pjax/tests/lib/eval-scripts.js

var tape = require("tape");

var evalScript = require("../../lib/eval-script");

tape("test evalScript method", function(t) {
  document.body.className = "";

  var script = document.createElement("script");
  script.innerHTML = "document.body.className = 'executed'";

  t.equal(document.body.className, "", "script hasn't been executed yet");

  evalScript(script);
  t.equal(
    document.body.className,
    "executed",
    "script has been properly executed"
  );

  script.innerHTML = "document.write('failure')";
  var bodyText = "document.write hasn't been executed";
  document.body.text = bodyText;
  evalScript(script);
  t.equal(document.body.text, bodyText, "document.write hasn't been executed");

  t.end();
});

tape(
  "evalScript should not throw an error if the script removed itself",
  function(t) {
    var script = document.createElement("script");
    script.id = "myScript";
    script.innerHTML =
      "const script = document.querySelector('#myScript');" +
      "script.parentNode.removeChild(script);";

    try {
      evalScript(script);

      t.pass("Missing script tested successfully");
    } catch (e) {
      console.error(e);
      t.fail("Attempted to remove missing script");
    }

    t.end();
  }
);