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123 changes: 123 additions & 0 deletions
123
upickle/test/src/upickle/example/BoxedOptionsTests.scala
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,123 @@ | ||
| package upickle.example | ||
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| import utest._ | ||
| import upickle.example.Simple.Thing | ||
| import scala.language.implicitConversions | ||
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| case class Opt(a: Option[String], b: Option[Int]) | ||
| object Opt{ | ||
| implicit def rw: BoxedOptionsPickler.ReadWriter[Opt] = BoxedOptionsPickler.macroRW | ||
| } | ||
| object BoxedOptionsPickler extends upickle.AttributeTagged { | ||
| override def optionsAsNulls = false | ||
| } | ||
| // end_ex | ||
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| object BoxedOptionsTests extends TestSuite { | ||
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| import BoxedOptionsPickler._ | ||
| implicit def rw: BoxedOptionsPickler.ReadWriter[Thing] = BoxedOptionsPickler.macroRW | ||
| val tests = TestSuite { | ||
| test("nullAsNone"){ | ||
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| // Quick check to ensure we didn't break anything | ||
| test("primitive"){ | ||
| write("A String") ==> "\"A String\"" | ||
| read[String]("\"A String\"") ==> "A String" | ||
| write(1) ==> "1" | ||
| read[Int]("1") ==> 1 | ||
| write(Thing(1, "gg")) ==> """{"myFieldA":1,"myFieldB":"gg"}""" | ||
| read[Thing]("""{"myFieldA":1,"myFieldB":"gg"}""") ==> Thing(1, "gg") | ||
| } | ||
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| test("none"){ | ||
| write[None.type](None) ==> "[]" | ||
| read[None.type]("[]") ==> None | ||
| } | ||
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| test("some"){ | ||
| write(Some("abc")) ==> "[\"abc\"]" | ||
| read[Some[String]]("[\"abc\"]") ==> Some("abc") | ||
| write(Some(1)) ==> "[1]" | ||
| read[Some[Int]]("[1]") ==> Some(1) | ||
| write(Some(3.14159)) ==> "[3.14159]" | ||
| read[Some[Double]]("[3.14159]") ==> Some(3.14159) | ||
| } | ||
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| test("option"){ | ||
| write(Option("abc")) ==> "[\"abc\"]" | ||
| read[Option[String]]("[\"abc\"]") ==> Some("abc") | ||
| read[Option[String]]("[]") ==> None | ||
| } | ||
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| test("caseClass"){ | ||
| write(Opt(None, None)) ==> """{"a":[],"b":[]}""" | ||
| read[Opt]("""{"a":[],"b":[]}""") ==> Opt(None, None) | ||
| write(Opt(Some("abc"), Some(1))) ==> """{"a":["abc"],"b":[1]}""" | ||
| } | ||
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| test("optionCaseClass"){ | ||
| write(Opt(None, None)) ==> """{"a":[],"b":[]}""" | ||
| read[Opt]("""{"a":[],"b":[]}""") ==> Opt(None, None) | ||
| write(Opt(Some("abc"), Some(1))) ==> """{"a":["abc"],"b":[1]}""" | ||
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| write(Option(Thing(1, "gg"))) ==> """[{"myFieldA":1,"myFieldB":"gg"}]""" | ||
| read[Option[Thing]]("""[{"myFieldA":1,"myFieldB":"gg"}]""") ==> Option(Thing(1, "gg")) | ||
| } | ||
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| // New tests. Work as expected. | ||
| test("customPickler") { | ||
| // Custom pickler copied from the documentation | ||
| class CustomThing2(val i: Int, val s: String) | ||
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| object CustomThing2 { | ||
| implicit val rw: BoxedOptionsPickler.ReadWriter[CustomThing2] = BoxedOptionsPickler.readwriter[String].bimap[CustomThing2]( | ||
| x => s"${x.i} ${x.s}", | ||
| str => { | ||
| val Array(i, s) = str.split(" ", 2) | ||
| new CustomThing2(i.toInt, s) | ||
| } | ||
| ) | ||
| } | ||
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| test("customClass") { | ||
| write(new CustomThing2(10, "Custom")) ==> "\"10 Custom\"" | ||
| val r = read[CustomThing2]("\"10 Custom\"") | ||
| assert(r.i == 10, r.s == "Custom") | ||
| } | ||
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| test("optCustomClass_Some") { | ||
| write(Some(new CustomThing2(10, "Custom"))) ==> "[\"10 Custom\"]" | ||
| val r = read[Option[CustomThing2]]("[\"10 Custom\"]") | ||
| assert(r.get.i == 10, r.get.s == "Custom") | ||
| } | ||
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| test("optCustomClass_None") { | ||
| read[Option[CustomThing2]]("[]") ==> None | ||
| } | ||
| } | ||
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| // Copied from ExampleTests | ||
| test("Js") { | ||
| import BoxedOptionsPickler._ // changed from upickle.default._ | ||
| case class Bar(i: Int, s: String) | ||
| implicit val fooReadWrite: ReadWriter[Bar] = | ||
| readwriter[ujson.Value].bimap[Bar]( | ||
| x => ujson.Arr(x.s, x.i), | ||
| json => new Bar(json(1).num.toInt, json(0).str) | ||
| ) | ||
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| write(Bar(123, "abc")) ==> """["abc",123]""" | ||
| read[Bar]("""["abc",123]""") ==> Bar(123, "abc") | ||
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| // New tests. Last one fails. Why? | ||
| test("option") { | ||
| test("write") {write(Some(Bar(123, "abc"))) ==> """[["abc",123]]"""} | ||
| test("readSome") {read[Option[Bar]]("""[["abc",123]]""") ==> Some(Bar(123, "abc"))} | ||
| test("readNull") {read[Option[Bar]]("""[]""") ==> None} | ||
| } | ||
| } | ||
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| } | ||
| } | ||
| } |
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