odin-javascript-exercises/node_modules/resolve/test/symlinks.js
2017-12-15 12:56:14 -06:00

54 lines
1.8 KiB
JavaScript

var path = require('path');
var fs = require('fs');
var test = require('tape');
var resolve = require('../');
var symlinkDir = path.join(__dirname, 'resolver', 'symlinked', 'symlink');
try {
fs.unlinkSync(symlinkDir);
} catch (err) {}
try {
fs.symlinkSync('./_/symlink_target', symlinkDir, 'dir');
} catch (err) {
// if fails then it is probably on Windows and lets try to create a junction
fs.symlinkSync(path.join(__dirname, 'resolver', 'symlinked', '_', 'symlink_target') + '\\', symlinkDir, 'junction');
}
test('symlink', function (t) {
t.plan(1);
resolve('foo', { basedir: symlinkDir, preserveSymlinks: false }, function (err, res, pkg) {
if (err) t.fail(err);
t.equal(res, path.join(__dirname, 'resolver', 'symlinked', '_', 'node_modules', 'foo.js'));
});
});
test('sync symlink when preserveSymlinks = true', function (t) {
t.plan(4);
resolve('foo', { basedir: symlinkDir }, function (err, res, pkg) {
t.ok(err, 'there is an error');
t.notOk(res, 'no result');
t.equal(err && err.code, 'MODULE_NOT_FOUND', 'error code matches require.resolve');
t.equal(
err && err.message,
'Cannot find module \'foo\' from \'' + symlinkDir + '\'',
'can not find nonexistent module'
);
});
});
test('sync symlink', function (t) {
var start = new Date();
t.equal(resolve.sync('foo', { basedir: symlinkDir, preserveSymlinks: false }), path.join(__dirname, 'resolver', 'symlinked', '_', 'node_modules', 'foo.js'));
t.ok(new Date() - start < 50, 'resolve.sync timedout');
t.end();
});
test('sync symlink when preserveSymlinks = true', function (t) {
t.throws(function () {
resolve.sync('foo', { basedir: symlinkDir });
}, /Cannot find module 'foo'/);
t.end();
});