opusdev/vector-similarity-api
1
1'use strict';2 3var test = require('tape');4var hasPropertyDescriptors = require('has-property-descriptors')();5var iconv = require('iconv-lite');6var mockProperty = require('mock-property');7var hasOverrideMistake = require('has-override-mistake')();8var SaferBuffer = require('safer-buffer').Buffer;9var v = require('es-value-fixtures');10var inspect = require('object-inspect');11var emptyTestCases = require('./empty-keys-cases').emptyTestCases;12var hasProto = require('has-proto')();13 14var qs = require('../');15var utils = require('../lib/utils');16 17test('parse()', function (t) {18 t.test('parses a simple string', function (st) {19 st.deepEqual(qs.parse('0=foo'), { 0: 'foo' });20 st.deepEqual(qs.parse('foo=c++'), { foo: 'c ' });21 st.deepEqual(qs.parse('a[>=]=23'), { a: { '>=': '23' } });22 st.deepEqual(qs.parse('a[<=>]==23'), { a: { '<=>': '=23' } });23 st.deepEqual(qs.parse('a[==]=23'), { a: { '==': '23' } });24 st.deepEqual(qs.parse('foo', { strictNullHandling: true }), { foo: null });25 st.deepEqual(qs.parse('foo'), { foo: '' });26 st.deepEqual(qs.parse('foo='), { foo: '' });27 st.deepEqual(qs.parse('foo=bar'), { foo: 'bar' });28 st.deepEqual(qs.parse(' foo = bar = baz '), { ' foo ': ' bar = baz ' });29 st.deepEqual(qs.parse('foo=bar=baz'), { foo: 'bar=baz' });30 st.deepEqual(qs.parse('foo=bar&bar=baz'), { foo: 'bar', bar: 'baz' });31 st.deepEqual(qs.parse('foo2=bar2&baz2='), { foo2: 'bar2', baz2: '' });32 st.deepEqual(qs.parse('foo=bar&baz', { strictNullHandling: true }), { foo: 'bar', baz: null });33 st.deepEqual(qs.parse('foo=bar&baz'), { foo: 'bar', baz: '' });34 st.deepEqual(qs.parse('cht=p3&chd=t:60,40&chs=250x100&chl=Hello|World'), {35 cht: 'p3',36 chd: 't:60,40',37 chs: '250x100',38 chl: 'Hello|World'39 });40 st.end();41 });42 43 t.test('comma: false', function (st) {44 st.deepEqual(qs.parse('a[]=b&a[]=c'), { a: ['b', 'c'] });45 st.deepEqual(qs.parse('a[0]=b&a[1]=c'), { a: ['b', 'c'] });46 st.deepEqual(qs.parse('a=b,c'), { a: 'b,c' });47 st.deepEqual(qs.parse('a=b&a=c'), { a: ['b', 'c'] });48 st.end();49 });50 51 t.test('comma: true', function (st) {52 st.deepEqual(qs.parse('a[]=b&a[]=c', { comma: true }), { a: ['b', 'c'] });53 st.deepEqual(qs.parse('a[0]=b&a[1]=c', { comma: true }), { a: ['b', 'c'] });54 st.deepEqual(qs.parse('a=b,c', { comma: true }), { a: ['b', 'c'] });55 st.deepEqual(qs.parse('a=b&a=c', { comma: true }), { a: ['b', 'c'] });56 st.end();57 });58 59 t.test('allows enabling dot notation', function (st) {60 st.deepEqual(qs.parse('a.b=c'), { 'a.b': 'c' });61 st.deepEqual(qs.parse('a.b=c', { allowDots: true }), { a: { b: 'c' } });62 63 st.end();64 });65 66 t.test('decode dot keys correctly', function (st) {67 st.deepEqual(68 qs.parse('name%252Eobj.first=John&name%252Eobj.last=Doe', { allowDots: false, decodeDotInKeys: false }),69 { 'name%2Eobj.first': 'John', 'name%2Eobj.last': 'Doe' },70 'with allowDots false and decodeDotInKeys false'71 );72 st.deepEqual(73 qs.parse('name.obj.first=John&name.obj.last=Doe', { allowDots: true, decodeDotInKeys: false }),74 { name: { obj: { first: 'John', last: 'Doe' } } },75 'with allowDots false and decodeDotInKeys false'76 );77 st.deepEqual(78 qs.parse('name%252Eobj.first=John&name%252Eobj.last=Doe', { allowDots: true, decodeDotInKeys: false }),79 { 'name%2Eobj': { first: 'John', last: 'Doe' } },80 'with allowDots true and decodeDotInKeys false'81 );82 st.deepEqual(83 qs.parse('name%252Eobj.first=John&name%252Eobj.last=Doe', { allowDots: true, decodeDotInKeys: true }),84 { 'name.obj': { first: 'John', last: 'Doe' } },85 'with allowDots true and decodeDotInKeys true'86 );87 88 st.deepEqual(89 qs.parse(90 'name%252Eobj%252Esubobject.first%252Egodly%252Ename=John&name%252Eobj%252Esubobject.last=Doe',91 { allowDots: false, decodeDotInKeys: false }92 ),93 { 'name%2Eobj%2Esubobject.first%2Egodly%2Ename': 'John', 'name%2Eobj%2Esubobject.last': 'Doe' },94 'with allowDots false and decodeDotInKeys false'95 );96 st.deepEqual(97 qs.parse(98 'name.obj.subobject.first.godly.name=John&name.obj.subobject.last=Doe',99 { allowDots: true, decodeDotInKeys: false }100 ),101 { name: { obj: { subobject: { first: { godly: { name: 'John' } }, last: 'Doe' } } } },102 'with allowDots true and decodeDotInKeys false'103 );104 st.deepEqual(105 qs.parse(106 'name%252Eobj%252Esubobject.first%252Egodly%252Ename=John&name%252Eobj%252Esubobject.last=Doe',107 { allowDots: true, decodeDotInKeys: true }108 ),109 { 'name.obj.subobject': { 'first.godly.name': 'John', last: 'Doe' } },110 'with allowDots true and decodeDotInKeys true'111 );112 st.deepEqual(113 qs.parse('name%252Eobj.first=John&name%252Eobj.last=Doe'),114 { 'name%2Eobj.first': 'John', 'name%2Eobj.last': 'Doe' },115 'with allowDots and decodeDotInKeys undefined'116 );117 118 st.end();119 });120 121 t.test('decodes dot in key of object, and allow enabling dot notation when decodeDotInKeys is set to true and allowDots is undefined', function (st) {122 st.deepEqual(123 qs.parse(124 'name%252Eobj%252Esubobject.first%252Egodly%252Ename=John&name%252Eobj%252Esubobject.last=Doe',125 { decodeDotInKeys: true }126 ),127 { 'name.obj.subobject': { 'first.godly.name': 'John', last: 'Doe' } },128 'with allowDots undefined and decodeDotInKeys true'129 );130 131 st.end();132 });133 134 t.test('throws when decodeDotInKeys is not of type boolean', function (st) {135 st['throws'](136 function () { qs.parse('foo[]&bar=baz', { decodeDotInKeys: 