added tests for CTk window behavior when switchng appearance mode and…

… hiding at program start TomSchimansky#66 TomSchimansky#277

test/manual_integration_tests/test_ctk_window_behavior/test_ctk_appearance_mode_change.py

@@ -0,0 +1,35 @@
+import customtkinter
+import sys
+
+customtkinter.set_appearance_mode("dark")
+
+
+app = customtkinter.CTk()
+app.geometry("400x240")
+
+app.withdraw()
+app.after(2000, app.deiconify)
+
+
+def change_appearance_mode():
+    # test appearance mode change while withdrawn
+    app.after(500, app.withdraw)
+    app.after(1500, lambda: customtkinter.set_appearance_mode("light"))
+    app.after(2500, app.deiconify)
+
+    # test appearance mode change while iconified
+    app.after(3500, app.iconify)
+    app.after(4500, lambda: customtkinter.set_appearance_mode("dark"))
+    app.after(5500, app.deiconify)
+
+    if sys.platform.startswith("win"):
+        # test appearance mode change while zoomed
+        app.after(6500, lambda: app.state("zoomed"))
+        app.after(7500, lambda: customtkinter.set_appearance_mode("light"))
+        app.after(8500, lambda: app.state("normal"))
+
+
+button_1 = customtkinter.CTkButton(app, text="start test", command=change_appearance_mode)
+button_1.pack(pady=20, padx=20)
+
+app.mainloop()

test/manual_integration_tests/test_ctk_window_behavior/test_ctk_iconify_at_beginning.py

@@ -0,0 +1,9 @@
+import customtkinter
+
+app = customtkinter.CTk()
+app.geometry("400x240")
+
+app.iconify()
+app.after(2000, app.deiconify)
+
+app.mainloop()

test/manual_integration_tests/test_ctk_window_behavior/test_ctk_withdraw_at_beginning.py

@@ -0,0 +1,9 @@
+import customtkinter
+
+app = customtkinter.CTk()
+app.geometry("400x240")
+
+app.withdraw()
+app.after(2000, app.deiconify)
+
+app.mainloop()