A easy to use validator for json content
Project description
Believe
A python package for json validation. Useful for unit test or data validation for restful json body.
Installation
pip install believe
Sample usage
import believe as B
import time
# String Match
assert B.AnyStr() == "any_str"
assert B.AnyIntStr() == "123"
assert B.AnyUUID() == "732c0743-2638-47d5-902d-0daa3080348b"
assert B.AnySHA1() == "b130c4b97d0640eaf3f45f7360a5b4dbbf561f58"
# Number Match
assert B.AnyInt(min_value=1) == 1 # X >= 1
assert B.AnyInt(max_value=10) == 10 # X <= 10
assert B.AnyInt(min_value=1, max_value=10) == 5 # 1 <= X <= 10
assert B.Almost(time.time()) == time.time() # Allow some time gap
# List Match
assert B.OneOf("one", "two") == "one"
assert B.AnyOrder([1, 2, 3]) == [2, 1, 3]
assert B.ListOf({"type": B.OneOf("A", "B")}) == [{"type": "A"}, {"type": "B"}, {"type": "A"}]
# Dict Match
assert B.Dict({"name": B.AnyStr()}) == {"name": "ken"}
assert B.Dict({"name": B.AnyStr(), "value": B.Optional(B.AnyStr())}) == {"name": "ken"}
assert B.Dict({"name": B.AnyStr(), "value": B.Optional(B.AnyStr())}) == {"name": "ken", "value": "nek"}
assert B.DictOf(B.AnyUUID(), B.OneOf("ok", "fail")) == {"732c0743-2638-47d5-902d-0daa3080348b": "ok",
"5cfd50ba-c3d3-4fb7-b2fe-e9a6e039ad29": "fail"}
# Other Match
assert B.Nullable(B.AnyStr()) == None # Allow None
assert B.Any(bytes) == b'123' # only check type
assert B.Not(B.OneOf("A")) == "B"
# validate with error exception
validator = B.Dict({"name": B.AnyInt()})
B.validate(validator, {"name": "ken"}) # believe.error.ValidateError: [e_path=$.name] 'ken' != AnyInt()
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