Example #1
0
    def _build_data_export_folder(self, data):
        """
        This method computes the folder where results of an export operation will be 
        stored for a while (e.g until download is done; or for 1 day)
        """
        now = datetime.now()
        date_str = "%d-%d-%d_%d-%d-%d_%d" % (now.year, now.month, now.day,
                                             now.hour, now.minute, now.second,
                                             now.microsecond)
        tmp_str = date_str + "@" + data.gid
        data_export_folder = os.path.join(self.export_folder, tmp_str)
        files_helper = FilesHelper()
        files_helper.check_created(data_export_folder)

        return data_export_folder
Example #2
0
class FilesHelperTest(TransactionalTestCase):
    """
    This class contains tests for the tvb.core.entities.file.fileshelper module.
    """ 
    PROJECT_NAME = "test_proj"
           
           
    def setUp(self):
        """
        Set up the context needed by the tests.
        """
#        self.clean_database()
        self.files_helper = FilesHelper()
        self.test_user = TestFactory.create_user()
        self.test_project = TestFactory.create_project(self.test_user, self.PROJECT_NAME)
    
    
    def tearDown(self):
        """ Remove generated project during tests. """
        self.delete_project_folders()
    
    
    def test_check_created(self):
        """ Test standard flows for check created. """
        self.files_helper.check_created()
        self.assertTrue(os.path.exists(root_storage), "Storage not created!")
        
        self.files_helper.check_created(os.path.join(root_storage, "test"))
        self.assertTrue(os.path.exists(root_storage), "Storage not created!")
        self.assertTrue(os.path.exists(os.path.join(root_storage, "test")), "Test directory not created!")
            
    
    def test_get_project_folder(self):
        """
        Test the get_project_folder method which should create a folder in case
        it doesn't already exist.
        """
        project_path = self.files_helper.get_project_folder(self.test_project)
        self.assertTrue(os.path.exists(project_path), "Folder doesn't exist")
        
        folder_path = self.files_helper.get_project_folder(self.test_project, "43")
        self.assertTrue(os.path.exists(project_path), "Folder doesn't exist")
        self.assertTrue(os.path.exists(folder_path), "Folder doesn't exist")
        
   
    def test_rename_project_structure(self):
        """ Try to rename the folder structure of a project. Standard flow. """
        self.files_helper.get_project_folder(self.test_project)
        path, name = self.files_helper.rename_project_structure(self.test_project.name, "new_name")
        self.assertNotEqual(path, name, "Rename didn't take effect.")


    def test_rename_structure_same_name(self):
        """ Try to rename the folder structure of a project. Same name. """
        self.files_helper.get_project_folder(self.test_project)
        
        self.assertRaises(FileStructureException, self.files_helper.rename_project_structure, 
                          self.test_project.name, self.PROJECT_NAME)


    def test_remove_project_structure(self):
        """ Check that remove project structure deletes the corresponding folder. Standard flow. """
        full_path = self.files_helper.get_project_folder(self.test_project)
        self.assertTrue(os.path.exists(full_path), "Folder was not created.")
        
        self.files_helper.remove_project_structure(self.test_project.name)
        self.assertFalse(os.path.exists(full_path), "Project folder not deleted.")
        
    
    def test_write_project_metadata(self):
        """  Write XML for test-project. """
        self.files_helper.write_project_metadata(self.test_project)
        expected_file = self.files_helper.get_project_meta_file_path(self.PROJECT_NAME)
        self.assertTrue(os.path.exists(expected_file))
        project_meta = XMLReader(expected_file).read_metadata()
        loaded_project = model.Project(None, None)
        loaded_project.from_dict(project_meta, self.test_user.id)
        self.assertEqual(self.test_project.name, loaded_project.name)
        self.assertEqual(self.test_project.description, loaded_project.description)
        self.assertEqual(self.test_project.gid, loaded_project.gid)
        expected_dict = self.test_project.to_dict()[1]
        del expected_dict['last_updated']
        found_dict = loaded_project.to_dict()[1]
        del found_dict['last_updated']
        self.assertEqual(expected_dict, found_dict)
    
