def test_multiply_vector():
df = pd.read_csv(get_path('test_data.csv'), header=[0, 1])
result = multiply_vector.multiply_vector(df, get_path('vector.csv'))
expected = [1646.12, 1548.12, 1656.12, 1656.12, 1732.12]
np.testing.assert_array_almost_equal(expected,
np.array(result['wvl'].iloc[0, 0:5]))
result = multiply_vector.multiply_vector(df, get_path('bad_vector.csv'))
assert result == 0
def multiply_vector(self, vectorfile):
self.df = multiply_vector.multiply_vector(self.df,
vectorfile=vectorfile)