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add BigInt type (#1261)
* add BigInt type * formatting * more Int tests
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@ -82,6 +82,33 @@ class Int(Scalar):
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return num
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class BigInt(Scalar):
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"""
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The `BigInt` scalar type represents non-fractional whole numeric values.
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`BigInt` is not constrained to 32-bit like the `Int` type and thus is a less
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compatible type.
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"""
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@staticmethod
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def coerce_int(value):
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try:
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num = int(value)
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except ValueError:
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try:
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num = int(float(value))
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except ValueError:
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return None
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return num
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serialize = coerce_int
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parse_value = coerce_int
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@staticmethod
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def parse_literal(ast):
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if isinstance(ast, IntValueNode):
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return int(ast.value)
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class Float(Scalar):
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"""
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The `Float` scalar type represents signed double-precision fractional
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@ -1,4 +1,5 @@
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from ..scalars import Scalar
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from ..scalars import Scalar, Int, BigInt
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from graphql.language.ast import IntValueNode
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def test_scalar():
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@ -7,3 +8,22 @@ def test_scalar():
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assert JSONScalar._meta.name == "JSONScalar"
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assert JSONScalar._meta.description == "Documentation"
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def test_ints():
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assert Int.parse_value(2 ** 31 - 1) is not None
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assert Int.parse_value("2.0") is not None
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assert Int.parse_value(2 ** 31) is None
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assert Int.parse_literal(IntValueNode(value=str(2 ** 31 - 1))) == 2 ** 31 - 1
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assert Int.parse_literal(IntValueNode(value=str(2 ** 31))) is None
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assert Int.parse_value(-(2 ** 31)) is not None
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assert Int.parse_value(-(2 ** 31) - 1) is None
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assert BigInt.parse_value(2 ** 31) is not None
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assert BigInt.parse_value("2.0") is not None
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assert BigInt.parse_value(-(2 ** 31) - 1) is not None
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assert BigInt.parse_literal(IntValueNode(value=str(2 ** 31 - 1))) == 2 ** 31 - 1
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assert BigInt.parse_literal(IntValueNode(value=str(2 ** 31))) == 2 ** 31
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