trouble-in-terror-town/node_modules/is-core-module/test/index.js
Mikolaj 2bbacbea09 did some more work on networking and removed EOS in favor of LRM
did some more work on networking and removed EOS in favor of Light Reflective Mirror
2022-05-31 15:04:31 +02:00

133 lines
4 KiB
JavaScript

'use strict';
var test = require('tape');
var keys = require('object-keys');
var semver = require('semver');
var mockProperty = require('mock-property');
var isCore = require('../');
var data = require('../core.json');
var supportsNodePrefix = semver.satisfies(process.versions.node, '^14.18 || >= 16', { includePrerelease: true });
test('core modules', function (t) {
t.test('isCore()', function (st) {
st.ok(isCore('fs'));
st.ok(isCore('net'));
st.ok(isCore('http'));
st.ok(!isCore('seq'));
st.ok(!isCore('../'));
st.ok(!isCore('toString'));
st.end();
});
t.test('core list', function (st) {
var cores = keys(data);
st.plan(cores.length);
for (var i = 0; i < cores.length; ++i) {
var mod = cores[i];
var requireFunc = function () { require(mod); }; // eslint-disable-line no-loop-func
if (isCore(mod)) {
st.doesNotThrow(requireFunc, mod + ' supported; requiring does not throw');
} else {
st['throws'](requireFunc, mod + ' not supported; requiring throws');
}
}
st.end();
});
t.test('core via repl module', { skip: !data.repl }, function (st) {
var libs = require('repl')._builtinLibs; // eslint-disable-line no-underscore-dangle
if (!libs) {
st.skip('module.builtinModules does not exist');
} else {
for (var i = 0; i < libs.length; ++i) {
var mod = libs[i];
st.ok(data[mod], mod + ' is a core module');
st.doesNotThrow(
function () { require(mod); }, // eslint-disable-line no-loop-func
'requiring ' + mod + ' does not throw'
);
if (mod.slice(0, 5) !== 'node:') {
if (supportsNodePrefix) {
st.doesNotThrow(
function () { require('node:' + mod); }, // eslint-disable-line no-loop-func
'requiring node:' + mod + ' does not throw'
);
} else {
st['throws'](
function () { require('node:' + mod); }, // eslint-disable-line no-loop-func
'requiring node:' + mod + ' throws'
);
}
}
}
}
st.end();
});
t.test('core via builtinModules list', { skip: !data.module }, function (st) {
var libs = require('module').builtinModules;
if (!libs) {
st.skip('module.builtinModules does not exist');
} else {
var excludeList = [
'_debug_agent',
'v8/tools/tickprocessor-driver',
'v8/tools/SourceMap',
'v8/tools/tickprocessor',
'v8/tools/profile'
];
// see https://github.com/nodejs/node/issues/42785
if (semver.satisfies(process.version, '>= 18')) {
libs = libs.concat('node:test');
}
for (var i = 0; i < libs.length; ++i) {
var mod = libs[i];
if (excludeList.indexOf(mod) === -1) {
st.ok(data[mod], mod + ' is a core module');
st.doesNotThrow(
function () { require(mod); }, // eslint-disable-line no-loop-func
'requiring ' + mod + ' does not throw'
);
if (mod.slice(0, 5) !== 'node:') {
if (supportsNodePrefix) {
st.doesNotThrow(
function () { require('node:' + mod); }, // eslint-disable-line no-loop-func
'requiring node:' + mod + ' does not throw'
);
} else {
st['throws'](
function () { require('node:' + mod); }, // eslint-disable-line no-loop-func
'requiring node:' + mod + ' throws'
);
}
}
}
}
}
st.end();
});
t.test('Object.prototype pollution', function (st) {
var nonKey = 'not a core module';
st.teardown(mockProperty(Object.prototype, 'fs', { value: false }));
st.teardown(mockProperty(Object.prototype, 'path', { value: '>= 999999999' }));
st.teardown(mockProperty(Object.prototype, 'http', { value: data.http }));
st.teardown(mockProperty(Object.prototype, nonKey, { value: true }));
st.equal(isCore('fs'), true, 'fs is a core module even if Object.prototype lies');
st.equal(isCore('path'), true, 'path is a core module even if Object.prototype lies');
st.equal(isCore('http'), true, 'path is a core module even if Object.prototype matches data');
st.equal(isCore(nonKey), false, '"' + nonKey + '" is not a core module even if Object.prototype lies');
st.end();
});
t.end();
});