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Direktori : /home/silvzytp/dsr_code/node_modules/resolve/test/ |
Current File : //home/silvzytp/dsr_code/node_modules/resolve/test/resolver_sync.js |
var path = require('path'); var fs = require('fs'); var test = require('tape'); var resolve = require('../'); var sync = require('../sync'); var requireResolveSupportsPaths = require.resolve.length > 1 && !(/^v12\.[012]\./).test(process.version); // broken in v12.0-12.2, see https://github.com/nodejs/node/issues/27794 test('`./sync` entry point', function (t) { t.equal(resolve.sync, sync, '`./sync` entry point is the same as `.sync` on `main`'); t.end(); }); test('foo', function (t) { var dir = path.join(__dirname, 'resolver'); t.equal( resolve.sync('./foo', { basedir: dir }), path.join(dir, 'foo.js'), './foo' ); if (requireResolveSupportsPaths) { t.equal( resolve.sync('./foo', { basedir: dir }), require.resolve('./foo', { paths: [dir] }), './foo: resolve.sync === require.resolve' ); } t.equal( resolve.sync('./foo.js', { basedir: dir }), path.join(dir, 'foo.js'), './foo.js' ); if (requireResolveSupportsPaths) { t.equal( resolve.sync('./foo.js', { basedir: dir }), require.resolve('./foo.js', { paths: [dir] }), './foo.js: resolve.sync === require.resolve' ); } t.equal( resolve.sync('./foo.js', { basedir: dir, filename: path.join(dir, 'bar.js') }), path.join(dir, 'foo.js') ); t.throws(function () { resolve.sync('foo', { basedir: dir }); }); // Test that filename is reported as the "from" value when passed. t.throws( function () { resolve.sync('foo', { basedir: dir, filename: path.join(dir, 'bar.js') }); }, { name: 'Error', message: "Cannot find module 'foo' from '" + path.join(dir, 'bar.js') + "'" } ); t.end(); }); test('bar', function (t) { var dir = path.join(__dirname, 'resolver'); var basedir = path.join(dir, 'bar'); t.equal( resolve.sync('foo', { basedir: basedir }), path.join(dir, 'bar/node_modules/foo/index.js'), 'foo in bar' ); if (requireResolveSupportsPaths) { t.equal( resolve.sync('foo', { basedir: basedir }), require.resolve('foo', { paths: [basedir] }), 'foo in bar: resolve.sync === require.resolve' ); } t.end(); }); test('baz', function (t) { var dir = path.join(__dirname, 'resolver'); t.equal( resolve.sync('./baz', { basedir: dir }), path.join(dir, 'baz/quux.js'), './baz' ); if (requireResolveSupportsPaths) { t.equal( resolve.sync('./baz', { basedir: dir }), require.resolve('./baz', { paths: [dir] }), './baz: resolve.sync === require.resolve' ); } t.end(); }); test('biz', function (t) { var dir = path.join(__dirname, 'resolver/biz/node_modules'); t.equal( resolve.sync('./grux', { basedir: dir }), path.join(dir, 'grux/index.js') ); if (requireResolveSupportsPaths) { t.equal( resolve.sync('./grux', { basedir: dir }), require.resolve('./grux', { paths: [dir] }), './grux: resolve.sync === require.resolve' ); } var tivDir = path.join(dir, 'grux'); t.equal( resolve.sync('tiv', { basedir: tivDir }), path.join(dir, 'tiv/index.js') ); if (requireResolveSupportsPaths) { t.equal( resolve.sync('tiv', { basedir: tivDir }), require.resolve('tiv', { paths: [tivDir] }), 'tiv: resolve.sync === require.resolve' ); } var gruxDir = path.join(dir, 'tiv'); t.equal( resolve.sync('grux', { basedir: gruxDir }), path.join(dir, 'grux/index.js') ); if (requireResolveSupportsPaths) { t.equal( resolve.sync('grux', { basedir: gruxDir }), require.resolve('grux', { paths: [gruxDir] }), 'grux: resolve.sync === require.resolve' ); } t.end(); }); test('normalize', function (t) { var dir = path.join(__dirname, 'resolver/biz/node_modules/grux'); t.equal( resolve.sync('../grux', { basedir: dir }), path.join(dir, 'index.js') ); if (requireResolveSupportsPaths) { t.equal( resolve.sync('../grux', { basedir: dir }), require.resolve('../grux', { paths: [dir] }), '../grux: resolve.sync === require.resolve' ); } t.end(); }); test('cup', function (t) { var dir = path.join(__dirname, 'resolver'); t.equal( resolve.sync('./cup', { basedir: dir, extensions: ['.js', '.coffee'] }), path.join(dir, 