def test_asset_share_table():
    '''
    Test difference_table method.
    '''
    yr = 2018
    assets = Assets()
    p = Specifications(year=yr)
    calc1 = Calculator(p, assets)
    assert calc1.current_year == yr
    asset_df = calc1.asset_share_table()
    assert isinstance(asset_df, pd.DataFrame)
def test_asset_share_table(include_land, include_inventories):
    '''
    Test asset_share_table method.
    '''
    cyr = 2018
    assets = Assets()
    p = Specification(year=cyr)
    calc1 = Calculator(p, assets)
    assert calc1.current_year == cyr
    asset_df = calc1.asset_share_table(include_land=include_land,
                                       include_inventories=include_inventories)
    assert isinstance(asset_df, pd.DataFrame)