Implementation tests for auto-archiver

tests/test_implementation.py

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+import sys
+import pytest
+
+from auto_archiver.__main__ import main
+
+@pytest.fixture
+def orchestration_file(tmp_path):
+    return (tmp_path / "example_orch.yaml").as_posix()
+
+@pytest.fixture
+def autoarchiver(tmp_path, monkeypatch):
+
+    def _autoarchiver(args=["--config", "example_orch.yaml"]):
+        # change dir to tmp_path
+        monkeypatch.chdir(tmp_path)
+        with monkeypatch.context() as m:
+            m.setattr(sys, "argv", ["auto-archiver"] + args)
+            return main()
+    
+    return _autoarchiver
+
+
+def test_run_auto_archiver_no_args(caplog, autoarchiver):
+    with pytest.raises(SystemExit):
+        autoarchiver([])
+
+    assert "provide at least one URL via the command line, or set up an alternative feeder" in caplog.text
+
+
+def test_run_auto_archiver_invalid_file(caplog, autoarchiver, monkeypatch):
+    # exec 'auto-archiver' on the command lin
+    with pytest.raises(SystemExit):
+        autoarchiver()
+
+    assert "Make sure the file exists and try again, or run without th" in caplog.text