test test utils

tests/test_test_utils.py

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+import tempfile
+from pathlib import Path
+
+import pytest
+
+from .utils import set_wd, with_temporary_file, with_temporary_folder
+
+
+def test_with_temporary_file():
+ @with_temporary_file
+ def tmp_file_exists(tmp_file):
+ assert Path(tmp_file.name).exists()
+
+ tmp_file_exists()
+
+
+def test_does_not_exist_after():
+ tmp_file = with_temporary_file(lambda x: x.name)()
+ assert not Path(tmp_file).exists()
+
+
+def test_with_temporary_folder():
+ @with_temporary_folder
+ def tmp_folder_exists(tmp_folder):
+ assert Path(tmp_folder).exists()
+
+ tmp_folder_exists()
+
+
+def test_tmp_folder_does_not_exist_after():
+ tmp_folder = with_temporary_folder(lambda x: x)()
+ assert not Path(tmp_folder).exists()
+
+
+def test_set_wd():
+
+ with tempfile.TemporaryDirectory() as tmpdirname:
+ with set_wd(tmpdirname):
+ context_wd = Path().resolve()
+ assert context_wd == Path(tmpdirname).resolve()
+ assert context_wd != Path().resolve()
+
+
+def test_set_wd_revert_on_raise():
+ wd_before_context = Path().resolve()
+ with tempfile.TemporaryDirectory() as tmpdirname:
+ with pytest.raises(Exception):
+ with set_wd(tmpdirname):
+ raise Exception
+ assert wd_before_context == Path().resolve()