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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
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