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