'foobar' }); },137 TypeError138 );139 140 st['throws'](141 function () { qs.parse('foo[]&bar=baz', { decodeDotInKeys: 0 }); },142 TypeError143 );144 st['throws'](145 function () { qs.parse('foo[]&bar=baz', { decodeDotInKeys: NaN }); },146 TypeError147 );148 149 st['throws'](150 function () { qs.parse('foo[]&bar=baz', { decodeDotInKeys: null }); },151 TypeError152 );153 154 st.end();155 });156 157 t.test('allows empty arrays in obj values', function (st) {158 st.deepEqual(qs.parse('foo[]&bar=baz', { allowEmptyArrays: true }), { foo: [], bar: 'baz' });159 st.deepEqual(qs.parse('foo[]&bar=baz', { allowEmptyArrays: false }), { foo: [''], bar: 'baz' });160 161 st.end();162 });163 164 t.test('throws when allowEmptyArrays is not of type boolean', function (st) {165 st['throws'](166 function () { qs.parse('foo[]&bar=baz', { allowEmptyArrays: 'foobar' }); },167 TypeError168 );169 170 st['throws'](171 function () { qs.parse('foo[]&bar=baz', { allowEmptyArrays: 0 }); },172 TypeError173 );174 st['throws'](175 function () { qs.parse('foo[]&bar=baz', { allowEmptyArrays: NaN }); },176 TypeError177 );178 179 st['throws'](180 function () { qs.parse('foo[]&bar=baz', { allowEmptyArrays: null }); },181 TypeError182 );183 184 st.end();185 });186 187 t.test('allowEmptyArrays + strictNullHandling', function (st) {188 st.deepEqual(189 qs.parse('testEmptyArray[]', { strictNullHandling: true, allowEmptyArrays: true }),190 { testEmptyArray: [] }191 );192 193 st.end();194 });195 196 t.deepEqual(qs.parse('a[b]=c'), { a: { b: 'c' } }, 'parses a single nested string');197 t.deepEqual(qs.parse('a[b][c]=d'), { a: { b: { c: 'd' } } }, 'parses a double nested string');198 t.deepEqual(199 qs.parse('a[b][c][d][e][f][g][h]=i'),200 { a: { b: { c: { d: { e: { f: { '[g][h]': 'i' } } } } } } },201 'defaults to a depth of 5'202 );203 204 t.test('only parses one level when depth = 1', function (st) {205 st.deepEqual(qs.parse('a[b][c]=d', { depth: 1 }), { a: { b: { '[c]': 'd' } } });206 st.deepEqual(qs.parse('a[b][c][d]=e', { depth: 1 }), { a: { b: { '[c][d]': 'e' } } });207 st.end();208 });209 210 t.test('uses original key when depth = 0', function (st) {211 st.deepEqual(qs.parse('a[0]=b&a[1]=c', { depth: 0 }), { 'a[0]': 'b', 'a[1]': 'c' });212 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' });213 st.end();214 });215 216 t.test('uses original key when depth = false', function (st) {217 st.deepEqual(qs.parse('a[0]=b&a[1]=c', { depth: false }), { 'a[0]': 'b', 'a[1]': 'c' });218 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' });219 st.end();220 });221 222 t.deepEqual(qs.parse('a=b&a=c'), { a: ['b', 'c'] }, 'parses a simple array');223 224 t.test('parses an explicit array', function (st) {225 st.deepEqual(qs.parse('a[]=b'), { a: ['b'] });226 st.deepEqual(qs.parse('a[]=b&a[]=c'), { a: ['b', 'c'] });227 st.deepEqual(qs.parse('a[]=b&a[]=c&a[]=d'), { a: ['b', 'c', 'd'] });228 st.end();229 });230 231 t.test('parses a mix of simple and explicit arrays', function (st) {232 st.deepEqual(qs.parse('a=b&a[]=c'), { a: ['b', 'c'] });233 st.deepEqual(qs.parse('a[]=b&a=c'), { a: ['b', 'c'] });234 st.deepEqual(qs.parse('a[0]=b&a=c'), { a: ['b', 'c'] });235 st.deepEqual(qs.parse('a=b&a[0]=c'), { a: ['b', 'c'] });236 237 st.deepEqual(qs.parse('a[1]=b&a=c', { arrayLimit: 20 }), { a: ['b', 'c'] });238 st.deepEqual(qs.parse('a[]=b&a=c', { arrayLimit: 0 }), { a: { 0: 'b', 1: 'c' } });239 st.deepEqual(qs.parse('a[]=b&a=c'), { a: ['b', 'c'] });240 241 st.deepEqual(qs.parse('a=b&a[1]=c', { arrayLimit: 20 }), { a: ['b', 'c'] });242 st.deepEqual(qs.parse('a=b&a[]=c', { arrayLimit: 0 }), { a: { 0: 'b', 1: 'c' } });243 st.deepEqual(qs.parse('a=b&a[]=c'), { a: ['b', 'c'] });244 245 st.end();246 });247 248 t.test('parses a nested array', function (st) {249 st.deepEqual(qs.parse('a[b][]=c&a[b][]=d'), { a: { b: ['c', 'd'] } });250 st.deepEqual(qs.parse('a[>=]=25'), { a: { '>=': '25' } });251 st.end();252 });253 254 t.test('allows to specify array indices', function (st) {255 st.deepEqual(qs.parse('a[1]=c&a[0]=b&a[2]=d'), { a: ['b', 'c', 'd'] });256 st.deepEqual(qs.parse('a[1]=c&a[0]=b'), { a: ['b', 'c'] });257 st.deepEqual(qs.parse('a[1]=c', { arrayLimit: 20 }), { a: ['c'] });258 st.deepEqual(qs.parse('a[1]=c', { arrayLimit: 0 }), { a: { 1: 'c' } });259 st.deepEqual(qs.parse('a[1]=c'), { a: ['c'] });260 st.end();261 });262 263 t.test('limits specific array indices to arrayLimit', function (st) {264 st.deepEqual(qs.parse('a[20]=a', { arrayLimit: 20 }), { a: ['a'] });265 st.deepEqual(qs.parse('a[21]=a', { arrayLimit: 20 }), { a: { 21: 'a' } });266 267 st.deepEqual(qs.parse('a[20]=a'), { a: ['a'] });268 st.deepEqual(qs.parse('a[21]=a'), { a: { 21: 'a' } });269 st.end();270 });271 272 t.deepEqual(qs.parse('a[12b]=c'), { a: { '12b': 'c' } }, 'supports keys that begin with a number');273 274 t.test('supports encoded = signs', function (st) {275 st.deepEqual(qs.parse('he%3Dllo=th%3Dere'), { 'he=llo': 'th=ere' });276 st.end();277 });278 279 t.test('is ok with url encoded strings', function (st) {280 st.deepEqual(qs.parse('a[b%20c]=d'), { a: { 'b c': 'd' } });281 st.deepEqual(qs.parse('a[b]=c%20d'), { a: { b: 'c d' } });282 st.end();283 });284 285 t.test('allows brackets in the value', function (st) {286 st.deepEqual(qs.parse('pets=["tobi"]'), { pets: '["tobi"]' });287 st.deepEqual(qs.parse('operators=[">=", "<="]'), { operators: '[">=", "<="]' });288 st.end();289 });290 291 t.test('allows empty values', function (st) {292 