLimit', function (st) { 97 st.deepEqual(qs.parse('a[20]=a', { arrayLimit: 20 }), { a: ['a'] }); 98 st.deepEqual(qs.parse('a[21]=a', { arrayLimit: 20 }), { a: { 21: 'a' } }); 99 st.end(); 100 }); 101 102 t.deepEqual(qs.parse('a[12b]=c'), { a: { '12b': 'c' } }, 'supports keys that begin with a number'); 103 104 t.test('supports encoded = signs', function (st) { 105 st.deepEqual(qs.parse('he%3Dllo=th%3Dere'), { 'he=llo': 'th=ere' }); 106 st.end(); 107 }); 108 109 t.test('is ok with url encoded strings', function (st) { 110 st.deepEqual(qs.parse('a[b%20c]=d'), { a: { 'b c': 'd' } }); 111 st.deepEqual(qs.parse('a[b]=c%20d'), { a: { b: 'c d' } }); 112 st.end(); 113 }); 114 115 t.test('allows brackets in the value', function (st) { 116 st.deepEqual(qs.parse('pets=["tobi"]'), { pets: '["tobi"]' }); 117 st.deepEqual(qs.parse('operators=[">=", "<="]'), { operators: '[">=", "<="]' }); 118 st.end(); 119 }); 120 121 t.test('allows empty values', function (st) { 122 st.deepEqual(qs.parse(''), {}); 123 st.deepEqual(qs.parse(null), {}); 124 st.deepEqual(qs.parse(undefined), {}); 125 st.end(); 126 }); 127 128 t.test('transforms arrays to objects', function (st) { 129 st.deepEqual(qs.parse('foo[0]=bar&foo[bad]=baz'), { foo: { 0: 'bar', bad: 'baz' } }); 130 st.deepEqual(qs.parse('foo[bad]=baz&foo[0]=bar'), { foo: { bad: 'baz', 0: 'bar' } }); 131 st.deepEqual(qs.parse('foo[bad]=baz&foo[]=bar'), { foo: { bad: 'baz', 0: 'bar' } }); 132 st.deepEqual(qs.parse('foo[]=bar&foo[bad]=baz'), { foo: { 0: 'bar', bad: 'baz' } }); 133 st.deepEqual(qs.parse('foo[bad]=baz&foo[]=bar&foo[]=foo'), { foo: { bad: 'baz', 0: 'bar', 1: 'foo' } }); 134 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' }] }); 135 136 st.deepEqual(qs.parse('a[]=b&a[t]=u&a[hasOwnProperty]=c', { allowPrototypes: false }), { a: { 0: 'b', t: 'u' } }); 137 st.deepEqual(qs.parse('a[]=b&a[t]=u&a[hasOwnProperty]=c', { allowPrototypes: true }), { a: { 0: 'b', t: 'u', hasOwnProperty: 'c' } }); 138 st.deepEqual(qs.parse('a[]=b&a[hasOwnProperty]=c&a[x]=y', { allowPrototypes: false }), { a: { 0: 'b', x: 'y' } }); 139 st.deepEqual(qs.parse('a[]=b&a[hasOwnProperty]=c&a[x]=y', { allowPrototypes: true }), { a: { 0: 'b', hasOwnProperty: 'c', x: 'y' } }); 140 st.end(); 141 }); 142 143 t.test('transforms arrays to objects (dot notation)', function (st) { 144 st.deepEqual(qs.parse('foo[0].baz=bar&fool.bad=baz', { allowDots: true }), { foo: [{ baz: 'bar' }], fool: { bad: 'baz' } }); 145 st.deepEqual(qs.parse('foo[0].baz=bar&fool.bad.boo=baz', { allowDots: true }), { foo: [{ baz: 'bar' }], fool: { bad: { boo: 'baz' } } }); 146 st.deepEqual(qs.parse('foo[0][0].baz=bar&fool.bad=baz', { allowDots: true }), { foo: [[{ baz: 'bar' }]], fool: { bad: 'baz' } }); 147 st.deepEqual(qs.parse('foo[0].baz[0]=15&foo[0].bar=2', { allowDots: true }), { foo: [{ baz: ['15'], bar: '2' }] }); 148 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' }] }); 149 st.deepEqual(qs.parse('foo.bad=baz&foo[0]=bar', { allowDots: true }), { foo: { bad: 'baz', 0: 'bar' } }); 150 st.deepEqual(qs.parse('foo.bad=baz&foo[]=bar', { allowDots: true }), { foo: { bad: 'baz', 0: 'bar' } }); 151 st.deepEqual(qs.parse('foo[]=bar&foo.bad=baz', { allowDots: true }), { foo: { 0: 'bar', bad: 'baz' } }); 152 