def test_views():
    X = np.array(X_list)
    adata = ad.AnnData(X, obs=obs_dict, var=var_dict, uns=uns_dict, dtype="int32")

    assert adata[:, 0].is_view
    assert adata[:, 0].X.tolist() == np.reshape([1, 4, 7], (3, 1)).tolist()

    adata[:2, 0].X = [0, 0]

    assert adata[:, 0].X.tolist() == np.reshape([0, 0, 7], (3, 1)).tolist()

    adata_subset = adata[:2, [0, 1]]

    assert adata_subset.is_view
    # now transition to actual object
    adata_subset.obs["foo"] = range(2)
    assert not adata_subset.is_view

    assert adata_subset.obs["foo"].tolist() == list(range(2))
def GetCompletions_Basic_test( app ):
  filepath = PathToTestFile( 'basic.py' )
  completion_data = BuildRequest( filepath = filepath,
                                  filetype = 'python',
                                  contents = ReadFile( filepath ),
                                  line_num = 7,
                                  column_num = 3)

  results = app.post_json( '/completions',
                           completion_data ).json[ 'completions' ]

  assert_that( results,
               has_items(
                 CompletionEntryMatcher( 'a' ),
                 CompletionEntryMatcher( 'b' ),
                 CompletionLocationMatcher( 'line_num', 3 ),
                 CompletionLocationMatcher( 'line_num', 4 ),
                 CompletionLocationMatcher( 'column_num', 10 ),
                 CompletionLocationMatcher( 'filepath', filepath ) ) )