forked from M3-Academy/challenge-algorithms-v2.0
596 lines
20 KiB
JavaScript
596 lines
20 KiB
JavaScript
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var path = require('path');
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var test = require('tape');
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var resolve = require('../');
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var async = require('../async');
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test('`./async` entry point', function (t) {
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t.equal(resolve, async, '`./async` entry point is the same as `main`');
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t.end();
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});
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test('async foo', function (t) {
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t.plan(12);
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var dir = path.join(__dirname, 'resolver');
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resolve('./foo', { basedir: dir }, function (err, res, pkg) {
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if (err) t.fail(err);
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t.equal(res, path.join(dir, 'foo.js'));
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t.equal(pkg && pkg.name, 'resolve');
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});
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resolve('./foo.js', { basedir: dir }, function (err, res, pkg) {
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if (err) t.fail(err);
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t.equal(res, path.join(dir, 'foo.js'));
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t.equal(pkg && pkg.name, 'resolve');
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});
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resolve('./foo', { basedir: dir, 'package': { main: 'resolver' } }, function (err, res, pkg) {
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if (err) t.fail(err);
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t.equal(res, path.join(dir, 'foo.js'));
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t.equal(pkg && pkg.main, 'resolver');
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});
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resolve('./foo.js', { basedir: dir, 'package': { main: 'resolver' } }, function (err, res, pkg) {
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if (err) t.fail(err);
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t.equal(res, path.join(dir, 'foo.js'));
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t.equal(pkg.main, 'resolver');
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});
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resolve('./foo', { basedir: dir, filename: path.join(dir, 'baz.js') }, function (err, res) {
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if (err) t.fail(err);
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t.equal(res, path.join(dir, 'foo.js'));
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});
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resolve('foo', { basedir: dir }, function (err) {
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t.equal(err.message, "Cannot find module 'foo' from '" + path.resolve(dir) + "'");
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t.equal(err.code, 'MODULE_NOT_FOUND');
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});
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// Test that filename is reported as the "from" value when passed.
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resolve('foo', { basedir: dir, filename: path.join(dir, 'baz.js') }, function (err) {
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t.equal(err.message, "Cannot find module 'foo' from '" + path.join(dir, 'baz.js') + "'");
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});
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});
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test('bar', function (t) {
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t.plan(6);
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var dir = path.join(__dirname, 'resolver');
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resolve('foo', { basedir: dir + '/bar' }, function (err, res, pkg) {
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if (err) t.fail(err);
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t.equal(res, path.join(dir, 'bar/node_modules/foo/index.js'));
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t.equal(pkg, undefined);
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});
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resolve('foo', { basedir: dir + '/bar' }, function (err, res, pkg) {
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if (err) t.fail(err);
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t.equal(res, path.join(dir, 'bar/node_modules/foo/index.js'));
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t.equal(pkg, undefined);
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});
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resolve('foo', { basedir: dir + '/bar', 'package': { main: 'bar' } }, function (err, res, pkg) {
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if (err) t.fail(err);
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t.equal(res, path.join(dir, 'bar/node_modules/foo/index.js'));
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t.equal(pkg.main, 'bar');
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});
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});
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test('baz', function (t) {
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t.plan(4);
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var dir = path.join(__dirname, 'resolver');
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resolve('./baz', { basedir: dir }, function (err, res, pkg) {
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if (err) t.fail(err);
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t.equal(res, path.join(dir, 'baz/quux.js'));
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t.equal(pkg.main, 'quux.js');
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});
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resolve('./baz', { basedir: dir, 'package': { main: 'resolver' } }, function (err, res, pkg) {
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if (err) t.fail(err);
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t.equal(res, path.join(dir, 'baz/quux.js'));
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t.equal(pkg.main, 'quux.js');
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});
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});
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test('biz', function (t) {
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t.plan(24);
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var dir = path.join(__dirname, 'resolver/biz/node_modules');
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resolve('./grux', { basedir: dir }, function (err, res, pkg) {
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if (err) t.fail(err);
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t.equal(res, path.join(dir, 'grux/index.js'));
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t.equal(pkg, undefined);
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});
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resolve('./grux', { basedir: dir, 'package': { main: 'biz' } }, function (err, res, pkg) {
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if (err) t.fail(err);
