wishthis/node_modules/resolve/test/resolver.js
2022-07-11 13:25:19 +02:00

595 lines
20 KiB
JavaScript

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('missing index', function (t) {
t.plan(2);
var resolverDir = path.join(__dirname, 'resolver');
resolve('./missing_index', { basedir: resolverDir }, function (err, res, pkg) {
t.ok(err instanceof Error);
t.equal(err && err.code, 'MODULE_NOT_FOUND', 'error has correct error code');
});
});
test('missing main', function (t) {
t.plan(1);
var resolverDir = path.join(__dirname, 'resolver');
resolve('./missing_main', { basedir: resolverDir }, function (err, res, pkg) {
t.equal(err && err.code, 'MODULE_NOT_FOUND', 'error has correct error code');
});
});
test('null main', function (t) {
t.plan(1);
var resolverDir = path.join(__dirname, 'resolver');
resolve('./null_main', { basedir: resolverDir }, function (err, res, pkg) {
t.equal(err && err.code, 'MODULE_NOT_FOUND', 'error has correct error code');
});
});
test('main: false', function (t) {
t.plan(2);
var basedir = path.join(__dirname, 'resolver');
var dir = path.join(basedir, 'false_main');
resolve('./false_main', { basedir: basedir }, function (err, res, pkg) {
if (err) t.fail(err);
t.equal(
res,
path.join(dir, 'index.js'),
'`"main": false`: resolves to `index.js`'
);
t.deepEqual(pkg, {
name: 'false_main',
main: false
});
});
});
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');
}
);
});