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var path = require('path'); var expect = require('expect.js') var resolvers = require('rewire')('../lib/resolvers') require.cache[require.resolve('../lib/resolvers')] = { exports: resolvers } var requiregModule = require('../lib/requireg') var isWin32 = process.platform === 'win32' var homeVar = isWin32 ? 'USERPROFILE' : 'HOME' var homePath = process.env[homeVar] describe('requireg', function () { it('should be a function', function () { expect(requiregModule).to.be.a('function') }) describe('requireg API', function () { it('should globalize', function () { requiregModule.globalize() expect(requireg).to.be.a('function') }) }) describe('local modules', function () { it('should resolve a local module', function () { expect(requiregModule('expect.js')).to.be.equal(expect) }) it('should throw an Error exception when no local module exists', function () { expect(function () { requiregModule('nonexistent') }).to.throwError() }) }) describe('global modules', function () { describe('resolve only global', function () { it('should not resolve a local module', function () { expect(function () { requiregModule('expect.js', true) }).to.throwError() }) }) describe('resolve via NODE_PATH', function () { before(function () { process.env.NODE_PATH = path.join(__dirname, 'fixtures', 'lib'); }) after(function () { process.env.NODE_PATH = '' }) it('should resolve the beaker package', function () { expect(requiregModule('beaker')).to.be.true }) it('should have the expected module path', function () { expect(requiregModule.resolve('beaker')) .to.be.equal(path.join(__dirname, 'fixtures', 'lib', 'node_modules', 'beaker', 'index.js')) }) }) describe('resolve via $HOME', function () { before(function () { process.env[homeVar] = path.join(__dirname, 'fixtures', 'lib') }) after(function () { process.env[homeVar] = homePath }) it('should resolve the beaker package', function () { expect(requiregModule('beaker')).to.be.true }) }) describe('resolve via $NODE_MODULES', function () { before(function () { process.env.NODE_MODULES = path.join(__dirname, 'fixtures', 'lib') }) after(function () { process.env.NODE_MODULES = '' }) it('should resolve the beaker package', function () { expect(requiregModule('beaker')).to.be.true }) }) describe('resolve via node execution path', function () { var execPath = process.execPath var rc = require('rc') before(function () { process.execPath = path.join(__dirname, 'fixtures', (isWin32 ? 'lib' : 'bin'), 'node') }) after(function () { process.execPath = execPath }) it('should resolve the beaker package', function () { expect(requiregModule('beaker')).to.be.true }) it('should have the expected module path', function () { expect(requiregModule.resolve('beaker')) .to.be.equal(path.join(__dirname, 'fixtures', 'lib', 'node_modules', 'beaker', 'index.js')) }) }) describe('resolve via npm prefix', function () { var rc = require('rc') before(function () { resolvers.__set__('rc', function () { return { prefix: path.join(__dirname, 'fixtures', (isWin32 ? 'lib' : '')) } }) }) after(function () { resolvers.__set__('rc', rc) }) it('should resolve the beaker package', function () { expect(requiregModule('beaker')).to.be.true }) it('should have the expected module path', function () { expect(requiregModule.resolve('beaker')) .to.be.equal(path.join(__dirname, 'fixtures', 'lib', 'node_modules', 'beaker', 'index.js')) }) }) }) })