Made app module internal. Added unit test for app

Author: lucasimi

pyproject.toml

@@ -47,6 +47,7 @@ dev = [
     "pandas",
     "scikit-learn<1.6.0",
     "pytest",
+    "pytest-asyncio",
     "black[jupyter]",
     "isort",
     "flake8",
@@ -60,7 +61,7 @@ app = [
 ]
 
 [project.scripts]
-tda-mapper-app = "tdamapper.app:main"
+tda-mapper-app = "tdamapper._app:main"
 
 [project.urls]
 Homepage = "https://github.com/lucasimi/tda-mapper-python"
@@ -97,3 +98,15 @@ include_trailing_comma = true
 force_grid_wrap = 0
 combine_as_imports = true
 skip = ["venv", ".venv", "build", "dist"]
+
+[tool.pytest.ini_options]
+asyncio_mode = "auto"
+testpaths = ["tests"]
+asyncio_default_fixture_loop_scope = "function"
+filterwarnings = [
+  'ignore::DeprecationWarning:_plotly_utils\.basevalidators',
+]
+
+markers = [
+    "module_under_test",
+]

src/tdamapper/app.py src/tdamapper/_app.pysrc/tdamapper/app.py renamed to src/tdamapper/_app.py

@@ -603,5 +603,5 @@ def main():
     )
 
 
-if __name__ in ["__main__", "__mp_main__", "tdamapper.app"]:
+if __name__ in ["__main__", "__mp_main__"]:
     main()

tests/test_unit_app.py

@@ -0,0 +1,18 @@
+import pytest
+from nicegui import ui
+from nicegui.testing import User
+
+from tdamapper import _app
+
+pytest_plugins = ["nicegui.testing.user_plugin"]
+
+
+@pytest.mark.module_under_test(_app)
+async def test_run_mapper(user: User) -> None:
+    await user.open("/")
+    await user.should_see("Load Data")
+    await user.should_see("Run Mapper")
+    user.find("Load Data").click()
+    await user.should_see("File loaded successfully")
+    user.find("Run Mapper").click()
+    await user.should_see("Running Mapper...")