/**
* @covers WindowsAzure\Common\Internal\ConnectionStringSource::getDefaultSources
* @covers WindowsAzure\Common\Internal\ConnectionStringSource::_init
*/
public function testGetDefaultSources()
{
// Setup
$expectedKeys = array(ConnectionStringSource::ENVIRONMENT_SOURCE);
// Test
$actual = ConnectionStringSource::getDefaultSources();
// Assert
$keys = array_keys($actual);
$this->assertEquals(count($expectedKeys), count($keys));
for ($index = 0; $index < count($expectedKeys); $index++) {
$this->assertEquals($expectedKeys[$index], $keys[$index]);
}
}
/**
* Registers a new connection string source provider. If the source to get
* registered is a default source, only the name of the source is required.
*
* @param string $name The source name.
* @param callable $provider The source callback.
* @param boolean $prepend When true, the $provider is processed first when
* calling getConnectionString. When false (the default) the $provider is
* processed after the existing callbacks.
*
* @return none
*/
public static function registerSource($name, $provider = null, $prepend = false)
{
Validate::isString($name, 'name');
Validate::notNullOrEmpty($name, 'name');
self::_init();
$default = ConnectionStringSource::getDefaultSources();
// Try to get callback if the user is trying to register a default source.
$provider = Utilities::tryGetValue($default, $name, $provider);
Validate::notNullOrEmpty($provider, 'callback');
if ($prepend) {
self::$_sources = array_merge(array($name => $provider), self::$_sources);
} else {
self::$_sources[$name] = $provider;
}
}