/**
* Creates an instance with decorators specified in a YAML file
* @param string $path The path to the file
* @return Context
* @throws Exception when the given file is not readable
*/
public static function fromYaml($path)
{
if (!is_file($path)) {
throw new Exception('File ' . $path . ' not found');
}
$parser = new Parser();
$contexts = $parser->parse(file_get_contents($path));
reset($contexts);
$mainContextName = key($contexts);
$mainContextDecorators = array_shift($contexts);
if (is_array($mainContextDecorators)) {
$mainContext = new Context($mainContextName);
$mainSelector = $mainContext->select($mainContextName);
$mainSelector->addMultiple($mainContextDecorators);
} else {
$file = dirname($path) . '/' . $mainContextDecorators . '.yaml';
if (!is_file($file)) {
throw new Exception('Cannot extend file ' . $file);
}
$mainContext = ContextFactory::fromYaml($file);
}
foreach ($contexts as $selector => $decorators) {
$selector = $mainContext->select($selector);
$selector->addMultiple($decorators);
}
return $mainContext;
}
public function testNoContentRendersEmpty()
{
$decorator = new Content('{baz}');
$context = new Context();
$context->setContent('foo', 'bar');
$decorator->context($context);
$expected = '';
$actual = $decorator->render();
$this->assertEquals($expected, $actual);
}
public function testComputedTags()
{
$context = new Context('foo');
$context->setContent(array('one' => 'value', 'two' => '', 'three' => 'value'));
$context->select('sub')->add('content', array('computedTags' => true));
$decorator = new Contexts(array('name' => 'sub', 'separator' => ';'));
$decorator->context($context);
$actual = $decorator->render();
$expected = 'first,even;empty,odd;last,even;';
$this->assertEquals($expected, $actual);
}
public function testSimple()
{
$context = new MainContext('foo');
$context->add('dummy');
$context->setContent(array('one', 'two'));
$decorator = new Contexts('foo');
$decorator->context($context);
$actual = $decorator->render();
$expected = 'dummy()dummy()';
$this->assertEquals($actual, $expected);
}
public function testComputedTagSelectors()
{
$context = new Context('baz');
$context->addComputedTag('foo');
$this->assertTrue($context->applies('baz:foo'));
$this->assertFalse($context->applies('baz:bar'));
$context->addComputedTag('bar');
$this->assertTrue($context->applies('baz:foo:bar'));
$this->assertTrue($context->applies('baz:bar:foo'));
$this->assertTrue($context->applies('baz:bar'));
$this->assertTrue($context->applies('baz:foo'));
}