25 lines
670 B
Python
25 lines
670 B
Python
from matplotlib.sankey import Sankey
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def test_sankey():
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# lets just create a sankey instance and check the code runs
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sankey = Sankey()
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sankey.add()
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def test_label():
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s = Sankey(flows=[0.25], labels=['First'], orientations=[-1])
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assert s.diagrams[0].texts[0].get_text() == 'First\n0.25'
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def test_format_using_callable():
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# test using callable by slightly incrementing above label example
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def show_three_decimal_places(value):
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return f'{value:.3f}'
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s = Sankey(flows=[0.25], labels=['First'], orientations=[-1],
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format=show_three_decimal_places)
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assert s.diagrams[0].texts[0].get_text() == 'First\n0.250'
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