HarshvardhanCn01/Voice-Assistant

1var test = require('tape');2var hasSymbols = require('has-symbols/shams')();3var utilInspect = require('../util.inspect');4var repeat = require('string.prototype.repeat');5 6var inspect = require('..');7 8test('inspect', function (t) {9    t.plan(5);10 11    var obj = [{ inspect: function xyzInspect() { return '!XYZ¡'; } }, []];12    var stringResult = '[ !XYZ¡, [] ]';13    var falseResult = '[ { inspect: [Function: xyzInspect] }, [] ]';14 15    t.equal(inspect(obj), stringResult);16    t.equal(inspect(obj, { customInspect: true }), stringResult);17    t.equal(inspect(obj, { customInspect: 'symbol' }), falseResult);18    t.equal(inspect(obj, { customInspect: false }), falseResult);19    t['throws'](20        function () { inspect(obj, { customInspect: 'not a boolean or "symbol"' }); },21        TypeError,22        '`customInspect` must be a boolean or the string "symbol"'23    );24});25 26test('inspect custom symbol', { skip: !hasSymbols || !utilInspect || !utilInspect.custom }, function (t) {27    t.plan(4);28 29    var obj = { inspect: function stringInspect() { return 'string'; } };30    obj[utilInspect.custom] = function custom() { return 'symbol'; };31 32    var symbolResult = '[ symbol, [] ]';33    var stringResult = '[ string, [] ]';34    var falseResult = '[ { inspect: [Function: stringInspect]' + (utilInspect.custom ? ', [' + inspect(utilInspect.custom) + ']: [Function: custom]' : '') + ' }, [] ]';35 36    var symbolStringFallback = utilInspect.custom ? symbolResult : stringResult;37    var symbolFalseFallback = utilInspect.custom ? symbolResult : falseResult;38 39    t.equal(inspect([obj, []]), symbolStringFallback);40    t.equal(inspect([obj, []], { customInspect: true }), symbolStringFallback);41    t.equal(inspect([obj, []], { customInspect: 'symbol' }), symbolFalseFallback);42    t.equal(inspect([obj, []], { customInspect: false }), falseResult);43});44 45test('symbols', { skip: !hasSymbols }, function (t) {46    t.plan(2);47 48    var obj = { a: 1 };49    obj[Symbol('test')] = 2;50    obj[Symbol.iterator] = 3;51    Object.defineProperty(obj, Symbol('non-enum'), {52        enumerable: false,53        value: 454    });55 56    if (typeof Symbol.iterator === 'symbol') {57        t.equal(inspect(obj), '{ a: 1, [Symbol(test)]: 2, [Symbol(Symbol.iterator)]: 3 }', 'object with symbols');58        t.equal(inspect([obj, []]), '[ { a: 1, [Symbol(test)]: 2, [Symbol(Symbol.iterator)]: 3 }, [] ]', 'object with symbols in array');59    } else {60        // symbol sham key ordering is unreliable61        t.match(62            inspect(obj),63            /^(?:{ a: 1, \[Symbol\(test\)\]: 2, \[Symbol\(Symbol.iterator\)\]: 3 }|{ a: 1, \[Symbol\(Symbol.iterator\)\]: 3, \[Symbol\(test\)\]: 2 })$/,64            'object with symbols (nondeterministic symbol sham key ordering)'65        );66        t.match(67            inspect([obj, []]),68            /^\[ (?:{ a: 1, \[Symbol\(test\)\]: 2, \[Symbol\(Symbol.iterator\)\]: 3 }|{ a: 1, \[Symbol\(Symbol.iterator\)\]: 3, \[Symbol\(test\)\]: 2 }), \[\] \]$/,69            'object with symbols in array (nondeterministic symbol sham key ordering)'70        );71    }72});73 74test('maxStringLength', function (t) {75    t['throws'](76        function () { inspect('', { maxStringLength: -1 }); },77        TypeError,78        'maxStringLength must be >= 0, or Infinity, not negative'79    );80 81    var str = repeat('a', 1e8);82 83    t.equal(84        inspect([str], { maxStringLength: 10 }),85        '[ \'aaaaaaaaaa\'... 99999990 more characters ]',86        'maxStringLength option limits output'87    );88 89    t.equal(90        inspect(['f'], { maxStringLength: null }),91        '[ \'\'... 1 more character ]',92        'maxStringLength option accepts `null`'93    );94 95    t.equal(96        inspect([str], { maxStringLength: Infinity }),97        '[ \'' + str + '\' ]',98        'maxStringLength option accepts ∞'99    );100 101    t.end();102});103 104test('inspect options', { skip: !utilInspect.custom }, function (t) {105    var obj = {};106    obj[utilInspect.custom] = function () {107        return JSON.stringify(arguments);108    };109    t.equal(110        inspect(obj),111        utilInspect(obj, { depth: 5 }),112        'custom symbols will use node\'s inspect'113    );114    t.equal(115        inspect(obj, { depth: 2 }),116        utilInspect(obj, { depth: 2 }),117        'a reduced depth will be passed to node\'s inspect'118    );119    t.equal(120        inspect({ d1: obj }, { depth: 3 }),121        '{ d1: ' + utilInspect(obj, { depth: 2 }) + ' }',122        'deep objects will receive a reduced depth'123    );124    t.equal(125        inspect({ d1: obj }, { depth: 1 }),126        '{ d1: [Object] }',127        'unlike nodejs inspect, customInspect will not be used once the depth is exceeded.'128    );129    t.end();130});131 132test('inspect URL', { skip: typeof URL === 'undefined' }, function (t) {133    t.match(134        inspect(new URL('https://nodejs.org')),135        /nodejs\.org/, // Different environments stringify it differently136        'url can be inspected'137    );138    t.end();139});140