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# Copyright 2019 Canonical |
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# |
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# Licensed under the Apache License, Version 2.0 (the "License"); you may |
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# not use this file except in compliance with the License. You may obtain |
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# a copy of the License at |
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# |
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# http://www.apache.org/licenses/LICENSE-2.0 |
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# |
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# Unless required by applicable law or agreed to in writing, software |
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT |
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the |
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# License for the specific language governing permissions and limitations |
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# under the License. |
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# |
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# For those usages not covered by the Apache License, Version 2.0 please |
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# contact: eduardo.sousa@canonical.com |
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## |
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|
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from io import BytesIO |
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import logging |
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import os |
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from pathlib import Path |
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import subprocess |
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import tarfile |
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import tempfile |
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from unittest.mock import Mock |
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|
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from gridfs import GridFSBucket |
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from osm_common.fsbase import FsException |
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from osm_common.fsmongo import FsMongo |
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from pymongo import MongoClient |
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import pytest |
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|
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__author__ = "Eduardo Sousa <eduardo.sousa@canonical.com>" |
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def valid_path(): |
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return tempfile.gettempdir() + "/" |
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def invalid_path(): |
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return "/#tweeter/" |
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@pytest.fixture(scope="function", params=[True, False]) |
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def fs_mongo(request, monkeypatch): |
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def mock_mongoclient_constructor(a, b): |
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pass |
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|
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def mock_mongoclient_getitem(a, b): |
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pass |
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|
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def mock_gridfs_constructor(a, b): |
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pass |
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|
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monkeypatch.setattr(MongoClient, "__init__", mock_mongoclient_constructor) |
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monkeypatch.setattr(MongoClient, "__getitem__", mock_mongoclient_getitem) |
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monkeypatch.setattr(GridFSBucket, "__init__", mock_gridfs_constructor) |
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fs = FsMongo(lock=request.param) |
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fs.fs_connect({"path": valid_path(), "uri": "mongo:27017", "collection": "files"}) |
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return fs |
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def generic_fs_exception_message(message): |
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return "storage exception {}".format(message) |
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def fs_connect_exception_message(path): |
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return "storage exception Invalid configuration param at '[storage]': path '{}' does not exist".format( |
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path |
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) |
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def file_open_file_not_found_exception(storage): |
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f = storage if isinstance(storage, str) else "/".join(storage) |
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return "storage exception File {} does not exist".format(f) |
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def file_open_io_exception(storage): |
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f = storage if isinstance(storage, str) else "/".join(storage) |
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return "storage exception File {} cannot be opened".format(f) |
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def dir_ls_not_a_directory_exception(storage): |
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f = storage if isinstance(storage, str) else "/".join(storage) |
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return "storage exception File {} does not exist".format(f) |
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def dir_ls_io_exception(storage): |
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f = storage if isinstance(storage, str) else "/".join(storage) |
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return "storage exception File {} cannot be opened".format(f) |
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def file_delete_exception_message(storage): |
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return "storage exception File {} does not exist".format(storage) |
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def test_constructor_without_logger(): |
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fs = FsMongo() |
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assert fs.logger == logging.getLogger("fs") |
