def test_sort_collectionsmodel_with_many_rows():
coll = list(range(2 * LARGE_NROWS))
cm = CollectionsModel(None, coll)
assert cm.rowCount() == cm.rows_loaded == ROWS_TO_LOAD
assert cm.columnCount() == 4
cm.sort(1) # This was causing an issue (#5232)
cm.fetchMore()
assert cm.rowCount() == 2 * ROWS_TO_LOAD
for _ in range(3):
cm.fetchMore()
assert cm.rowCount() == len(coll)
def test_sort_collectionsmodel_with_many_rows():
coll = list(range(2*LARGE_NROWS))
cm = CollectionsModel(None, coll)
assert cm.rowCount() == cm.rows_loaded == ROWS_TO_LOAD
assert cm.columnCount() == 4
cm.sort(1) # This was causing an issue (#5232)
cm.fetchMore()
assert cm.rowCount() == 2 * ROWS_TO_LOAD
for _ in range(3):
cm.fetchMore()
assert cm.rowCount() == len(coll)
def test_notimplementederror_multiindex():
"""
Test that the NotImplementedError when scrolling a MultiIndex is handled.
Regression test for issue #6284 .
"""
time_deltas = [pandas.Timedelta(minutes=minute)
for minute in range(5, 35, 5)]
time_delta_multiindex = pandas.MultiIndex.from_product([[0, 1, 2, 3, 4],
time_deltas])
col_model = CollectionsModel(None, time_delta_multiindex)
assert col_model.rowCount() == col_model.rows_loaded == ROWS_TO_LOAD
assert col_model.columnCount() == 4
col_model.fetchMore()
assert col_model.rowCount() == 2 * ROWS_TO_LOAD
for _ in range(3):
col_model.fetchMore()
assert col_model.rowCount() == 5 * ROWS_TO_LOAD