'cup.coffee'), './cup -> ./cup.coffee' ); t.equal( resolve.sync('./cup.coffee', { basedir: dir }), path.join(dir, 'cup.coffee'), './cup.coffee' ); t.throws(function () { resolve.sync('./cup', { basedir: dir, extensions: ['.js'] }); }); if (requireResolveSupportsPaths) { t.equal( resolve.sync('./cup.coffee', { basedir: dir, extensions: ['.js', '.coffee'] }), require.resolve('./cup.coffee', { paths: [dir] }), './cup.coffee: resolve.sync === require.resolve' ); } t.end(); }); test('mug', function (t) { var dir = path.join(__dirname, 'resolver'); t.equal( resolve.sync('./mug', { basedir: dir }), path.join(dir, 'mug.js'), './mug -> ./mug.js' ); if (requireResolveSupportsPaths) { t.equal( resolve.sync('./mug', { basedir: dir }), require.resolve('./mug', { paths: [dir] }), './mug: resolve.sync === require.resolve' ); } t.equal( resolve.sync('./mug', { basedir: dir, extensions: ['.coffee', '.js'] }), path.join(dir, 'mug.coffee'), './mug -> ./mug.coffee' ); t.equal( resolve.sync('./mug', { basedir: dir, extensions: ['.js', '.coffee'] }), path.join(dir, 'mug.js'), './mug -> ./mug.js' ); t.end(); }); test('other path', function (t) { var resolverDir = path.join(__dirname, 'resolver'); var dir = path.join(resolverDir, 'bar'); var otherDir = path.join(resolverDir, 'other_path'); t.equal( resolve.sync('root', { basedir: dir, paths: [otherDir] }), path.join(resolverDir, 'other_path/root.js') ); t.equal( resolve.sync('lib/other-lib', { basedir: dir, paths: [otherDir] }), path.join(resolverDir, 'other_path/lib/other-lib.js') ); t.throws(function () { resolve.sync('root', { basedir: dir }); }); t.throws(function () { resolve.sync('zzz', { basedir: dir, paths: [otherDir] }); }); t.end(); }); test('path iterator', function (t) { var resolverDir = path.join(__dirname, 'resolver'); var exactIterator = function (x, start, getPackageCandidates, opts) { return [path.join(resolverDir, x)]; }; t.equal( resolve.sync('baz', { packageIterator: exactIterator }), path.join(resolverDir, 'baz/quux.js') ); t.end(); }); test('incorrect main', function (t) { var resolverDir = path.join(__dirname, 'resolver'); var dir = path.join(resolverDir, 'incorrect_main'); t.equal( resolve.sync('./incorrect_main', { basedir: resolverDir }), path.join(dir, 'index.js') ); if (requireResolveSupportsPaths) { t.equal( resolve.sync('./incorrect_main', { basedir: resolverDir }), require.resolve('./incorrect_main', { paths: [resolverDir] }), './incorrect_main: resolve.sync === require.resolve' ); } t.end(); }); test('missing index', function (t) { t.plan(requireResolveSupportsPaths ? 2 : 1); var resolverDir = path.join(__dirname, 'resolver'); try { resolve.sync('./missing_index', { basedir: resolverDir }); t.fail('did not fail'); } catch (err) { t.equal(err && err.code, 'MODULE_NOT_FOUND', 'error has correct error code'); } if (requireResolveSupportsPaths) { try { require.resolve('./missing_index', { basedir: resolverDir }); t.fail('require.resolve did not fail'); } catch (err) { t.equal(err && err.code, 'MODULE_NOT_FOUND', 'error has correct error code'); } } }); test('missing main', function (t) { var resolverDir = path.join(__dirname, 'resolver'); try { resolve.sync('./missing_main', { basedir: resolverDir }); t.fail('require.resolve did not fail'); } catch (err) { t.equal(err && err.code, 'MODULE_NOT_FOUND', 'error has correct error code'); } if (requireResolveSupportsPaths) { try { resolve.sync('./missing_main', { basedir: resolverDir }); t.fail('require.resolve did not fail'); } catch (err) { t.equal(err && err.code, 'MODULE_NOT_FOUND', 'error has correct error code'); } } t.end(); }); test('null main', function (t) { var resolverDir = path.join(__dirname, 'resolver'); try { resolve.sync('./null_main', { basedir: resolverDir }); t.fail('require.resolve did not fail'); } catch (err) { t.equal(err && err.code, 'MODULE_NOT_FOUND', 'error has correct error code'); } if (requireResolveSupportsPaths) { try { resolve.sync('./null_main', { basedir: resolverDir }); t.fail('require.resolve did not