import unittest from pyecharts.faker import Faker, Collector class TestFaker(unittest.TestCase): def test_rand_color(self): rand_color = Faker.rand_color() assert rand_color is not None def test_img_path(self): self.assertEqual(Faker.img_path(path="/usr/local"), "/usr/local") def test_collector(self): def _add(x, y): return x + y c = Collector() c.funcs(_add) self.assertEqual(c.charts[0][1], "_add")