/**
* @param string $uuidPrefix
*
* @return AssetMapping
*/
private function getMappingByUuidPrefix($uuidPrefix)
{
$expr = Expr::startsWith($uuidPrefix, AssetMapping::UUID);
$mappings = $this->assetManager->findAssetMappings($expr);
if (!$mappings) {
throw new RuntimeException(sprintf('The mapping with the UUID prefix "%s" does not exist.', $uuidPrefix));
}
if (count($mappings) > 1) {
throw new RuntimeException(sprintf('More than one mapping matches the UUID prefix "%s".', $uuidPrefix));
}
return reset($mappings);
}
public function testInstallNothing()
{
$this->assetManager->expects($this->once())->method('getAssetMappings')->willReturn(array());
$this->installationManager->expects($this->never())->method('prepareInstallation');
$this->installationManager->expects($this->never())->method('installResource');
$args = self::$installCommand->parseArgs(new StringArgs(''));
$expected = <<<EOF
Nothing to install.
EOF;
$this->assertSame(0, $this->handler->handleInstall($args, $this->io));
$this->assertSame($expected, $this->io->fetchOutput());
$this->assertEmpty($this->io->fetchErrors());
}