fail'); } catch (err) { t.equal(err && err.code, 'MODULE_NOT_FOUND', 'error has correct error code'); } } t.end(); }); test('main: false', function (t) { var basedir = path.join(__dirname, 'resolver'); var dir = path.join(basedir, 'false_main'); t.equal( resolve.sync('./false_main', { basedir: basedir }), path.join(dir, 'index.js'), '`"main": false`: resolves to `index.js`' ); if (requireResolveSupportsPaths) { t.equal( resolve.sync('./false_main', { basedir: basedir }), require.resolve('./false_main', { paths: [basedir] }), '`"main": false`: resolve.sync === require.resolve' ); } t.end(); }); var stubStatSync = function stubStatSync(fn) { var statSync = fs.statSync; try { fs.statSync = function () { throw new EvalError('Unknown Error'); }; return fn(); } finally { fs.statSync = statSync; } }; test('#79 - re-throw non ENOENT errors from stat', function (t) { var dir = path.join(__dirname, 'resolver'); stubStatSync(function () { t.throws(function () { resolve.sync('foo', { basedir: dir }); }, /Unknown Error/); }); t.end(); }); test('#52 - incorrectly resolves module-paths like "./someFolder/" when there is a file of the same name', function (t) { var dir = path.join(__dirname, 'resolver'); var basedir = path.join(dir, 'same_names'); t.equal( resolve.sync('./foo', { basedir: basedir }), path.join(dir, 'same_names/foo.js') ); if (requireResolveSupportsPaths) { t.equal( resolve.sync('./foo', { basedir: basedir }), require.resolve('./foo', { paths: [basedir] }), './foo: resolve.sync === require.resolve' ); } t.equal( resolve.sync('./foo/', { basedir: basedir }), path.join(dir, 'same_names/foo/index.js') ); if (requireResolveSupportsPaths) { t.equal( resolve.sync('./foo/', { basedir: basedir }), require.resolve('./foo/', { paths: [basedir] }), './foo/: resolve.sync === require.resolve' ); } t.end(); }); test('#211 - incorrectly resolves module-paths like "." when from inside a folder with a sibling file of the same name', function (t) { var dir = path.join(__dirname, 'resolver'); var basedir = path.join(dir, 'same_names/foo'); t.equal( resolve.sync('./', { basedir: basedir }), path.join(dir, 'same_names/foo/index.js'), './' ); if (requireResolveSupportsPaths) { t.equal( resolve.sync('./', { basedir: basedir }), require.resolve('./', { paths: [basedir] }), './: resolve.sync === require.resolve' ); } t.equal( resolve.sync('.', { basedir: basedir }), path.join(dir, 'same_names/foo/index.js'), '.' ); if (requireResolveSupportsPaths) { t.equal( resolve.sync('.', { basedir: basedir }), require.resolve('.', { paths: [basedir] }), '.: resolve.sync === require.resolve', { todo: true } ); } t.end(); }); test('sync: #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.equal( resolve.sync('./' + testFile), __filename, 'sanity check' ); st.equal( resolve.sync('./' + testFile), require.resolve('./' + testFile), 'sanity check: resolve.sync === require.resolve' ); st.end(); }); t.test('with a fake directory', function (st) { function run() { return resolve.sync('./' + testFile + '/blah'); } st.throws(run, 'throws an error'); try { run(); } catch (e) { st.equal(e.code, 'MODULE_NOT_FOUND', 'error code matches require.resolve'); st.equal( e.message, 'Cannot find module \'./' + testFile + '/blah\' from \'' + __dirname + '\'', 'can not find nonexistent module' ); } st.end(); }); t.end(); }); test('sync dot main', function (t) { var start = new Date(); t.equal( resolve.sync('./resolver/dot_main'), path.join(__dirname, 'resolver/dot_main/index.js'), './resolver/dot_main' ); t.equal( resolve.sync('./resolver/dot_main'), require.resolve('./resolver/dot_main'), './resolver/dot_main: resolve.sync === require.resolve' ); t.ok(new Date() - start < 50, 'resolve.sync timedout'); t.end(); }); test('sync dot slash main', function (t) { var start = new Date(); t.equal( resolve.sync('./resolver/dot_slash_main'), path.join(__dirname, 'resolver/dot_slash_main/index.js') ); t.equal( resolve.sync('./resolver/dot_slash_main'), require.resolve('./resolver/dot_slash_main'), './resolver/dot_slash_main: