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Pin down the current behavior in regard to implicit resolution… #618

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merged 1 commit into from
Oct 3, 2024
Merged

Pin down the current behavior in regard to implicit resolution… #618

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23 changes: 23 additions & 0 deletions chimney/src/test/scala-3/io/scalaland/chimney/IssuesScala3Spec.scala
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Original file line number Diff line number Diff line change
@@ -0,0 +1,23 @@
package io.scalaland.chimney

import io.scalaland.chimney.dsl.*

class IssuesScala3Spec extends ChimneySpec {

test("fix issue #592 (givens in companion)") {
case class Foo(a: Int, b: String)
case class Bar(a: Int, b: String)
case class Baz(a: Int)
object Foo {
given totalTransformer: Transformer[Foo, Bar] =
Transformer.define[Foo, Bar].withFieldConst(_.a, 10).buildTransformer
given partialTransformer: PartialTransformer[Foo, Bar] =
PartialTransformer.define[Foo, Bar].withFieldConst(_.a, 20).buildTransformer
given patcher: Patcher[Foo, Baz] = (_, baz) => Foo(baz.a, "patched")
}

Foo(1, "value").transformInto[Bar] ==> Bar(10, "value")
Foo(1, "value").transformIntoPartial[Bar].asOption.get ==> Bar(20, "value")
Foo(1, "value").patchUsing(Baz(30)) ==> Foo(30, "patched")
}
}
17 changes: 17 additions & 0 deletions chimney/src/test/scala/io/scalaland/chimney/IssuesSpec.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -787,4 +787,21 @@ class IssuesSpec extends ChimneySpec {
assert(writer.transform(color.yellow) == yellowTarget)
assert(writer.transform(color.orange) == orangeTarget)
}

test("fix issue #592 (implicits in companion)") {
case class Foo(a: Int, b: String)
case class Bar(a: Int, b: String)
case class Baz(a: Int)
object Foo {
implicit val totalTransformer: Transformer[Foo, Bar] =
Transformer.define[Foo, Bar].withFieldConst(_.a, 10).buildTransformer
implicit val partialTransformer: PartialTransformer[Foo, Bar] =
PartialTransformer.define[Foo, Bar].withFieldConst(_.a, 20).buildTransformer
implicit val patcher: Patcher[Foo, Baz] = (_, baz) => Foo(baz.a, "patched")
}

Foo(1, "value").transformInto[Bar] ==> Bar(10, "value")
Foo(1, "value").transformIntoPartial[Bar].asOption.get ==> Bar(20, "value")
Foo(1, "value").patchUsing(Baz(30)) ==> Foo(30, "patched")
}
}
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