attempt at gui automation testing

tests/gui/test_actions.py

@@ -0,0 +1,59 @@
+import time
+import tkinter as tk
+from typing import Iterable, Optional
+from unittest.mock import patch
+
+import pytest
+
+from countess.gui.main import MainWindow, make_root, PluginChooserFrame
+from countess.gui.config import PluginConfigurator
+from countess.gui.tabular import TabularDataFrame
+from countess.plugins.csv import LoadCsvPlugin
+
+def _find_buttons(frame: tk.Frame, label: str) -> Iterable[tk.Button]:
+
+ for w in frame.winfo_children():
+ if isinstance(w, tk.Button):
+ if w['text'] == label:
+ yield w
+ elif isinstance(w, (tk.Frame, tk.LabelFrame)):
+ yield from _find_buttons(w, label)
+
+def _find_button(frame: tk.Frame, label: str) -> Optional[tk.Button]:
+ try:
+ return next(iter(_find_buttons(frame, label)))
+ except StopIteration:
+ return None
+
+@pytest.mark.gui
+def test_open_new():
+ root = make_root()
+ mw = MainWindow(root)
+ root.update()
+
+ assert isinstance(mw.config_wrapper.config_subframe, PluginChooserFrame)
+
+ button = _find_button(mw.config_wrapper.config_subframe, 'CSV Load')
+ button.invoke()
+ root.update()
+
+ assert isinstance(mw.config_wrapper.configurator, PluginConfigurator)
+ plugin = mw.config_wrapper.configurator.plugin
+ assert isinstance(plugin, LoadCsvPlugin)
+
+ with patch('tkinter.filedialog.askopenfilenames', return_value=['tests/input1.csv']):
+ button = _find_button(mw.config_wrapper.config_subframe, "")
+ button.invoke()
+ root.update()
+ time.sleep(1)
+
+ root.update()
+ time.sleep(1)
+ root.update()
+
+ preview_frame = mw.config_wrapper.preview_subframe
+ assert isinstance(preview_frame, TabularDataFrame)
+ dataframe = preview_frame.dataframe
+
+ assert len(dataframe) == 4
+ assert len(dataframe.columns) == 2