Puli\Manager\Api\Repository\PathMapping::isEnabled PHP Method

    public function isEnabled()
    {
        if (null === $this->state) {
            throw new NotLoadedException('The mapping is not loaded.');
        }
        return PathMappingState::ENABLED === $this->state;
    }

 public function testLoadStoresErrorIfPackageNotFound()
 {
     $mapping = new PathMapping('/path', array('@foo:resources', 'assets'));
     $mapping->load($this->package1, $this->packages);
     $this->assertSame(array('@foo:resources', 'assets'), $mapping->getPathReferences());
     $this->assertSame(array($this->packageDir1 . '/assets'), $mapping->getFilesystemPaths());
     // there's at least one found path, so the mapping is still enabled
     $this->assertTrue($mapping->isEnabled());
     $loadErrors = $mapping->getLoadErrors();
     $this->assertCount(1, $loadErrors);
     $this->assertInstanceOf('Puli\\Manager\\Api\\Package\\NoSuchPackageException', $loadErrors[0]);
 }