Add a rudimentary test for the static file compilation

Author: pelson

simple_repository_browser/tests/test_static_files.py

@@ -0,0 +1,39 @@
+import json
+import pathlib
+
+import pytest
+
+import simple_repository_browser
+from simple_repository_browser.static_files import main
+
+
+def test_cli__help(capsys: pytest.CaptureFixture) -> None:
+    with pytest.raises(SystemExit) as err_info:
+        main(['--help'])
+    assert err_info.value.code == 0
+    captured = capsys.readouterr()
+    assert len(captured.out.splitlines()) > 1
+
+
+def test_cli__compile(tmp_path: pathlib.Path) -> None:
+    simple_static_dir = pathlib.Path(simple_repository_browser.__file__).parent / 'static'
+    target_static_dir = tmp_path / 'static'
+    orig_files = [
+        path for path in simple_static_dir.glob('**/*') if path.is_file() and not path.name.startswith('.')
+    ]
+
+    main(['compile', str(tmp_path / 'static'), str(simple_static_dir)])
+    created_files = [
+        path for path in target_static_dir.glob('**/*') if path.is_file() and not path.name.startswith('.')
+    ]
+
+    assert len(orig_files) > 1
+    assert len(created_files) == len(orig_files)
+
+    manifest_path = target_static_dir / '.manifest.json'
+    assert manifest_path.exists()
+
+    manifest = json.loads(manifest_path.read_text())
+    file_map = manifest['file-map']
+
+    assert len(file_map) == len(orig_files)