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t.equal(res, path.join(dir, 'grux/index.js'));
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t.equal(pkg.main, 'biz');
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});
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resolve('./garply', { basedir: dir }, function (err, res, pkg) {
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if (err) t.fail(err);
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t.equal(res, path.join(dir, 'garply/lib/index.js'));
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t.equal(pkg.main, './lib');
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});
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resolve('./garply', { basedir: dir, 'package': { main: 'biz' } }, function (err, res, pkg) {
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if (err) t.fail(err);
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t.equal(res, path.join(dir, 'garply/lib/index.js'));
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t.equal(pkg.main, './lib');
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});
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resolve('tiv', { basedir: dir + '/grux' }, function (err, res, pkg) {
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if (err) t.fail(err);
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t.equal(res, path.join(dir, 'tiv/index.js'));
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t.equal(pkg, undefined);
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});
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resolve('tiv', { basedir: dir + '/grux', 'package': { main: 'grux' } }, function (err, res, pkg) {
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if (err) t.fail(err);
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t.equal(res, path.join(dir, 'tiv/index.js'));
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t.equal(pkg.main, 'grux');
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});
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resolve('tiv', { basedir: dir + '/garply' }, function (err, res, pkg) {
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if (err) t.fail(err);
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t.equal(res, path.join(dir, 'tiv/index.js'));
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t.equal(pkg, undefined);
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});
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resolve('tiv', { basedir: dir + '/garply', 'package': { main: './lib' } }, function (err, res, pkg) {
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if (err) t.fail(err);
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t.equal(res, path.join(dir, 'tiv/index.js'));
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t.equal(pkg.main, './lib');
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});
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resolve('grux', { basedir: dir + '/tiv' }, function (err, res, pkg) {
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if (err) t.fail(err);
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t.equal(res, path.join(dir, 'grux/index.js'));
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t.equal(pkg, undefined);
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});
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resolve('grux', { basedir: dir + '/tiv', 'package': { main: 'tiv' } }, function (err, res, pkg) {
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if (err) t.fail(err);
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t.equal(res, path.join(dir, 'grux/index.js'));
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t.equal(pkg.main, 'tiv');
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});
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resolve('garply', { basedir: dir + '/tiv' }, function (err, res, pkg) {
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if (err) t.fail(err);
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t.equal(res, path.join(dir, 'garply/lib/index.js'));
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t.equal(pkg.main, './lib');
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});
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resolve('garply', { basedir: dir + '/tiv', 'package': { main: 'tiv' } }, function (err, res, pkg) {
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if (err) t.fail(err);
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t.equal(res, path.join(dir, 'garply/lib/index.js'));
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t.equal(pkg.main, './lib');
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});
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});
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test('quux', function (t) {
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t.plan(2);
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var dir = path.join(__dirname, 'resolver/quux');
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resolve('./foo', { basedir: dir, 'package': { main: 'quux' } }, function (err, res, pkg) {
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if (err) t.fail(err);
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t.equal(res, path.join(dir, 'foo/index.js'));
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t.equal(pkg.main, 'quux');
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});
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});
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test('normalize', function (t) {
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t.plan(2);
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var dir = path.join(__dirname, 'resolver/biz/node_modules/grux');
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resolve('../grux', { basedir: dir }, function (err, res, pkg) {
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if (err) t.fail(err);
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t.equal(res, path.join(dir, 'index.js'));
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t.equal(pkg, undefined);
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});
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});
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test('cup', function (t) {
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t.plan(5);
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var dir = path.join(__dirname, 'resolver');
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resolve('./cup', { basedir: dir, extensions: ['.js', '.coffee'] }, function (err, res) {
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if (err) t.fail(err);
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t.equal(res, path.join(dir, 'cup.coffee'));
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});
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resolve('./cup.coffee', { basedir: dir }, function (err, res) {
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if (err) t.fail(err);
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t.equal(res, path.join(dir, 'cup.coffee'));
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});
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resolve('./cup', { basedir: dir, extensions: ['.js'] }, function (err, res) {
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t.equal(err.message, "Cannot find module './cup' from '" + path.resolve(dir) + "'");
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t.equal(err.code, 'MODULE_NOT_FOUND');
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});
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// Test that filename is reported as the "from" value when passed.
