node/deps/npm/test/tap/bin.js

var path = require("path")
var test = require("tap").test
var common = require("../common-tap.js")
var opts = { cwd: __dirname }
var binDir = "../../node_modules/.bin"
var fixture = path.resolve(__dirname, binDir)

test('npm bin', function (t) {
  common.npm(["bin"], opts, function (err, code, stdout, stderr) {
    t.ifError(err, "bin ran without issue")
    t.notOk(stderr, "should have no stderr")
    t.equal(code, 0, "exit ok")
    var res = path.resolve(stdout)
    t.equal(res, fixture + "\n")
    t.end()
  })
})