diff options
Diffstat (limited to 'node_modules/resolve/test/symlinks.js')
| -rw-r--r-- | node_modules/resolve/test/symlinks.js | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/node_modules/resolve/test/symlinks.js b/node_modules/resolve/test/symlinks.js new file mode 100644 index 000000000..152d14ef2 --- /dev/null +++ b/node_modules/resolve/test/symlinks.js @@ -0,0 +1,173 @@ +var path = require('path'); +var fs = require('fs'); +var test = require('tape'); +var map = require('array.prototype.map'); +var resolve = require('../'); + +var symlinkDir = path.join(__dirname, 'resolver', 'symlinked', 'symlink'); +var packageDir = path.join(__dirname, 'resolver', 'symlinked', '_', 'node_modules', 'package'); +var modADir = path.join(__dirname, 'symlinks', 'source', 'node_modules', 'mod-a'); +var symlinkModADir = path.join(__dirname, 'symlinks', 'dest', 'node_modules', 'mod-a'); +try { + fs.unlinkSync(symlinkDir); +} catch (err) {} +try { + fs.unlinkSync(packageDir); +} catch (err) {} +try { + fs.unlinkSync(modADir); +} catch (err) {} +try { + fs.unlinkSync(symlinkModADir); +} 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'); +} +try { + fs.symlinkSync('../../package', packageDir, 'dir'); +} catch (err) { + // if fails then it is probably on Windows and lets try to create a junction + fs.symlinkSync(path.join(__dirname, '..', '..', 'package') + '\\', packageDir, 'junction'); +} +try { + fs.symlinkSync('../../source/node_modules/mod-a', symlinkModADir, 'dir'); +} catch (err) { + // if fails then it is probably on Windows and lets try to create a junction + fs.symlinkSync(path.join(__dirname, '..', '..', 'source', 'node_modules', 'mod-a') + '\\', symlinkModADir, 'junction'); +} + +test('symlink', function (t) { + t.plan(2); + + resolve('foo', { basedir: symlinkDir, preserveSymlinks: false }, function (err, res, pkg) { + t.error(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.doesNotThrow(function () { + 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(); +}); + +test('sync symlink from node_modules to other dir when preserveSymlinks = false', function (t) { + var basedir = path.join(__dirname, 'resolver', 'symlinked', '_'); + var fn = resolve.sync('package', { basedir: basedir, preserveSymlinks: false }); + + t.equal(fn, path.resolve(__dirname, 'resolver/symlinked/package/bar.js')); + t.end(); +}); + +test('async symlink from node_modules to other dir when preserveSymlinks = false', function (t) { + t.plan(2); + var basedir = path.join(__dirname, 'resolver', 'symlinked', '_'); + resolve('package', { basedir: basedir, preserveSymlinks: false }, function (err, result) { + t.notOk(err, 'no error'); + t.equal(result, path.resolve(__dirname, 'resolver/symlinked/package/bar.js')); + }); +}); + +test('packageFilter', function (t) { + function relative(x) { + return path.relative(__dirname, x); + } + + function testPackageFilter(preserveSymlinks) { + return function (st) { + st.plan('is 1.x' ? 3 : 5); // eslint-disable-line no-constant-condition + + var destMain = 'symlinks/dest/node_modules/mod-a/index.js'; + var destPkg = 'symlinks/dest/node_modules/mod-a/package.json'; + var sourceMain = 'symlinks/source/node_modules/mod-a/index.js'; + var sourcePkg = 'symlinks/source/node_modules/mod-a/package.json'; + var destDir = path.join(__dirname, 'symlinks', 'dest'); + + /* eslint multiline-comment-style: 0 */ + /* v2.x will restore these tests + var packageFilterPath = []; + var actualPath = resolve.sync('mod-a', { + basedir: destDir, + preserveSymlinks: preserveSymlinks, + packageFilter: function (pkg, pkgfile, dir) { + packageFilterPath.push(pkgfile); + } + }); + st.equal( + relative(actualPath), + path.normalize(preserveSymlinks ? destMain : sourceMain), + 'sync: actual path is correct' + ); + st.deepEqual( + map(packageFilterPath, relative), + map(preserveSymlinks ? [destPkg, destPkg] : [sourcePkg, sourcePkg], path.normalize), + 'sync: packageFilter pkgfile arg is correct' + ); + */ + + var asyncPackageFilterPath = []; + resolve( + 'mod-a', + { + basedir: destDir, + preserveSymlinks: preserveSymlinks, + packageFilter: function (pkg, pkgfile) { + asyncPackageFilterPath.push(pkgfile); + } + }, + function (err, actualPath) { + st.error(err, 'no error'); + st.equal( + relative(actualPath), + path.normalize(preserveSymlinks ? destMain : sourceMain), + 'async: actual path is correct' + ); + st.deepEqual( + map(asyncPackageFilterPath, relative), + map( + preserveSymlinks ? [destPkg, destPkg, destPkg] : [sourcePkg, sourcePkg, sourcePkg], + path.normalize + ), + 'async: packageFilter pkgfile arg is correct' + ); + } + ); + }; + } + + t.test('preserveSymlinks: false', testPackageFilter(false)); + + t.test('preserveSymlinks: true', testPackageFilter(true)); + + t.end(); +}); |