    
    def test_write_operation_metadata(self):
        """
        Test that a correct XML is created for an operation.
        """
        operation = TestFactory.create_operation(test_user=self.test_user, test_project=self.test_project)
        expected_file = self.files_helper.get_operation_meta_file_path(self.PROJECT_NAME, operation.id)
        self.assertFalse(os.path.exists(expected_file))
        self.files_helper.write_operation_metadata(operation)
        self.assertTrue(os.path.exists(expected_file))
        operation_meta = XMLReader(expected_file).read_metadata()
        loaded_operation = model.Operation(None, None, None, None)
        loaded_operation.from_dict(operation_meta, dao)
        expected_dict = operation.to_dict()[1]
        found_dict = loaded_operation.to_dict()[1]
        for key, value in expected_dict.iteritems():
            self.assertEqual(str(value), str(found_dict[key]))
        # Now validate that operation metaData can be also updated
        self.assertNotEqual("new_group_name", found_dict['user_group'])
        self.files_helper.update_operation_metadata(self.PROJECT_NAME, "new_group_name", operation.id) 
        found_dict = XMLReader(expected_file).read_metadata()  
        self.assertEqual("new_group_name", found_dict['user_group'])
        
    
    def test_remove_dt_happy_flow(self):
        """
        Happy flow for removing a file related to a DataType.
        """
        folder_path = self.files_helper.get_project_folder(self.test_project, "42")
        datatype = MappedType()
        datatype.storage_path = folder_path
        open(datatype.get_storage_file_path(), 'w') 
        self.assertTrue(os.path.exists(datatype.get_storage_file_path()), "Test file was not created!")
        self.files_helper.remove_datatype(datatype) 
        self.assertFalse(os.path.exists(datatype.get_storage_file_path()), "Test file was not deleted!")      
        
        
    def test_remove_dt_non_existent(self):
        """
        Try to call remove on a dataType with no H5 file.
        Should throw an exception.
        """
        folder_path = self.files_helper.get_project_folder(self.test_project, "42")
        datatype = MappedType()
        datatype.storage_path = folder_path
        self.assertFalse(os.path.exists(datatype.get_storage_file_path()))
        self.assertRaises(FileStructureException, self.files_helper.remove_datatype, datatype)
        

    def test_move_datatype(self):
        """
        Make sure associated H5 file is moved to a correct new location.
        """
        folder_path = self.files_helper.get_project_folder(self.test_project, "42")
        datatype = MappedType()
        datatype.storage_path = folder_path
        open(datatype.get_storage_file_path(), 'w') 
        self.assertTrue(os.path.exists(datatype.get_storage_file_path()), "Test file was not created!")
        self.files_helper.move_datatype(datatype, self.PROJECT_NAME + '11', "43") 
        
        self.assertFalse(os.path.exists(datatype.get_storage_file_path()), "Test file was not moved!")
        datatype.storage_path = self.files_helper.get_project_folder(self.PROJECT_NAME + '11', "43")
        self.assertTrue(os.path.exists(datatype.get_storage_file_path()), "Test file was not created!")
        
        
    def test_find_relative_path(self):
        rel_path = self.files_helper.find_relative_path("/root/up/to/here/test/it/now", "/root/up/to/here")
        self.assertEqual(rel_path, os.sep.join(["test", "it", "now"]), "Did not extract relative path as expected.")
        
        
    def test_remove_files_valid(self):
        """
        Pass a valid list of files and check they are all removed.
        """
        file_list = ["test1", "test2", "test3"]
        for file_n in file_list:
            fp = open(file_n, 'w')
            fp.write('test')
            fp.close()
        for file_n in file_list:
            self.assertTrue(os.path.isfile(file_n))
        self.files_helper.remove_files(file_list)
        for file_n in file_list:
            self.assertFalse(os.path.isfile(file_n))


    def test_remove_folder(self):
        """
        Pass an open file pointer, but ignore exceptions.
        """
        folder_name = "test_folder"
        os.mkdir(folder_name)
        self.assertTrue(os.path.isdir(folder_name), "Folder should be created.")
        self.files_helper.remove_folder(folder_name)
        self.assertFalse(os.path.isdir(folder_name), "Folder should be deleted.")
        
    def test_remove_folder_non_existing_ignore_exc(self):
        """
        Pass an open file pointer, but ignore exceptions.
        """
        folder_name = "test_folder"
        self.assertFalse(os.path.isdir(folder_name), "Folder should not exist before call.")
        self.files_helper.remove_folder(folder_name, ignore_errors=True)
        
        
    def test_remove_folder_non_existing(self):
        """
        Pass an open file pointer, but ignore exceptions.
        """
        folder_name = "test_folder"
        self.assertFalse(os.path.isdir(folder_name), "Folder should not exist before call.")
        self.assertRaises(FileStructureException, self.files_helper.remove_folder, folder_name, False)