forked from Rust-related/RustPython
57 lines
1.7 KiB
Python
57 lines
1.7 KiB
Python
import json
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def round_trip_test(obj):
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# serde_json and Python's json module produce slightly differently spaced
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# output; direct string comparison can't pass on both so we use this as a
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# proxy
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assert obj == json.loads(json.dumps(obj))
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assert '"string"' == json.dumps("string")
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assert "1" == json.dumps(1)
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assert "1.0" == json.dumps(1.0)
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assert "true" == json.dumps(True)
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assert "false" == json.dumps(False)
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assert 'null' == json.dumps(None)
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assert '[]' == json.dumps([])
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assert '[1]' == json.dumps([1])
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assert '[[1]]' == json.dumps([[1]])
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round_trip_test([1, "string", 1.0, True])
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assert '[]' == json.dumps(())
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assert '[1]' == json.dumps((1,))
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assert '[[1]]' == json.dumps(((1,),))
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# tuples don't round-trip through json
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assert [1, "string", 1.0, True] == json.loads(json.dumps((1, "string", 1.0, True)))
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assert '{}' == json.dumps({})
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# TODO: uncomment once dict comparison is implemented
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# round_trip_test({'a': 'b'})
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assert 1 == json.loads("1")
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assert -1 == json.loads("-1")
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assert 1.0 == json.loads("1.0")
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assert -1.0 == json.loads("-1.0")
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assert "str" == json.loads('"str"')
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assert True is json.loads('true')
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assert False is json.loads('false')
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assert None is json.loads('null')
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assert [] == json.loads('[]')
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assert ['a'] == json.loads('["a"]')
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assert [['a'], 'b'] == json.loads('[["a"], "b"]')
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class String(str): pass
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assert "string" == json.loads(String('"string"'))
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assert '"string"' == json.dumps(String("string"))
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# TODO: Uncomment and test once int/float construction is supported
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# class Int(int): pass
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# class Float(float): pass
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# TODO: Uncomment and test once sequence/dict subclasses are supported by
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# json.dumps
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# class List(list): pass
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# class Tuple(tuple): pass
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# class Dict(dict): pass
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