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assert fs.path is None |
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assert fs.client is None |
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assert fs.fs is None |
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def test_constructor_with_logger(): |
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logger_name = "fs_mongo" |
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fs = FsMongo(logger_name=logger_name) |
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assert fs.logger == logging.getLogger(logger_name) |
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assert fs.path is None |
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assert fs.client is None |
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assert fs.fs is None |
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def test_get_params(fs_mongo, monkeypatch): |
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def mock_gridfs_find(self, search_query, **kwargs): |
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return [] |
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monkeypatch.setattr(GridFSBucket, "find", mock_gridfs_find) |
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params = fs_mongo.get_params() |
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assert len(params) == 2 |
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assert "fs" in params |
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assert "path" in params |
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assert params["fs"] == "mongo" |
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assert params["path"] == valid_path() |
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@pytest.mark.parametrize( |
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"config, exp_logger, exp_path", |
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[ |
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( |
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{ |
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"logger_name": "fs_mongo", |
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"path": valid_path(), |
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"uri": "mongo:27017", |
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"collection": "files", |
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}, |
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"fs_mongo", |
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valid_path(), |
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), |
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( |
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{ |
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"logger_name": "fs_mongo", |
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"path": valid_path()[:-1], |
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"uri": "mongo:27017", |
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"collection": "files", |
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}, |
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"fs_mongo", |
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valid_path(), |
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), |
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( |
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{"path": valid_path(), "uri": "mongo:27017", "collection": "files"}, |
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"fs", |
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valid_path(), |
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), |
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( |
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{"path": valid_path()[:-1], "uri": "mongo:27017", "collection": "files"}, |
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"fs", |
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valid_path(), |
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), |
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], |
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) |
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def test_fs_connect_with_valid_config(config, exp_logger, exp_path): |
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fs = FsMongo() |
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fs.fs_connect(config) |
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assert fs.logger == logging.getLogger(exp_logger) |
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assert fs.path == exp_path |
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assert type(fs.client) == MongoClient |
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assert type(fs.fs) == GridFSBucket |
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@pytest.mark.parametrize( |
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"config, exp_exception_message", |
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[ |
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( |
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{ |
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"logger_name": "fs_mongo", |
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"path": invalid_path(), |
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"uri": "mongo:27017", |
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"collection": "files", |
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}, |
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fs_connect_exception_message(invalid_path()), |
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), |
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( |
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{ |
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"logger_name": "fs_mongo", |
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"path": invalid_path()[:-1], |
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"uri": "mongo:27017", |
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"collection": "files", |
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}, |
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fs_connect_exception_message(invalid_path()[:-1]), |
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), |
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( |
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{"path": invalid_path(), "uri": "mongo:27017", "collection": "files"}, |
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fs_connect_exception_message(invalid_path()), |
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), |
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( |
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{"path": invalid_path()[:-1], "uri": "mongo:27017", "collection": "files"}, |