resolve.sync === require.resolve' ); t.ok(new Date() - start < 50, 'resolve.sync timedout'); t.end(); }); test('not a directory', function (t) { var path = './foo'; try { resolve.sync(path, { basedir: __filename }); t.fail(); } catch (err) { t.ok(err, 'a non-directory errors'); t.equal(err && err.message, 'Cannot find module \'' + path + "' from '" + __filename + "'"); t.equal(err && err.code, 'MODULE_NOT_FOUND'); } t.end(); }); test('non-string "main" field in package.json', function (t) { var dir = path.join(__dirname, 'resolver'); try { var result = resolve.sync('./invalid_main', { basedir: dir }); t.equal(result, undefined, 'result should not exist'); t.fail('should not get here'); } catch (err) { 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.end(); }); test('non-string "main" field in package.json', function (t) { var dir = path.join(__dirname, 'resolver'); try { var result = resolve.sync('./invalid_main', { basedir: dir }); t.equal(result, undefined, 'result should not exist'); t.fail('should not get here'); } catch (err) { 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.end(); }); test('browser field in package.json', function (t) { var dir = path.join(__dirname, 'resolver'); var res = resolve.sync('./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; } }); t.equal(res, path.join(dir, 'browser_field', 'b.js')); t.end(); }); test('absolute paths', function (t) { var extensionless = __filename.slice(0, -path.extname(__filename).length); t.equal( resolve.sync(__filename), __filename, 'absolute path to this file resolves' ); t.equal( resolve.sync(__filename), require.resolve(__filename), 'absolute path to this file: resolve.sync === require.resolve' ); t.equal( resolve.sync(extensionless), __filename, 'extensionless absolute path to this file resolves' ); t.equal( resolve.sync(__filename), require.resolve(__filename), 'absolute path to this file: resolve.sync === require.resolve' ); t.equal( resolve.sync(__filename, { basedir: process.cwd() }), __filename, 'absolute path to this file with a basedir resolves' ); if (requireResolveSupportsPaths) { t.equal( resolve.sync(__filename, { basedir: process.cwd() }), require.resolve(__filename, { paths: [process.cwd()] }), 'absolute path to this file + basedir: resolve.sync === require.resolve' ); } t.equal( resolve.sync(extensionless, { basedir: process.cwd() }), __filename, 'extensionless absolute path to this file with a basedir resolves' ); if (requireResolveSupportsPaths) { t.equal( resolve.sync(extensionless, { basedir: process.cwd() }), require.resolve(extensionless, { paths: [process.cwd()] }), 'extensionless absolute path to this file + basedir: resolve.sync === require.resolve' ); } t.end(); }); test('malformed package.json', function (t) { t.plan(5 + (requireResolveSupportsPaths ? 1 : 0)); var basedir = path.join(__dirname, 'resolver/malformed_package_json'); var expected = path.join(basedir, 'index.js'); t.equal( resolve.sync('./index.js', { basedir: basedir }), expected, 'malformed package.json is silently ignored' ); if (requireResolveSupportsPaths) { t.equal( resolve.sync('./index.js', { basedir: basedir }), require.resolve('./index.js', { paths: [basedir] }), 'malformed package.json: resolve.sync === require.resolve' ); } var res1 = resolve.sync( './index.js', { basedir: basedir, packageFilter: function (pkg, pkgfile, dir) { t.fail('should not reach here'); } } ); t.equal( res1, expected, 'with packageFilter: malformed package.json is silently ignored' ); var res2 = resolve.sync( './index.js', { basedir: basedir, readPackageSync: function (readFileSync, pkgfile) { t.equal(pkgfile, path.join(basedir, 'package.json'), 'readPackageSync: `pkgfile` is package.json path'); var result = String(readFileSync(pkgfile)); try { return JSON.parse(result); } catch (e) { t.ok(e instanceof SyntaxError, 'readPackageSync: malformed package.json parses as a syntax error'); } } } ); t.equal( res2, expected, 'with readPackageSync: malformed package.json is silently ignored' ); });