st.deepEqual(qs.parse('foo.bad=baz&foo[]=bar&foo[]=foo', { allowDots: true }), { foo: { bad: 'baz', 0: 'bar', 1: 'foo' } }); 153 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' }] }); 154 st.end(); 155 }); 156 157 t.test('correctly prunes undefined values when converting an array to an object', function (st) { 158 st.deepEqual(qs.parse('a[2]=b&a[99999999]=c'), { a: { 2: 'b', 99999999: 'c' } }); 159 st.end(); 160 }); 161 162 t.test('supports malformed uri characters', function (st) { 163 st.deepEqual(qs.parse('{%:%}', { strictNullHandling: true }), { '{%:%}': null }); 164 st.deepEqual(qs.parse('{%:%}='), { '{%:%}': '' }); 165 st.deepEqual(qs.parse('foo=%:%}'), { foo: '%:%}' }); 166 st.end(); 167 }); 168 169 t.test('doesn\'t produce empty keys', function (st) { 170 st.deepEqual(qs.parse('_r=1&'), { _r: '1' }); 171 st.end(); 172 }); 173 174 t.test('cannot access Object prototype', function (st) { 175 qs.parse('constructor[prototype][bad]=bad'); 176 qs.parse('bad[constructor][prototype][bad]=bad'); 177 st.equal(typeof Object.prototype.bad, 'undefined'); 178 st.end(); 179 }); 180 181 t.test('parses arrays of objects', function (st) { 182 st.deepEqual(qs.parse('a[][b]=c'), { a: [{ b: 'c' }] }); 183 st.deepEqual(qs.parse('a[0][b]=c'), { a: [{ b: 'c' }] }); 184 st.end(); 185 }); 186 187 t.test('allows for empty strings in arrays', function (st) { 188 st.deepEqual(qs.parse('a[]=b&a[]=&a[]=c'), { a: ['b', '', 'c'] }); 189 190 st.deepEqual( 191 qs.parse('a[0]=b&a[1]&a[2]=c&a[19]=', { strictNullHandling: true, arrayLimit: 20 }), 192 { a: ['b', null, 'c', ''] }, 193 'with arrayLimit 20 + array indices: null then empty string works' 194 ); 195 st.deepEqual( 196 qs.parse('a[]=b&a[]&a[]=c&a[]=', { strictNullHandling: true, arrayLimit: 0 }), 197 { a: ['b', null, 'c', ''] }, 198 'with arrayLimit 0 + array brackets: null then empty string works' 199 ); 200 201 st.deepEqual( 202 qs.parse('a[0]=b&a[1]=&a[2]=c&a[19]', { strictNullHandling: true, arrayLimit: 20 }), 203 { a: ['b', '', 'c', null] }, 204 'with arrayLimit 20 + array indices: empty string then null works' 205 ); 206 st.deepEqual( 207 qs.parse('a[]=b&a[]=&a[]=c&a[]', { strictNullHandling: true, arrayLimit: 0 }), 208 { a: ['b', '', 'c', null] }, 209 'with arrayLimit 0 + array brackets: empty string then null works' 210 ); 211 212 st.deepEqual( 213 qs.parse('a[]=&a[]=b&a[]=c'), 214 { a: ['', 'b', 'c'] }, 215 'array brackets: empty strings work' 216 ); 217 st.end(); 218 }); 219 220 t.test('compacts sparse arrays', function (st) { 221 st.deepEqual(qs.parse('a[10]=1&a[2]=2', { arrayLimit: 20 }), { a: ['2', '1'] }); 222 st.deepEqual(qs.parse('a[1][b][2][c]=1', { arrayLimit: 20 }), { a: [{ b: [{ c: '1' }] }] }); 223 st.deepEqual(qs.parse('a[1][2][3][c]=1', { arrayLimit: 20 }), { a: [[[{ c: '1' }]]] }); 224 st.deepEqual(qs.parse('a[1][2][3][c][1]=1', { arrayLimit: 20 }), { a: [[[{ c: ['1'] }]]] }); 225 st.end(); 226 }); 227 228 t.test('parses semi-parsed strings', function (st) { 229 st.deepEqual(qs.parse({ 'a[b]': 'c' }), { a: { b: 'c' } }); 230 st.deepEqual(qs.parse({ 'a[b]': 'c', 'a[d]': 'e' }), { a: { b: 'c', d: 'e' } }); 231 st.end(); 232 }); 233 234 t.test('parses buffers correctly', function (st) { 235 var b = SaferBuffer.from('test'); 236 st.deepEqual(qs.parse({ a: b }), { a: b }); 237 st.end(); 238 }); 