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rOACCT/node_modules/resolve/test/home_paths.js
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home_paths.js
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			'use strict';

			var fs = require('fs');
			var homedir = require('../lib/homedir');
			var path = require('path');

			var test = require('tape');
			var mkdirp = require('mkdirp');
			var rimraf = require('rimraf');
			var mv = require('mv');
			var copyDir = require('copy-dir');
			var tmp = require('tmp');

			var HOME = homedir();

			var hnm = path.join(HOME, '.node_modules');
			var hnl = path.join(HOME, '.node_libraries');

			var resolve = require('../async');

			function makeDir(t, dir, cb) {
			mkdirp(dir, function (err) {
			if (err) {
			cb(err);
			} else {
			t.teardown(function cleanup() {
			rimraf.sync(dir);
			});
			cb();
			}
			});
			}

			function makeTempDir(t, dir, cb) {
			if (fs.existsSync(dir)) {
			var tmpResult = tmp.dirSync();
			t.teardown(tmpResult.removeCallback);
			var backup = path.join(tmpResult.name, path.basename(dir));
			mv(dir, backup, function (err) {
			if (err) {
			cb(err);
			} else {
			t.teardown(function () {
			mv(backup, dir, cb);
			});
			makeDir(t, dir, cb);
			}
			});
			} else {
			makeDir(t, dir, cb);
			}
			}

			test('homedir module paths', function (t) {
			t.plan(7);

			makeTempDir(t, hnm, function (err) {
			t.error(err, 'no error with HNM temp dir');
			if (err) {
			return t.end();
			}

			var bazHNMDir = path.join(hnm, 'baz');
			var dotMainDir = path.join(hnm, 'dot_main');
			copyDir.sync(path.join(__dirname, 'resolver/baz'), bazHNMDir);
			copyDir.sync(path.join(__dirname, 'resolver/dot_main'), dotMainDir);

			var bazPkg = { name: 'baz', main: 'quux.js' };
			var dotMainPkg = { main: 'index' };

			var bazHNMmain = path.join(bazHNMDir, 'quux.js');
			t.equal(require.resolve('baz'), bazHNMmain, 'sanity check: require.resolve finds HNM `baz`');
			var dotMainMain = path.join(dotMainDir, 'index.js');
			t.equal(require.resolve('dot_main'), dotMainMain, 'sanity check: require.resolve finds `dot_main`');

			makeTempDir(t, hnl, function (err) {
			t.error(err, 'no error with HNL temp dir');
			if (err) {
			return t.end();
			}
			var bazHNLDir = path.join(hnl, 'baz');
			copyDir.sync(path.join(__dirname, 'resolver/baz'), bazHNLDir);

			var dotSlashMainDir = path.join(hnl, 'dot_slash_main');
			var dotSlashMainMain = path.join(dotSlashMainDir, 'index.js');
			var dotSlashMainPkg = { main: 'index' };
			copyDir.sync(path.join(__dirname, 'resolver/dot_slash_main'), dotSlashMainDir);

			t.equal(require.resolve('baz'), bazHNMmain, 'sanity check: require.resolve finds HNM `baz`');
			t.equal(require.resolve('dot_slash_main'), dotSlashMainMain, 'sanity check: require.resolve finds HNL `dot_slash_main`');

			t.test('with temp dirs', function (st) {
			st.plan(3);

			st.test('just in `$HOME/.node_modules`', function (s2t) {
			s2t.plan(3);

			resolve('dot_main', function (err, res, pkg) {
			s2t.error(err, 'no error resolving `dot_main`');
			s2t.equal(res, dotMainMain, '`dot_main` resolves in `$HOME/.node_modules`');
			s2t.deepEqual(pkg, dotMainPkg);
			});
			});

			st.test('just in `$HOME/.node_libraries`', function (s2t) {
			s2t.plan(3);

			resolve('dot_slash_main', function (err, res, pkg) {
			s2t.error(err, 'no error resolving `dot_slash_main`');
			s2t.equal(res, dotSlashMainMain, '`dot_slash_main` resolves in `$HOME/.node_libraries`');
			s2t.deepEqual(pkg, dotSlashMainPkg);
			});
			});

			st.test('in `$HOME/.node_libraries` and `$HOME/.node_modules`', function (s2t) {
			s2t.plan(3);

			resolve('baz', function (err, res, pkg) {
			s2t.error(err, 'no error resolving `baz`');
			s2t.equal(res, bazHNMmain, '`baz` resolves in `$HOME/.node_modules` when in both');
			s2t.deepEqual(pkg, bazPkg);
			});
			});
			});
			});
			});
			});