function testPHPExtension()
{
// Testing PHPExtension existence and version is quite hard to do. Indeed,
// it depends what the installed extensions are on the computers running the tests.
// Thus, I decided to use the DOM extension as a test. I've never seen a PHP installation
// without the DOM extension. It comes built-in except if you compile PHP with the
// --disable-dom directive.
// core tests.
$ext = new common_configuration_PHPExtension(null, null, 'dom');
$this->assertEquals($ext->getMin(), null);
$this->assertEquals($ext->getMax(), null);
$this->assertEquals($ext->getName(), 'dom');
$this->assertEquals($ext->isOptional(), false);
$ext->setMin('1.0');
$this->assertEquals($ext->getMin(), '1.0');
$ext->setMax('2.0');
$this->assertEquals($ext->getMax(), '2.0');
$ext->setName('foobar');
$this->assertEquals($ext->getName(), 'foobar');
// test with an extension that has no version information (hash) that
// contains hash functions such as md5().
// We consider that if there is no version information but the extension
// is loaded, the report is always valid even if min and/or max version(s)
// are specified.
$ext = new common_configuration_PHPExtension(null, null, 'hash');
$report = $ext->check();
$this->assertEquals($report->getStatus(), common_configuration_Report::VALID);
$ext->setMin('1.0');
$report = $ext->check();
$this->assertEquals($report->getStatus(), common_configuration_Report::VALID);
$ext->setMax('2.0');
$report = $ext->check();
$this->assertEquals($report->getStatus(), common_configuration_Report::VALID);
$ext->setMin(null);
$report = $ext->check();
$this->assertEquals($report->getStatus(), common_configuration_Report::VALID);
// test with the dom extension that has version information.
$ext = new common_configuration_PHPExtension('19851127', '20090601', 'dom');
$report = $ext->check();
$this->assertEquals($report->getStatus(), common_configuration_Report::VALID);
$ext->setMin('20050112');
$report = $ext->check();
$this->assertEquals($report->getStatus(), common_configuration_Report::INVALID);
$ext->setMin(null);
$ext->setMax('20020423');
$report = $ext->check();
$this->assertEquals($report->getStatus(), common_configuration_Report::INVALID);
$ext->setMin('20010731');
$ext->setMax(null);
$report = $ext->check();
$this->assertEquals($report->getStatus(), common_configuration_Report::VALID);
// Unexisting extension.
$ext = new common_configuration_PHPExtension('1.0', '1.4', 'foobar');
$report = $ext->check();
$this->assertEquals($report->getStatus(), common_configuration_Report::UNKNOWN);
}
