/**
* Tests getting a new wrapper instance
*
* Tests WP_Stream::new_wrapper_instance()
*/
public function test_new_wrapper_instance()
{
$uri = 'test://example/path1/path2/hello_world.txt';
$wrapper_object = WP_Stream::new_wrapper_instance($uri);
$this->assertTrue(is_object($wrapper_object));
unset($wrapper_object);
// Call should fail if only a scheme is provided
$this->assertFalse(WP_Stream::new_wrapper_instance('test'));
// Call should fail if no registered wrapper is available
$this->assertFalse(WP_Stream::new_wrapper_instance('hullabloothiswrapperdoesnotexist'));
}
/**
* Tests setting and getting URI
*
* Tests the $uri attribute of
*/
public function test_uri_attribute()
{
$uri = 'test://testfile.txt';
$scheme = WP_Stream::scheme($uri);
$class_name = WP_Stream::wrapper_class_name($scheme);
$instance = WP_Stream::new_wrapper_instance($uri);
$this->assertEquals($uri, $instance->get_uri());
$new_uri = 'test://testfile2.txt';
$instance->set_uri($new_uri);
$this->assertEquals($new_uri, $instance->get_uri());
}
/**
* Setup this test case
*/
function setUp()
{
// Register test stream wrapper
wp_test_stream_wrapper_register();
/**
* Initialize instance variables
*/
$wrapper = WP_Stream::new_wrapper_instance('test://');
$this->test_dir = $wrapper->get_wrapper_path();
$this->filename = 'testfile.txt';
$this->uri = 'test://' . $this->filename;
$this->path = $this->test_dir . '/' . $this->filename;
$this->expected_contents = 'The miracle is this - the more we share, the more we have. -- Leonard Nimoy';
/**
* Setup and assert starting evironment
*/
if (file_exists($this->uri)) {
unlink($this->uri);
}
$this->assertFileNotExists($this->uri);
$this->assertFileNotExists($this->path);
// Open and write to the file
$fh = fopen($this->uri, 'w');
fwrite($fh, $this->expected_contents);
fclose($fh);
$this->assertFileExists($this->path);
$this->assertEquals(filesize($this->uri), filesize($this->path));
}
/**
* Returns directory name component of path
*
* PHP's dirname() does not support stream wrappers. This helper function
* properly adds this missing support.
*
* This function is fully compatible with PHP's dirname() function and may be
* called in the same way. For example, both a URI and a normal filepath
* can be provided for the $uri parameter.
*
* @param string $uri
* the URI or path to file.
*
* @return string
* the new temporary filename, or false on failure.
*
* @link http://us2.php.net/manual/en/function.dirname.php
* @see dirname()
* @since 1.0.0
*/
function wp_dirname($uri)
{
$scheme = WP_Stream::scheme($uri);
if ($scheme && WP_Stream::scheme_valid($scheme)) {
return WP_Stream::new_wrapper_instance($scheme . '://')->dirname($uri);
} else {
return dirname($uri);
}
}