st.deepEqual(qs.parse(''), {});293 st.deepEqual(qs.parse(null), {});294 st.deepEqual(qs.parse(undefined), {});295 st.end();296 });297 298 t.test('transforms arrays to objects', function (st) {299 st.deepEqual(qs.parse('foo[0]=bar&foo[bad]=baz'), { foo: { 0: 'bar', bad: 'baz' } });300 st.deepEqual(qs.parse('foo[bad]=baz&foo[0]=bar'), { foo: { bad: 'baz', 0: 'bar' } });301 st.deepEqual(qs.parse('foo[bad]=baz&foo[]=bar'), { foo: { bad: 'baz', 0: 'bar' } });302 st.deepEqual(qs.parse('foo[]=bar&foo[bad]=baz'), { foo: { 0: 'bar', bad: 'baz' } });303 st.deepEqual(qs.parse('foo[bad]=baz&foo[]=bar&foo[]=foo'), { foo: { bad: 'baz', 0: 'bar', 1: 'foo' } });304 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' }] });305 306 st.deepEqual(qs.parse('a[]=b&a[t]=u&a[hasOwnProperty]=c', { allowPrototypes: false }), { a: { 0: 'b', t: 'u' } });307 st.deepEqual(qs.parse('a[]=b&a[t]=u&a[hasOwnProperty]=c', { allowPrototypes: true }), { a: { 0: 'b', t: 'u', hasOwnProperty: 'c' } });308 st.deepEqual(qs.parse('a[]=b&a[hasOwnProperty]=c&a[x]=y', { allowPrototypes: false }), { a: { 0: 'b', x: 'y' } });309 st.deepEqual(qs.parse('a[]=b&a[hasOwnProperty]=c&a[x]=y', { allowPrototypes: true }), { a: { 0: 'b', hasOwnProperty: 'c', x: 'y' } });310 st.end();311 });312 313 t.test('transforms arrays to objects (dot notation)', function (st) {314 st.deepEqual(qs.parse('foo[0].baz=bar&fool.bad=baz', { allowDots: true }), { foo: [{ baz: 'bar' }], fool: { bad: 'baz' } });315 st.deepEqual(qs.parse('foo[0].baz=bar&fool.bad.boo=baz', { allowDots: true }), { foo: [{ baz: 'bar' }], fool: { bad: { boo: 'baz' } } });316 st.deepEqual(qs.parse('foo[0][0].baz=bar&fool.bad=baz', { allowDots: true }), { foo: [[{ baz: 'bar' }]], fool: { bad: 'baz' } });317 st.deepEqual(qs.parse('foo[0].baz[0]=15&foo[0].bar=2', { allowDots: true }), { foo: [{ baz: ['15'], bar: '2' }] });318 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' }] });319 st.deepEqual(qs.parse('foo.bad=baz&foo[0]=bar', { allowDots: true }), { foo: { bad: 'baz', 0: 'bar' } });320 st.deepEqual(qs.parse('foo.bad=baz&foo[]=bar', { allowDots: true }), { foo: { bad: 'baz', 0: 'bar' } });321 st.deepEqual(qs.parse('foo[]=bar&foo.bad=baz', { allowDots: true }), { foo: { 0: 'bar', bad: 'baz' } });322 st.deepEqual(qs.parse('foo.bad=baz&foo[]=bar&foo[]=foo', { allowDots: true }), { foo: { bad: 'baz', 0: 'bar', 1: 'foo' } });323 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' }] });324 st.end();325 });326 327 t.test('correctly prunes undefined values when converting an array to an object', function (st) {328 st.deepEqual(qs.parse('a[2]=b&a[99999999]=c'), { a: { 2: 'b', 99999999: 'c' } });329 st.end();330 });331 332 t.test('supports malformed uri characters', function (st) {333 st.deepEqual(qs.parse('{%:%}', { strictNullHandling: true }), { '{%:%}': null });334 st.deepEqual(qs.parse('{%:%}='), { '{%:%}': '' });335 st.deepEqual(qs.parse('foo=%:%}'), { foo: '%:%}' });336 st.end();337 });338 339 t.test('doesn\'t produce empty keys', function (st) {340 st.deepEqual(qs.parse('_r=1&'), { _r: '1' });341 st.end();342 });343 344 t.test('cannot access Object prototype', function (st) {345 qs.parse('constructor[prototype][bad]=bad');346 qs.parse('bad[constructor][prototype][bad]=bad');347 st.equal(typeof Object.prototype.bad, 'undefined');348 st.end();349 });350 351 t.test('parses arrays of objects', function (st) {352 st.deepEqual(qs.parse('a[][b]=c'), { a: [{ b: 'c' }] });353 st.deepEqual(qs.parse('a[0][b]=c'), { a: [{ b: 'c' }] });354 st.end();355 });356 357 t.test('allows for empty strings in arrays', function (st) {358 st.deepEqual(qs.parse('a[]=b&a[]=&a[]=c'), { a: ['b', '', 'c'] });359 360 st.deepEqual(361 qs.parse('a[0]=b&a[1]&a[2]=c&a[19]=', { strictNullHandling: true, arrayLimit: 20 }),362 { a: ['b', null, 'c', ''] },363 'with arrayLimit 20 + array indices: null then empty string works'364 );365 st.deepEqual(366 qs.parse('a[]=b&a[]&a[]=c&a[]=', { strictNullHandling: true, arrayLimit: 0 }),367 { a: { 0: 'b', 1: null, 2: 'c', 3: '' } },368 'with arrayLimit 0 + array brackets: null then empty string works'369 );370 371 st.deepEqual(372 qs.parse('a[0]=b&a[1]=&a[2]=c&a[19]', { strictNullHandling: true, arrayLimit: 20 }),373 { a: ['b', '', 'c', null] },374 'with arrayLimit 20 + array indices: empty string then null works'375 );376 st.deepEqual(377 qs.parse('a[]=b&a[]=&a[]=c&a[]', { strictNullHandling: true, arrayLimit: 0 }),378 { a: { 0: 'b', 1: '', 2: 'c', 3: null } },379 'with arrayLimit 0 + array brackets: empty string then null works'380 );381 382 st.deepEqual(383 qs.parse('a[]=&a[]=b&a[]=c'),384 { a: ['', 'b', 'c'] },385 'array brackets: empty strings work'386 );387 st.end();388 });389 390 t.test('compacts sparse arrays', function (st) {391 st.deepEqual(qs.parse('a[10]=1&a[2]=2', { arrayLimit: 20 }), { a: ['2', '1'] });392 st.deepEqual(qs.parse('a[1][b][2][c]=1', { arrayLimit: 20 }), { a: [{ b: [{ c: '1' }] }] });393 st.deepEqual(qs.parse('a[1][2][3][c]=1', { arrayLimit: 20 }), { a: [[[{ c: '1' }]]] });394 st.deepEqual(qs.parse('a[1][2][3][c][1]=1', { arrayLimit: 20 }), { a: [[[{ c: ['1'] }]]] });395 st.end();396 });397 398 t.test('parses sparse arrays', function (st) {399 /* eslint no-sparse-arrays: 0 */400 st.deepEqual(qs.parse('a[4]=1&a[1]=2', { allowSparse: true }), { a: [, '2', , , '1'] });401 st.deepEqual(qs.parse('a[1][b][2][c]=1', { allowSparse: true }), { a: [, { b: [, , { c: '1' }] }] });402 st.deepEqual(qs.parse('a[1][2][3][c]=1', { allowSparse: