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Copyright (C) 2016 The Android Open Source Project
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<meta name="viewport" content="width=device-width, minimum-scale=1.0, initial-scale=1.0, user-scalable=yes">
<title>gr-annotation</title>
<script src="../../../bower_components/webcomponentsjs/webcomponents-lite.min.js"></script>
<script src="../../../bower_components/web-component-tester/browser.js"></script>
<script src="gr-annotation.js"></script>
<link rel="import" href="../../../bower_components/iron-test-helpers/iron-test-helpers.html">
<script>void(0);</script>
<test-fixture id="basic">
<template>
<div>Lorem ipsum dolor sit amet, suspendisse inceptos vehicula</div>
</template>
</test-fixture>
<script>
suite('annotation', function() {
var str;
var parent;
var textNode;
setup(function() {
parent = fixture('basic');
textNode = parent.childNodes[0];
str = textNode.textContent;
});
test('_annotateText Case 1', function() {
GrAnnotation._annotateText(textNode, 0, str.length, 'foobar');
assert.equal(parent.childNodes.length, 1);
assert.instanceOf(parent.childNodes[0], HTMLElement);
assert.equal(parent.childNodes[0].className, 'foobar');
assert.instanceOf(parent.childNodes[0].childNodes[0], Text);
assert.equal(parent.childNodes[0].childNodes[0].textContent, str);
});
test('_annotateText Case 2', function() {
var length = 12;
var substr = str.substr(0, length);
var remainder = str.substr(length);
GrAnnotation._annotateText(textNode, 0, length, 'foobar');
assert.equal(parent.childNodes.length, 2);
assert.instanceOf(parent.childNodes[0], HTMLElement);
assert.equal(parent.childNodes[0].className, 'foobar');
assert.instanceOf(parent.childNodes[0].childNodes[0], Text);
assert.equal(parent.childNodes[0].childNodes[0].textContent, substr);
assert.instanceOf(parent.childNodes[1], Text);
assert.equal(parent.childNodes[1].textContent, remainder);
});
test('_annotateText Case 3', function() {
var index = 12;
var length = str.length - index;
var remainder = str.substr(0, index);
var substr = str.substr(index);
GrAnnotation._annotateText(textNode, index, length, 'foobar');
assert.equal(parent.childNodes.length, 2);
assert.instanceOf(parent.childNodes[0], Text);
assert.equal(parent.childNodes[0].textContent, remainder);
assert.instanceOf(parent.childNodes[1], HTMLElement);
assert.equal(parent.childNodes[1].className, 'foobar');
assert.instanceOf(parent.childNodes[1].childNodes[0], Text);
assert.equal(parent.childNodes[1].childNodes[0].textContent, substr);
});
test('_annotateText Case 4', function() {
var index = str.indexOf('dolor');
var length = 'dolor '.length;
var remainderPre = str.substr(0, index);
var substr = str.substr(index, length);
var remainderPost = str.substr(index + length);
GrAnnotation._annotateText(textNode, index, length, 'foobar');
assert.equal(parent.childNodes.length, 3);
assert.instanceOf(parent.childNodes[0], Text);
assert.equal(parent.childNodes[0].textContent, remainderPre);
assert.instanceOf(parent.childNodes[1], HTMLElement);
assert.equal(parent.childNodes[1].className, 'foobar');
assert.instanceOf(parent.childNodes[1].childNodes[0], Text);
assert.equal(parent.childNodes[1].childNodes[0].textContent, substr);
assert.instanceOf(parent.childNodes[2], Text);
assert.equal(parent.childNodes[2].textContent, remainderPost);
});
test('_annotateElement design doc example', function() {
var layers = [
'amet, ',
'inceptos ',
'amet, ',
'et, suspendisse ince'
];
// Apply the layers successively.
layers.forEach(function(layer, i) {
GrAnnotation.annotateElement(
parent, str.indexOf(layer), layer.length, 'layer-' + (i + 1));
});
assert.equal(parent.textContent, str);
// Layer 1:
var layer1 = parent.querySelectorAll('.layer-1');
assert.equal(layer1.length, 1);
assert.equal(layer1[0].textContent, layers[0]);
assert.equal(layer1[0].parentElement, parent);
// Layer 2:
var layer2 = parent.querySelectorAll('.layer-2');
assert.equal(layer2.length, 1);
assert.equal(layer2[0].textContent, layers[1]);
assert.equal(layer2[0].parentElement, parent);
// Layer 3:
var layer3 = parent.querySelectorAll('.layer-3');
assert.equal(layer3.length, 1);
assert.equal(layer3[0].textContent, layers[2]);
assert.equal(layer3[0].parentElement, layer1[0]);
// Layer 4:
var layer4 = parent.querySelectorAll('.layer-4');
assert.equal(layer4.length, 3);
assert.equal(layer4[0].textContent, 'et, ');
assert.equal(layer4[0].parentElement, layer3[0]);
assert.equal(layer4[1].textContent, 'suspendisse ');
assert.equal(layer4[1].parentElement, parent);
assert.equal(layer4[2].textContent, 'ince');
assert.equal(layer4[2].parentElement, layer2[0]);
assert.equal(layer4[0].textContent +
layer4[1].textContent +
layer4[2].textContent,
layers[3]);
});
test('splitTextNode', function() {
var helloString = 'hello';
var asciiString = 'ASCII';
var unicodeString = 'Unic💢de';
var node;
var tail;
// Non-unicode path:
node = document.createTextNode(helloString + asciiString);
tail = GrAnnotation.splitTextNode(node, helloString.length);
assert(node.textContent, helloString);
assert(tail.textContent, asciiString);
// Unicdoe path:
node = document.createTextNode(helloString + unicodeString);
tail = GrAnnotation.splitTextNode(node, helloString.length);
assert(node.textContent, helloString);
assert(tail.textContent, unicodeString);
});
});
</script>