<!DOCTYPE html>
<!--
Copyright 2016 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="/tracing/core/test_utils.html">
<link rel="import" href="/tracing/metrics/system_health/scroll_power_metric.html">
<link rel="import" href="/tracing/model/user_model/idle_expectation.html">
<link rel="import" href="/tracing/model/user_model/load_expectation.html">
<link rel="import" href="/tracing/value/value_set.html">

<script>
'use strict';

function getMetricValueSum(values, name) {
  for (var value of values)
    if (value.name === name)
      return value.sum;
}

function getMetricValueAvg(values, name) {
  for (var value of values)
    if (value.name === name)
      return value.average;
}

tr.b.unittest.testSuite(function() {
  test('railPowerMetric_oneStageEachType', function() {
    var model = new tr.Model();
    var valueSet = new tr.v.ValueSet();
    model.device.powerSeries = new tr.model.PowerSeries(model.device);
    for (var i = 0; i <= 1000; i++) {
        model.device.powerSeries.addPowerSample(i.toString(), i.toString());
    }
    model.userModel.expectations.push(new tr.model.um.AnimationExpectation(
        model, "Scroll", 0, 500));
    model.userModel.expectations.push(new tr.model.um.IdleExpectation(
        model, 500, 500));
    tr.metrics.sh.scrollPowerMetric(valueSet, model);

    assert.equal(getMetricValueSum(valueSet,
        'time:scroll'), 500);
    assert.closeTo(getMetricValueSum(valueSet,
        'energy:scroll'), 125, 0.5);
    assert.closeTo(getMetricValueAvg(valueSet,
        'power:scroll'), 250, 0.5);
  });

  test('railPowerMetric_multipleStagesEachType', function() {
    var model = new tr.Model();
    var valueSet = new tr.v.ValueSet();
    model.device.powerSeries = new tr.model.PowerSeries(model.device);
    for (var i = 0; i <= 1000; i++) {
        model.device.powerSeries.addPowerSample(i.toString(), i.toString());
    }
    model.userModel.expectations.push(new tr.model.um.AnimationExpectation(
        model, "Scroll", 0, 200));
    model.userModel.expectations.push(new tr.model.um.IdleExpectation(
        model, 200, 300));
    model.userModel.expectations.push(new tr.model.um.AnimationExpectation(
        model, "Touch, Scroll, Tap", 500, 200));
    model.userModel.expectations.push(new tr.model.um.IdleExpectation(
        model, 700, 300));
    tr.metrics.sh.scrollPowerMetric(valueSet, model);

    assert.equal(getMetricValueSum(valueSet,
        'time:scroll'), 400);
    assert.closeTo(getMetricValueSum(valueSet,
        'energy:scroll'), 140, 0.5);
    assert.closeTo(getMetricValueAvg(valueSet,
        'power:scroll'), 350, 0.5);
  });

  test('railPowerMetric_noPowerSeries', function() {
    var model = new tr.Model();
    var valueSet = new tr.v.ValueSet();
    tr.metrics.sh.scrollPowerMetric(valueSet, model);
    var powerEntries = valueSet.valueDicts.filter(
        (dict) => dict.name.indexOf('time:') === 0);
    assert.lengthOf(powerEntries, 0);
  });
});
</script>