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fs_connect_exception_message(invalid_path()[:-1]), |
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), |
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( |
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{"path": "/", "uri": "mongo:27017", "collection": "files"}, |
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generic_fs_exception_message( |
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"Invalid configuration param at '[storage]': path '/' is not writable" |
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), |
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), |
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], |
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) |
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def test_fs_connect_with_invalid_path(config, exp_exception_message): |
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fs = FsMongo() |
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with pytest.raises(FsException) as excinfo: |
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fs.fs_connect(config) |
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assert str(excinfo.value) == exp_exception_message |
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|
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|
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@pytest.mark.parametrize( |
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"config, exp_exception_message", |
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[ |
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( |
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{"logger_name": "fs_mongo", "uri": "mongo:27017", "collection": "files"}, |
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'Missing parameter "path"', |
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), |
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( |
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{"logger_name": "fs_mongo", "path": valid_path(), "collection": "files"}, |
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'Missing parameters: "uri"', |
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), |
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( |
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{"logger_name": "fs_mongo", "path": valid_path(), "uri": "mongo:27017"}, |
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'Missing parameter "collection"', |
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), |
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], |
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) |
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def test_fs_connect_with_missing_parameters(config, exp_exception_message): |
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fs = FsMongo() |
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with pytest.raises(FsException) as excinfo: |
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fs.fs_connect(config) |
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assert str(excinfo.value) == generic_fs_exception_message(exp_exception_message) |
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1 |
@pytest.mark.parametrize( |
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"config, exp_exception_message", |
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[ |
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( |
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{ |
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"logger_name": "fs_mongo", |
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"path": valid_path(), |
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"uri": "mongo:27017", |
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"collection": "files", |
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}, |
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"MongoClient crashed", |
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), |
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], |
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) |
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def test_fs_connect_with_invalid_mongoclient( |
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config, exp_exception_message, monkeypatch |
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): |
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def generate_exception(a, b=None): |
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raise Exception(exp_exception_message) |
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|
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monkeypatch.setattr(MongoClient, "__init__", generate_exception) |
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fs = FsMongo() |
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with pytest.raises(FsException) as excinfo: |
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fs.fs_connect(config) |
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assert str(excinfo.value) == generic_fs_exception_message(exp_exception_message) |
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|
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|
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1 |
@pytest.mark.parametrize( |
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"config, exp_exception_message", |
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[ |
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( |
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{ |
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"logger_name": "fs_mongo", |
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"path": valid_path(), |
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"uri": "mongo:27017", |
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"collection": "files", |
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}, |
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"Collection unavailable", |
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), |
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], |
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) |
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def test_fs_connect_with_invalid_mongo_collection( |
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config, exp_exception_message, monkeypatch |
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): |
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def mock_mongoclient_constructor(a, b=None): |
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pass |
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|
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def generate_exception(a, b): |
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raise Exception(exp_exception_message) |
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|
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monkeypatch.setattr(MongoClient, "__init__", mock_mongoclient_constructor) |
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monkeypatch.setattr(MongoClient, "__getitem__", generate_exception) |
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|
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fs = FsMongo() |
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with pytest.raises(FsException) as excinfo: |
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fs.fs_connect(config) |
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assert str(excinfo.value) == generic_fs_exception_message(exp_exception_message) |
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|
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|
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1 |
@pytest.mark.parametrize( |
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"config, exp_exception_message", |
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[ |
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( |
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{ |
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"logger_name": "fs_mongo", |
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"path": valid_path(), |
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"uri": "mongo:27017", |
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"collection": "files", |
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}, |
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"GridFsBucket crashed", |
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), |
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], |
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) |
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1 |
def test_fs_connect_with_invalid_gridfsbucket( |
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config, exp_exception_message, monkeypatch |
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): |
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def mock_mongoclient_constructor(a, b=None): |
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pass |
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|
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def mock_mongoclient_getitem(a, b): |
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pass |
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|
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def generate_exception(a, b): |
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raise Exception(exp_exception_message) |
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|
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monkeypatch.setattr(MongoClient, "__init__", mock_mongoclient_constructor) |
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monkeypatch.setattr(MongoClient, "__getitem__", mock_mongoclient_getitem) |
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monkeypatch.setattr(GridFSBucket, "__init__", generate_exception) |
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|
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fs = FsMongo() |
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with pytest.raises(FsException) as excinfo: |
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fs.fs_connect(config) |
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assert str(excinfo.value) == generic_fs_exception_message(exp_exception_message) |
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|
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|
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1 |
def test_fs_disconnect(fs_mongo): |
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fs_mongo.fs_disconnect() |
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|
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|
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# Example.tar.gz |
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# example_tar/ |
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# ├── directory |
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# │ └── file |
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# └── symlinks |
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# ├── directory_link -> ../directory/ |
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# └── file_link -> ../directory/file |
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1 |
class FakeCursor: |
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1 |
def __init__(self, id, filename, metadata): |
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self._id = id |
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self.filename = filename |
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self.metadata = metadata |
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|
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|
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class FakeFS: |
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1 |
directory_metadata = {"type": "dir", "permissions": 509} |
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1 |
file_metadata = {"type": "file", "permissions": 436} |
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1 |
symlink_metadata = {"type": "sym", "permissions": 511} |
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|
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1 |
tar_info = { |
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1: { |
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"cursor": FakeCursor(1, "example_tar", directory_metadata), |
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"metadata": directory_metadata, |
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"stream_content": b"", |
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"stream_content_bad": b"Something", |
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"path": "./tmp/example_tar", |
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}, |
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2: { |
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"cursor": FakeCursor(2, "example_tar/directory", directory_metadata), |
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"metadata": directory_metadata, |
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"stream_content": b"", |
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"stream_content_bad": b"Something", |
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"path": "./tmp/example_tar/directory", |
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}, |
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3: { |
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"cursor": FakeCursor(3, "example_tar/symlinks", directory_metadata), |
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"metadata": directory_metadata, |
