tests(processing,cli): introduce tests for skip-extraction option.

tests/test_cli.py

@@ -333,3 +333,37 @@ def test_skip_extension(
     result = runner.invoke(unblob.cli.cli, params)
     assert extracted_files_count == len(list(tmp_path.rglob("*")))
     assert result.exit_code == 0
+
+
+@pytest.mark.parametrize(
+    "args, skip_extraction, fail_message",
+    [
+        ([], False, "Should *NOT* have skipped extraction"),
+        (["-s"], True, "Should have skipped extraction"),
+        (["--skip-extraction"], True, "Should have skipped extraction"),
+    ],
+)
+def test_skip_extraction(
+    args: List[str], skip_extraction: bool, fail_message: str, tmp_path: Path
+):
+    runner = CliRunner()
+    in_path = (
+        Path(__file__).parent
+        / "integration"
+        / "archive"
+        / "zip"
+        / "regular"
+        / "__input__"
+        / "apple.zip"
+    )
+    params = [*args, "--extract-dir", str(tmp_path), str(in_path)]
+
+    process_file_mock = mock.MagicMock()
+    with mock.patch.object(unblob.cli, "process_file", process_file_mock):
+        result = runner.invoke(unblob.cli.cli, params)
+
+    assert result.exit_code == 0
+    process_file_mock.assert_called_once()
+    assert (
+        process_file_mock.call_args.args[0].skip_extraction == skip_extraction
+    ), fail_message

tests/test_processing.py

@@ -447,6 +447,37 @@ def get_all(file_name, report_type: Type[ReportType]) -> List[ReportType]:
     )
 
 
+@pytest.mark.parametrize(
+    "skip_extraction, file_count, extracted_file_count",
+    [
+        (True, 5, 0),
+        (False, 5, 6),
+    ],
+)
+def test_skip_extraction(
+    skip_extraction: bool,
+    file_count: int,
+    extracted_file_count: int,
+    tmp_path: Path,
+    extraction_config: ExtractionConfig,
+):
+    input_file = tmp_path / "input"
+    with zipfile.ZipFile(input_file, "w") as zf:
+        for i in range(file_count):
+            zf.writestr(f"file{i}", data=b"This is a test file.")
+
+    extraction_config.extract_root = tmp_path / "output"
+    extraction_config.skip_extraction = skip_extraction
+
+    process_result = process_file(extraction_config, input_file)
+    task_result_by_path = {r.task.path: r for r in process_result.results}
+
+    assert len(task_result_by_path) == extracted_file_count + 1
+    assert (
+        len(list(extraction_config.extract_root.rglob("**/*"))) == extracted_file_count
+    )
+
+
 class ConcatenateExtractor(DirectoryExtractor):
     def extract(self, paths: List[Path], outdir: Path):
         outfile = outdir / "data"