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marked-element.html
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<!doctype html>
<!--
@license
Copyright (c) 2015 The Polymer Project Authors. All rights reserved.
This code may only be used under the BSD style license found at http://polymer.github.io/LICENSE.txt
The complete set of authors may be found at http://polymer.github.io/AUTHORS.txt
The complete set of contributors may be found at http://polymer.github.io/CONTRIBUTORS.txt
Code distributed by Google as part of the polymer project is also
subject to an additional IP rights grant found at http://polymer.github.io/PATENTS.txt
-->
<html>
<head>
<meta charset="UTF-8">
<title>marked-element basic tests</title>
<meta name="viewport" content="width=device-width, initial-scale=1.0, maximum-scale=1.0">
<script src="../node_modules/@webcomponents/webcomponentsjs/webcomponents-bundle.js"></script>
<script src="../node_modules/wct-browser-legacy/browser.js"></script>
</head>
<body>
<test-fixture id="NoContent">
<template>
<marked-element>
<div id="output" slot="markdown-html"></div>
<script type="text/markdown">
</script>
</marked-element>
</template>
</test-fixture>
<test-fixture id="SmartyPants">
<template>
<marked-element smartypants>
<div id="output" slot="markdown-html"></div>
<script type="text/markdown">
# foo
...
</script>
</marked-element>
</template>
</test-fixture>
<test-fixture id="CamelCaseHTML">
<template>
<marked-element>
<div id="output" slot="markdown-html"></div>
<script type="text/markdown">
```html
<div camelCase></div>
```
</script>
</marked-element>
</template>
</test-fixture>
<test-fixture id="BadHTML">
<template>
<marked-element>
<div id="output" slot="markdown-html"></div>
<script type="text/markdown">
```html
<p><div></p></div>
```
</script>
</marked-element>
</template>
</test-fixture>
<test-fixture id="CamelCaseHTMLWithoutChild">
<template>
<marked-element>
<script type="text/markdown">
```html
<div camelCase></div>
```
</script>
</marked-element>
</template>
</test-fixture>
<test-fixture id="BadHTMLWithoutChild">
<template>
<marked-element>
<script type="text/markdown">
```html
<p><div></p></div>
```
</script>
</marked-element>
</template>
</test-fixture>
<test-fixture id="Renderer">
<template>
<marked-element>
<div id="output" slot="markdown-html"></div>
<script type="text/markdown">
[Link](http://url.com)
</script>
</marked-element>
</template>
</test-fixture>
<test-fixture id="Sanitizer">
<template>
<marked-element sanitize>
<div id="output" slot="markdown-html"></div>
<script type="text/markdown">
[Link](http://url.com" onclick="alert(1)")
<a href="http://url.com" onclick="alert(1)">Link</a>
```html
<a href="http://url.com" onclick="alert(1)">Link</a>
```
</script>
</marked-element>
</template>
</test-fixture>
<test-fixture id="CustomCallbackFunction">
<template>
<marked-element>
<div id="output" slot="markdown-html"></div>
<script type="text/markdown">
Some content
</script>
</marked-element>
</template>
</test-fixture>
<test-fixture id="RemoteContent">
<template>
<marked-element>
<div id="output" slot="markdown-html"></div>
<script type="text/markdown" src="test.md">
# Loading
Please wait...
</script>
</marked-element>
</template>
</test-fixture>
<test-fixture id="BadRemoteContent">
<template>
<marked-element>
<div id="output" slot="markdown-html"></div>
<script type="text/markdown" src="test3.md"></script>
</marked-element>
</template>
</test-fixture>
<test-fixture id="ChangingRemoteContent">
<template>
<dom-bind>
<template is="dom-bind">
<marked-element id="markedElement">
<div id="output" slot="markdown-html"></div>
<script type="text/markdown" src$="[[source]]">
# Loading
Please wait...
</script>
</marked-element>
</template>
</dom-bind>
</template>
</test-fixture>
<test-fixture id="SanitizedRemoteContent">
<template>
<marked-element>
<div id="output" slot="markdown-html"></div>
<script type="text/markdown" src="remoteSanitization.md"></script>
</marked-element>
</template>
</test-fixture>
<test-fixture id="UnsanitizedRemoteContent">
<template>
<marked-element disable-remote-sanitization>
<div id="output" slot="markdown-html"></div>
<script type="text/markdown" src="remoteSanitization.md"></script>
</marked-element>
</template>
</test-fixture>
<script type="module">
import '@polymer/polymer/polymer-legacy.js';
import '../marked-element.js';
import {dom, flush} from '@polymer/polymer/lib/legacy/polymer.dom.js';
// Thanks IE10.
function isHidden(element) {
var rect = element.getBoundingClientRect();
return (rect.width == 0 && rect.height == 0);
}
// Replace reserved HTML characters with their character entity equivalents to
// match the transform done by Markdown.
