tests/test_serialization.nit

   1 import serialization
   2 import json_serialization
   3
   4 # Simple class
   5 class A
   6         auto_serializable
   7         super Serializable
   8
   9         var b: Bool
  10         var c: Char
  11         var f: Float
  12         var i: Int
  13         var s: String
  14         var n: nullable Int
  15
  16         init(b: Bool, c: Char, f: Float, i: Int, s: String, n: nullable Int)
  17         do
  18                 self.b = b
  19                 self.c = c
  20                 self.f = f
  21                 self.i = i
  22                 self.s = s
  23         end
  24
  25         redef fun to_s do return "<A: {b} {c} {f} {i} {s} {n != null}>"
  26 end
  27
  28 # Sub-class of A
  29 class B
  30         auto_serializable
  31         super A
  32
  33         var ii: Int
  34         var ss: String
  35
  36         init(b: Bool, c: Char, f: Float, i: Int, s: String, n: nullable Int, ii: Int, ss: String)
  37         do
  38                 super(b, c, f, i, s, n)
  39
  40                 self.ii = ii
  41                 self.ss = ss
  42         end
  43
  44         redef fun to_s do return "<B: {super} {ii} {ss}>"
  45 end
  46
  47 # Composed of an A and a B
  48 class C
  49         auto_serializable
  50         super Serializable
  51
  52         var a: A
  53         var b: B
  54         var aa: A
  55
  56         init(a: A, b: B)
  57         do
  58                 self.a = a
  59                 self.b = b
  60                 self.aa = a
  61         end
  62
  63         redef fun to_s do return "<C: {a} {b}>"
  64 end
  65
  66 # Class with cyclic reference
  67 class D
  68         auto_serializable
  69         super B
  70
  71         var d: nullable D = null
  72
  73         redef fun to_s do return "<D: {super} {d != null}>"
  74 end
  75
  76 var a = new A(true, 'a', 0.1234, 1234, "asdf", null)
  77 var b = new B(false, 'b', 123.123, 2345, "hjkl", 12, 1111, "qwer")
  78 var c = new C(a, b)
  79 var d = new D(false, 'b', 123.123, 2345, "new line ->\n<-", null, 1111, "\t\f\"\r\\/")
  80 d.d = d
  81
  82 for o in new Array[nullable Serializable].with_items(a, b, c, d) do
  83         var stream = new StringOStream
  84         var serializer = new JsonSerializer(stream)
  85         serializer.serialize(o)
  86
  87         print "# Nit:\n{o}\n"
  88         print "# Json:\n{stream}\n"
  89 end