239 240 t.test('continues parsing when no parent is found', function (st) { 241 st.deepEqual(qs.parse('[]=&a=b'), { 0: '', a: 'b' }); 242 st.deepEqual(qs.parse('[]&a=b', { strictNullHandling: true }), { 0: null, a: 'b' }); 243 st.deepEqual(qs.parse('[foo]=bar'), { foo: 'bar' }); 244 st.end(); 245 }); 246 247 t.test('does not error when parsing a very long array', function (st) { 248 var str = 'a[]=a'; 249 while (Buffer.byteLength(str) < 128 * 1024) { 250 str = str + '&' + str; 251 } 252 253 st.doesNotThrow(function () { 254 qs.parse(str); 255 }); 256 257 st.end(); 258 }); 259 260 t.test('should not throw when a native prototype has an enumerable property', { parallel: false }, function (st) { 261 Object.prototype.crash = ''; 262 Array.prototype.crash = ''; 263 st.doesNotThrow(qs.parse.bind(null, 'a=b')); 264 st.deepEqual(qs.parse('a=b'), { a: 'b' }); 265 st.doesNotThrow(qs.parse.bind(null, 'a[][b]=c')); 266 st.deepEqual(qs.parse('a[][b]=c'), { a: [{ b: 'c' }] }); 267 delete Object.prototype.crash; 268 delete Array.prototype.crash; 269 st.end(); 270 }); 271 272 t.test('parses a string with an alternative string delimiter', function (st) { 273 st.deepEqual(qs.parse('a=b;c=d', { delimiter: ';' }), { a: 'b', c: 'd' }); 274 st.end(); 275 }); 276 277 t.test('parses a string with an alternative RegExp delimiter', function (st) { 278 st.deepEqual(qs.parse('a=b; c=d', { delimiter: /[;,] */ }), { a: 'b', c: 'd' }); 279 st.end(); 280 }); 281 282 t.test('does not use non-splittable objects as delimiters', function (st) { 283 st.deepEqual(qs.parse('a=b&c=d', { delimiter: true }), { a: 'b', c: 'd' }); 284 st.end(); 285 }); 286 287 t.test('allows overriding parameter limit', function (st) { 288 st.deepEqual(qs.parse('a=b&c=d', { parameterLimit: 1 }), { a: 'b' }); 289 st.end(); 290 }); 291 292 t.test('allows setting the parameter limit to Infinity', function (st) { 293 st.deepEqual(qs.parse('a=b&c=d', { parameterLimit: Infinity }), { a: 'b', c: 'd' }); 294 st.end(); 295 }); 296 297 t.test('allows overriding array limit', function (st) { 298 st.deepEqual(qs.parse('a[0]=b', { arrayLimit: -1 }), { a: { 0: 'b' } }); 299 st.deepEqual(qs.parse('a[-1]=b', { arrayLimit: -1 }), { a: { '-1': 'b' } }); 300 st.deepEqual(qs.parse('a[0]=b&a[1]=c', { arrayLimit: 0 }), { a: { 0: 'b', 1: 'c' } }); 301 st.end(); 302 }); 303 304 t.test('allows disabling array parsing', function (st) { 305 st.deepEqual(qs.parse('a[0]=b&a[1]=c', { parseArrays: false }), { a: { 0: 'b', 1: 'c' } }); 306 st.end(); 307 }); 308 309 t.test('allows for query string prefix', function (st) { 310 st.deepEqual(qs.parse('?foo=bar', { ignoreQueryPrefix: true }), { foo: 'bar' }); 311 st.deepEqual(qs.parse('foo=bar', { ignoreQueryPrefix: true }), { foo: 'bar' }); 312 st.deepEqual(qs.parse('?foo=bar', { ignoreQueryPrefix: false }), { '?foo': 'bar' }); 313 st.end(); 314 }); 315 316 t.test('parses an object', function (st) { 317 var input = { 318 'user[name]': { 'pop[bob]': 3 }, 319 'user[email]': null 320 }; 321 322 var expected = { 323 user: { 324 name: { 'pop[bob]': 3 }, 325 email: null 326 } 327 }; 328 329 var result = qs.parse(input); 330 331 st.deepEqual(result, expected); 332 st.end(); 333 }); 334 335 t.test('parses an object in dot notation', function (st) { 336 var input = { 