true }), { a: [, [, , [, , , { c: '1' }]]] });403 st.deepEqual(qs.parse('a[1][2][3][c][1]=1', { allowSparse: true }), { a: [, [, , [, , , { c: [, '1'] }]]] });404 st.end();405 });406 407 t.test('parses semi-parsed strings', function (st) {408 st.deepEqual(qs.parse({ 'a[b]': 'c' }), { a: { b: 'c' } });409 st.deepEqual(qs.parse({ 'a[b]': 'c', 'a[d]': 'e' }), { a: { b: 'c', d: 'e' } });410 st.end();411 });412 413 t.test('parses buffers correctly', function (st) {414 var b = SaferBuffer.from('test');415 st.deepEqual(qs.parse({ a: b }), { a: b });416 st.end();417 });418 419 t.test('parses jquery-param strings', function (st) {420 // readable = 'filter[0][]=int1&filter[0][]==&filter[0][]=77&filter[]=and&filter[2][]=int2&filter[2][]==&filter[2][]=8'421 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';422 var expected = { filter: [['int1', '=', '77'], 'and', ['int2', '=', '8']] };423 st.deepEqual(qs.parse(encoded), expected);424 st.end();425 });426 427 t.test('continues parsing when no parent is found', function (st) {428 st.deepEqual(qs.parse('[]=&a=b'), { 0: '', a: 'b' });429 st.deepEqual(qs.parse('[]&a=b', { strictNullHandling: true }), { 0: null, a: 'b' });430 st.deepEqual(qs.parse('[foo]=bar'), { foo: 'bar' });431 st.end();432 });433 434 t.test('does not error when parsing a very long array', function (st) {435 var str = 'a[]=a';436 while (Buffer.byteLength(str) < 128 * 1024) {437 str = str + '&' + str;438 }439 440 st.doesNotThrow(function () {441 qs.parse(str);442 });443 444 st.end();445 });446 447 t.test('does not throw when a native prototype has an enumerable property', function (st) {448 st.intercept(Object.prototype, 'crash', { value: '' });449 st.intercept(Array.prototype, 'crash', { value: '' });450 451 st.doesNotThrow(qs.parse.bind(null, 'a=b'));452 st.deepEqual(qs.parse('a=b'), { a: 'b' });453 st.doesNotThrow(qs.parse.bind(null, 'a[][b]=c'));454 st.deepEqual(qs.parse('a[][b]=c'), { a: [{ b: 'c' }] });455 456 st.end();457 });458 459 t.test('parses a string with an alternative string delimiter', function (st) {460 st.deepEqual(qs.parse('a=b;c=d', { delimiter: ';' }), { a: 'b', c: 'd' });461 st.end();462 });463 464 t.test('parses a string with an alternative RegExp delimiter', function (st) {465 st.deepEqual(qs.parse('a=b; c=d', { delimiter: /[;,] */ }), { a: 'b', c: 'd' });466 st.end();467 });468 469 t.test('does not use non-splittable objects as delimiters', function (st) {470 st.deepEqual(qs.parse('a=b&c=d', { delimiter: true }), { a: 'b', c: 'd' });471 st.end();472 });473 474 t.test('allows overriding parameter limit', function (st) {475 st.deepEqual(qs.parse('a=b&c=d', { parameterLimit: 1 }), { a: 'b' });476 st.end();477 });478 479 t.test('allows setting the parameter limit to Infinity', function (st) {480 st.deepEqual(qs.parse('a=b&c=d', { parameterLimit: Infinity }), { a: 'b', c: 'd' });481 st.end();482 });483 484 t.test('allows overriding array limit', function (st) {485 st.deepEqual(qs.parse('a[0]=b', { arrayLimit: -1 }), { a: { 0: 'b' } });486 st.deepEqual(qs.parse('a[0]=b', { arrayLimit: 0 }), { a: ['b'] });487 488 st.deepEqual(qs.parse('a[-1]=b', { arrayLimit: -1 }), { a: { '-1': 'b' } });489 st.deepEqual(qs.parse('a[-1]=b', { arrayLimit: 0 }), { a: { '-1': 'b' } });490 491 st.deepEqual(qs.parse('a[0]=b&a[1]=c', { arrayLimit: -1 }), { a: { 0: 'b', 1: 'c' } });492 st.deepEqual(qs.parse('a[0]=b&a[1]=c', { arrayLimit: 0 }), { a: { 0: 'b', 1: 'c' } });493 494 st.end();495 });496 497 t.test('allows disabling array parsing', function (st) {498 var indices = qs.parse('a[0]=b&a[1]=c', { parseArrays: false });499 st.deepEqual(indices, { a: { 0: 'b', 1: 'c' } });500 st.equal(Array.isArray(indices.a), false, 'parseArrays:false, indices case is not an array');501 502 var emptyBrackets = qs.parse('a[]=b', { parseArrays: false });503 st.deepEqual(emptyBrackets, { a: { 0: 'b' } });504 st.equal(Array.isArray(emptyBrackets.a), false, 'parseArrays:false, empty brackets case is not an array');505 506 st.end();507 });508 509 t.test('allows for query string prefix', function (st) {510 st.deepEqual(qs.parse('?foo=bar', { ignoreQueryPrefix: true }), { foo: 'bar' });511 st.deepEqual(qs.parse('foo=bar', { ignoreQueryPrefix: true }), { foo: 'bar' });512 st.deepEqual(qs.parse('?foo=bar', { ignoreQueryPrefix: false }), { '?foo': 'bar' });513 514 st.end();515 });516 517 t.test('parses an object', function (st) {518 var input = {519 'user[name]': { 'pop[bob]': 3 },520 'user[email]': null521 };522 523 var expected = {524 user: {525 name: { 'pop[bob]': 3 },526 email: null527 }528 };529 530 var result = qs.parse(input);531 532 st.deepEqual(result, expected);533 st.end();534 });535 536 t.test('parses string with comma as array divider', function (st) {537 st.deepEqual(qs.parse('foo=bar,tee', { comma: true }), { foo: ['bar', 'tee'] });538 st.deepEqual(qs.parse('foo[bar]=coffee,tee', { comma: true }), { foo: { bar: ['coffee', 'tee'] } });539 st.deepEqual(qs.parse('foo=', { comma: true }), { foo: '' });540 st.deepEqual(qs.parse('foo', { comma: true }), { foo: '' });541 st.deepEqual(qs.parse('foo', { comma: true, strictNullHandling: true }), { foo: null });542 543 // test cases inversed from from stringify tests544 st.deepEqual(qs.parse('a[0]=c'), { a: ['c'] });545 st.deepEqual(qs.parse('a[]=c'), { a: ['c'] });546 st.deepEqual(qs.parse('a[]=c', { comma: true }), { a: ['c'] });547 548 st.deepEqual(qs.parse('a[0]=c&a[1]=d'), { a: ['c', 