Add Guardio web UI

tests/test_web_app.py

@@ -0,0 +1,48 @@
+"""Tests for the Guardio web UI command adapter."""
+
+from __future__ import annotations
+
+import sys
+
+from web_app import build_pipeline_command, create_app
+
+
+def test_build_pipeline_command_uses_cli_parser_defaults():
+    command = build_pipeline_command({"url": "https://youtube.com/watch?v=demo"})
+
+    assert command[:3] == [sys.executable, command[1], "https://youtube.com/watch?v=demo"]
+    assert "--lang" in command
+    assert command[command.index("--lang") + 1] == "es"
+    assert "--mix-mode" in command
+    assert command[command.index("--mix-mode") + 1] == "instrumental-only"
+
+
+def test_build_pipeline_command_accepts_optional_settings():
+    command = build_pipeline_command(
+        {
+            "url": "https://youtube.com/watch?v=demo",
+            "lang": "fr",
+            "browser": "chrome",
+            "whisper_model": "small",
+            "lmstudio_base_url": "http://localhost:1234/v1",
+            "lmstudio_model": "gemma-custom",
+            "gpu": "on",
+        }
+    )
+
+    assert command[command.index("--lang") + 1] == "fr"
+    assert command[command.index("--browser") + 1] == "chrome"
+    assert command[command.index("--whisper_model") + 1] == "small"
+    assert command[command.index("--lmstudio-base-url") + 1] == "http://localhost:1234/v1"
+    assert command[command.index("--lmstudio-model") + 1] == "gemma-custom"
+    assert "--gpu" in command
+
+
+def test_index_renders_guardio_ui():
+    app = create_app()
+    app.config.update(TESTING=True)
+
+    response = app.test_client().get("/")
+
+    assert response.status_code == 200
+    assert b"Guardio" in response.data