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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(); | |
}); | |
}); | |