public function testMakeByExistingFileModelId()
{
$oldFileContentsCount = FileContent::getCount();
$file1 = ZurmoTestHelper::createFileModel('testNote.txt');
$file2 = FileModelUtil::makeByExistingFileModelId($file1->id, true);
$file1Content = $file1->fileContent;
$file2Id = $file2->id;
$this->assertTrue($file2 !== false);
$this->assertEquals($file1->name, $file2->name);
$this->assertEquals($file1->type, $file2->type);
$this->assertEquals($file1->size, $file2->size);
$this->assertEquals($file1Content->content, $file2->fileContent->content);
// because fileContent was not replicated but referenced in file2.
$this->assertEquals($file1Content->id, $file2->fileContent->id);
$this->assertEquals($oldFileContentsCount + 1, FileContent::getCount());
$file1->delete();
FileModel::forgetAll();
$file2 = FileModel::getById($file2Id);
$this->assertEquals($file1Content->content, $file2->fileContent->content);
// deleting file1 should still preserve its content as its being used by file2.
$this->assertEquals($oldFileContentsCount + 1, FileContent::getCount());
$file2->delete();
// deleting fil2 should get rid of the fileContent too.
$this->assertEquals($oldFileContentsCount, FileContent::getCount());
}
