npm/test/tap/semver-tag.js

a package manager for JavaScript

// should not allow tagging with a valid semver range
var common = require("../common-tap.js")
var test = require("tap").test

test("try to tag with semver range as tag name", function (t) {
  var cmd = ["tag", "zzzz@1.2.3", "v2.x", "--registry=http://localhost"]
  common.npm(cmd, {
    stdio: "pipe"
  }, function (er, code, so, se) {
    if (er) throw er
    t.similar(se, /Tag name must not be a valid SemVer range: v2.x\n/)
    t.equal(code, 1)
    t.end()
  })
})