| 1 | 'use strict';
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| 2 |
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| 3 | var test = require('tape');
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| 4 | var keys = require('object-keys');
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| 5 | var semver = require('semver');
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| 6 | var mockProperty = require('mock-property');
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| 7 |
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| 8 | var isCore = require('../');
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| 9 | var data = require('../core.json');
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| 10 |
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| 11 | var supportsNodePrefix = semver.satisfies(process.versions.node, '^14.18 || >= 16', { includePrerelease: true });
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| 12 |
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| 13 | test('core modules', function (t) {
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| 14 | t.test('isCore()', function (st) {
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| 15 | st.ok(isCore('fs'));
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| 16 | st.ok(isCore('net'));
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| 17 | st.ok(isCore('http'));
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| 18 |
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| 19 | st.ok(!isCore('seq'));
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| 20 | st.ok(!isCore('../'));
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| 21 |
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| 22 | st.ok(!isCore('toString'));
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| 23 |
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| 24 | st.end();
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| 25 | });
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| 26 |
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| 27 | t.test('core list', function (st) {
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| 28 | var cores = keys(data);
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| 29 | st.plan(cores.length);
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| 30 |
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| 31 | for (var i = 0; i < cores.length; ++i) {
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| 32 | var mod = cores[i];
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| 33 | var requireFunc = function () { require(mod); }; // eslint-disable-line no-loop-func
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| 34 | if (isCore(mod)) {
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| 35 | st.doesNotThrow(requireFunc, mod + ' supported; requiring does not throw');
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| 36 | } else {
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| 37 | st['throws'](requireFunc, mod + ' not supported; requiring throws');
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| 38 | }
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| 39 | }
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| 40 |
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| 41 | st.end();
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| 42 | });
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| 43 |
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| 44 | t.test('core via repl module', { skip: !data.repl }, function (st) {
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| 45 | var libs = require('repl')._builtinLibs; // eslint-disable-line no-underscore-dangle
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| 46 | if (!libs) {
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| 47 | st.skip('repl._builtinLibs does not exist');
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| 48 | } else {
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| 49 | for (var i = 0; i < libs.length; ++i) {
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| 50 | var mod = libs[i];
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| 51 | st.ok(data[mod], mod + ' is a core module');
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| 52 | st.doesNotThrow(
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| 53 | function () { require(mod); }, // eslint-disable-line no-loop-func
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| 54 | 'requiring ' + mod + ' does not throw'
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| 55 | );
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| 56 | if (mod.slice(0, 5) !== 'node:') {
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| 57 | if (supportsNodePrefix) {
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| 58 | st.doesNotThrow(
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| 59 | function () { require('node:' + mod); }, // eslint-disable-line no-loop-func
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| 60 | 'requiring node:' + mod + ' does not throw'
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| 61 | );
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| 62 | } else {
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| 63 | st['throws'](
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| 64 | function () { require('node:' + mod); }, // eslint-disable-line no-loop-func
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| 65 | 'requiring node:' + mod + ' throws'
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| 66 | );
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| 67 | }
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| 68 | }
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| 69 | }
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| 70 | }
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| 71 | st.end();
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| 72 | });
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| 73 |
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| 74 | t.test('core via builtinModules list', { skip: !data.module }, function (st) {
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| 75 | var libs = require('module').builtinModules;
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| 76 | if (!libs) {
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| 77 | st.skip('module.builtinModules does not exist');
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| 78 | } else {
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| 79 | var excludeList = [
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| 80 | '_debug_agent',
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| 81 | 'v8/tools/tickprocessor-driver',
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| 82 | 'v8/tools/SourceMap',
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| 83 | 'v8/tools/tickprocessor',
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| 84 | 'v8/tools/profile'
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| 85 | ];
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| 86 |
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| 87 | // see https://github.com/nodejs/node/issues/42785
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| 88 | if (semver.satisfies(process.version, '>= 18')) {
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| 89 | libs = libs.concat('node:test');
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| 90 | }
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| 91 | if (semver.satisfies(process.version, '^20.12 || >= 21.7')) {
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| 92 | libs = libs.concat('node:sea');
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| 93 | }
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| 94 |
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| 95 | for (var i = 0; i < libs.length; ++i) {
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| 96 | var mod = libs[i];
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| 97 | if (excludeList.indexOf(mod) === -1) {
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| 98 | st.ok(data[mod], mod + ' is a core module');
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| 99 | st.doesNotThrow(
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| 100 | function () { require(mod); }, // eslint-disable-line no-loop-func
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| 101 | 'requiring ' + mod + ' does not throw'
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| 102 | );
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| 103 | if (mod.slice(0, 5) !== 'node:') {
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| 104 | if (supportsNodePrefix) {
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| 105 | st.doesNotThrow(
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| 106 | function () { require('node:' + mod); }, // eslint-disable-line no-loop-func
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| 107 | 'requiring node:' + mod + ' does not throw'
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| 108 | );
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| 109 | } else {
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| 110 | st['throws'](
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| 111 | function () { require('node:' + mod); }, // eslint-disable-line no-loop-func
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| 112 | 'requiring node:' + mod + ' throws'
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| 113 | );
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| 114 | }
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| 115 | }
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| 116 | }
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| 117 | }
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| 118 | }
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| 119 | st.end();
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| 120 | });
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| 121 |
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| 122 | t.test('Object.prototype pollution', function (st) {
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| 123 | var nonKey = 'not a core module';
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| 124 | st.teardown(mockProperty(Object.prototype, 'fs', { value: false }));
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| 125 | st.teardown(mockProperty(Object.prototype, 'path', { value: '>= 999999999' }));
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| 126 | st.teardown(mockProperty(Object.prototype, 'http', { value: data.http }));
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| 127 | st.teardown(mockProperty(Object.prototype, nonKey, { value: true }));
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| 128 |
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| 129 | st.equal(isCore('fs'), true, 'fs is a core module even if Object.prototype lies');
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| 130 | st.equal(isCore('path'), true, 'path is a core module even if Object.prototype lies');
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| 131 | st.equal(isCore('http'), true, 'path is a core module even if Object.prototype matches data');
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| 132 | st.equal(isCore(nonKey), false, '"' + nonKey + '" is not a core module even if Object.prototype lies');
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| 133 |
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| 134 | st.end();
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| 135 | });
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| 136 |
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| 137 | t.end();
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| 138 | });
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