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resolve('./cup', { basedir: dir, extensions: ['.js'], filename: path.join(dir, 'cupboard.js') }, function (err, res) {
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t.equal(err.message, "Cannot find module './cup' from '" + path.join(dir, 'cupboard.js') + "'");
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});
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});
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test('mug', function (t) {
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t.plan(3);
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var dir = path.join(__dirname, 'resolver');
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resolve('./mug', { basedir: dir }, function (err, res) {
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if (err) t.fail(err);
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t.equal(res, path.join(dir, 'mug.js'));
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});
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resolve('./mug', { basedir: dir, extensions: ['.coffee', '.js'] }, function (err, res) {
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if (err) t.fail(err);
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t.equal(res, path.join(dir, '/mug.coffee'));
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});
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resolve('./mug', { basedir: dir, extensions: ['.js', '.coffee'] }, function (err, res) {
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t.equal(res, path.join(dir, '/mug.js'));
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});
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});
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test('other path', function (t) {
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t.plan(6);
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var resolverDir = path.join(__dirname, 'resolver');
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var dir = path.join(resolverDir, 'bar');
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var otherDir = path.join(resolverDir, 'other_path');
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resolve('root', { basedir: dir, paths: [otherDir] }, function (err, res) {
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if (err) t.fail(err);
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t.equal(res, path.join(resolverDir, 'other_path/root.js'));
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});
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resolve('lib/other-lib', { basedir: dir, paths: [otherDir] }, function (err, res) {
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if (err) t.fail(err);
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t.equal(res, path.join(resolverDir, 'other_path/lib/other-lib.js'));
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});
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resolve('root', { basedir: dir }, function (err, res) {
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t.equal(err.message, "Cannot find module 'root' from '" + path.resolve(dir) + "'");
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t.equal(err.code, 'MODULE_NOT_FOUND');
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});
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resolve('zzz', { basedir: dir, paths: [otherDir] }, function (err, res) {
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t.equal(err.message, "Cannot find module 'zzz' from '" + path.resolve(dir) + "'");
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t.equal(err.code, 'MODULE_NOT_FOUND');
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});
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});
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test('path iterator', function (t) {
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t.plan(2);
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var resolverDir = path.join(__dirname, 'resolver');
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var exactIterator = function (x, start, getPackageCandidates, opts) {
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return [path.join(resolverDir, x)];
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};
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resolve('baz', { packageIterator: exactIterator }, function (err, res, pkg) {
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if (err) t.fail(err);
