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import sys
from pathlib import Path
from typing import Awaitable, Callable, List
import pytest
from harlequin import Harlequin
from harlequin.components import ExportScreen
@pytest.mark.asyncio
@pytest.mark.parametrize(
"filename",
[
"one.csv",
"one.parquet",
"one.json",
pytest.param(
"one.orc",
marks=pytest.mark.skipif(
sys.platform == "win32", reason="ORC not supported on Windows"
),
),
"one.feather",
],
)
async def test_export(
app_all_adapters: Harlequin,
tmp_path: Path,
filename: str,
app_snapshot: Callable[..., Awaitable[bool]],
wait_for_workers: Callable[[Harlequin], Awaitable[None]],
transaction_button_visible: Callable[[Harlequin], bool],
) -> None:
app = app_all_adapters
snap_results: List[bool] = []
async with app.run_test(size=(120, 36)) as pilot:
await wait_for_workers(app)
while app.editor is None:
await pilot.pause()
app.editor.text = "select 1 as a, 2 as b"
await pilot.press("ctrl+j") # run query
await wait_for_workers(app)
await pilot.pause()
await wait_for_workers(app)
await pilot.pause()
await wait_for_workers(app)
await pilot.pause()
assert len(app.screen_stack) == 1
await pilot.press("ctrl+e")
await pilot.pause()
assert len(app.screen_stack) == 2
assert app.screen.id == "export_screen"
assert isinstance(app.screen, ExportScreen)
snap_results.append(await app_snapshot(app, "Export Screen"))
app.screen.file_input.value = f"/tmp/foo-bar-static/{filename}"
await pilot.pause()
snap_results.append(await app_snapshot(app, "Export with Path"))
export_path = tmp_path / filename
app.screen.file_input.value = str(export_path)
await pilot.pause()
await pilot.press("enter")
await wait_for_workers(app)
await pilot.pause()
# test the written file
assert export_path.is_file()
if export_path.suffix == ".json":
with export_path.open("r") as f:
line = f.readline()
assert line == '{"a":1,"b":2}\n'
# ensure we return to the main screen after export
assert len(app.screen_stack) == 1
await wait_for_workers(app)
await pilot.pause()
snap_results.append(await app_snapshot(app, "After Export"))
if not transaction_button_visible(app):
assert all(snap_results)
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