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<?php
namespace Hamcrest\Xml;
class HasXPathTest extends \Hamcrest\AbstractMatcherTest
{
protected static $xml;
protected static $doc;
protected static $html;
public static function setUpBeforeClass()
{
self::$xml = <<<XML
<?xml version="1.0"?>
<users>
<user>
<id>alice</id>
<name>Alice Frankel</name>
<role>admin</role>
</user>
<user>
<id>bob</id>
<name>Bob Frankel</name>
<role>user</role>
</user>
<user>
<id>charlie</id>
<name>Charlie Chan</name>
<role>user</role>
</user>
</users>
XML;
self::$doc = new \DOMDocument();
self::$doc->loadXML(self::$xml);
self::$html = <<<HTML
<html>
<head>
<title>Home Page</title>
</head>
<body>
<h1>Heading</h1>
<p>Some text</p>
</body>
</html>
HTML;
}
protected function createMatcher()
{
return \Hamcrest\Xml\HasXPath::hasXPath('/users/user');
}
public function testMatchesWhenXPathIsFound()
{
assertThat('one match', self::$doc, hasXPath('user[id = "bob"]'));
assertThat('two matches', self::$doc, hasXPath('user[role = "user"]'));
}
public function testDoesNotMatchWhenXPathIsNotFound()
{
assertThat(
'no match',
self::$doc,
not(hasXPath('user[contains(id, "frank")]'))
);
}
public function testMatchesWhenExpressionWithoutMatcherEvaluatesToTrue()
{
assertThat(
'one match',
self::$doc,
hasXPath('count(user[id = "bob"])')
);
}
public function testDoesNotMatchWhenExpressionWithoutMatcherEvaluatesToFalse()
{
assertThat(
'no matches',
self::$doc,
not(hasXPath('count(user[id = "frank"])'))
);
}
public function testMatchesWhenExpressionIsEqual()
{
assertThat(
'one match',
self::$doc,
hasXPath('count(user[id = "bob"])', 1)
);
assertThat(
'two matches',
self::$doc,
hasXPath('count(user[role = "user"])', 2)
);
}
public function testDoesNotMatchWhenExpressionIsNotEqual()
{
assertThat(
'no match',
self::$doc,
not(hasXPath('count(user[id = "frank"])', 2))
);
assertThat(
'one match',
self::$doc,
not(hasXPath('count(user[role = "admin"])', 2))
);
}
public function testMatchesWhenContentMatches()
{
assertThat(
'one match',
self::$doc,
hasXPath('user/name', containsString('ice'))
);
assertThat(
'two matches',
self::$doc,
hasXPath('user/role', equalTo('user'))
);
}
public function testDoesNotMatchWhenContentDoesNotMatch()
{
assertThat(
'no match',
self::$doc,
not(hasXPath('user/name', containsString('Bobby')))
);
assertThat(
'no matches',
self::$doc,
not(hasXPath('user/role', equalTo('owner')))
);
}
public function testProvidesConvenientShortcutForHasXPathEqualTo()
{
assertThat('matches', self::$doc, hasXPath('count(user)', 3));
assertThat('matches', self::$doc, hasXPath('user[2]/id', 'bob'));
}
public function testProvidesConvenientShortcutForHasXPathCountEqualTo()
{
assertThat('matches', self::$doc, hasXPath('user[id = "charlie"]', 1));
}
public function testMatchesAcceptsXmlString()
{
assertThat('accepts XML string', self::$xml, hasXPath('user'));
}
public function testMatchesAcceptsHtmlString()
{
assertThat('accepts HTML string', self::$html, hasXPath('body/h1', 'Heading'));
}
public function testHasAReadableDescription()
{
$this->assertDescription(
'XML or HTML document with XPath "/users/user"',
hasXPath('/users/user')
);
$this->assertDescription(
'XML or HTML document with XPath "count(/users/user)" <2>',
hasXPath('/users/user', 2)
);
$this->assertDescription(
'XML or HTML document with XPath "/users/user/name"'
. ' a string starting with "Alice"',
hasXPath('/users/user/name', startsWith('Alice'))
);
}
public function testHasAReadableMismatchDescription()
{
$this->assertMismatchDescription(
'XPath returned no results',
hasXPath('/users/name'),
self::$doc
);
$this->assertMismatchDescription(
'XPath expression result was <3F>',
hasXPath('/users/user', 2),
self::$doc
);
$this->assertMismatchDescription(
'XPath returned ["alice", "bob", "charlie"]',
hasXPath('/users/user/id', 'Frank'),
self::$doc
);
}
}