mirror of https://github.com/sbt/sbt.git
36 lines
1.1 KiB
Scala
36 lines
1.1 KiB
Scala
/*
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* sbt
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* Copyright 2011 - 2018, Lightbend, Inc.
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* Copyright 2008 - 2010, Mark Harrah
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* Licensed under Apache License 2.0 (see LICENSE)
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*/
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package sbt
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package internal
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package util
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import sjsonnew.shaded.scalajson.ast.unsafe._
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import sjsonnew._, BasicJsonProtocol._, support.scalajson.unsafe._
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import HListFormats._
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class HListFormatSpec extends UnitSpec {
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val quux = 23 :+: "quux" :+: true :+: HNil
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it should "round trip quux" in assertRoundTrip(quux)
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it should "round trip hnil" in assertRoundTrip(HNil)
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it should "have a flat structure for quux" in assertJsonString(quux, """[23,"quux",true]""")
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it should "have a flat structure for hnil" in assertJsonString(HNil, "[]")
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def assertRoundTrip[A: JsonWriter: JsonReader](x: A) = {
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val jsonString: String = toJsonString(x)
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val jValue: JValue = Parser.parseUnsafe(jsonString)
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val y: A = Converter.fromJson[A](jValue).get
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assert(x === y)
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}
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def assertJsonString[A: JsonWriter](x: A, s: String) = assert(toJsonString(x) === s)
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def toJsonString[A: JsonWriter](x: A): String = CompactPrinter(Converter.toJson(x).get)
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}
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