| 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'); |
| |
| 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.concat(paths || []), '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 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 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(); |
| }); |
| }); |