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import pytest
try:
import prompt_toolkit # NOQA
except ImportError:
pytest.mark.skip(msg="prompt_toolkit is not available")
@pytest.fixture
def history_obj():
"""Instantiate `PromptToolkitHistory` and append a line string"""
from xonsh.ptk_shell.history import PromptToolkitHistory
hist = PromptToolkitHistory(load_prev=False)
hist.append_string("line10")
return hist
def test_obj(history_obj):
assert ["line10"] == history_obj.get_strings()
assert len(history_obj) == 1
assert ["line10"] == [x for x in history_obj]
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