odin-js-fundamentals-part-4/node_modules/resolve/test/core.js

89 lines
3.0 KiB
JavaScript

var test = require('tape');
var keys = require('object-keys');
var semver = require('semver');
var resolve = require('../');
var brokenNode = semver.satisfies(process.version, '11.11 - 11.13');
test('core modules', function (t) {
t.test('isCore()', function (st) {
st.ok(resolve.isCore('fs'));
st.ok(resolve.isCore('net'));
st.ok(resolve.isCore('http'));
st.ok(!resolve.isCore('seq'));
st.ok(!resolve.isCore('../'));
st.ok(!resolve.isCore('toString'));
st.end();
});
t.test('core list', function (st) {
var cores = keys(resolve.core);
st.plan(cores.length);
for (var i = 0; i < cores.length; ++i) {
var mod = cores[i];
// note: this must be require, not require.resolve, due to https://github.com/nodejs/node/issues/43274
var requireFunc = function () { require(mod); }; // eslint-disable-line no-loop-func
t.comment(mod + ': ' + resolve.core[mod]);
if (resolve.core[mod]) {
st.doesNotThrow(requireFunc, mod + ' supported; requiring does not throw');
} else if (brokenNode) {
st.ok(true, 'this version of node is broken: attempting to require things that fail to resolve breaks "home_paths" tests');
} else {
st.throws(requireFunc, mod + ' not supported; requiring throws');
}
}
st.end();
});
t.test('core via repl module', { skip: !resolve.core.repl }, function (st) {
var libs = require('repl')._builtinLibs; // eslint-disable-line no-underscore-dangle
if (!libs) {
st.skip('module.builtinModules does not exist');
return st.end();
}
for (var i = 0; i < libs.length; ++i) {
var mod = libs[i];
st.ok(resolve.core[mod], mod + ' is a core module');
st.doesNotThrow(
function () { require(mod); }, // eslint-disable-line no-loop-func
'requiring ' + mod + ' does not throw'
);
}
st.end();
});
t.test('core via builtinModules list', { skip: !resolve.core.module }, function (st) {
var libs = require('module').builtinModules;
if (!libs) {
st.skip('module.builtinModules does not exist');
return st.end();
}
var blacklist = [
'_debug_agent',
'v8/tools/tickprocessor-driver',
'v8/tools/SourceMap',
'v8/tools/tickprocessor',
'v8/tools/profile'
];
for (var i = 0; i < libs.length; ++i) {
var mod = libs[i];
if (blacklist.indexOf(mod) === -1) {
st.ok(resolve.core[mod], mod + ' is a core module');
st.doesNotThrow(
function () { require(mod); }, // eslint-disable-line no-loop-func
'requiring ' + mod + ' does not throw'
);
}
}
st.end();
});
t.end();
});