Implement test which checks that DeprecationWarning and PendingDeprecationWarning are ignored.

Author: tobiasraabe

docs/source/changes.md

@@ -8,6 +8,9 @@ releases are available on [PyPI](https://pypi.org/project/pytask) and
 ## 0.2.3 - 2022-xx-xx
 
 - {pull}`276` fixes `pytask clean` when git is not installed. Fixes {issue}`275`.
+- {pull}`277` ignores `DeprecationWarning` and `PendingDeprecationWarning` by default.
+  Previously, they were enabled, but they should be shown when testing the project with
+  pytest, not after the execution with pytask.
 
 ## 0.2.2 - 2022-05-14
 

tests/test_warnings.py

@@ -119,3 +119,19 @@ def task_example():
     assert result.exit_code == ExitCode.OK
     assert ("Warnings" in result.output) is not add_config
     assert ("warning!!!" in result.output) is not add_config
+
+
+@pytest.mark.parametrize("warning", ["DeprecationWarning", "PendingDeprecationWarning"])
+def test_deprecation_warnings_are_not_captured(tmp_path, runner, warning):
+    source = f"""
+    import warnings
+
+    def task_example():
+        warnings.warn("warning!!!", {warning})
+    """
+    tmp_path.joinpath("task_example.py").write_text(textwrap.dedent(source))
+    result = runner.invoke(cli, [tmp_path.as_posix()])
+
+    assert result.exit_code == ExitCode.OK
+    assert "Warnings" not in result.output
+    assert "warning!!!" not in result.output