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t.equal(res, path.join(resolverDir, 'baz/quux.js'));
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t.equal(pkg && pkg.name, 'baz');
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});
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});
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test('incorrect main', function (t) {
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t.plan(1);
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var resolverDir = path.join(__dirname, 'resolver');
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var dir = path.join(resolverDir, 'incorrect_main');
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resolve('./incorrect_main', { basedir: resolverDir }, function (err, res, pkg) {
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if (err) t.fail(err);
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t.equal(res, path.join(dir, 'index.js'));
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});
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});
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test('missing index', function (t) {
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t.plan(2);
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var resolverDir = path.join(__dirname, 'resolver');
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resolve('./missing_index', { basedir: resolverDir }, function (err, res, pkg) {
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t.ok(err instanceof Error);
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t.equal(err && err.code, 'MODULE_NOT_FOUND', 'error has correct error code');
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});
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});
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test('missing main', function (t) {
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t.plan(1);
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var resolverDir = path.join(__dirname, 'resolver');
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resolve('./missing_main', { basedir: resolverDir }, function (err, res, pkg) {
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t.equal(err && err.code, 'MODULE_NOT_FOUND', 'error has correct error code');
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});
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});
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test('null main', function (t) {
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t.plan(1);
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var resolverDir = path.join(__dirname, 'resolver');
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resolve('./null_main', { basedir: resolverDir }, function (err, res, pkg) {
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t.equal(err && err.code, 'MODULE_NOT_FOUND', 'error has correct error code');
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});
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});
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test('main: false', function (t) {
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t.plan(2);
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var basedir = path.join(__dirname, 'resolver');
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var dir = path.join(basedir, 'false_main');
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resolve('./false_main', { basedir: basedir }, function (err, res, pkg) {
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if (err) t.fail(err);
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t.equal(
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res,
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path.join(dir, 'index.js'),
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'`"main": false`: resolves to `index.js`'
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);
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t.deepEqual(pkg, {
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name: 'false_main',
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main: false
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});
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});
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});
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test('without basedir', function (t) {
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|
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t.plan(1);
|
||
|
|
|
||
|
|
