File size: 7,897 Bytes
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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('repl._builtinLibs 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 Module = require('module');
var libs = 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');
}
if (semver.satisfies(process.version, '^20.12 || >= 21.7')) {
libs = libs.concat('node:sea');
}
if (semver.satisfies(process.version, '>= 23.4')) {
libs = libs.concat('node:sqlite');
}
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');
if (Module.isBuiltin) {
st.ok(Module.isBuiltin(mod), 'module.isBuiltin(' + mod + ') is true');
}
st.doesNotThrow(
function () { require(mod); }, // eslint-disable-line no-loop-func
'requiring ' + mod + ' does not throw'
);
if (process.getBuiltinModule) {
st.equal(
process.getBuiltinModule(mod),
require(mod),
'process.getBuiltinModule(' + mod + ') === require(' + mod + ')'
);
}
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('isCore with explicit nodeVersion', function (st) {
st.ok(isCore('async_hooks', '8.0.0'), 'async_hooks is core in 8.0.0 (exact match on >= specifier)');
st.ok(isCore('buffer_ieee754', '0.5.0'), 'buffer_ieee754 is core in 0.5.0');
st.ok(!isCore('buffer_ieee754', '0.9.7'), 'buffer_ieee754 is not core in 0.9.7');
st.ok(!isCore('buffer_ieee754', '1.0.0'), 'buffer_ieee754 is not core in 1.0.0');
st.ok(isCore('buffer_ieee754', '0.8.0'), 'buffer_ieee754 is core in 0.8.0');
st['throws'](
function () { isCore('async_hooks', null); },
TypeError,
'isCore with non-string non-undefined nodeVersion throws TypeError'
);
st['throws'](
function () { isCore('async_hooks', 123); },
TypeError,
'isCore with numeric nodeVersion throws TypeError'
);
st.end();
});
t.test('isCore with non-boolean specifier and invalid nodeVersion', function (st) {
st['throws'](
function () { isCore('async_hooks', null); },
TypeError,
'isCore with null nodeVersion on non-boolean module throws TypeError'
);
st['throws'](
function () { isCore('async_hooks', 123); },
TypeError,
'isCore with numeric nodeVersion on non-boolean module throws TypeError'
);
st.end();
});
t.test('isCore with undefined nodeVersion and non-string process.versions.node', function (st) {
st.teardown(mockProperty(process, 'versions', { value: { node: null } }));
st['throws'](
function () { isCore('async_hooks'); },
TypeError,
'isCore throws when process.versions.node is not a string'
);
st.end();
});
t.test('isCore with undefined nodeVersion and falsy process.versions', function (st) {
st.teardown(mockProperty(process, 'versions', { value: null }));
st['throws'](
function () { isCore('async_hooks'); },
TypeError,
'isCore throws when process.versions is falsy'
);
st.end();
});
t.test('specifierIncluded with = operator (bare version)', function (st) {
var testKey = '__test_equal_op';
data[testKey] = '14.18';
st.teardown(function () { delete data[testKey]; });
st.ok(!isCore(testKey, '14.17.0'), 'returns false when minor version does not match with = op');
st.ok(!isCore(testKey, '15.0.0'), 'returns false when major version does not match with = op');
st.ok(!isCore(testKey, '14.18.0'), 'returns false for exact match with = op (= is not >=)');
st.end();
});
t.test('isCore with short version strings', function (st) {
st.ok(isCore('async_hooks', '8'), 'async_hooks is core with single-part version "8"');
st.ok(!isCore('async_hooks', '7'), 'async_hooks is not core with single-part version "7"');
st.ok(isCore('cluster', '0.5'), 'cluster is core with two-part version "0.5"');
st.end();
});
t.test('matchesRange with empty specifiers array', function (st) {
var testKey = '__test_empty_split';
var testRange = '__test_range__';
data[testKey] = testRange;
st.teardown(function () { delete data[testKey]; });
var origSplit = String.prototype.split;
st.teardown(mockProperty(String.prototype, 'split', {
value: function () {
if (String(this) === testRange) {
return [];
}
return origSplit.apply(this, arguments);
}
}));
st.ok(!isCore(testKey, '8.0.0'), 'returns false when specifiers array is empty');
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();
});
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