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Original file line number | Diff line number | Diff line change |
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# Copyright (C) 2024 CVAT.ai Corporation | ||
# | ||
# SPDX-License-Identifier: MIT | ||
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import os | ||
import tempfile | ||
import unittest | ||
from typing import Optional | ||
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from datumaro import IDataset | ||
from datumaro.components.operations import ExactComparator | ||
from datumaro.util.os_util import rmfile, rmtree | ||
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from cvat.apps.dataset_manager.util import current_function_name | ||
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class FileRemover: | ||
def __init__(self, path, is_dir=False): | ||
self.path = path | ||
self.is_dir = is_dir | ||
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def __enter__(self): | ||
return self.path | ||
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def __exit__(self, exc_type=None, exc_value=None, traceback=None): | ||
if self.is_dir: | ||
try: | ||
rmtree(self.path) | ||
except unittest.SkipTest: | ||
# Suppress skip test errors from git.util.rmtree | ||
if not exc_type: | ||
raise | ||
else: | ||
rmfile(self.path) | ||
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class TestDir(FileRemover): | ||
""" | ||
Creates a temporary directory for a test. Uses the name of | ||
the test function to name the directory. | ||
Usage: | ||
.. code-block:: | ||
with TestDir() as test_dir: | ||
... | ||
""" | ||
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def __init__(self, path: Optional[str] = None, frame_id: int = 2): | ||
if not path: | ||
prefix = f"temp_{current_function_name(frame_id)}-" | ||
else: | ||
prefix = None | ||
self._prefix = prefix | ||
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super().__init__(path, is_dir=True) | ||
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def __enter__(self) -> str: | ||
""" | ||
Creates a test directory. | ||
Returns: path to the directory | ||
""" | ||
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path = self.path | ||
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if path is None: | ||
path = tempfile.mkdtemp(dir=os.getcwd(), prefix=self._prefix) | ||
self.path = path | ||
else: | ||
os.makedirs(path, exist_ok=False) | ||
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return path | ||
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def compare_datasets(expected: IDataset, actual: IDataset): | ||
comparator = ExactComparator() | ||
_, unmatched, expected_extra, actual_extra, errors = comparator.compare_datasets( | ||
expected, actual | ||
) | ||
assert not unmatched, f"Datasets have unmatched items: {unmatched}" | ||
assert not actual_extra, f"Actual has following extra items: {actual_extra}" | ||
assert not expected_extra, f"Actual has following extra items: {expected_extra}" | ||
assert not errors, f"There were following errors while comparing datasets: {errors}" |
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