'd'] });549 st.deepEqual(qs.parse('a[]=c&a[]=d'), { a: ['c', 'd'] });550 st.deepEqual(qs.parse('a=c,d', { comma: true }), { a: ['c', 'd'] });551 552 st.end();553 });554 555 t.test('parses values with comma as array divider', function (st) {556 st.deepEqual(qs.parse({ foo: 'bar,tee' }, { comma: false }), { foo: 'bar,tee' });557 st.deepEqual(qs.parse({ foo: 'bar,tee' }, { comma: true }), { foo: ['bar', 'tee'] });558 st.end();559 });560 561 t.test('use number decoder, parses string that has one number with comma option enabled', function (st) {562 var decoder = function (str, defaultDecoder, charset, type) {563 if (!isNaN(Number(str))) {564 return parseFloat(str);565 }566 return defaultDecoder(str, defaultDecoder, charset, type);567 };568 569 st.deepEqual(qs.parse('foo=1', { comma: true, decoder: decoder }), { foo: 1 });570 st.deepEqual(qs.parse('foo=0', { comma: true, decoder: decoder }), { foo: 0 });571 572 st.end();573 });574 575 t.test('parses brackets holds array of arrays when having two parts of strings with comma as array divider', function (st) {576 st.deepEqual(qs.parse('foo[]=1,2,3&foo[]=4,5,6', { comma: true }), { foo: [['1', '2', '3'], ['4', '5', '6']] });577 st.deepEqual(qs.parse('foo[]=1,2,3&foo[]=', { comma: true }), { foo: [['1', '2', '3'], ''] });578 st.deepEqual(qs.parse('foo[]=1,2,3&foo[]=,', { comma: true }), { foo: [['1', '2', '3'], ['', '']] });579 st.deepEqual(qs.parse('foo[]=1,2,3&foo[]=a', { comma: true }), { foo: [['1', '2', '3'], 'a'] });580 581 st.end();582 });583 584 t.test('parses url-encoded brackets holds array of arrays when having two parts of strings with comma as array divider', function (st) {585 st.deepEqual(qs.parse('foo%5B%5D=1,2,3&foo%5B%5D=4,5,6', { comma: true }), { foo: [['1', '2', '3'], ['4', '5', '6']] });586 st.deepEqual(qs.parse('foo%5B%5D=1,2,3&foo%5B%5D=', { comma: true }), { foo: [['1', '2', '3'], ''] });587 st.deepEqual(qs.parse('foo%5B%5D=1,2,3&foo%5B%5D=,', { comma: true }), { foo: [['1', '2', '3'], ['', '']] });588 st.deepEqual(qs.parse('foo%5B%5D=1,2,3&foo%5B%5D=a', { comma: true }), { foo: [['1', '2', '3'], 'a'] });589 590 st.end();591 });592 593 t.test('parses comma delimited array while having percent-encoded comma treated as normal text', function (st) {594 st.deepEqual(qs.parse('foo=a%2Cb', { comma: true }), { foo: 'a,b' });595 st.deepEqual(qs.parse('foo=a%2C%20b,d', { comma: true }), { foo: ['a, b', 'd'] });596 st.deepEqual(qs.parse('foo=a%2C%20b,c%2C%20d', { comma: true }), { foo: ['a, b', 'c, d'] });597 598 st.end();599 });600 601 t.test('parses an object in dot notation', function (st) {602 var input = {603 'user.name': { 'pop[bob]': 3 },604 'user.email.': null605 };606 607 var expected = {608 user: {609 name: { 'pop[bob]': 3 },610 email: null611 }612 };613 614 var result = qs.parse(input, { allowDots: true });615 616 st.deepEqual(result, expected);617 st.end();618 });619 620 t.test('parses an object and not child values', function (st) {621 var input = {622 'user[name]': { 'pop[bob]': { test: 3 } },623 'user[email]': null624 };625 626 var expected = {627 user: {628 name: { 'pop[bob]': { test: 3 } },629 email: null630 }631 };632 633 var result = qs.parse(input);634 635 st.deepEqual(result, expected);636 st.end();637 });638 639 t.test('does not blow up when Buffer global is missing', function (st) {640 var restore = mockProperty(global, 'Buffer', { 'delete': true });641 642 var result = qs.parse('a=b&c=d');643 644 restore();645 646 st.deepEqual(result, { a: 'b', c: 'd' });647 st.end();648 });649 650 t.test('does not crash when parsing circular references', function (st) {651 var a = {};652 a.b = a;653 654 var parsed;655 656 st.doesNotThrow(function () {657 parsed = qs.parse({ 'foo[bar]': 'baz', 'foo[baz]': a });658 });659 660 st.equal('foo' in parsed, true, 'parsed has "foo" property');661 st.equal('bar' in parsed.foo, true);662 st.equal('baz' in parsed.foo, true);663 st.equal(parsed.foo.bar, 'baz');664 st.deepEqual(parsed.foo.baz, a);665 st.end();666 });667 668 t.test('does not crash when parsing deep objects', function (st) {669 var parsed;670 var str = 'foo';671 672 for (var i = 0; i < 5000; i++) {673 str += '[p]';674 }675 676 str += '=bar';677 678 st.doesNotThrow(function () {679 parsed = qs.parse(str, { depth: 5000 });680 });681 682 st.equal('foo' in parsed, true, 'parsed has "foo" property');683 684 var depth = 0;685 var ref = parsed.foo;686 while ((ref = ref.p)) {687 depth += 1;688 }689 690 st.equal(depth, 5000, 'parsed is 5000 properties deep');691 692 st.end();693 });694 695 t.test('parses null objects correctly', { skip: !hasProto }, function (st) {696 var a = { __proto__: null, b: 'c' };697 698 st.deepEqual(qs.parse(a), { b: 'c' });699 var result = qs.parse({ a: a });700 st.equal('a' in result, true, 'result has "a" property');701 st.deepEqual(result.a, a);702 st.end();703 });704 705 t.test('parses dates correctly', function (st) {706 var now = new Date();707 st.deepEqual(qs.parse({ a: now }), { a: now });708 st.end();709 });710 711 t.test('parses regular expressions correctly', function (st) {712 var re = /^test$/;713 st.deepEqual(qs.parse({ a: re }), { a: re });714 st.end();715 });716 717 t.test('does not allow overwriting prototype properties', function (st) {718 st.deepEqual(qs.parse('a[hasOwnProperty]=b', { allowPrototypes: false }), {});719 st.deepEqual(qs.parse('hasOwnProperty=b', { allowPrototypes: false }), {});720 721 st.deepEqual(722 qs.parse('toString', { allowPrototypes: false }),723 {},724 'bare "toString" results in {}'725 );726 727 st.end();728 });729 730 t.test('can allow overwriting prototype properties', function (st) {731 st.deepEqual(qs.parse('a[hasOwnProperty]=b', { allowPrototypes: true }), { a: { hasOwnProperty: 'b' } });732 st.deepEqual(qs.parse('hasOwnProperty=b', { allowPrototypes: true }), { hasOwnProperty: 'b' });733 734 st.deepEqual(735 qs.parse('toString', { allowPrototypes: true }),736 { toString: '' },737 'bare "toString" results in { toString: "" }'738 );739 740 st.end();741 });742 743 t.test('does not crash when the global Object prototype is frozen', { skip: !hasPropertyDescriptors || !hasOverrideMistake }, function (st) {744 // We can't actually freeze the global Object prototype as that will interfere with other tests, and once an object is frozen, it745 // can't be unfrozen. Instead, we add a new non-writable property to simulate this.746 st.teardown(mockProperty(Object.prototype, 'frozenProp', { value: 'foo', nonWritable: true, nonEnumerable: true }));747 748 st['throws'](749 function () {750 var obj = {};751 obj.frozenProp = 'bar';752 },753 // node < 6 has a different error message754 /^TypeError: Cannot assign to read only property 'frozenProp' of (?:object '#<Object>'|#<Object>)/,755 'regular assignment of an inherited non-writable property throws'756 );757 758 var parsed;759 st.doesNotThrow(760 function () {761 parsed = qs.parse('frozenProp', { allowPrototypes: false });762 },763 'parsing a nonwritable Object.prototype property does not throw'764 );765 766 st.deepEqual(parsed, {}, 'bare "frozenProp" results in {}');767 768 st.end();769 });770 771 t.test('params starting with a closing bracket', function (st) {772 st.deepEqual(qs.parse(']=toString'), { ']': 'toString' });773 st.deepEqual(qs.parse(']]=toString'), { ']]': 'toString' });774 st.deepEqual(qs.parse(']hello]=toString'), { ']hello]': 'toString' });775 st.end();776 });777 778 t.test('params starting with a starting bracket', function (st) {779 st.deepEqual(qs.parse('[=toString'), { '[': 'toString' });780 st.deepEqual(qs.parse('[[=toString'), { '[[': 'toString' });781 st.deepEqual(qs.parse('[hello[=toString'), { '[hello[': 'toString' });782 st.end();783 });784 785 t.test('add keys to objects', function (st) {786 st.deepEqual(787 qs.parse('a[b]=c&a=d'),788 { a: { b: 'c', d: true } },789 'can add keys to objects'790 );791 792 st.deepEqual(793 qs.parse('a[b]=c&a=toString'),794 { a: { b: 'c' } },795 'can not overwrite prototype'796 );797 798 st.deepEqual(799 qs.parse('a[b]=c&a=toString', { allowPrototypes: true }),800 { a: { b: 'c', toString: true } },801 'can overwrite prototype with allowPrototypes true'802 );803 804 st.deepEqual(805 qs.parse('a[b]=c&a=toString', { plainObjects: true }),806 { __proto__: null, a: { __proto__: null, b: 'c', toString: true } },807 'can overwrite prototype with plainObjects true'808 );809 810 st.end();811 });812 813 t.test('dunder proto is ignored', function (st) {814 var payload = 'categories[__proto__]=login&categories[__proto__]&categories[length]=42';815 var result = qs.parse(payload, { allowPrototypes: true });816 817 st.deepEqual(818 result,819 {820 categories: {821 length: '42'822 }823 },824 'silent [[Prototype]] payload'825 );826 827 var plainResult = qs.parse(payload, { allowPrototypes: true, plainObjects: true });828 829 st.deepEqual(830 plainResult,831 {832 __proto__: null,833 categories: {834 __proto__: null,835 length: '42'836 }837 },838 'silent [[Prototype]] payload: plain objects'839 );840 841 var query = qs.parse('categories[__proto__]=cats&categories[__proto__]=dogs&categories[some][json]=toInject', { allowPrototypes: true });842 843 st.notOk(Array.isArray(query.categories), 'is not an array');844 st.notOk(query.categories instanceof Array, 'is not instanceof an array');845 st.deepEqual(query.categories, { some: { json: 'toInject' } });846 st.equal(JSON.stringify(query.categories), '{"some":{"json":"toInject"}}', 'stringifies as a non-array');847 848 st.deepEqual(849 qs.parse('foo[__proto__][hidden]=value&foo[bar]=stuffs', { allowPrototypes: true }),850 {851 foo: {852 bar: 'stuffs'853 }854 },855 'hidden values'856 );857 858 st.deepEqual(859 qs.parse('foo[__proto__][hidden]=value&foo[bar]=stuffs', { allowPrototypes: true, plainObjects: true }),860 {861 __proto__: null,862 foo: {863 __proto__: null,864 bar: 'stuffs'865 }866 },867 'hidden values: plain objects'868 );869 870 st.end();871 });872 873 t.test('can return null objects', { skip: !hasProto }, function (st) {874 var expected = {875 __proto__: null,876 a: {877 __proto__: null,878 b: 'c',879 hasOwnProperty: 'd'880 }881 };882 st.deepEqual(qs.parse('a[b]=c&a[hasOwnProperty]=d', { plainObjects: true }), expected);883 st.deepEqual(qs.parse(null, { plainObjects: true }), { __proto__: null });884 var expectedArray = {885 __proto__: null,886 a: {887 __proto__: null,888 0: 'b',889 c: 'd'890 }891 };892 st.deepEqual(qs.parse('a[]=b&a[c]=d', { plainObjects: true }), expectedArray);893 st.end();894 });895 896 t.test('can parse with custom encoding', function (st) {897 st.deepEqual(qs.parse('%8c%a7=%91%e5%8d%e3%95%7b', {898 decoder: function (str) {899 var reg = /%([0-9A-F]{2})/ig;900 var result = [];901 var parts = reg.exec(str);902 while (parts) {903 result.push(parseInt(parts[1], 16));904 parts = reg.exec(str);905 }906 return String(iconv.decode(SaferBuffer.from(result), 'shift_jis'));907 }908 }), { 県: '大阪府' });909 st.end();910 });911 