<?php

class HTMLPurifier_Strategy_MakeWellFormed_InjectorTest extends HTMLPurifier_StrategyHarness
{

    public function setUp()
    {
        parent::setUp();
        $this->obj = new HTMLPurifier_Strategy_MakeWellFormed();
        $this->config->set('AutoFormat.AutoParagraph', true);
        $this->config->set('AutoFormat.Linkify', true);
        $this->config->set('AutoFormat.RemoveEmpty', true);
        generate_mock_once('HTMLPurifier_Injector');
    }

    public function testEndHandler()
    {
        $mock = new HTMLPurifier_InjectorMock();
        $b = new HTMLPurifier_Token_End('b');
        $b->skip = array(0 => true);
        $b->start = new HTMLPurifier_Token_Start('b');
        $b->start->skip = array(0 => true, 1 => true);
        $mock->expectAt(0, 'handleEnd', array($b));
        $i = new HTMLPurifier_Token_End('i');
        $i->start = new HTMLPurifier_Token_Start('i');
        $i->skip = array(0 => true);
        $i->start->skip = array(0 => true, 1 => true);
        $mock->expectAt(1, 'handleEnd', array($i));
        $mock->expectCallCount('handleEnd', 2);
        $mock->setReturnValue('getRewindOffset', false);
        $this->config->set('AutoFormat.AutoParagraph', false);
        $this->config->set('AutoFormat.Linkify',       false);
        $this->config->set('AutoFormat.Custom', array($mock));
        $this->assertResult('<i><b>asdf</b>', '<i><b>asdf</b></i>');
    }

    public function testErrorRequiredElementNotAllowed()
    {
        $this->config->set('HTML.Allowed', '');
        $this->expectError('Cannot enable AutoParagraph injector because p is not allowed');
        $this->expectError('Cannot enable Linkify injector because a is not allowed');
        $this->assertResult('Foobar');
    }

    public function testErrorRequiredAttributeNotAllowed()
    {
        $this->config->set('HTML.Allowed', 'a,p');
        $this->expectError('Cannot enable Linkify injector because a.href is not allowed');
        $this->assertResult('<p>http://example.com</p>');
    }

    public function testOnlyAutoParagraph()
    {
        $this->assertResult(
            'Foobar',
            '<p>Foobar</p>'
        );
    }

    public function testParagraphWrappingOnlyLink()
    {
        $this->assertResult(
            'http://example.com',
            '<p><a href="http://example.com">http://example.com</a></p>'
        );
    }

    public function testParagraphWrappingNodeContainingLink()
    {
        $this->assertResult(
            '<b>http://example.com</b>',
            '<p><b><a href="http://example.com">http://example.com</a></b></p>'
        );
    }

    public function testParagraphWrappingPoorlyFormedNodeContainingLink()
    {
        $this->assertResult(
            '<b>http://example.com',
            '<p><b><a href="http://example.com">http://example.com</a></b></p>'
        );
    }

    public function testTwoParagraphsContainingOnlyOneLink()
    {
        $this->assertResult(
            "http://example.com\n\nhttp://dev.example.com",
'<p><a href="http://example.com">http://example.com</a></p>

<p><a href="http://dev.example.com">http://dev.example.com</a></p>'
        );
    }

    public function testParagraphNextToDivWithLinks()
    {
        $this->assertResult(
            'http://example.com <div>http://example.com</div>',
'<p><a href="http://example.com">http://example.com</a> </p>

<div><a href="http://example.com">http://example.com</a></div>'
        );
    }

    public function testRealisticLinkInSentence()
    {
        $this->assertResult(
            'This URL http://example.com is what you need',
            '<p>This URL <a href="http://example.com">http://example.com</a> is what you need</p>'
        );
    }

    public function testParagraphAfterLinkifiedURL()
    {
        $this->assertResult(
"http://google.com

<b>b</b>",
"<p><a href=\"http://google.com\">http://google.com</a></p>

<p><b>b</b></p>"
        );
    }

    public function testEmptyAndParagraph()
    {
        // This is a fairly degenerate case, but it demonstrates that
        // the two don't error out together, at least.
        // Change this behavior!
        $this->assertResult(
"<p>asdf

asdf<b></b></p>

<p></p><i></i>",
"<p>asdf</p>

<p>asdf</p>

"
        );
    }

    public function testRewindAndParagraph()
    {
        $this->assertResult(
"bar

<p><i></i>

</p>

foo",
"<p>bar</p>



<p>foo</p>"
        );
    }

}

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