challenge-algorithms-v2.0-s.../node_modules/resolve/test/home_paths.js

128 lines
4.4 KiB
JavaScript

'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);
});
});
});
});
});
});