Adding upstream version 0.15.0.

Signed-off-by: Daniel Baumann <daniel@debian.org>

tests/functional_tests/conftest.py

@@ -0,0 +1,62 @@
+from typing import Type, Union
+from unittest.mock import MagicMock
+
+import pytest
+from textual.app import App, ComposeResult
+from textual.driver import Driver
+from textual.types import CSSPathType
+from textual_textarea.text_editor import TextEditor
+
+
+class TextEditorApp(App, inherit_bindings=False):
+    def __init__(
+        self,
+        driver_class: Union[Type[Driver], None] = None,
+        css_path: Union[CSSPathType, None] = None,
+        watch_css: bool = False,
+        language: Union[str, None] = None,
+        use_system_clipboard: bool = True,
+    ):
+        self.language = language
+        self.use_system_clipboard = use_system_clipboard
+        super().__init__(driver_class, css_path, watch_css)
+
+    def compose(self) -> ComposeResult:
+        self.editor = TextEditor(
+            language=self.language,
+            use_system_clipboard=self.use_system_clipboard,
+            id="ta",
+        )
+        yield self.editor
+
+    def on_mount(self) -> None:
+        self.editor.focus()
+
+
+@pytest.fixture
+def app() -> App:
+    app = TextEditorApp(language="python")
+    return app
+
+
+@pytest.fixture(
+    params=[False, True],
+    ids=["no_sys_clipboard", "default"],
+)
+def app_all_clipboards(request: pytest.FixtureRequest) -> App:
+    app = TextEditorApp(use_system_clipboard=request.param)
+    return app
+
+
+@pytest.fixture(autouse=True)
+def mock_pyperclip(monkeypatch: pytest.MonkeyPatch) -> MagicMock:
+    mock = MagicMock()
+    mock.determine_clipboard.return_value = mock.copy, mock.paste
+
+    def set_paste(x: str) -> None:
+        mock.paste.return_value = x
+
+    mock.copy.side_effect = set_paste
+    monkeypatch.setattr("textual_textarea.text_editor.pyperclip", mock)
+
+    return mock