Merge branch 'load_modules' into add_module_tests

# Conflicts:
#	src/auto_archiver/modules/s3_storage/s3_storage.py
#	src/auto_archiver/utils/gsheet.py
#	src/auto_archiver/utils/misc.py

tests/test_implementation.py

@@ -0,0 +1,62 @@
+import sys
+import pytest
+
+from auto_archiver.__main__ import main
+
+
+@pytest.fixture
+def orchestration_file_path(tmp_path):
+    return (tmp_path / "example_orch.yaml").as_posix()
+
+@pytest.fixture
+def orchestration_file(orchestration_file_path):
+    def _orchestration_file(content=''):
+        with open(orchestration_file_path, "w") as f:
+            f.write(content)
+        return orchestration_file_path
+    
+    return _orchestration_file
+
+@pytest.fixture
+def autoarchiver(tmp_path, monkeypatch, request):
+    def _autoarchiver(args=[]):
+
+        def cleanup():
+            from loguru import logger
+            if not logger._core.handlers.get(0):
+                logger._core.handlers_count = 0
+                logger.add(sys.stderr)
+
+        request.addfinalizer(cleanup)
+
+        # 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):
+    # exec 'auto-archiver' on the command lin
+    with pytest.raises(SystemExit):
+        autoarchiver(["--config", "nonexistent_file.yaml"])
+
+    assert "Make sure the file exists and try again, or run without th" in caplog.text
+
+def test_run_auto_archiver_empty_file(caplog, autoarchiver, orchestration_file):
+    # create a valid (empty) orchestration file
+    path = orchestration_file(content="")
+    # exec 'auto-archiver' on the command lin
+    with pytest.raises(SystemExit):
+        autoarchiver(["--config", path])
+
+    # should treat an empty file as if there is no file at all
+    assert " No URLs provided. Please provide at least one URL via the com" in caplog.text