var path = require('path'); var test = require('tape'); var resolve = require('../'); var async = require('../async'); test('`./async` entry point', function (t) { t.equal(resolve, async, '`./async` entry point is the same as `main`'); t.end(); }); test('async foo', function (t) { t.plan(12); var dir = path.join(__dirname, 'resolver'); resolve('./foo', { basedir: dir }, function (err, res, pkg) { if (err) t.fail(err); t.equal(res, path.join(dir, 'foo.js')); t.equal(pkg && pkg.name, 'resolve'); }); resolve('./foo.js', { basedir: dir }, function (err, res, pkg) { if (err) t.fail(err); t.equal(res, path.join(dir, 'foo.js')); t.equal(pkg && pkg.name, 'resolve'); }); resolve('./foo', { basedir: dir, 'package': { main: 'resolver' } }, function (err, res, pkg) { if (err) t.fail(err); t.equal(res, path.join(dir, 'foo.js')); t.equal(pkg && pkg.main, 'resolver'); }); resolve('./foo.js', { basedir: dir, 'package': { main: 'resolver' } }, function (err, res, pkg) { if (err) t.fail(err); t.equal(res, path.join(dir, 'foo.js')); t.equal(pkg.main, 'resolver'); }); resolve('./foo', { basedir: dir, filename: path.join(dir, 'baz.js') }, function (err, res) { if (err) t.fail(err); t.equal(res, path.join(dir, 'foo.js')); }); resolve('foo', { basedir: dir }, function (err) { t.equal(err.message, "Cannot find module 'foo' from '" + path.resolve(dir) + "'"); t.equal(err.code, 'MODULE_NOT_FOUND'); }); // Test that filename is reported as the "from" value when passed. resolve('foo', { basedir: dir, filename: path.join(dir, 'baz.js') }, function (err) { t.equal(err.message, "Cannot find module 'foo' from '" + path.join(dir, 'baz.js') + "'"); }); }); test('bar', function (t) { t.plan(6); var dir = path.join(__dirname, 'resolver'); resolve('foo', { basedir: dir + '/bar' }, function (err, res, pkg) { if (err) t.fail(err); t.equal(res, path.join(dir, 'bar/node_modules/foo/index.js')); t.equal(pkg, undefined); }); resolve('foo', { basedir: dir + '/bar' }, function (err, res, pkg) { if (err) t.fail(err); t.equal(res, path.join(dir, 'bar/node_modules/foo/index.js')); t.equal(pkg, undefined); }); resolve('foo', { basedir: dir + '/bar', 'package': { main: 'bar' } }, function (err, res, pkg) { if (err) t.fail(err); t.equal(res, path.join(dir, 'bar/node_modules/foo/index.js')); t.equal(pkg.main, 'bar'); }); }); test('baz', function (t) { t.plan(4); var dir = path.join(__dirname, 'resolver'); resolve('./baz', { basedir: dir }, function (err, res, pkg) { if (err) t.fail(err); t.equal(res, path.join(dir, 'baz/quux.js')); t.equal(pkg.main, 'quux.js'); }); resolve('./baz', { basedir: dir, 'package': { main: 'resolver' } }, function (err, res, pkg) { if (err) t.fail(err); t.equal(res, path.join(dir, 'baz/quux.js')); t.equal(pkg.main, 'quux.js'); }); }); test('biz', function (t) { t.plan(24); var dir = path.join(__dirname, 'resolver/biz/node_modules'); resolve('./grux', { basedir: dir }, function (err, res, pkg) { if (err) t.fail(err); t.equal(res, path.join(dir, 'grux/index.js')); t.equal(pkg, undefined); }); resolve('./grux', { basedir: dir, 'package': { main: 'biz' } }, function (err, res, pkg) { if (err) t.fail(err); t.equal(res, path.join(dir, 'grux/index.js')); t.equal(pkg.main, 'biz'); }); resolve('./garply', { basedir: dir }, function (err, res, pkg) { if (err) t.fail(err); t.equal(res, path.join(dir, 'garply/lib/index.js')); t.equal(pkg.main, './lib'); }); resolve('./garply', { basedir: dir, 'package': { main: 'biz' } }, function (err, res, pkg) { if (err) t.fail(err); t.equal(res, path.join(dir, 'garply/lib/index.js')); t.equal(pkg.main, './lib'); }); resolve('tiv', { basedir: dir + '/grux' }, function (err, res, pkg) { if (err) t.fail(err); t.equal(res, path.join(dir, 'tiv/index.js')); t.equal(pkg, undefined); }); resolve('tiv', { basedir: dir + '/grux', 'package': { main: 'grux' } }, function (err, res, pkg) { if (err) t.fail(err); t.equal(res, path.join(dir, 