337 'user.name': { 'pop[bob]': 3 }, 338 'user.email.': null 339 }; 340 341 var expected = { 342 user: { 343 name: { 'pop[bob]': 3 }, 344 email: null 345 } 346 }; 347 348 var result = qs.parse(input, { allowDots: true }); 349 350 st.deepEqual(result, expected); 351 st.end(); 352 }); 353 354 t.test('parses an object and not child values', function (st) { 355 var input = { 356 'user[name]': { 'pop[bob]': { test: 3 } }, 357 'user[email]': null 358 }; 359 360 var expected = { 361 user: { 362 name: { 'pop[bob]': { test: 3 } }, 363 email: null 364 } 365 }; 366 367 var result = qs.parse(input); 368 369 st.deepEqual(result, expected); 370 st.end(); 371 }); 372 373 t.test('does not blow up when Buffer global is missing', function (st) { 374 var tempBuffer = global.Buffer; 375 delete global.Buffer; 376 var result = qs.parse('a=b&c=d'); 377 global.Buffer = tempBuffer; 378 st.deepEqual(result, { a: 'b', c: 'd' }); 379 st.end(); 380 }); 381 382 t.test('does not crash when parsing circular references', function (st) { 383 var a = {}; 384 a.b = a; 385 386 var parsed; 387 388 st.doesNotThrow(function () { 389 parsed = qs.parse({ 'foo[bar]': 'baz', 'foo[baz]': a }); 390 }); 391 392 st.equal('foo' in parsed, true, 'parsed has "foo" property'); 393 st.equal('bar' in parsed.foo, true); 394 st.equal('baz' in parsed.foo, true); 395 st.equal(parsed.foo.bar, 'baz'); 396 st.deepEqual(parsed.foo.baz, a); 397 st.end(); 398 }); 399 400 t.test('does not crash when parsing deep objects', function (st) { 401 var parsed; 402 var str = 'foo'; 403 404 for (var i = 0; i < 5000; i++) { 405 str += '[p]'; 406 } 407 408 str += '=bar'; 409 410 st.doesNotThrow(function () { 411 parsed = qs.parse(str, { depth: 5000 }); 412 }); 413 414 st.equal('foo' in parsed, true, 'parsed has "foo" property'); 415 416 var depth = 0; 417 var ref = parsed.foo; 418 while ((ref = ref.p)) { 419 depth += 1; 420 } 421 422 st.equal(depth, 5000, 'parsed is 5000 properties deep'); 423 424 st.end(); 425 }); 426 427 t.test('parses null objects correctly', { skip: !Object.create }, function (st) { 428 var a = Object.create(null); 429 a.b = 'c'; 430 431 st.deepEqual(qs.parse(a), { b: 'c' }); 432 var result = qs.parse({ a: a }); 433 st.equal('a' in result, true, 'result has "a" property'); 434 st.deepEqual(result.a, a); 435 st.end(); 436 }); 437 438 t.test('parses dates correctly', function (st) { 439 var now = new Date(); 440 st.deepEqual(qs.parse({ a: now }), { a: now }); 441 st.end(); 442 }); 443 444 t.test('parses regular expressions correctly', function (st) { 445 var re = /^test$/; 446 st.deepEqual(qs.parse({ a: re }), { a: re }); 447 st.end(); 448 }); 449 450 t.test('does not allow overwriting prototype properties', function (st) { 451 st.deepEqual(qs.parse('a[hasOwnProperty]=b', { allowPrototypes: false }), {}); 452 st.deepEqual(qs.parse('hasOwnProperty=b', { allowPrototypes: false }), {}); 453 454 st.deepEqual( 455 qs.parse('toString', { allowPrototypes: false }), 456 {}, 457 'bare "toString" results in {}' 458 ); 459 460 st.end(); 461 }); 462 463 t.test('can allow overwriting prototype properties', function (st) { 464 st.deepEqual(qs.parse('a[hasOwnProperty]=b', { allowPrototypes: true }), { a: { hasOwnProperty: 'b' } }); 465 st.deepEqual(qs.parse('hasOwnProperty=b', { allowPrototypes: true }), { hasOwnProperty: 'b' }); 466 467 st.deepEqual( 468 qs.parse('toString', { allowPrototypes: true }), 469 { toString: '' }, 470 'bare "toString" results in { toString: "" }' 471 ); 472 473 st.end(); 474 }); 475 476 t.test('params starting with a closing bracket', function (st) { 477 st.deepEqual(qs.parse(']=toString'), { ']': 'toString' }); 478 st.deepEqual(qs.parse(']]=toString'), { ']]': 'toString' }); 479 st.deepEqual(qs.parse(']hello]=toString'), { ']hello]': 'toString' }); 480 st.end(); 481 }); 482 483 t.test('params starting with a starting bracket', function (st) { 484 st.deepEqual(qs.parse('[=toString'), { '[': 'toString' }); 485 st.deepEqual(qs.parse('[[=toString'), { '[[': 'toString' }); 486 st.deepEqual(qs.parse('[hello[=toString'), { '[hello[': 'toString' }); 487 st.end(); 488 }); 489 490 t.test('add keys to objects', function (st) { 491 st.deepEqual( 492 qs.parse('a[b]=c&a=d'), 493 { a: { b: 'c', d: true } }, 494 'can add keys to objects' 495 ); 496 497 st.deepEqual( 498 qs.parse('a[b]=c&a=toString'), 499 { a: { b: 'c' } }, 500 'can not overwrite prototype' 501 ); 502 503 st.deepEqual( 504 qs.parse('a[b]=c&a=toString', { allowPrototypes: true }), 505 { a: { b: 'c', toString: true } }, 506 'can overwrite prototype with allowPrototypes true' 507 ); 508 509 st.deepEqual( 510 qs.parse('a[b]=c&a=toString', { plainObjects: true }), 511 { a: { b: 'c', toString: true } }, 512 'can overwrite prototype with plainObjects true' 513 ); 514 515 st.end(); 516 }); 517 518 t.test('can return null objects', { skip: !Object.create }, function (st) { 519 var expected = Object.create(null); 520 expected.a = Object.create(null); 521 expected.a.b = 'c'; 522 expected.a.hasOwnProperty = 'd'; 523 st.deepEqual(qs.parse('a[b]=c&a[hasOwnProperty]=d', { plainObjects: true }), expected); 524 st.deepEqual(qs.parse(null, { plainObjects: true }), Object.create(null)); 525 var expectedArray = Object.create(null); 526 expectedArray.a = Object.create(null); 527 expectedArray.a[0] = 'b'; 528 expectedArray.a.c = 'd'; 529 st.deepEqual(qs.parse('a[]=b&a[c]=d', { plainObjects: true }), expectedArray); 530 st.end(); 531 }); 532 533 t.test('can parse with custom encoding', function (st) { 534 st.deepEqual(qs.parse('%8c%a7=%91%e5%8d%e3%95%7b', { 535 decoder: function (str) { 536 var reg = /%([0-9A-F]{2})/ig; 537 var result = []; 538 var parts = reg.exec(str); 539 while (parts) { 540 result.push(parseInt(parts[1], 16)); 541 parts = reg.exec(str); 542 } 543 return iconv.decode(SaferBuffer.from(result), 'shift_jis').toString(); 544 } 545 }), { 県: '大阪府' }); 546 st.end(); 547 }); 548 549 t.test('receives the default decoder as a second argument', function (st) { 550 st.plan(1); 551 qs.parse('a', { 552 decoder: function (str, defaultDecoder) { 553 st.equal(defaultDecoder, utils.decode); 554 } 555 }); 556 st.end(); 557 }); 558 559 t.test('throws error with wrong decoder', function (st) { 560 st['throws'](function () { 561 qs.parse({}, { decoder: 'string' }); 562 }, new TypeError('Decoder has to be a function.')); 563 st.end(); 564 }); 565 566 t.test('does not mutate the options argument', function (st) { 567 var options = {}; 568 qs.parse('a[b]=true', options); 569 st.deepEqual(options, {}); 570 st.end(); 571 }); 572 573 t.end(); 574 });