text: import re
  
  import pytest
  import xarray as xr
  
  from sgkit.testing import simulate_genotype_call_dataset
  
  
  def test_simulate_genotype_call_dataset__zarr(tmp_path):
      path = str(tmp_path / "ds.zarr")
      ds = simulate_genotype_call_dataset(n_variant=10, n_sample=10)
      ds.to_zarr(path)
      xr.testing.assert_equal(ds, xr.open_zarr(path, concat_characters=False))  # type: ignore[no-untyped-call]
  
  
  def test_simulate_genotype_call_dataset__invalid_missing_pct():
      with pytest.raises(
          ValueError, match=re.escape("missing_pct must be within [0.0, 1.0]")
      ):
          simulate_genotype_call_dataset(n_variant=10, n_sample=10, missing_pct=-1.0)
  