test_kline.py

from unittest.mock import patch

from nose.tools import assert_equal, assert_in

from pyecharts import options as opts
from pyecharts.charts import Kline

data = [
    [2320.26, 2320.26, 2287.3, 2362.94],
    [2300, 2291.3, 2288.26, 2308.38],
    [2295.35, 2346.5, 2295.35, 2345.92],
    [2347.22, 2358.98, 2337.35, 2363.8],
    [2360.75, 2382.48, 2347.89, 2383.76],
    [2383.43, 2385.42, 2371.23, 2391.82],
    [2377.41, 2419.02, 2369.57, 2421.15],
    [2425.92, 2428.15, 2417.58, 2440.38],
    [2411, 2433.13, 2403.3, 2437.42],
    [2432.68, 2334.48, 2427.7, 2441.73],
]


@patch("pyecharts.render.engine.write_utf8_html_file")
def test_kline_base(fake_writer):
    c = (
        Kline()
        .add_xaxis(["2017/7/{}".format(i + 1) for i in range(10)])
        .add_yaxis("kline", data)
        .set_global_opts(
            yaxis_opts=opts.AxisOpts(is_scale=True),
            xaxis_opts=opts.AxisOpts(is_scale=True),
        )
    )
    c.render()
    _, content = fake_writer.call_args[0]
    assert_equal(c.theme, "white")
    assert_equal(c.renderer, "canvas")


@patch("pyecharts.render.engine.write_utf8_html_file")
def test_kline_axispointer_opts(fake_writer):
    c = (
        Kline()
        .add_xaxis(["2017/7/{}".format(i + 1) for i in range(10)])
        .add_yaxis("kline", data)
        .set_global_opts(
            yaxis_opts=opts.AxisOpts(is_scale=True),
            xaxis_opts=opts.AxisOpts(is_scale=True),
            axispointer_opts=opts.AxisPointerOpts(
                is_show=True,
                link=[{"xAxisIndex": "all"}],
                label=opts.LabelOpts(background_color="#777"),
            ),
        )
    )
    c.render()
    _, content = fake_writer.call_args[0]
    assert_in("axisPointer", content)