def test_layers_view():
    X = np.array([[1, 2, 3], [4, 5, 6], [7, 8, 9]])
    L = np.array([[10, 11, 12], [13, 14, 15], [16, 17, 18]])
    real_adata = ad.AnnData(X)
    real_adata.layers["L"] = L
    view_adata = real_adata[1:, 1:]
    real_hash = joblib.hash(real_adata)
    view_hash = joblib.hash(view_adata)

    assert view_adata.is_view

    with pytest.raises(ValueError):
        view_adata.layers["L2"] = L + 2

    assert view_adata.is_view  # Failing to set layer item makes adata not view
    assert real_hash == joblib.hash(real_adata)
    assert view_hash == joblib.hash(view_adata)

    view_adata.layers["L2"] = L[1:, 1:] + 2

    assert not view_adata.is_view
    assert real_hash == joblib.hash(real_adata)
    assert view_hash != joblib.hash(view_adata)
def GetCompletions_NoSuggestions_Fallback_test( app ):
  # Python completer doesn't raise NO_COMPLETIONS_MESSAGE, so this is a
  # different code path to the Clang completer cases

  # TESTCASE2 (general_fallback/lang_python.py)
  RunTest( app, {
    'description': 'param jedi does not know about (id). query="a_p"',
    'request': {
      'filetype'  : 'python',
      'filepath'  : PathToTestFile( 'general_fallback',
                                    'lang_python.py' ),
      'line_num'  : 28,
      'column_num': 20,
      'force_semantic': False,
    },
    'expect': {
      'response': http.client.OK,
      'data': has_entries( {
        'completions': contains(
          CompletionEntryMatcher( 'a_parameter', '[ID]' ),
          CompletionEntryMatcher( 'another_parameter', '[ID]' ),
        ),
        'errors': empty(),
      } )
    },
  } )