<!DOCTYPE html>
<!--
Copyright (c) 2015 The Chromium Authors. All rights reserved.
Use of this source code is governed by a BSD-style license that can be
found in the LICENSE file.
-->

<link rel="import" href="/extras/chrome/chrome_test_utils.html">
<link rel="import" href="/extras/rail/rail_score.html">

<script>
'use strict';

tr.b.unittest.testSuite(function() {
  test('zeroInteractionRecords', function() {
    var score = new tr.e.rail.RAILScore();
    assert.equal(0, score.interactionRecords.length);
    assert.isUndefined(score.overallScore);
  });

  test('overallScore', function() {
    var score = new tr.e.rail.RAILScore([
      {railScore: 0.9},
      {railScore: 1.0},
      {railScore: 0.89},
      {railScore: 1.0},
      {railScore: 0.1}
    ]);
    assert.equal(5, score.interactionRecords.length);

    var expectedOverallScore = 0.72;
    assert.closeTo(score.overallScore, 0.72, 0.01);
  });

  test('fromModel', function() {
    var model = tr.e.audits.newChromeModel(function(model) {
      model.addInteractionRecord(new tr.e.rail.RAILInteractionRecord(
          'Idle', 'rail_idle', 0, 1));
    });
    var score = tr.e.rail.RAILScore.fromModel(model);
    assert.equal(1, score.interactionRecords.length);
  });

  test('fromEmptyModel', function() {
    var model = tr.e.audits.newChromeModel(function(model) {
    });
    assert.isUndefined(tr.e.rail.RAILScore.fromModel(model));
  });
});
</script>