17 lines
404 B
Python
17 lines
404 B
Python
p1=people
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p2=p1.rename({'id':'i'})
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p2=p2.rename({'i':'id'})
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assert p1==p2
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assert p1._readonly
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assert p2._readonly
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# It is VERY important to not change the original relations
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# or other tests might fail randomly, since the relations are
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# only loaded once
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p2.update('age==20', {'age':50})
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assert p2._readonly == False
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assert p1!=p2
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p3 = p2.selection('age!=50')
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p4 = p1.selection('age!=20')
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assert p3==p4
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