Merge branch 'main' into move-child-no-op

tests/test_app.py

@@ -36,3 +36,33 @@ async def test_hover_update_styles():
         # We've hovered, so ensure the pseudoclass is present and background changed
         assert button.pseudo_classes == {"enabled", "hover"}
         assert button.styles.background != initial_background
+
+
+def test_setting_title():
+    app = MyApp()
+    app.title = None
+    assert app.title == "None"
+
+    app.title = ""
+    assert app.title == ""
+
+    app.title = 0.125
+    assert app.title == "0.125"
+
+    app.title = [True, False, 2]
+    assert app.title == "[True, False, 2]"
+
+
+def test_setting_sub_title():
+    app = MyApp()
+    app.sub_title = None
+    assert app.sub_title == "None"
+
+    app.sub_title = ""
+    assert app.sub_title == ""
+
+    app.sub_title = 0.125
+    assert app.sub_title == "0.125"
+
+    app.sub_title = [True, False, 2]
+    assert app.sub_title == "[True, False, 2]"

tests/test_resolve.py

@@ -1,4 +1,5 @@
 from fractions import Fraction
+from itertools import chain
 
 import pytest
 
@@ -122,3 +123,22 @@ def test_resolve_fraction_unit():
         Fraction(32),
         resolve_dimension="width",
     ) == Fraction(2)
+
+
+def test_resolve_issue_2502():
+    """Test https://github.com/Textualize/textual/issues/2502"""
+
+    widget = Widget()
+    widget.styles.width = "1fr"
+    widget.styles.min_width = 11
+
+    assert isinstance(
+        resolve_fraction_unit(
+            (widget.styles,),
+            Size(80, 24),
+            Size(80, 24),
+            Fraction(10),
+            resolve_dimension="width",
+        ),
+        Fraction,
+    )

tests/tree/test_tree_messages.py

@@ -78,6 +78,20 @@ async def test_tree_node_expanded_message() -> None:
         assert pilot.app.messages == [("NodeExpanded", "test-tree")]
 
 
+async def tree_node_expanded_by_code_message() -> None:
+    """Expanding a node via the API should result in an expanded message being posted."""
+    async with TreeApp().run_test() as pilot:
+        pilot.app.query_one(Tree).root.children[0].expand()
+        assert pilot.app.messages == [("NodeExpanded", "test-tree")]
+
+
+async def tree_node_all_expanded_by_code_message() -> None:
+    """Expanding all nodes via the API should result in expanded messages being posted."""
+    async with TreeApp().run_test() as pilot:
+        pilot.app.query_one(Tree).root.children[0].expand_all()
+        assert pilot.app.messages == [("NodeExpanded", "test-tree")]
+
+
 async def test_tree_node_collapsed_message() -> None:
     """Collapsing a node should result in a collapsed message being emitted."""
     async with TreeApp().run_test() as pilot:
@@ -89,6 +103,46 @@ async def test_tree_node_collapsed_message() -> None:
         ]
 
 
+async def tree_node_collapsed_by_code_message() -> None:
+    """Collapsing a node via the API should result in a collapsed message being posted."""
+    async with TreeApp().run_test() as pilot:
+        pilot.app.query_one(Tree).root.children[0].expand().collapse()
+        assert pilot.app.messages == [
+            ("NodeExpanded", "test-tree"),
+            ("NodeCollapsed", "test-tree"),
+        ]
+
+
+async def tree_node_all_collapsed_by_code_message() -> None:
+    """Collapsing all nodes via the API should result in collapsed messages being posted."""
+    async with TreeApp().run_test() as pilot:
+        pilot.app.query_one(Tree).root.children[0].expand_all().collapse_all()
+        assert pilot.app.messages == [
+            ("NodeExpanded", "test-tree"),
+            ("NodeCollapsed", "test-tree"),
+        ]
+
+
+async def tree_node_toggled_by_code_message() -> None:
+    """Toggling a node twice via the API should result in expanded and collapsed messages."""
+    async with TreeApp().run_test() as pilot:
+        pilot.app.query_one(Tree).root.children[0].toggle().toggle()
+        assert pilot.app.messages == [
+            ("NodeExpanded", "test-tree"),
+            ("NodeCollapsed", "test-tree"),
+        ]
+
+
+async def tree_node_all_toggled_by_code_message() -> None:
+    """Toggling all nodes twice via the API should result in expanded and collapsed messages."""
+    async with TreeApp().run_test() as pilot:
+        pilot.app.query_one(Tree).root.children[0].toggle_all().toggle_all()
+        assert pilot.app.messages == [
+            ("NodeExpanded", "test-tree"),
+            ("NodeCollapsed", "test-tree"),
+        ]
+
+
 async def test_tree_node_highlighted_message() -> None:
     """Highlighting a node should result in a highlighted message being emitted."""
     async with TreeApp().run_test() as pilot: