GUI documentation

tests/test_gui_convenience.py

@@ -153,12 +153,45 @@ class GuiConvenienceTests(unittest.TestCase):
         self.app.tree.selection_set("labels")
         self.app.update()
         labels_text = self._label_texts(self.app.form)
-        self.assertIn("Arguments supplémentaires", labels_text)
-        self.assertTrue(any("Cutleft" in text for text in labels_text))
+        extra_label = next(
+            child
+            for child in self.app.form.winfo_children()
+            if isinstance(child, ttk.Label)
+            and str(child.cget("text")).startswith("Arguments supplémentaires")
+        )
+        tooltip = extra_label._copienator_tooltip
+        self.assertIn("Cutleft", tooltip.text)
+        self.assertFalse(any("Cutleft" in text for text in labels_text))
+
+        tooltip.show()
+        self.app.update()
+        self.assertIsNotNone(tooltip.window)
+        self.assertIn("Cutleft", tooltip.window.winfo_children()[0].cget("text"))
+        tooltip.hide()
 
         self.app.tree.selection_set("plotting")
         self.app.update()
-        self.assertNotIn("Arguments supplémentaires", self._label_texts(self.app.form))
+        self.assertFalse(
+            any(
+                text.startswith("Arguments supplémentaires")
+                for text in self._label_texts(self.app.form)
+            )
+        )
+
+    def test_each_visible_argument_label_has_a_tooltip(self):
+        self.app.tree.selection_set("correction")
+        self.app.update()
+        argument_labels = [
+            child
+            for child in self.app.form.winfo_children()
+            if isinstance(child, ttk.Label) and str(child.cget("text")).endswith("ⓘ")
+        ]
+        self.assertGreaterEqual(len(argument_labels), 4)
+        for label in argument_labels:
+            with self.subTest(label=label.cget("text")):
+                tooltip = getattr(label, "_copienator_tooltip", None)
+                self.assertIsNotNone(tooltip)
+                self.assertTrue(tooltip.text.strip())
 
     def test_verbose_checkbox_updates_supported_commands(self):
         self.app.tree.selection_set("labels")