var path = require('path'); var test = require('tape'); var resolve = require('../'); test('mock', function (t) { t.plan(4); var files = {}; files[path.resolve('/foo/bar/baz.js')] = 'beep'; var dirs = {}; dirs[path.resolve('/foo/bar')] = true; function opts(basedir) { return { basedir: path.resolve(basedir), isFile: function (file) { return Object.prototype.hasOwnProperty.call(files, path.resolve(file)); }, isDirectory: function (dir) { return !!dirs[path.resolve(dir)]; }, readFileSync: function (file) { return files[path.resolve(file)]; }, realpathSync: function (file) { return file; } }; } t.equal( resolve.sync('./baz', opts('/foo/bar')), path.resolve('/foo/bar/baz.js') ); t.equal( resolve.sync('./baz.js', opts('/foo/bar')), path.resolve('/foo/bar/baz.js') ); t.throws(function () { resolve.sync('baz', opts('/foo/bar')); }); t.throws(function () { resolve.sync('../baz', opts('/foo/bar')); }); }); test('mock package', function (t) { t.plan(1); var files = {}; files[path.resolve('/foo/node_modules/bar/baz.js')] = 'beep'; files[path.resolve('/foo/node_modules/bar/package.json')] = JSON.stringify({ main: './baz.js' }); var dirs = {}; dirs[path.resolve('/foo')] = true; dirs[path.resolve('/foo/node_modules')] = true; function opts(basedir) { return { basedir: path.resolve(basedir), isFile: function (file) { return Object.prototype.hasOwnProperty.call(files, path.resolve(file)); }, isDirectory: function (dir) { return !!dirs[path.resolve(dir)]; }, readFileSync: function (file) { return files[path.resolve(file)]; }, realpathSync: function (file) { return file; } }; } t.equal( resolve.sync('bar', opts('/foo')), path.resolve('/foo/node_modules/bar/baz.js') ); }); test('symlinked', function (t) { t.plan(2); var files = {}; files[path.resolve('/foo/bar/baz.js')] = 'beep'; files[path.resolve('/foo/bar/symlinked/baz.js')] = 'beep'; var dirs = {}; dirs[path.resolve('/foo/bar')] = true; dirs[path.resolve('/foo/bar/symlinked')] = true; function opts(basedir) { return { preserveSymlinks: false, basedir: path.resolve(basedir), isFile: function (file) { return Object.prototype.hasOwnProperty.call(files, path.resolve(file)); }, isDirectory: function (dir) { return !!dirs[path.resolve(dir)]; }, readFileSync: function (file) { return files[path.resolve(file)]; }, realpathSync: function (file) { var resolved = path.resolve(file); if (resolved.indexOf('symlinked') >= 0) { return resolved; } var ext = path.extname(resolved); if (ext) { var dir = path.dirname(resolved); var base = path.basename(resolved); return path.join(dir, 'symlinked', base); } return path.join(resolved, 'symlinked'); } }; } t.equal( resolve.sync('./baz', opts('/foo/bar')), path.resolve('/foo/bar/symlinked/baz.js') ); t.equal( resolve.sync('./baz.js', opts('/foo/bar')), path.resolve('/foo/bar/symlinked/baz.js') ); }); test('readPackageSync', function (t) { t.plan(3); var files = {}; files[path.resolve('/foo/node_modules/bar/something-else.js')] = 'beep'; files[path.resolve('/foo/node_modules/bar/package.json')] = JSON.stringify({ main: './baz.js' }); files[path.resolve('/foo/node_modules/bar/baz.js')] = 'boop'; var dirs = {}; dirs[path.resolve('/foo')] = true; dirs[path.resolve('/foo/node_modules')] = true; function opts(basedir, useReadPackage) { return { basedir: path.resolve(basedir), isFile: function (file) { return Object.prototype.hasOwnProperty.call(files, path.resolve(file)); }, isDirectory: function (dir) { return !!dirs[path.resolve(dir)]; }, readFileSync: useReadPackage ? null : function (file) { return files[path.resolve(file)]; }, realpathSync: function (file) { return file; } }; } t.test('with readFile', function (st) { st.plan(1); st.equal( resolve.sync('bar', opts('/foo')), path.resolve('/foo/node_modules/bar/baz.js') ); }); var readPackageSync = function (readFileSync, file) { if (file.indexOf(path.join('bar', 'package.json')) >= 0) { return { main: './something-else.js' }; } return JSON.parse(files[path.resolve(file)]); }; t.test('with readPackage', function (st) { st.plan(1); var options = opts('/foo'); delete options.readFileSync; options.readPackageSync = readPackageSync; st.equal( resolve.sync('bar', options), path.resolve('/foo/node_modules/bar/something-else.js') ); }); t.test('with readFile and readPackage', function (st) { st.plan(1); var options = opts('/foo'); options.readPackageSync = readPackageSync; st.throws( function () { resolve.sync('bar', options); }, TypeError, 'errors when both readFile and readPackage are provided' ); }); });