node/deps/npm/test/tap/install-save-local.js

var common = require("../common-tap.js")
var test = require("tap").test
var path = require("path")
var fs = require("fs")
var rimraf = require("rimraf")
var pkg = path.join(__dirname, "install-save-local", "package")

var EXEC_OPTS = { }

test("setup", function (t) {
  resetPackageJSON(pkg)
  process.chdir(pkg)
  t.end()
})

test('"npm install --save ../local/path" should install local package and save to package.json', function (t) {
  resetPackageJSON(pkg)
  common.npm(["install", "--save", "../package-local-dependency"], EXEC_OPTS, function (err, code) {
    t.ifError(err)
    t.notOk(code, "npm install exited with code 0")

    var dependencyPackageJson = path.resolve(pkg, "node_modules/package-local-dependency/package.json")
    t.ok(JSON.parse(fs.readFileSync(dependencyPackageJson, "utf8")))

    var pkgJson = JSON.parse(fs.readFileSync(pkg + "/package.json", "utf8"))
    t.deepEqual(pkgJson.dependencies, {
                "package-local-dependency": "file:../package-local-dependency"
              })
    t.end()
  })
})

test('"npm install --save-dev ../local/path" should install local package and save to package.json', function (t) {
  resetPackageJSON(pkg)
  common.npm(["install", "--save-dev", "../package-local-dev-dependency"], EXEC_OPTS, function (err, code) {
    t.ifError(err)
    t.notOk(code, "npm install exited with code 0")

    var dependencyPackageJson = path.resolve(pkg, "node_modules/package-local-dev-dependency/package.json")
    t.ok(JSON.parse(fs.readFileSync(dependencyPackageJson, "utf8")))

    var pkgJson = JSON.parse(fs.readFileSync(pkg + "/package.json", "utf8"))
    t.deepEqual(pkgJson.devDependencies, {
                "package-local-dev-dependency": "file:../package-local-dev-dependency"
              })

    t.end()
  })
})


test("cleanup", function (t) {
  resetPackageJSON(pkg)
  process.chdir(__dirname)
  rimraf.sync(path.resolve(pkg, "node_modules"))
  t.end()
})

function resetPackageJSON(pkg) {
  var pkgJson = JSON.parse(fs.readFileSync(pkg + "/package.json", "utf8"))
  delete pkgJson.dependencies
  delete pkgJson.devDependencies
  var json = JSON.stringify(pkgJson, null, 2) + "\n"
  fs.writeFileSync(pkg + "/package.json", json, "ascii")
}