var dir = path.join(__dirname, 'resolver/without_basedir');
|
||
|
|
var tester = require(path.join(dir, 'main.js')); // eslint-disable-line global-require
|
||
|
|
|
||
|
|
tester(t, function (err, res, pkg) {
|
||
|
|
if (err) {
|
||
|
|
t.fail(err);
|
||
|
|
} else {
|
||
|
|
t.equal(res, path.join(dir, 'node_modules/mymodule.js'));
|
||
|
|
}
|
||
|
|
});
|
||
|
|
});
|
||
|
|
|
||
|
|
test('#52 - incorrectly resolves module-paths like "./someFolder/" when there is a file of the same name', function (t) {
|
||
|
|
t.plan(2);
|
||
|
|
|
||
|
|
var dir = path.join(__dirname, 'resolver');
|
||
|
|
|
||
|
|
resolve('./foo', { basedir: path.join(dir, 'same_names') }, function (err, res, pkg) {
|
||
|
|
if (err) t.fail(err);
|
||
|
|
t.equal(res, path.join(dir, 'same_names/foo.js'));
|
||
|
|
});
|
||
|
|
|
||
|
|
resolve('./foo/', { basedir: path.join(dir, 'same_names') }, function (err, res, pkg) {
|
||
|
|
if (err) t.fail(err);
|
||
|
|
t.equal(res, path.join(dir, 'same_names/foo/index.js'));
|
||
|
|
});
|
||
|
|
});
|
||
|
|
|
||
|
|
test('#211 - incorrectly resolves module-paths like "." when from inside a folder with a sibling file of the same name', function (t) {
|
||
|
|
t.plan(2);
|
||
|
|
|
||
|
|
var dir = path.join(__dirname, 'resolver');
|
||
|
|
|
||
|
|
resolve('./', { basedir: path.join(dir, 'same_names/foo') }, function (err, res, pkg) {
|
||
|
|
if (err) t.fail(err);
|
||
|
|
t.equal(res, path.join(dir, 'same_names/foo/index.js'));
|
||
|
|
});
|
||
|
|
|
||
|
|
resolve('.', { basedir: path.join(dir, 'same_names/foo') }, function (err, res, pkg) {
|
||
|
|
if (err) t.fail(err);
|
||
|
|
t.equal(res, path.join(dir, 'same_names/foo/index.js'));
|
||
|
|
});
|
||
|
|
});
|
||
|
|
|
||
|
|
test('async: #121 - treating an existing file as a dir when no basedir', function (t) {
|
||
|
|
var testFile = path.basename(__filename);
|
||
|
|
|
||
|
|
t.test('sanity check', function (st) {
|
||
|
|
st.plan(1);
|
||
|
|
resolve('./' + testFile, function (err, res, pkg) {
|
||
|
|
if (err) t.fail(err);
|
||
|
|
st.equal(res, __filename, 'sanity check');
|
||
|
|
});
|
||
|
|
});
|
||
|
|
|
||
|
|
t.test('with a fake directory', function (st) {
|
||
|
|
st.plan(4);
|
||
|
|
|
||
|
|
resolve('./' + testFile + '/blah', function (err, res, pkg) {
|
||
|
|
st.ok(err, 'there is an error');
|
||
|
|
st.notOk(res, 'no result');
|
||
|
|
|
||
|
|
st.equal(err && err.code, 'MODULE_NOT_FOUND', 'error code matches require.resolve');
|
||
|
|
st.equal(
|
||
|
|
err && err.message,
|
||
|
|
'Cannot find module \'./' + testFile + '/blah\' from \'' + __dirname + '\'',
|
||
|
|
'can not find nonexistent module'
|
||
|
|
);
|
||
|
|
st.end();
|
||
|
|
});
|
||
|
|
});
|
||
|
|
|
||
|
|
t.end();
|
||
|
|
});
|
||
|
|
|
||
|
|
test('async dot main', function (t) {
|
||
|
|
var start = new Date();
|
||
|
|
t.plan(3);
|
||
|
|
resolve('./resolver/dot_main', function (err, ret) {
|
||
|
|
t.notOk(err);
|
||
|
|
t.equal(ret, path.join(__dirname, 'resolver/dot_main/index.js'));
|
||
|
|
t.ok(new Date() - start < 50, 'resolve.sync timedout');
|
||
|
|
t.end();
|
||
|
|
});
|
||
|
|
});
|
||
|
|
|
||
|
|
test('async dot slash main', function (t) {
|
||
|
|
var start = new Date();
|
||
|
|
t.plan(3);
|
||
|
|
resolve('./resolver/dot_slash_main', function (err, ret) {
|
||
|
|
t.notOk(err);
|
||
|
|
t.equal(ret, path.join(__dirname, 'resolver/dot_slash_main/index.js'));
|
||
|
|
t.ok(new Date() - start < 50, 'resolve.sync timedout');
|
||
|
|
t.end();
|
||
|
|
});
|
||
|
|
});
|
||
|
|
|
||
|
|
test('not a directory', function (t) {
|
||
|
|
t.plan(6);
|
||
|
|
var path = './foo';
|
||
|
|
resolve(path, { basedir: __filename }, function (err, res, pkg) {
|
||
|
|
t.ok(err, 'a non-directory errors');
|
||
|
|
t.equal(arguments.length, 1);
|
||
|
|
t.equal(res, undefined);
|
||
|
|
t.equal(pkg, undefined);
|
||
|
|
|
||
|
|
t.equal(err && err.message, 'Cannot find module \'' + path + '\' from \'' + __filename + '\'');
|
||
|
|
t.equal(err && err.code, 'MODULE_NOT_FOUND');
|
||
|
|
});
|
||
|
|
});
|
||
|
|
|
||
|
|
test('non-string "main" field in package.json', function (t) {
|
||
|
|
t.plan(5);
|
||
|
|
|
||
|
|
var dir = path.join(__dirname, 'resolver');
|
||
|
|
resolve('./invalid_main', { basedir: dir }, function (err, res, pkg) {
|
||
|
|
t.ok(err, 'errors on non-string main');
|
||
|
|
t.equal(err.message, 'package “invalid_main” `main` must be a string');
|
||
|
|
t.equal(err.code, 'INVALID_PACKAGE_MAIN');
|
||
|
|
t.equal(res, undefined, 'res is undefined');
|
||
|
|
t.equal(pkg, undefined, 'pkg is undefined');
