text: var npm = npm = require("../../")
  var test = require("tap").test
  var path = require("path")
  var fs = require("fs")
  var osenv = require("osenv")
  var rimraf = require("rimraf")
  var mr = require("npm-registry-mock")
  var common = require("../common-tap.js")
  
  var pkg = path.resolve(__dirname, "peer-deps")
  var desiredResultsPath = path.resolve(pkg, "desired-ls-results.json")
  
  test("installs the peer dependency directory structure", function (t) {
    t.plan(1)
  
    mr(common.port, function (s) {
      setup(function (err) {
        if (err) return t.fail(err)
  
        npm.install(".", function (err) {
          if (err) return t.fail(err)
  
          npm.commands.ls([], true, function (err, _, results) {
            if (err) return t.fail(err)
  
            fs.readFile(desiredResultsPath, function (err, desired) {
              if (err) return t.fail(err)
  
              t.deepEqual(results, JSON.parse(desired))
              s.close()
              t.end()
            })
          })
        })
      })
    })
  })
  
  test("cleanup", function (t) {
    cleanup()
    t.end()
  })
  
  
  function setup (cb) {
    cleanup()
    process.chdir(pkg)
  
    var opts = { cache: path.resolve(pkg, "cache"), registry: common.registry}
    npm.load(opts, cb)
  }
  
  function cleanup () {
    process.chdir(osenv.tmpdir())
    rimraf.sync(path.resolve(pkg, "node_modules"))
    rimraf.sync(path.resolve(pkg, "cache"))
  }
  