//
// The Marked library itself is not used because it wraps code blocks in
// `<code><pre>`, which is superfluous for testing purposes.
function escapeHTML(string) {
var span = document.createElement('span');
span.textContent = string;
return span.innerHTML;
}
suite('<marked-element> has some options of marked available', function() {
var markedElement;
var outputElement;
setup(function() {
markedElement = fixture('SmartyPants');
outputElement = document.getElementById('output');
});
test('has sanitize', function() {
expect(markedElement.sanitize).to.equal(false);
});
test('has sanitizer', function() {
expect(markedElement.sanitizer).to.equal(null);
});
test('has pedantic', function() {
expect(markedElement.pedantic).to.equal(false);
});
test('has breaks', function() {
expect(markedElement.breaks).to.equal(false);
});
test('has smartypants', function() {
expect(markedElement.smartypants).to.equal(true);
});
});
suite('<marked-element> has some options of marked available', function() {
var markedElement;
var proofElement;
var outputElement;
setup(function() {
markedElement = fixture('CustomCallbackFunction');
proofElement = document.createElement('div');
outputElement = document.getElementById('output');
});
test('calls callback after render', function() {
proofElement.innerHTML = '<div>Overridden!</div>'
markedElement.callback = function(err, text) {
assert.equal(text, '<p>Some content</p>\n');
return '<div>Overridden!</div>';
};
expect(outputElement.innerHTML).to.equal(proofElement.innerHTML);
});
});
suite('<marked-element> with .markdown-html child', function() {
suite('ignores no content', function() {
var markedElement;
var proofElement;
var outputElement;
setup(function() {
markedElement = fixture('NoContent');
proofElement = document.createElement('div');
outputElement = document.getElementById('output');
});
test('in code blocks', function() {
proofElement.innerHTML = '';
expect(outputElement).to.equal(markedElement.outputElement);
expect(isHidden(markedElement.$.content)).to.be.true;
expect(markedElement.markdown).to.equal(null);
expect(outputElement.innerHTML).to.equal(proofElement.innerHTML)
});
});
suite('respects camelCased HTML', function() {
var markedElement;
var proofElement;
var outputElement;
setup(function() {
markedElement = fixture('CamelCaseHTML');
proofElement = document.createElement('div');
outputElement = document.getElementById('output');
});
test('in code blocks', function() {
proofElement.innerHTML = '<div camelCase></div>';
expect(outputElement).to.equal(markedElement.outputElement);
expect(isHidden(markedElement.$.content)).to.be.true;
// If Markdown content were put into a `<template>` or directly into the
// DOM, it would be rendered as DOM and be converted from camelCase to
// lowercase per HTML parsing rules. By using `<script>` descendants,
// content is interpreted as plain text.
expect(proofElement.innerHTML).to.eql('<div camelcase=""></div>')
expect(outputElement.innerHTML).to.include(escapeHTML('<div camelCase>'));
});
});
suite('respects bad HTML', function() {
var markedElement;
var proofElement;
var outputElement;
setup(function() {
markedElement = fixture('BadHTML');
proofElement = document.createElement('div');
outputElement = document.getElementById('output');
});
test('in code blocks', function() {
proofElement.innerHTML = '<p><div></p></div>';
expect(outputElement).to.equal(markedElement.outputElement);
expect(isHidden(markedElement.$.content)).to.be.true;
// If Markdown content were put into a `<template>` or directly into the
// DOM, it would be rendered as DOM and close unbalanced tags. Because
// they are in code blocks they should remain as typed. Turns out, however
// IE and everybody else have slightly different opinions about how the
// incorrect HTML should be fixed. It seems that: IE says:
// <p><div></p></div> -> <p><div><p></p></div> Chrome/FF say:
// <p><div></p></div> -> <p></p><div><p></p></div>. So that's cool.
var isEqualToOneOfThem =
proofElement.innerHTML === '<p><div><p></p></div>' ||
proofElement.innerHTML === '<p></p><div><p></p></div>';
expect(isEqualToOneOfThem).be.true;
expect(outputElement.innerHTML)
.to.include(escapeHTML('<p><div></p></div>'));
});
});
});
suite('<marked-element> without .markdown-html child', function() {
suite('respects camelCased HTML', function() {
var markedElement;
var proofElement;
setup(function() {
markedElement = fixture('CamelCaseHTMLWithoutChild');
proofElement = document.createElement('div');
});
test('in code blocks', function() {
dom(proofElement).innerHTML = '<div camelCase></div>';
expect(markedElement.$.content).to.equal(markedElement.outputElement);
flush();
expect(isHidden(markedElement.$.content)).to.be.false;
// If Markdown content were put into a `<template>` or directly into the
// DOM, it would be rendered as DOM and be converted from camelCase to
// lowercase per HTML parsing rules. By using `<script>` descendants,
// content is interpreted as plain text.
expect(proofElement.innerHTML).to.eql('<div camelcase=""></div>')
expect(markedElement.$.content.innerHTML)
.to.include(escapeHTML('<div camelCase>'));
});
});
suite('respects bad HTML', function() {
var markedElement;
var proofElement;
setup(function() {
markedElement = fixture('BadHTMLWithoutChild');
proofElement = document.createElement('div');
});
test('in code blocks', function() {
proofElement.innerHTML = '<p><div></p></div>';
expect(markedElement.$.content).to.equal(markedElement.outputElement);
flush();
expect(isHidden(markedElement.$.content)).to.be.false;
// If Markdown content were put into a `<template>` or directly into the
// DOM, it would be rendered as DOM and close unbalanced tags. Because
// they are in code blocks they should remain as typed. Turns out, however
// IE and everybody else have slightly different opinions about how the
// incorrect HTML should be fixed. It seems that: IE says:
// <p><div></p></div> -> <p><div><p></p></div> Chrome/FF say:
// <p><div></p></div> -> <p></p><div><p></p></div>. So that's cool.
var isEqualToOneOfThem =
proofElement.innerHTML === '<p><div><p></p></div>' ||
proofElement.innerHTML === '<p></p><div><p></p></div>';
expect(isEqualToOneOfThem).be.true;
expect(markedElement.$.content.innerHTML)
.to.include(escapeHTML('<p><div></p></div>'));
});
});
});
suite('<marked-element> with custom sanitizer', function() {
var markedElement;
var outputElement;
var proofElement;
setup(function() {
markedElement = fixture('Sanitizer');
outputElement = document.getElementById('output');
proofElement = document.createElement('div');
});
test('takes custom sanitizer', function() {
markedElement.sanitizer = function(input) {
return input.replace(/ onclick="[^"]+"/, '');
};
proofElement.innerHTML =
'<p><a href="http://url.com" onclick="alert(1">Link</a>")\n<a href="http://url.com">Link</a></p>\n<pre><code class="lang-html"><a href="http://url.com" onclick="alert(1)">Link</a>\n</code></pre>\n';
expect(outputElement.innerHTML).to.include(proofElement.innerHTML);
});
});
suite('<marked-element> with custom renderer', function() {
var markedElement;
var outputElement;
var proofElement;
setup(function() {
markedElement = fixture('Renderer');
outputElement = document.getElementById('output');
proofElement = document.createElement('div');
});
test('takes custom link renderer', function() {
markedElement.renderer = function(renderer) {
renderer.link = (href, title, text) => {
return `<a href="${href}" target="_blank">${text}</a>`;
};
};
proofElement.innerHTML =
'<a href="http://url.com" target="_blank">Link</a>';
expect(outputElement.innerHTML).to.include(proofElement.innerHTML);
});
});
suite('<marked-element> with remote content', function() {
var markedElement;
var markedHost;
var outputElement;
var proofElement;
suite('succesful fetch', function() {
setup(function() {
markedElement = fixture('RemoteContent');
outputElement = document.getElementById('output');
proofElement = document.createElement('div');
});
test('renders remote content', function(done) {
proofElement.innerHTML =
'<h1 id="test">Test</h1>\n<p><a href="http://url.com/">Link</a></p>\n';
markedElement.addEventListener('marked-loadend', function() {
expect(outputElement.innerHTML).to.equal(proofElement.innerHTML);
done();
});
});
test('renders content while remote content is loading', function() {
proofElement.innerHTML =
