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<!DOCTYPE html>
<!--
Copyright (c) 2013 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/base/task.html">
<link rel="import" href="/tracing/core/test_utils.html">
<link rel="import" href="/tracing/extras/importer/trace_event_importer.html">
<link rel="import" href="/tracing/model/event_set.html">
<link rel="import" href="/tracing/ui/brushing_state_controller.html">
<script>
'use strict';
tr.b.unittest.testSuite(function() {
var newSliceEx = tr.c.TestUtils.newSliceEx;
var EventSet = tr.model.EventSet;
var SelectionState = tr.model.SelectionState;
var Task = tr.b.Task;
function newSimpleFakeTimelineView() {
var m = tr.c.TestUtils.newModel(function(m) {
m.p1 = m.getOrCreateProcess(1);
m.t2 = m.p1.getOrCreateThread(2);
m.sA = m.t2.sliceGroup.pushSlice(
newSliceEx({title: 'a', start: 0, end: 5}));
m.sB = m.t2.sliceGroup.pushSlice(
newSliceEx({title: 'b', start: 10, end: 15}));
m.sC = m.t2.sliceGroup.pushSlice(
newSliceEx({title: 'c', start: 20, end: 20}));
});
// Fake timeline view. So fake its ... just wow.
var timelineView = {
model: m
};
return timelineView;
}
function doesCauseChangeToFire(brushingStateController, cb, opt_this) {
var didFire = false;
function didFireCb() {
didFire = true;
};
brushingStateController.addEventListener('change', didFireCb);
cb.call(opt_this);
brushingStateController.removeEventListener('change', didFireCb);
return didFire;
}
test('simpleStateChanges', function() {
var timelineView = newSimpleFakeTimelineView();
var brushingStateController =
new tr.c.BrushingStateController(timelineView);
var m = timelineView.model;
// Setting empty brushing state doesn't cause change event. This behavior
// is triggered when the user tries to search for something when no trace
// has been loaded yet in chrome://tracing.
var bs0 = new tr.ui.b.BrushingState();
assert.isFalse(doesCauseChangeToFire(
brushingStateController,
function() {
brushingStateController.currentBrushingState = bs0;
}));
assert.isFalse(bs0.isAppliedToModel);
assert.strictEqual(brushingStateController.currentBrushingState, bs0);
// Setting causes change.
var bs1 = new tr.ui.b.BrushingState();
bs1.selection = new EventSet([m.sA]);
assert.isTrue(doesCauseChangeToFire(
brushingStateController,
function() {
brushingStateController.currentBrushingState = bs1;
}));
assert.isTrue(bs1.isAppliedToModel);
// Setting value equivalent doesn't cause change event.
var bs2 = bs1.clone();
assert.isFalse(doesCauseChangeToFire(
brushingStateController,
function() {
brushingStateController.currentBrushingState = bs2;
}));
assert.equal(brushingStateController.currentBrushingState, bs2);
assert.isTrue(
brushingStateController.currentBrushingState.isAppliedToModel);
// Setting to something different unapplies the old bs.
var bs3 = new tr.ui.b.BrushingState();
bs3.findMatches = new EventSet([m.sA, m.sB]);
brushingStateController.currentBrushingState = bs3;
assert.isTrue(bs3.isAppliedToModel);
assert.isFalse(bs2.isAppliedToModel);
});
test('modelCausesStateChange', function() {
var timelineView = newSimpleFakeTimelineView();
var brushingStateController =
new tr.c.BrushingStateController(timelineView);
var m1 = timelineView.model;
var bs1 = new tr.ui.b.BrushingState();
bs1.selection = new EventSet([m1.sA]);
// Change the model.
var m2 = tr.c.TestUtils.newModel(function(m) {
m.p1 = m.getOrCreateProcess(1);
m.t2 = m.p1.getOrCreateThread(2);
m.sA = m.t2.sliceGroup.pushSlice(
newSliceEx({title: 'a', start: 0, end: 5}));
});
assert.isTrue(doesCauseChangeToFire(
brushingStateController,
function() {
brushingStateController.modelWillChange();
timelineView.model = m2;
brushingStateController.modelDidChange();
}));
assert.equal(
brushingStateController.currentBrushingState.selection.length, 0);
});
function addChildDiv(element) {
var child = element.ownerDocument.createElement('div');
element.appendChild(child);
return child;
}
function addShadowChildDiv(element) {
var shadowRoot = element.createShadowRoot();
return addChildDiv(shadowRoot);
}
if (!tr.isHeadless) {
test('getControllerForElement_none', function() {
var element = document.createElement('div');
assert.isUndefined(
tr.c.BrushingStateController.getControllerForElement(element));
});
test('getControllerForElement_self', function() {
var controller = new tr.c.BrushingStateController(undefined);
var element = document.createElement('div');
element.brushingStateController = controller;
assert.strictEqual(
tr.c.BrushingStateController.getControllerForElement(element),
controller);
});
test('getControllerForElement_ancestor', function() {
var controller = new tr.c.BrushingStateController(undefined);
var ancestor = document.createElement('div');
ancestor.brushingStateController = controller;
var element = addChildDiv(addChildDiv(addChildDiv(ancestor)));
assert.strictEqual(
tr.c.BrushingStateController.getControllerForElement(element),
controller);
});
test('getControllerForElement_host', function() {
var controller = new tr.c.BrushingStateController(undefined);
var host = document.createElement('div');
host.brushingStateController = controller;
var element = addShadowChildDiv(host);
assert.strictEqual(
tr.c.BrushingStateController.getControllerForElement(element),
controller);
});
test('getControllerForElement_hierarchy', function() {
var controller1 = new tr.c.BrushingStateController(undefined);
var root = document.createElement('div');
root.brushingStateController = controller1;
var controller2 = new tr.c.BrushingStateController(undefined);
var child = addChildDiv(root);
child.brushingStateController = controller2;
var controller3 = new tr.c.BrushingStateController(undefined);
var shadowChild = addShadowChildDiv(child);
shadowChild.brushingStateController = controller3;
var element = addChildDiv(addChildDiv(addShadowChildDiv(
addChildDiv(addChildDiv(addShadowChildDiv(
addChildDiv(shadowChild)))))));
assert.strictEqual(
tr.c.BrushingStateController.getControllerForElement(element),
controller3);
});
}
});
</script>
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