test

tests/option_list/test_option_list_create.py

@@ -156,3 +156,13 @@ async def test_options_are_available_soon() -> None:
     option = Option("", id="some_id")
     option_list = OptionList(option)
     assert option_list.get_option("some_id") is option
+
+
+async def test_set_options():
+    """Test set_options method."""
+    async with OptionListApp().run_test() as pilot:
+        option_list = pilot.app.query_one(OptionList)
+        option_list.set_options(["foo", "bar"])
+        assert option_list.option_count == 2
+        assert option_list.get_option_at_index(0).prompt == "foo"
+        assert option_list.get_option_at_index(1).prompt == "bar"

tests/snapshot_tests/test_snapshots.py

@@ -3569,7 +3569,6 @@ def test_setting_transparency(snap_compare):
     Regression test for https://github.com/Textualize/textual/pull/5890"""
 
     class TransparentPythonApp(App):
-
         CSS = """
         Screen { 
             background: darkblue;
@@ -3589,7 +3588,6 @@ def test_setting_transparency(snap_compare):
         """
 
         def compose(self):
-
             yield TextArea("Baseline normal TextArea, not transparent")
             text_area2 = TextArea(
                 "This TextArea made transparent by adding a CSS class",
@@ -3961,14 +3959,12 @@ def test_enforce_visual(snap_compare):
     """
 
     class OverflowOption(Option):
-
         def __init__(self) -> None:
             super().__init__(
                 Text.from_markup(f"Line one\n{'a' * 100}", overflow="ellipsis")
             )
 
     class OptionListOverflowApp(App[None]):
-
         CSS = """
         OptionList {
             width: 30;
@@ -4146,7 +4142,6 @@ def test_breakpoints_horizontal(snap_compare, size):
     """
 
     class BreakpointApp(App):
-
         HORIZONTAL_BREAKPOINTS = [
             (0, "-narrow"),
             (40, "-normal"),
@@ -4174,7 +4169,7 @@ def test_breakpoints_horizontal(snap_compare, size):
         def compose(self) -> ComposeResult:
             with Grid():
                 for n in range(16):
-                    yield Placeholder(f"Placeholder {n+1}")
+                    yield Placeholder(f"Placeholder {n + 1}")
 
     assert snap_compare(BreakpointApp(), terminal_size=size)
 
@@ -4197,7 +4192,6 @@ def test_breakpoints_vertical(snap_compare, size):
     """
 
     class BreakpointApp(App):
-
         VERTICAL_BREAKPOINTS = [
             (0, "-low"),
             (30, "-middle"),
@@ -4225,7 +4219,7 @@ def test_breakpoints_vertical(snap_compare, size):
         def compose(self) -> ComposeResult:
             with Grid():
                 for n in range(16):
-                    yield Placeholder(f"Placeholder {n+1}")
+                    yield Placeholder(f"Placeholder {n + 1}")
 
     assert snap_compare(BreakpointApp(), terminal_size=size)
 
@@ -4240,10 +4234,8 @@ def test_compact(snap_compare):
     """
 
     class CompactApp(App):
-
         def compose(self) -> ComposeResult:
             with Horizontal():
-
                 with Vertical():
                     yield Button("Foo")
                     yield Input("hello")
@@ -4349,7 +4341,6 @@ def test_snapshot_scroll(snap_compare):
     """
 
     class ScrollKeylineApp(App):
-
         CSS = """\
     #my-container {
         keyline: heavy blue;
@@ -4407,7 +4398,7 @@ def test_markdown_append(snap_compare):
     MD = [
         "# Title\n",
         "\n",
-        "1. List item 1\n" "2. List item 2\n" "\n" "> There can be only one\n",
+        "1. List item 1\n2. List item 2\n\n> There can be only one\n",
     ]
 
     class MDApp(App):
@@ -4580,7 +4571,6 @@ def test_static_content_property(snap_compare):
     """
 
     class StaticApp(App):
-
         def compose(self) -> ComposeResult:
             yield Static("Hello, World")
 
@@ -4588,3 +4578,35 @@ def test_static_content_property(snap_compare):
             self.query_one(Static).content = "FOO BAR"
 
     assert snap_compare(StaticApp())
+
+
+def test_textarea_suggestion(snap_compare):
+    """Test Text Area displays suggestions.
+
+    You should see "Hello ," followed by a dimmed "World!"
+    The cursor should be over the comma.
+    """
+
+    class TextApp(App):
+        def compose(self) -> ComposeResult:
+            yield TextArea()
+
+        def on_mount(self) -> None:
+            self.query_one(TextArea).insert("Hello, ")
+            self.query_one(TextArea).suggestion = "World!"
+
+    assert snap_compare(TextApp())
+
+
+def test_textarea_placeholder(snap_compare):
+    """Test text area placeholder
+
+    You should see a TextArea with dimmed text "Your text here".
+
+    """
+
+    class TextApp(App):
+        def compose(self) -> ComposeResult:
+            yield TextArea(placeholder="Your text here")
+
+    assert snap_compare(TextApp())