You are an expert in writing code in many different languages. Your goal is to perform code completion for the following code, keeping in mind the rest of the code and the file meta data.
    Metadata details:
    filename: sanitizer_test.go
    path of file: ./repos/gitea/modules/markup
    
    the code of the file until where you have to start completion: // Copyright 2017 The Gitea Authors. All rights reserved.
// Copyright 2017 The Gogs Authors. All rights reserved.
// SPDX-License-Identifier: MIT

package markup

import (
	"html/template"
	"strings"
	"testing"

	"github.com/stretchr/testify/assert"
)

func Test_Sanitizer(t *testing.T) {
	NewSanitizer()
	testCases := []string{
		// Regular
		`<a onblur="alert(secret)" href="http://www.google.com">Google</a>`, `<a href="http://www.google.com" rel="nofollow">Google</a>`,

		// Code highlighting class
		`<code class="random string"></code>`, `<code></code>`,
		`<code class="language-random ui tab active menu attached animating sidebar following bar center"></code>`, `<code></code>`,
		`<code class="language-go"></code>`, `<code class="language-go"></code>`,

		// Input checkbox
		`<input type="hidden">`, ``,
		`<input type="checkbox">`, `<input type="checkbox">`,
		`<input checked disabled autofocus>`, `<input checked="" disabled="">`,

		// Code highlight injection
		`<code class="language-random&#32;ui&#32;tab&#32;active&#32;menu&#32;attached&#32;animating&#32;sidebar&#32;following&#32;bar&#32;center"></code>`, `<code></code>`,
		`<code class="language-lol&#32;ui&#32;tab&#32;active&#32;menu&#32;attached&#32;animating&#32;sidebar&#32;following&#32;bar&#32;center">
<code class="language-lol&#32;ui&#32;container&#32;input&#32;huge&#32;basic&#32;segment&#32;center">&nbsp;</code>
<img src="https://try.gogs.io/img/favicon.png" width="200" height="200">
<code class="language-lol&#32;ui&#32;container&#32;input&#32;massive&#32;basic&#32;segment">Hello there! Something has gone wrong, we are working on it.</code>
<code class="language-lol&#32;ui&#32;container&#32;input&#32;huge&#32;basic&#32;segment">In the meantime, play a game with us at&nbsp;<a href="http://example.com/">example.com</a>.</code>
</code>`, "<code>\n<code>\u00a0</code>\n<img src=\"https://try.gogs.io/img/favicon.png\" width=\"200\" height=\"200\">\n<code>Hello there! Something has gone wrong, we are working on it.</code>\n<code>In the meantime, play a game with us at\u00a0<a href=\"http://example.com/\" rel=\"nofollow\">example.com</a>.</code>\n</code>",

		// <kbd> tags
		`<kbd>Ctrl + C</kbd>
    
func Test_Sanitizer(t *testing.T) {
	NewSanitizer()
	testCases := []string{
		// Regular
		`<a onblur="alert(secret)" href="http://www.google.com">Google</a>`, `<a href="http://www.google.com" rel="nofollow">Google</a>`,

		// Code highlighting class
		`<code class="random string"></code>`, `<code></code>`,
		`<code class="language-random ui tab active menu attached animating sidebar following bar center"></code>`, `<code></code>`,
		`<code class="language-go"></code>`, `<code class="language-go"></code>`,

		// Input checkbox
		`<input type="hidden">`, ``,
		`<input type="checkbox">`, `<input type="checkbox">`,
		`<input checked disabled autofocus>`, `<input checked="" disabled="">`,

		// Code highlight injection
		`<code class="language-random&#32;ui&#32;tab&#32;active&#32;menu&#32;attached&#32;animating&#32;sidebar&#32;following&#32;bar&#32;center"></code>`, `<code></code>`,
		`<code class="language-lol&#32;ui&#32;tab&#32;active&#32;menu&#32;attached&#32;animating&#32;sidebar&#32;following&#32;bar&#32;center">
<code class="language-lol&#32;ui&#32;container&#32;input&#32;huge&#32;basic&#32;segment&#32;center">&nbsp;</code>
<img src="https://try.gogs.io/img/favicon.png" width="200" height="200">
<code class="language-lol&#32;ui&#32;container&#32;input&#32;massive&#32;basic&#32;segment">Hello there! Something has gone wrong, we are working on it.</code>
<code class="language-lol&#32;ui&#32;container&#32;input&#32;huge&#32;basic&#32;segment">In the meantime, play a game with us at&nbsp;<a href="http://example.com/">example.com</a>.</code>
</code>`, "<code>\n<code>\u00a0</code>\n<img src=\"https://try.gogs.io/img/favicon.png\" width=\"200\" height=\"200\">\n<code>Hello there! Something has gone wrong, we are working on it.</code>\n<code>In the meantime, play a game with us at\u00a0<a href=\"http://example.com/\" rel=\"nofollow\">example.com</a>.</code>\n</code>",

		// <kbd> tags
		`<kbd>Ctrl + C</kbd>`, `<kbd>Ctrl + C</kbd>`,
		`<i class="dropdown icon">NAUGHTY</i>`, `<i>NAUGHTY</i>`,
		`<i class="icon dropdown"></i>`, `<i class="icon dropdown"></i>`,
		`<input type="checkbox" disabled=""/>unchecked`, `<input type="checkbox" disabled=""/>unchecked`,
		`<span class="emoji dropdown">NAUGHTY</span>`, `<span>NAUGHTY</span>`,
		`<span class="emoji">contents</span>`, `<span class="emoji">contents</span>`,

		// Color property
		`<span style="color: red">Hello World</span>`, `<span style="color: red">Hello World</span>`,
		`<p style="color: red">Hello World</p>`, `<p style="color: red">Hello World</p>`,
		`<code style="color: red">Hello World</code>`, `<code>Hello World</code>`,
		`<span style="bad-color: red">Hello World</span>`, `<span>Hello World</span>`,
		`<p style="bad-color: red">Hello World</p>`, `<p>Hello World</p>`,
		`<code style="bad-color: red">Hello World</code>`, `<code>Hello World</code>`,

		// Org mode status of list items.
		`<li class="checked"></li>`, `<li class="checked"></li>`,
		`<li class="unchecked"></li>`, `<li class="unchecked"></li>`,
		`<li class="indeterminate"></li>`, `<li class="indeterminate"></li>`,

		// URLs
		`<a href="cbthunderlink://somebase64string)">my custom URL scheme</a>`, `<a href="cbthunderlink://somebase64string)" rel="nofollow">my custom URL scheme</a>`,
		`<a href="matrix:roomid/psumPMeAfzgAeQpXMG:feneas.org?action=join">my custom URL scheme</a>`, `<a href="matrix:roomid/psumPMeAfzgAeQpXMG:feneas.org?action=join" rel="nofollow">my custom URL scheme</a>`,

		// Disallow dangerous url schemes
		`<a href="javascript:alert('xss')">bad</a>`, `bad`,
		`<a href="vbscript:no">bad</a>`, `bad`,
		`<a href="data:1234">bad</a>`, `bad`,
	}

	for i := 0; i < len(testCases); i += 2 {
		assert.Equal(t, testCases[i+1], Sanitize(testCases[i]))
	}
}