912 t.test('receives the default decoder as a second argument', function (st) {913 st.plan(1);914 qs.parse('a', {915 decoder: function (str, defaultDecoder) {916 st.equal(defaultDecoder, utils.decode);917 }918 });919 st.end();920 });921 922 t.test('throws error with wrong decoder', function (st) {923 st['throws'](function () {924 qs.parse({}, { decoder: 'string' });925 }, new TypeError('Decoder has to be a function.'));926 st.end();927 });928 929 t.test('does not mutate the options argument', function (st) {930 var options = {};931 qs.parse('a[b]=true', options);932 st.deepEqual(options, {});933 st.end();934 });935 936 t.test('throws if an invalid charset is specified', function (st) {937 st['throws'](function () {938 qs.parse('a=b', { charset: 'foobar' });939 }, new TypeError('The charset option must be either utf-8, iso-8859-1, or undefined'));940 st.end();941 });942 943 t.test('parses an iso-8859-1 string if asked to', function (st) {944 st.deepEqual(qs.parse('%A2=%BD', { charset: 'iso-8859-1' }), { '¢': '½' });945 st.end();946 });947 948 var urlEncodedCheckmarkInUtf8 = '%E2%9C%93';949 var urlEncodedOSlashInUtf8 = '%C3%B8';950 var urlEncodedNumCheckmark = '%26%2310003%3B';951 var urlEncodedNumSmiley = '%26%239786%3B';952 953 t.test('prefers an utf-8 charset specified by the utf8 sentinel to a default charset of iso-8859-1', function (st) {954 st.deepEqual(qs.parse('utf8=' + urlEncodedCheckmarkInUtf8 + '&' + urlEncodedOSlashInUtf8 + '=' + urlEncodedOSlashInUtf8, { charsetSentinel: true, charset: 'iso-8859-1' }), { ø: 'ø' });955 st.end();956 });957 958 t.test('prefers an iso-8859-1 charset specified by the utf8 sentinel to a default charset of utf-8', function (st) {959 st.deepEqual(qs.parse('utf8=' + urlEncodedNumCheckmark + '&' + urlEncodedOSlashInUtf8 + '=' + urlEncodedOSlashInUtf8, { charsetSentinel: true, charset: 'utf-8' }), { 'ø': 'ø' });960 st.end();961 });962 963 t.test('does not require the utf8 sentinel to be defined before the parameters whose decoding it affects', function (st) {964 st.deepEqual(qs.parse('a=' + urlEncodedOSlashInUtf8 + '&utf8=' + urlEncodedNumCheckmark, { charsetSentinel: true, charset: 'utf-8' }), { a: 'ø' });965 st.end();966 });967 968 t.test('ignores an utf8 sentinel with an unknown value', function (st) {969 st.deepEqual(qs.parse('utf8=foo&' + urlEncodedOSlashInUtf8 + '=' + urlEncodedOSlashInUtf8, { charsetSentinel: true, charset: 'utf-8' }), { ø: 'ø' });970 st.end();971 });972 973 t.test('uses the utf8 sentinel to switch to utf-8 when no default charset is given', function (st) {974 st.deepEqual(qs.parse('utf8=' + urlEncodedCheckmarkInUtf8 + '&' + urlEncodedOSlashInUtf8 + '=' + urlEncodedOSlashInUtf8, { charsetSentinel: true }), { ø: 'ø' });975 st.end();976 });977 978 t.test('uses the utf8 sentinel to switch to iso-8859-1 when no default charset is given', function (st) {979 st.deepEqual(qs.parse('utf8=' + urlEncodedNumCheckmark + '&' + urlEncodedOSlashInUtf8 + '=' + urlEncodedOSlashInUtf8, { charsetSentinel: true }), { 'ø': 'ø' });980 st.end();981 });982 983 t.test('interprets numeric entities in iso-8859-1 when `interpretNumericEntities`', function (st) {984 st.deepEqual(qs.parse('foo=' + urlEncodedNumSmiley, { charset: 'iso-8859-1', interpretNumericEntities: true }), { foo: '☺' });985 st.end();986 });987 988 t.test('handles a custom decoder returning `null`, in the `iso-8859-1` charset, when `interpretNumericEntities`', function (st) {989 st.deepEqual(qs.parse('foo=&bar=' + urlEncodedNumSmiley, {990 charset: 'iso-8859-1',991 decoder: function (str, defaultDecoder, charset) {992 return str ? defaultDecoder(str, defaultDecoder, charset) : null;993 },994 interpretNumericEntities: true995 }), { foo: null, bar: '☺' });996 st.end();997 });998 999 t.test('handles a custom decoder returning `null`, with a string key of `null`', function (st) {1000 st.deepEqual(1001 qs.parse('null=1&ToNull=2', {1002 decoder: function (str, defaultDecoder, charset) {1003 return str === 'ToNull' ? null : defaultDecoder(str, defaultDecoder, charset);1004 }1005 }),1006 { 'null': '1' },1007 '"null" key is not overridden by `null` decoder result'1008 );1009 1010 st.end();1011 });1012 1013 t.test('does not interpret numeric entities in iso-8859-1 when `interpretNumericEntities` is absent', function (st) {1014 st.deepEqual(qs.parse('foo=' + urlEncodedNumSmiley, { charset: 'iso-8859-1' }), { foo: '☺' });1015 st.end();1016 });1017 1018 t.test('does not interpret numeric entities when the charset is utf-8, even when `interpretNumericEntities`', function (st) {1019 st.deepEqual(qs.parse('foo=' + urlEncodedNumSmiley, { charset: 'utf-8', interpretNumericEntities: true }), { foo: '☺' });1020 st.end();1021 });1022 1023 t.test('interpretNumericEntities with comma:true and iso charset does not crash', function (st) {1024 st.deepEqual(1025 qs.parse('b&a[]=1,' + urlEncodedNumSmiley, { comma: true, charset: 'iso-8859-1', interpretNumericEntities: true }),1026 { b: '', a: ['1,☺'] }1027 );1028 1029 st.end();1030 });1031 1032 t.test('does not interpret %uXXXX syntax in iso-8859-1 mode', function (st) {1033 st.deepEqual(qs.parse('%u263A=%u263A', { charset: 'iso-8859-1' }), { '%u263A': '%u263A' });1034 st.end();1035 });1036 1037 t.test('allows for decoding keys and values differently', function (st) {1038 var decoder = function (str, defaultDecoder, charset, type) {1039 if (type === 'key') {1040 return defaultDecoder(str, defaultDecoder, charset, type).toLowerCase();1041 }1042 if (type === 'value') {1043 return defaultDecoder(str, defaultDecoder, charset, type).toUpperCase();1044 }1045 throw 'this should never happen! type: ' + type;1046 };1047 1048 st.deepEqual(qs.parse('KeY=vAlUe', { decoder: decoder }), { key: 'VALUE' });1049 st.end();1050 });1051 1052 t.test('parameter limit tests', function (st) {1053 st.test('does not throw error when within parameter limit', function (sst) {1054 var result = qs.parse('a=1&b=2&c=3', { parameterLimit: 5, throwOnLimitExceeded: true });1055 sst.deepEqual(result, { a: '1', b: '2', c: '3' }, 'parses without errors');1056 sst.end();1057 });1058 1059 st.test('throws error when throwOnLimitExceeded is present but not boolean', function (sst) {1060 sst['throws'](1061 function () {1062 qs.parse('a=1&b=2&c=3&d=4&e=5&f=6', { parameterLimit: 3, throwOnLimitExceeded: 'true' });1063 },1064 new TypeError('`throwOnLimitExceeded` option must be a boolean'),1065 'throws error when throwOnLimitExceeded is present and not boolean'1066 );1067 sst.end();1068 });1069 1070 st.test('throws error when parameter limit exceeded', function (sst) {1071 sst['throws'](1072 function () {1073 qs.parse('a=1&b=2&c=3&d=4&e=5&f=6', { parameterLimit: 3, throwOnLimitExceeded: true });1074 },1075 new RangeError('Parameter limit exceeded. Only 3 parameters allowed.'),1076 'throws error when parameter limit is exceeded'1077 );1078 sst.end();1079 });1080 1081 st.test('silently truncates when throwOnLimitExceeded is not given', function (sst) {1082 var result = qs.parse('a=1&b=2&c=3&d=4&e=5', { parameterLimit: 3 });1083 sst.deepEqual(result, { a: '1', b: '2', c: '3' }, 'parses and truncates silently');1084 sst.end();1085 });1086 1087 st.test('silently truncates when parameter limit exceeded without error', function (sst) {1088 var result = qs.parse('a=1&b=2&c=3&d=4&e=5', { parameterLimit: 3, throwOnLimitExceeded: false });1089 sst.deepEqual(result, { a: '1', b: '2', c: '3' }, 'parses and truncates silently');1090 sst.end();1091 });1092 1093 st.test('allows unlimited parameters when parameterLimit set to Infinity', function (sst) {1094 var result = qs.parse('a=1&b=2&c=3&d=4&e=5&f=6', { parameterLimit: Infinity });1095 sst.deepEqual(result, { a: '1', b: '2', c: '3', d: '4', e: '5', f: '6' }, 'parses all parameters without truncation');1096 sst.end();1097 });1098 1099 st.end();1100 });1101 1102 t.test('array limit tests', function (st) {1103 st.test('does not throw error when array is within limit', function (sst) {1104 var result = qs.parse('a[]=1&a[]=2&a[]=3', { arrayLimit: 5, throwOnLimitExceeded: true });1105 sst.deepEqual(result, { a: ['1', '2', '3'] }, 'parses array without errors');1106 sst.end();1107 });1108 1109 st.test('throws error when throwOnLimitExceeded is present but not boolean for array limit', function (sst) {1110 sst['throws'](1111 function () {1112 qs.parse('a[]=1&a[]=2&a[]=3&a[]=4', { arrayLimit: 3, throwOnLimitExceeded: 'true' });1113 },1114 new TypeError('`throwOnLimitExceeded` option must be a boolean'),1115 'throws error when throwOnLimitExceeded is present and not boolean for array limit'1116 );1117 sst.end();1118 });1119 1120 st.test('throws error when array limit exceeded', function (sst) {1121 sst['throws'](1122 function () {1123 qs.parse('a[]=1&a[]=2&a[]=3&a[]=4', { arrayLimit: 3, throwOnLimitExceeded: true });1124 },1125 new RangeError('Array limit exceeded. Only 3 elements allowed in an array.'),1126 'throws error when array limit is exceeded'1127 );1128 sst.end();1129 });1130 1131 st.test('converts array to object if length is greater than limit', function (sst) {1132 var result = qs.parse('a[1]=1&a[2]=2&a[3]=3&a[4]=4&a[5]=5&a[6]=6', { arrayLimit: 5 });1133 1134 sst.deepEqual(result, { a: { 1: '1', 2: '2', 3: '3', 4: '4', 5: '5', 6: '6' } }, 'parses into object if array length is greater than limit');1135 sst.end();1136 });1137 1138 st.end();1139 });1140 1141 t.end();1142});1143 1144test('parses empty keys', function (t) {1145 emptyTestCases.forEach(function (testCase) {1146 t.test('skips empty string key with ' + testCase.input, function (st) {1147 st.deepEqual(qs.parse(testCase.input), testCase.noEmptyKeys);1148 1149 st.end();1150 });1151 });1152});1153 1154test('`duplicates` option', function (t) {1155 v.nonStrings.concat('not a valid option').forEach(function (invalidOption) {1156 if (typeof invalidOption !== 'undefined') {1157 t['throws'](1158 function () { qs.parse('', { duplicates: invalidOption }); },1159 TypeError,1160 'throws on invalid option: ' + inspect(invalidOption)1161 );1162 }1163 });1164 1165 t.deepEqual(1166 qs.parse('foo=bar&foo=baz'),1167 { foo: ['bar', 'baz'] },1168 'duplicates: default, combine'1169 );1170 1171 t.deepEqual(1172 qs.parse('foo=bar&foo=baz', { duplicates: 'combine' }),1173 { foo: ['bar', 'baz'] },1174 'duplicates: combine'1175 );1176 1177 t.deepEqual(1178 qs.parse('foo=bar&foo=baz', { duplicates: 'first' }),1179 { foo: 'bar' },1180 'duplicates: first'1181 );1182 1183 t.deepEqual(1184 qs.parse('foo=bar&foo=baz', { duplicates: 'last' }),1185 { foo: 'baz' },1186 'duplicates: last'1187 );1188 1189 t.end();1190});1191 1192test('qs strictDepth option - throw cases', function (t) {1193 t.test('throws an exception when depth exceeds the limit with strictDepth: true', function (st) {1194 st['throws'](1195 function () {1196 qs.parse('a[b][c][d][e][f][g][h][i]=j', { depth: 1, strictDepth: true });1197 },1198 RangeError,1199 'throws RangeError'1200 );