'<h1 id="loading">Loading</h1>\n<p>Please wait...</p>\n';
expect(outputElement.innerHTML).to.equal(proofElement.innerHTML);
});
test('renders new remote content when src changes', function(done) {
markedElement.addEventListener('marked-loadend', function firstCheck() {
markedElement.removeEventListener('marked-loadend', firstCheck);
proofElement.innerHTML = '<h1 id="test-2">Test 2</h1>\n';
dom(markedElement).querySelector('[type="text/markdown"]').src =
'test2.md';
markedElement.addEventListener('marked-loadend', function() {
expect(outputElement.innerHTML).to.equal(proofElement.innerHTML);
done();
});
});
});
});
suite('fails to load', function() {
setup(function() {
markedElement = fixture('BadRemoteContent');
outputElement = document.getElementById('output');
proofElement = document.createElement('div');
});
test('renders error message', function(done) {
proofElement.innerHTML = '<p>Failed loading markdown source</p>\n';
markedElement.addEventListener('marked-loadend', function() {
expect(outputElement.innerHTML).to.equal(proofElement.innerHTML);
done();
});
});
test(
'doesn\'t render error message when default is prevented',
function(done) {
proofElement.innerHTML = '';
markedElement.addEventListener('marked-request-error', function(e) {
e.preventDefault();
flush();
expect(outputElement.innerHTML).to.equal(proofElement.innerHTML);
done();
});
});
});
suite('changing remote content with data binding', function() {
setup(function() {
markedHost = fixture('ChangingRemoteContent');
markedElement = markedHost.$.markedElement;
outputElement = markedHost.$.output;
proofElement = document.createElement('div');
});
test('renders remote content', function(done) {
proofElement.innerHTML =
'<h1 id="test">Test</h1>\n<p><a href="http://url.com/">Link</a></p>\n';
markedHost.source = 'test.md';
markedElement.addEventListener('marked-loadend', function firstCheck() {
expect(outputElement.innerHTML).to.equal(proofElement.innerHTML);
markedElement.removeEventListener('marked-loadend', firstCheck);
proofElement.innerHTML =
'<h1 id="test-another">Test Another</h1>\n<p><a href="http://url.com/">Link</a></p>\n';
markedHost.source = 'test1.md';
markedElement.addEventListener('marked-loadend', function() {
expect(outputElement.innerHTML).to.equal(proofElement.innerHTML);
done();
});
}.bind(this));
});
test('renders content while remote content is loading', function(done) {
proofElement.innerHTML =
'<h1 id="loading">Loading</h1>\n<p>Please wait...</p>\n';
if (outputElement.innerHTML) {
expect(outputElement.innerHTML).to.equal(proofElement.innerHTML);
done();
}
// this is async on FF and Edge
markedElement.addEventListener('marked-render-complete', function() {
expect(outputElement.innerHTML).to.equal(proofElement.innerHTML);
done();
})
});
});
suite('sanitizing remote content', function() {
suite('sanitized', function() {
setup(function() {
markedElement = fixture('SanitizedRemoteContent');
});
test('sanitizes remote content', function(done) {
outputElement = markedElement.querySelector('#output');
proofElement = document.createElement('div');
proofElement.innerHTML = '<p><div></div></p>\n';
markedElement.addEventListener('marked-loadend', function() {
assert.isTrue(markedElement.sanitize);
assert.isNotTrue(markedElement.disableRemoteSanitization);
expect(outputElement.innerHTML).to.equal(proofElement.innerHTML);
done();
});
});
});
suite('unsanitized', function() {
setup(function() {
markedElement = fixture('UnsanitizedRemoteContent');
});
test('does not sanitize remote content', function(done) {
outputElement = markedElement.querySelector('#output');
proofElement = document.createElement('div');
var div = document.createElement('div');
proofElement.innerHTML = '<div></div>';
markedElement.addEventListener('marked-loadend', function() {
assert.isNotTrue(markedElement.sanitize);
assert.isTrue(markedElement.disableRemoteSanitization);
expect(outputElement.innerHTML).to.equal(proofElement.innerHTML);
done();
});
});
});
});
});
suite('events', function() {
var markedElement;
var outputElement;
setup(function() {
markedElement = fixture('CamelCaseHTML');
outputElement = document.getElementById('output');
});
test('render() fires marked-render-complete', function(done) {
markedElement.addEventListener('marked-render-complete', function() {
expect(outputElement.innerHTML).to.not.equal('');
done();
});
markedElement.render();
});
});
</script>
</body>
</html>