41 lines
1.3 KiB
Python
41 lines
1.3 KiB
Python
import unittest
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import pandas as pd
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from lightweight_charts import Chart
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import asyncio
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from util import BARS, Tester
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class TestReturns(Tester):
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def test_screenshot_returns_value(self):
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self.chart.set(BARS)
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self.chart.show()
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screenshot_data = self.chart.screenshot()
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self.assertIsNotNone(screenshot_data)
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def test_save_drawings(self):
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self.chart.exit()
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async def main():
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asyncio.create_task(self.chart.show_async());
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await asyncio.sleep(2)
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self.chart.toolbox.drawings.clear() # clear drawings in python
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self.assertTrue(len(self.chart.toolbox.drawings) == 0)
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self.chart.run_script(f'{self.chart.id}.toolBox.saveDrawings();')
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await asyncio.sleep(1) # resave them, and assert they exist
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self.assertTrue(len(self.chart.toolbox.drawings) > 0)
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self.chart.exit()
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self.chart = Chart(toolbox=True, debug=True)
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self.chart.set(BARS)
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self.chart.topbar.textbox('symbol', 'SYM', align='right')
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self.chart.toolbox.save_drawings_under(self.chart.topbar['symbol'])
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self.chart.toolbox.import_drawings("drawings.json")
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self.chart.toolbox.load_drawings("SYM")
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asyncio.run(main())
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if __name__ == '__main__':
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unittest.main() |