|
||
|
|
});
|
||
|
|
});
|
||
|
|
|
||
|
|
test('non-string "main" field in package.json', function (t) {
|
||
|
|
t.plan(5);
|
||
|
|
|
||
|
|
var dir = path.join(__dirname, 'resolver');
|
||
|
|
resolve('./invalid_main', { basedir: dir }, function (err, res, pkg) {
|
||
|
|
t.ok(err, 'errors on non-string main');
|
||
|
|
t.equal(err.message, 'package “invalid_main” `main` must be a string');
|
||
|
|
t.equal(err.code, 'INVALID_PACKAGE_MAIN');
|
||
|
|
t.equal(res, undefined, 'res is undefined');
|
||
|
|
t.equal(pkg, undefined, 'pkg is undefined');
|
||
|
|
});
|
||
|
|
});
|
||
|
|
|
||
|
|
test('browser field in package.json', function (t) {
|
||
|
|
t.plan(3);
|
||
|
|
|
||
|
|
var dir = path.join(__dirname, 'resolver');
|
||
|
|
resolve(
|
||
|
|
'./browser_field',
|
||
|
|
{
|
||
|
|
basedir: dir,
|
||
|
|
packageFilter: function packageFilter(pkg) {
|
||
|
|
if (pkg.browser) {
|
||
|
|
pkg.main = pkg.browser; // eslint-disable-line no-param-reassign
|
||
|
|
delete pkg.browser; // eslint-disable-line no-param-reassign
|
||
|
|
}
|
||
|
|
return pkg;
|
||
|
|
}
|
||
|
|
},
|
||
|
|
function (err, res, pkg) {
|
||
|
|
if (err) t.fail(err);
|
||
|
|
t.equal(res, path.join(dir, 'browser_field', 'b.js'));
|
||
|
|
t.equal(pkg && pkg.main, 'b');
|
||
|
|
t.equal(pkg && pkg.browser, undefined);
|
||
|
|
}
|
||
|
|
);
|
||
|
|
});
|
||
|
|
|
||
|
|
test('absolute paths', function (t) {
|
||
|
|
t.plan(4);
|
||
|
|
|
||
|
|
var extensionless = __filename.slice(0, -path.extname(__filename).length);
|
||
|
|
|
||
|
|
resolve(__filename, function (err, res) {
|
||
|
|
t.equal(
|
||
|
|
res,
|
||
|
|
__filename,
|
||
|
|
'absolute path to this file resolves'
|
||
|
|
);
|
||
|
|
});
|
||
|
|
resolve(extensionless, function (err, res) {
|
||
|
|
t.equal(
|
||
|
|
res,
|
||
|
|
__filename,
|
||
|
|
'extensionless absolute path to this file resolves'
|
||
|
|
);
|
||
|
|
});
|
||
|
|
resolve(__filename, { basedir: process.cwd() }, function (err, res) {
|
||
|
|
t.equal(
|
||
|
|
res,
|
||
|
|
__filename,
|
||
|
|
'absolute path to this file with a basedir resolves'
|
||
|
|
);
|
||
|
|
});
|
||
|
|
resolve(extensionless, { basedir: process.cwd() }, function (err, res) {
|
||
|
|
t.equal(
|
||
|
|
res,
|
||
|
|
__filename,
|
||
|
|
'extensionless absolute path to this file with a basedir resolves'
|
||
|
|
);
|
||
|
|
});
|
||
|
|
});
|
||
|
|
|
||
|
|
test('malformed package.json', function (t) {
|
||
|
|
/* eslint operator-linebreak: ["error", "before"], function-paren-newline: "off" */
|
||
|
|
t.plan(
|
||
|
|
(3 * 3) // 3 sets of 3 assertions in the final callback
|
||
|
|
+ 2 // 1 readPackage call with malformed package.json
|
||
|
|
);
|
||
|
|
|
||
|
|
var basedir = path.join(__dirname, 'resolver/malformed_package_json');
|
||
|
|
var expected = path.join(basedir, 'index.js');
|
||
|
|
|
||
|
|
resolve('./index.js', { basedir: basedir }, function (err, res, pkg) {
|
||
|
|
t.error(err, 'no error');
|
||
|
|
t.equal(res, expected, 'malformed package.json is silently ignored');
|
||
|
|
t.equal(pkg, undefined, 'malformed package.json gives an undefined `pkg` argument');
|
||
|
|
});
|
||
|
|
|
||
|
|
resolve(
|
||
|
|
'./index.js',
|
||
|
|
{
|
||
|
|
basedir: basedir,
|
||
|
|
packageFilter: function (pkg, pkgfile, dir) {
|
||
|
|
t.fail('should not reach here');
|
||
|
|
}
|
||
|
|
},
|
||
|
|
function (err, res, pkg) {
|
||
|
|
t.error(err, 'with packageFilter: no error');
|
||
|
|
t.equal(res, expected, 'with packageFilter: malformed package.json is silently ignored');
|
||
|
|
t.equal(pkg, undefined, 'with packageFilter: malformed package.json gives an undefined `pkg` argument');
|
||
|
|
}
|
||
|
|
);
|
||
|
|
|
||
|
|
resolve(
|
||
|
|
'./index.js',
|
||
|
|
{
|
||
|
|
basedir: basedir,
|
||
|
|
readPackage: function (readFile, pkgfile, cb) {
|
||
|
|
t.equal(pkgfile, path.join(basedir, 'package.json'), 'readPackageSync: `pkgfile` is package.json path');
|
||
|
|
readFile(pkgfile, function (err, result) {
|
||
|
|
try {
|
||
|
|
cb(null, JSON.parse(result));
|
||
|
|
} catch (e) {
|
||
|
|
t.ok(e instanceof SyntaxError, 'readPackage: malformed package.json parses as a syntax error');
|
||
|
|
cb(null);
|
||
|
|
}
|
||
|
|
});
|
||
|
|
}
|
||
|
|
},
|
||
|
|
function (err, res, pkg) {
|
||
|
|
t.error(err, 'with readPackage: no error');
|
||
|
|
t.equal(res, expected, 'with readPackage: malformed package.json is silently ignored');
|
||
|
|
t.equal(pkg, undefined, 'with readPackage: malformed package.json gives an undefined `pkg` argument');
|
||
|
|
}
|
||
|
|
);
|
||
|
|
});
|