[Qgis-user] How do people unit test plugin code?

[Ian Turton]

I was toying with refactoring my plugin code the other day, but I thought I
would add some unit tests using pytest before I started to make sure I
didn't break anything. But when I try something like:

def test_convertGridRef():
     QgsExpression.registerFunction(convertGridRef)
     e = QgsExpression('convertGridRef("SE2720")')
     assert e.evaluate(None) == 'POINT (427000 420000)'

e.evaluate returns None - when it should either return a point or an
exception

Does anyone have some good plugin unit test examples I can take a look at?

Thanks

Ian
-- 
Ian Turton
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