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Direktori : /lib/node_modules/pm2/node_modules/resolve/test/ |
Current File : //lib/node_modules/pm2/node_modules/resolve/test/node-modules-paths.js |
var test = require('tape'); var path = require('path'); var parse = path.parse || require('path-parse'); var keys = require('object-keys'); var nodeModulesPaths = require('../lib/node-modules-paths'); var verifyDirs = function verifyDirs(t, start, dirs, moduleDirectories, paths) { var moduleDirs = [].concat(moduleDirectories || 'node_modules'); if (paths) { for (var k = 0; k < paths.length; ++k) { moduleDirs.push(path.basename(paths[k])); } } var foundModuleDirs = {}; var uniqueDirs = {}; var parsedDirs = {}; for (var i = 0; i < dirs.length; ++i) { var parsed = parse(dirs[i]); if (!foundModuleDirs[parsed.base]) { foundModuleDirs[parsed.base] = 0; } foundModuleDirs[parsed.base] += 1; parsedDirs[parsed.dir] = true; uniqueDirs[dirs[i]] = true; } t.equal(keys(parsedDirs).length >= start.split(path.sep).length, true, 'there are >= dirs than "start" has'); var foundModuleDirNames = keys(foundModuleDirs); t.deepEqual(foundModuleDirNames, moduleDirs, 'all desired module dirs were found'); t.equal(keys(uniqueDirs).length, dirs.length, 'all dirs provided were unique'); var counts = {}; for (var j = 0; j < foundModuleDirNames.length; ++j) { counts[foundModuleDirs[j]] = true; } t.equal(keys(counts).length, 1, 'all found module directories had the same count'); }; test('node-modules-paths', function (t) { t.test('no options', function (t) { var start = path.join(__dirname, 'resolver'); var dirs = nodeModulesPaths(start); verifyDirs(t, start, dirs); t.end(); }); t.test('empty options', function (t) { var start = path.join(__dirname, 'resolver'); var dirs = nodeModulesPaths(start, {}); verifyDirs(t, start, dirs); t.end(); }); t.test('with paths=array option', function (t) { var start = path.join(__dirname, 'resolver'); var paths = ['a', 'b']; var dirs = nodeModulesPaths(start, { paths: paths }); verifyDirs(t, start, dirs, null, paths); t.end(); }); t.test('with paths=function option', function (t) { var paths = function paths(request, absoluteStart, getNodeModulesDirs, opts) { return getNodeModulesDirs().concat(path.join(absoluteStart, 'not node modules', request)); }; var start = path.join(__dirname, 'resolver'); var dirs = nodeModulesPaths(start, { paths: paths }, 'pkg'); verifyDirs(t, start, dirs, null, [path.join(start, 'not node modules', 'pkg')]); t.end(); }); t.test('with paths=function skipping node modules resolution', function (t) { var paths = function paths(request, absoluteStart, getNodeModulesDirs, opts) { return []; }; var start = path.join(__dirname, 'resolver'); var dirs = nodeModulesPaths(start, { paths: paths }); t.deepEqual(dirs, [], 'no node_modules was computed'); t.end(); }); t.test('with moduleDirectory option', function (t) { var start = path.join(__dirname, 'resolver'); var moduleDirectory = 'not node modules'; var dirs = nodeModulesPaths(start, { moduleDirectory: moduleDirectory }); verifyDirs(t, start, dirs, moduleDirectory); t.end(); }); t.test('with 1 moduleDirectory and paths options', function (t) { var start = path.join(__dirname, 'resolver'); var paths = ['a', 'b']; var moduleDirectory = 'not node modules'; var dirs = nodeModulesPaths(start, { paths: paths, moduleDirectory: moduleDirectory }); verifyDirs(t, start, dirs, moduleDirectory, paths); t.end(); }); t.test('with 1+ moduleDirectory and paths options', function (t) { var start = path.join(__dirname, 'resolver'); var paths = ['a', 'b']; var moduleDirectories = ['not node modules', 'other modules']; var dirs = nodeModulesPaths(start, { paths: paths, moduleDirectory: moduleDirectories }); verifyDirs(t, start, dirs, moduleDirectories, paths); t.end(); }); t.test('combine paths correctly on Windows', function (t) { var start = 'C:\\Users\\username\\myProject\\src'; var paths = []; var moduleDirectories = ['node_modules', start]; var dirs = nodeModulesPaths(start, { paths: paths, moduleDirectory: moduleDirectories }); t.equal(dirs.indexOf(path.resolve(start)) > -1, true, 'should contain start dir'); t.end(); }); t.test('combine paths correctly on non-Windows', { skip: process.platform === 'win32' }, function (t) { var start = '/Users/username/git/myProject/src'; var paths = []; var moduleDirectories = ['node_modules', '/Users/username/git/myProject/src']; var dirs = nodeModulesPaths(start, { paths: paths, moduleDirectory: moduleDirectories }); t.equal(dirs.indexOf(path.resolve(start)) > -1, true, 'should contain start dir'); t.end(); }); });