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"stream_content": b"", |
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"stream_content_bad": b"Something", |
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|
"path": "./tmp/example_tar/symlinks", |
| 380 |
|
}, |
| 381 |
|
4: { |
| 382 |
|
"cursor": FakeCursor(4, "example_tar/directory/file", file_metadata), |
| 383 |
|
"metadata": file_metadata, |
| 384 |
|
"stream_content": b"Example test", |
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|
"stream_content_bad": b"Example test2", |
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|
"path": "./tmp/example_tar/directory/file", |
| 387 |
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}, |
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5: { |
| 389 |
|
"cursor": FakeCursor(5, "example_tar/symlinks/file_link", symlink_metadata), |
| 390 |
|
"metadata": symlink_metadata, |
| 391 |
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"stream_content": b"../directory/file", |
| 392 |
|
"stream_content_bad": b"", |
| 393 |
|
"path": "./tmp/example_tar/symlinks/file_link", |
| 394 |
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}, |
| 395 |
|
6: { |
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"cursor": FakeCursor( |
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6, "example_tar/symlinks/directory_link", symlink_metadata |
| 398 |
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), |
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|
"metadata": symlink_metadata, |
| 400 |
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"stream_content": b"../directory/", |
| 401 |
|
"stream_content_bad": b"", |
| 402 |
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"path": "./tmp/example_tar/symlinks/directory_link", |
| 403 |
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}, |
| 404 |
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} |
| 405 |
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|
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1 |
def upload_from_stream(self, f, stream, metadata=None): |
| 407 |
1 |
found = False |
| 408 |
1 |
for i, v in self.tar_info.items(): |
| 409 |
1 |
if f == v["path"]: |
| 410 |
1 |
assert metadata["type"] == v["metadata"]["type"] |
| 411 |
1 |
assert stream.read() == BytesIO(v["stream_content"]).read() |
| 412 |
1 |
stream.seek(0) |
| 413 |
1 |
assert stream.read() != BytesIO(v["stream_content_bad"]).read() |
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1 |
found = True |
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1 |
continue |
| 416 |
1 |
assert found |
| 417 |
|
|
| 418 |
1 |
def find(self, type, no_cursor_timeout=True, sort=None): |
| 419 |
1 |
list = [] |
| 420 |
1 |
for i, v in self.tar_info.items(): |
| 421 |
1 |
if type["metadata.type"] == "dir": |
| 422 |
1 |
if v["metadata"] == self.directory_metadata: |
| 423 |
1 |
list.append(v["cursor"]) |
| 424 |
|
else: |
| 425 |
1 |
if v["metadata"] != self.directory_metadata: |
| 426 |
1 |
list.append(v["cursor"]) |
| 427 |
1 |
return list |
| 428 |
|
|
| 429 |
1 |
def download_to_stream(self, id, file_stream): |
| 430 |
1 |
file_stream.write(BytesIO(self.tar_info[id]["stream_content"]).read()) |
| 431 |
|
|
| 432 |
|
|
| 433 |
1 |
def test_file_extract(): |
| 434 |
1 |
tar_path = "tmp/Example.tar.gz" |
| 435 |
1 |
folder_path = "tmp/example_tar" |
| 436 |
|
|
| 437 |
|
# Generate package |
| 438 |
1 |
subprocess.call(["rm", "-rf", "./tmp"]) |
| 439 |
1 |
subprocess.call(["mkdir", "-p", "{}/directory".format(folder_path)]) |
| 440 |
1 |
subprocess.call(["mkdir", "-p", "{}/symlinks".format(folder_path)]) |
| 441 |
1 |
p = Path("{}/directory/file".format(folder_path)) |
| 442 |
1 |
p.write_text("Example test") |
| 443 |
1 |
os.symlink("../directory/file", "{}/symlinks/file_link".format(folder_path)) |
| 444 |
1 |
os.symlink("../directory/", "{}/symlinks/directory_link".format(folder_path)) |
| 445 |
1 |
if os.path.exists(tar_path): |
| 446 |
0 |
os.remove(tar_path) |
| 447 |
1 |
subprocess.call(["tar", "-czvf", tar_path, folder_path]) |
| 448 |
|
|
| 449 |
1 |
try: |
| 450 |
1 |
tar = tarfile.open(tar_path, "r") |
| 451 |
1 |
fs = FsMongo() |
| 452 |
1 |
fs.fs = FakeFS() |
| 453 |
1 |
fs.file_extract(compressed_object=tar, path=".") |
| 454 |
|
finally: |
| 455 |
1 |
os.remove(tar_path) |
| 456 |
1 |
subprocess.call(["rm", "-rf", "./tmp"]) |
| 457 |
|
|
| 458 |
|
|
| 459 |
1 |
def test_upload_local_fs(): |
| 460 |
1 |
path = "./tmp/" |
| 461 |
|
|
| 462 |
1 |
subprocess.call(["rm", "-rf", path]) |
| 463 |
1 |
try: |
| 464 |
1 |
fs = FsMongo() |
| 465 |
1 |
fs.path = path |
| 466 |
1 |
fs.fs = FakeFS() |
| 467 |
1 |
fs.sync() |
| 468 |
1 |
assert os.path.isdir("{}example_tar".format(path)) |
| 469 |
1 |
assert os.path.isdir("{}example_tar/directory".format(path)) |
| 470 |
1 |
assert os.path.isdir("{}example_tar/symlinks".format(path)) |
| 471 |
1 |
assert os.path.isfile("{}example_tar/directory/file".format(path)) |
| 472 |
1 |
assert os.path.islink("{}example_tar/symlinks/file_link".format(path)) |
| 473 |
1 |
assert os.path.islink("{}example_tar/symlinks/directory_link".format(path)) |
| 474 |
|
finally: |
| 475 |
1 |
subprocess.call(["rm", "-rf", path]) |
| 476 |
|
|
| 477 |
|
|
| 478 |
1 |
def test_upload_mongo_fs(): |
| 479 |
1 |
path = "./tmp/" |
| 480 |
|
|
| 481 |
1 |
subprocess.call(["rm", "-rf", path]) |
| 482 |
1 |
try: |
| 483 |
1 |
fs = FsMongo() |
| 484 |
1 |
fs.path = path |
| 485 |
1 |
fs.fs = Mock() |
| 486 |
1 |
fs.fs.find.return_value = {} |
| 487 |
|
|
| 488 |
1 |
file_content = "Test file content" |
| 489 |
|
|
| 490 |
|
# Create local dir and upload content to fakefs |
| 491 |
1 |
os.mkdir(path) |
| 492 |
1 |
os.mkdir("{}example_local".format(path)) |
| 493 |
1 |
os.mkdir("{}example_local/directory".format(path)) |
| 494 |
1 |
with open( |
| 495 |
|
"{}example_local/directory/test_file".format(path), "w+" |
| 496 |
|
) as test_file: |
| 497 |
1 |
test_file.write(file_content) |
| 498 |
1 |
fs.reverse_sync("example_local") |
| 499 |
|
|
| 500 |
1 |
assert fs.fs.upload_from_stream.call_count == 2 |
| 501 |
|
|
| 502 |
|
# first call to upload_from_stream, dir_name |
| 503 |
1 |
dir_name = "example_local/directory" |
| 504 |
1 |
call_args_0 = fs.fs.upload_from_stream.call_args_list[0] |
| 505 |
1 |
assert call_args_0[0][0] == dir_name |
| 506 |
1 |
assert call_args_0[1].get("metadata").get("type") == "dir" |
| 507 |
|
|
| 508 |
|
# second call to upload_from_stream, dir_name |
| 509 |
1 |
file_name = "example_local/directory/test_file" |
| 510 |
1 |
call_args_1 = fs.fs.upload_from_stream.call_args_list[1] |
| 511 |
1 |
assert call_args_1[0][0] == file_name |
| 512 |
1 |
assert call_args_1[1].get("metadata").get("type") == "file" |
| 513 |
|
|
| 514 |
|
finally: |
| 515 |
1 |
subprocess.call(["rm", "-rf", path]) |
| 516 |
1 |
pass |
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