test_graphics.py 文件源码

def test_plot_timeseries2():
    filename = abspath(join(testdir, 'plot_timeseries2.png'))
    if isfile(filename):
        os.remove(filename)

    periods = 5
    index = pd.date_range('1/1/2016', periods=periods, freq='H')
    data = np.array([[1,2,3], [4,5,6], [7,8,9], [10,11,12], [13,14,15]])
    df = pd.DataFrame(data=data, index=index, columns=['A', 'B', 'C'])
    tfilter = pd.Series(data = (df.index < index[3]), index = df.index)

    plt.figure()
    pecos.graphics.plot_timeseries(df,tfilter, yaxis_min=0, yaxis_max=20)
    plt.savefig(filename, format='png')
    plt.close()

    assert_true(isfile(filename))