nim-serde/tests/json/testPragmas.nim

import std/unittest

import pkg/serde

suite "json serialization pragmas":
  test "fails to compile when object marked with 'serialize' specifies options":
    type MyObj {.serialize(key = "test", ignore = true).} = object

    check not compiles(%MyObj())

  test "compiles when object marked with 'serialize' only":
    type MyObj {.serialize.} = object

    check compiles(%MyObj())

  test "fails to compile when field marked with 'deserialize' specifies mode":
    type MyObj = object
      field {.deserialize(mode = OptIn).}: bool

    check not compiles(MyObj.fromJson("""{"field":true}"""))

  test "compiles when object marked with 'deserialize' specifies mode":
    type MyObj {.deserialize(mode = OptIn).} = object
      field: bool

    check compiles(MyObj.fromJson("""{"field":true}"""))

  test "fails to compile when object marked with 'deserialize' specifies key":
    type MyObj {.deserialize("test").} = object
      field: bool

    check not compiles(MyObj.fromJson("""{"field":true}"""))

  test "compiles when field marked with 'deserialize' specifies key":
    type MyObj = object
      field {.deserialize("test").}: bool

    check compiles(MyObj.fromJson("""{"field":true}"""))

  test "compiles when field marked with empty 'deserialize'":
    type MyObj = object
      field {.deserialize.}: bool

    check compiles(MyObj.fromJson("""{"field":true}"""))

  test "compiles when field marked with 'serialize'":
    type MyObj = object
      field {.serialize.}: bool

    check compiles(%MyObj())