1 files changed, 49 insertions, 38 deletions
diff --git a/tests/test_wikiget_cli.py b/tests/test_wikiget_cli.py
index 99d113e..0306579 100644
--- a/tests/test_wikiget_cli.py
+++ b/tests/test_wikiget_cli.py
@@ -23,47 +23,58 @@ from wikiget import USER_AGENT, __version__
 from wikiget.wikiget import cli
 
 
-def test_cli_no_params(monkeypatch: pytest.MonkeyPatch):
-    monkeypatch.setattr("sys.argv", ["wikiget"])
-    with pytest.raises(SystemExit) as e:
-        cli()
-    assert e.value.code == 2
+class TestCli:
+    def test_cli_no_params(self, monkeypatch: pytest.MonkeyPatch) -> None:
+        with monkeypatch.context() as m:
+            m.setattr("sys.argv", ["wikiget"])
+            with pytest.raises(SystemExit) as e:
+                cli()
+            assert e.value.code == 2
 
+    @patch("wikiget.wikiget.process_download")
+    def test_cli_completed_successfully(
+        self, mock_process_download: MagicMock, monkeypatch: pytest.MonkeyPatch
+    ) -> None:
+        # a successful call to process_download returns 0
+        mock_process_download.return_value = 0
 
-@patch("wikiget.wikiget.process_download")
-def test_cli_completed_successfully(
-    mock_process_download: MagicMock, monkeypatch: pytest.MonkeyPatch
-) -> None:
-    monkeypatch.setattr("sys.argv", ["wikiget", "File:Example.jpg"])
-    mock_process_download.return_value = 0
-    with pytest.raises(SystemExit) as e:
-        cli()
-    assert mock_process_download.called
-    assert e.value.code == 0
+        with monkeypatch.context() as m:
+            m.setattr("sys.argv", ["wikiget", "File:Example.jpg"])
 
+            with pytest.raises(SystemExit) as e:
+                cli()
+            assert e.value.code == 0
 
-@patch("wikiget.wikiget.process_download")
-def test_cli_completed_with_problems(
-    mock_process_download: MagicMock, monkeypatch: pytest.MonkeyPatch
-) -> None:
-    monkeypatch.setattr("sys.argv", ["wikiget", "File:Example.jpg"])
-    mock_process_download.return_value = 1
-    with pytest.raises(SystemExit) as e:
-        cli()
-    assert mock_process_download.called
-    assert e.value.code == 1
+    @patch("wikiget.wikiget.process_download")
+    def test_cli_completed_with_problems(
+        self, mock_process_download: MagicMock, monkeypatch: pytest.MonkeyPatch
+    ) -> None:
+        # an unsuccessful call to process_download returns 1
+        mock_process_download.return_value = 1
 
+        with monkeypatch.context() as m:
+            m.setattr("sys.argv", ["wikiget", "File:Example.jpg"])
 
-@patch("wikiget.wikiget.process_download")
-def test_cli_logs(
-    mock_process_download: MagicMock,
-    monkeypatch: pytest.MonkeyPatch,
-    caplog: pytest.LogCaptureFixture,
-) -> None:
-    monkeypatch.setattr("sys.argv", ["wikiget", "File:Example.jpg"])
-    mock_process_download.return_value = 0
-    with pytest.raises(SystemExit):
-        cli()
-    assert mock_process_download.called
-    assert f"Starting download session using wikiget {__version__}" in caplog.text
-    assert USER_AGENT in caplog.text
+            with pytest.raises(SystemExit) as e:
+                cli()
+            assert e.value.code == 1
+
+    @patch("wikiget.wikiget.process_download")
+    def test_cli_logs(
+        self,
+        mock_process_download: MagicMock,
+        monkeypatch: pytest.MonkeyPatch,
+        caplog: pytest.LogCaptureFixture,
+    ) -> None:
+        # a successful call to process_download returns 0
+        mock_process_download.return_value = 0
+
+        with monkeypatch.context() as m:
+            m.setattr("sys.argv", ["wikiget", "File:Example.jpg"])
+
+            with pytest.raises(SystemExit):
+                cli()
+            assert (
+                f"Starting download session using wikiget {__version__}" in caplog.text
+            )
+            assert USER_AGENT in caplog.text