'tiv/index.js')); t.equal(pkg.main, 'grux'); }); resolve('tiv', { basedir: dir + '/garply' }, function (err, res, pkg) { if (err) t.fail(err); t.equal(res, path.join(dir, 'tiv/index.js')); t.equal(pkg, undefined); }); resolve('tiv', { basedir: dir + '/garply', 'package': { main: './lib' } }, function (err, res, pkg) { if (err) t.fail(err); t.equal(res, path.join(dir, 'tiv/index.js')); t.equal(pkg.main, './lib'); }); resolve('grux', { basedir: dir + '/tiv' }, function (err, res, pkg) { if (err) t.fail(err); t.equal(res, path.join(dir, 'grux/index.js')); t.equal(pkg, undefined); }); resolve('grux', { basedir: dir + '/tiv', 'package': { main: 'tiv' } }, function (err, res, pkg) { if (err) t.fail(err); t.equal(res, path.join(dir, 'grux/index.js')); t.equal(pkg.main, 'tiv'); }); resolve('garply', { basedir: dir + '/tiv' }, function (err, res, pkg) { if (err) t.fail(err); t.equal(res, path.join(dir, 'garply/lib/index.js')); t.equal(pkg.main, './lib'); }); resolve('garply', { basedir: dir + '/tiv', 'package': { main: 'tiv' } }, function (err, res, pkg) { if (err) t.fail(err); t.equal(res, path.join(dir, 'garply/lib/index.js')); t.equal(pkg.main, './lib'); }); }); test('quux', function (t) { t.plan(2); var dir = path.join(__dirname, 'resolver/quux'); resolve('./foo', { basedir: dir, 'package': { main: 'quux' } }, function (err, res, pkg) { if (err) t.fail(err); t.equal(res, path.join(dir, 'foo/index.js')); t.equal(pkg.main, 'quux'); }); }); test('normalize', function (t) { t.plan(2); var dir = path.join(__dirname, 'resolver/biz/node_modules/grux'); resolve('../grux', { basedir: dir }, function (err, res, pkg) { if (err) t.fail(err); t.equal(res, path.join(dir, 'index.js')); t.equal(pkg, undefined); }); }); test('cup', function (t) { t.plan(5); var dir = path.join(__dirname, 'resolver'); resolve('./cup', { basedir: dir, extensions: ['.js', '.coffee'] }, function (err, res) { if (err) t.fail(err); t.equal(res, path.join(dir, 'cup.coffee')); }); resolve('./cup.coffee', { basedir: dir }, function (err, res) { if (err) t.fail(err); t.equal(res, path.join(dir, 'cup.coffee')); }); resolve('./cup', { basedir: dir, extensions: ['.js'] }, function (err, res) { t.equal(err.message, "Cannot find module './cup' from '" + path.resolve(dir) + "'"); t.equal(err.code, 'MODULE_NOT_FOUND'); }); // Test that filename is reported as the "from" value when passed. resolve('./cup', { basedir: dir, extensions: ['.js'], filename: path.join(dir, 'cupboard.js') }, function (err, res) { t.equal(err.message, "Cannot find module './cup' from '" + path.join(dir, 'cupboard.js') + "'"); }); }); test('mug', function (t) { t.plan(3); var dir = path.join(__dirname, 'resolver'); resolve('./mug', { basedir: dir }, function (err, res) { if (err) t.fail(err); t.equal(res, path.join(dir, 'mug.js')); }); resolve('./mug', { basedir: dir, extensions: ['.coffee', '.js'] }, function (err, res) { if (err) t.fail(err); t.equal(res, path.join(dir, '/mug.coffee')); }); resolve('./mug', { basedir: dir, extensions: ['.js', '.coffee'] }, function (err, res) { t.equal(res, path.join(dir, '/mug.js')); }); }); test('other path', function (t) { t.plan(6); var resolverDir = path.join(__dirname, 'resolver'); var dir = path.join(resolverDir, 'bar'); var otherDir = path.join(resolverDir, 'other_path'); resolve('root', { basedir: dir, paths: [otherDir] }, function (err, res) { if (err) t.fail(err); t.equal(res, path.join(resolverDir, 'other_path/root.js')); }); resolve('lib/other-lib', { basedir: dir, paths: [otherDir] }, function (err, res) { if (err) t.fail(err); t.equal(res, path.join(resolverDir, 'other_path/lib/other-lib.js')); }); resolve('root', { basedir: dir }, function (err, res) { t.equal(err.message, "Cannot find module 'root' from '" + path.resolve(dir) + "'"); t.equal(err.code, 'MODULE_NOT_FOUND'); }); resolve('zzz', { basedir: dir, paths: [otherDir] }, function (err, res) { t.equal(err.message, "Cannot find module 'zzz' from '" + path.resolve(dir) + "'"); t.equal(err.code, 'MODULE_NOT_FOUND'); }); }); test('path iterator', function (t) { t.plan(2); var resolverDir = path.join(__dirname, 'resolver'); var exactIterator = function (x, start, getPackageCandidates, opts) { return [path.join(resolverDir, x)]; }; resolve('baz', { packageIterator: exactIterator }, function (err, res, pkg) { if (err) t.fail(err); t.equal(res, path.join(resolverDir, 'baz/quux.js')); t.equal(pkg && pkg.name, 'baz'); }); }); test('incorrect main', function (t) { t.plan(1); var resolverDir = path.join(__dirname, 'resolver'); var dir = path.join(resolverDir, 'incorrect_main'); resolve('./incorrect_main', { basedir: resolverDir }, function (err, res, pkg) { if (err) t.fail(err); t.equal(res, path.join(dir, 'index.js')); }); }); test('without basedir', function (t) { t.plan(1); var dir = path.join(__dirname, 'resolver/without_basedir'); var tester = require(path.join(dir, 'main.js')); // eslint-disable-line global-require tester(t, function (err, res, pkg) { if (err) { t.fail(err); } else { t.equal(res, path.join(dir, 'node_modules/mymodule.js')); } }); }); test('#52 - incorrectly resolves module-paths like "./someFolder/" when there is a file of the same name', function (t) { t.plan(2); var dir = path.join(__dirname, 'resolver'); resolve('./foo', { basedir: path.join(dir, 'same_names') }, function (err, res, pkg) { if (err) t.fail(err); t.equal(res, path.join(dir, 'same_names/foo.js')); }); resolve('./foo/', { basedir: path.join(dir, 'same_names') }, function (err, res, pkg) { if (err) t.fail(err); t.equal(res, path.join(dir, 'same_names/foo/index.js')); }); }); test('#211 - incorrectly resolves module-paths like "." when from inside a folder with a sibling file of the same name', function (t) { t.plan(2); var dir = path.join(__dirname, 'resolver'); resolve('./', { basedir: path.join(dir, 'same_names/foo') }, function (err, res, pkg) { if (err) t.fail(err); t.equal(res, path.join(dir, 'same_names/foo/index.js')); }); resolve('.', { basedir: path.join(dir, 'same_names/foo') }, function (err, res, pkg) { if (err) t.fail(err); t.equal(res, path.join(dir, 'same_names/foo/index.js')); }); }); test('async: #121 - treating an existing file as a dir when no basedir', function (t) { var testFile = path.basename(__filename); t.test('sanity check', function (st) { st.plan(1); resolve('./' + testFile, function (err, res, pkg) { if (err) t.fail(err); st.equal(res, __filename, 'sanity check'); }); }); t.test('with a fake directory', function (st) { st.plan(4); resolve('./' + testFile + '/blah', function (err, res, pkg) { st.ok(err, 'there is an error'); st.notOk(res, 'no result'); st.equal(err && err.code, 'MODULE_NOT_FOUND', 'error code matches require.resolve'); st.equal( err && err.message, 'Cannot find module \'./' + testFile + '/blah\' from \'' + __dirname + '\'', 'can not find nonexistent module' ); st.end(); }); }); t.end(); }); test('async dot main', function (t) { var start = new Date(); t.plan(3); resolve('./resolver/dot_main', function (err, ret) { t.notOk(err); t.equal(ret, path.join(__dirname, 'resolver/dot_main/index.js')); t.ok(new Date() - start < 50, 'resolve.sync timedout'); t.end(); }); }); test('async dot slash main', function (t) { var start = new Date(); t.plan(3); resolve('./resolver/dot_slash_main', function (err, ret) { t.notOk(err); t.equal(ret, path.join(__dirname, 'resolver/dot_slash_main/index.js')); t.ok(new Date() - start < 50, 'resolve.sync timedout'); t.end(); }); }); test('not a directory', function (t) { t.plan(6); var path = './foo'; resolve(path, { basedir: __filename }, function (err, res, pkg) { t.ok(err, 'a non-directory errors'); t.equal(arguments.length, 1); t.equal(res, undefined); t.equal(pkg, undefined); t.equal(err && err.message, 'Cannot find module \'' + path + '\' from \'' + __filename + '\''); t.equal(err && err.code, 'MODULE_NOT_FOUND'); }); }); test('non-string "main" field in package.json', function (t) { t.plan(5); var dir = path.join(__dirname, 'resolver'); resolve('./invalid_main', { basedir: dir }, function (err, res, pkg) { t.ok(err, 'errors on non-string main'); t.equal(err.message, 'package “invalid_main” `main` must be a string'); t.equal(err.code, 'INVALID_PACKAGE_MAIN'); t.equal(res, undefined, 'res is undefined'); t.equal(pkg, undefined, 'pkg is undefined'); }); }); test('non-string "main" field in package.json', function (t) { t.plan(5); var dir = path.join(__dirname, 'resolver'); resolve('./invalid_main', { basedir: dir }, function (err, res, pkg) { t.ok(err, 'errors on non-string main'); t.equal(err.message, 'package “invalid_main” `main` must be a string'); t.equal(err.code, 'INVALID_PACKAGE_MAIN'); t.equal(res, undefined, 'res is undefined'); t.equal(pkg, undefined, 'pkg is undefined'); }); }); test('browser field in package.json', function (t) { t.plan(3); var dir = path.join(__dirname, 'resolver'); resolve( './browser_field', { basedir: dir, packageFilter: function packageFilter(pkg) { if (pkg.browser) { pkg.main = pkg.browser; // eslint-disable-line no-param-reassign delete pkg.browser; // eslint-disable-line no-param-reassign } return pkg; } }, function (err, res, pkg) { if (err) t.fail(err); t.equal(res, path.join(dir, 'browser_field', 'b.js')); t.equal(pkg && pkg.main, 'b'); t.equal(pkg && pkg.browser, undefined); } ); }); test('absolute paths', function (t) { t.plan(4); var extensionless = __filename.slice(0, -path.extname(__filename).length); resolve(__filename, function (err, res) { t.equal( res, __filename, 'absolute path to this file resolves' ); }); resolve(extensionless, function (err, res) { t.equal( res, __filename, 'extensionless absolute path to this file resolves' ); }); resolve(__filename, { basedir: process.cwd() }, function (err, res) { t.equal( res, __filename, 'absolute path to this file with a basedir resolves' ); }); resolve(extensionless, { basedir: process.cwd() }, function (err, res) { t.equal( res, __filename, 'extensionless absolute path to this file with a basedir resolves' ); }); }); test('malformed package.json', function (t) { /* eslint operator-linebreak: ["error", "before"], function-paren-newline: "off" */ t.plan( (3 * 3) // 3 sets of 3 assertions in the final callback + 2 // 1 readPackage call with malformed package.json ); var basedir = path.join(__dirname, 'resolver/malformed_package_json'); var expected = path.join(basedir, 'index.js'); resolve('./index.js', { basedir: basedir }, function (err, res, pkg) { t.error(err, 'no error'); t.equal(res, expected, 'malformed package.json is silently ignored'); t.equal(pkg, undefined, 'malformed package.json gives an undefined `pkg` argument'); }); resolve( './index.js', { basedir: basedir, packageFilter: function (pkg, pkgfile, dir) { t.fail('should not reach here'); } }, function (err, res, pkg) { t.error(err, 'with packageFilter: no error'); t.equal(res, expected, 'with packageFilter: malformed package.json is silently ignored'); t.equal(pkg, undefined, 'with packageFilter: malformed package.json gives an undefined `pkg` argument'); } ); resolve( './index.js', { basedir: basedir, readPackage: function (readFile, pkgfile, cb) { t.equal(pkgfile, path.join(basedir, 'package.json'), 'readPackageSync: `pkgfile` is package.json path'); readFile(pkgfile, function (err, result) { try { cb(null, JSON.parse(result)); } catch (e) { t.ok(e instanceof SyntaxError, 'readPackage: malformed package.json parses as a syntax error'); cb(null); } }); } }, function (err, res, pkg) { t.error(err, 'with readPackage: no error'); t.equal(res, expected, 'with readPackage: malformed package.json is silently ignored'); t.equal(pkg, undefined, 'with readPackage: malformed package.json gives an undefined `pkg` argument'); } ); });