mirror of https://github.com/waku-org/nwaku.git
97 lines
2.1 KiB
Nim
97 lines
2.1 KiB
Nim
{.used.}
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import testutils/unittests
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import waku/common/protobuf
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## Fixtures
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const MaxTestRpcFieldLen = 5
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type TestRpc = object
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testField*: string
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proc init(T: type TestRpc, field: string): T =
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T(testField: field)
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proc encode(rpc: TestRpc): ProtoBuffer =
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var pb = initProtoBuffer()
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pb.write3(1, rpc.testField)
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pb.finish3()
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pb
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proc encodeWithBadFieldId(rpc: TestRpc): ProtoBuffer =
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var pb = initProtoBuffer()
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pb.write3(666, rpc.testField)
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pb.finish3()
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pb
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proc decode(T: type TestRpc, buf: seq[byte]): ProtobufResult[T] =
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let pb = initProtoBuffer(buf)
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var field: string
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if not ?pb.getField(1, field):
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return err(ProtobufError.missingRequiredField("test_field"))
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if field.len > MaxTestRpcFieldLen:
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return err(ProtobufError.invalidLengthField("test_field"))
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ok(TestRpc.init(field))
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## Tests
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suite "Waku Common - libp2p minprotobuf wrapper":
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test "serialize and deserialize - valid length field":
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## Given
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let field = "12345"
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let rpc = TestRpc.init(field)
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## When
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let encodedRpc = rpc.encode()
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let decodedRpcRes = TestRpc.decode(encodedRpc.buffer)
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## Then
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check:
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decodedRpcRes.isOk()
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let decodedRpc = decodedRpcRes.tryGet()
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check:
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decodedRpc.testField == field
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test "serialize and deserialize - missing required field":
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## Given
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let field = "12345"
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let rpc = TestRpc.init(field)
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## When
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let encodedRpc = rpc.encodeWithBadFieldId()
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let decodedRpcRes = TestRpc.decode(encodedRpc.buffer)
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## Then
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check:
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decodedRpcRes.isErr()
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let error = decodedRpcRes.tryError()
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check:
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error.kind == ProtobufErrorKind.MissingRequiredField
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error.field == "test_field"
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test "serialize and deserialize - invalid length field":
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## Given
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let field = "123456" # field.len = MaxTestRpcFieldLen + 1
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let rpc = TestRpc.init(field)
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## When
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let encodedRpc = rpc.encode()
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let decodedRpcRes = TestRpc.decode(encodedRpc.buffer)
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## Then
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check:
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decodedRpcRes.isErr()
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let error = decodedRpcRes.tryError()
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check:
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error.kind == ProtobufErrorKind.InvalidLengthField
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error.field == "test_field"
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