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Always Succeed With Constant Configuration Value #7543

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Merged
merged 2 commits into from
Nov 20, 2022
Merged

Always Succeed With Constant Configuration Value #7543

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839be6e
always succeed with constant value
adamgfraser Nov 20, 2022
2248a22
fix test
adamgfraser Nov 20, 2022
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11 changes: 11 additions & 0 deletions core-tests/shared/src/test/scala/zio/ConfigProviderSpec.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -184,6 +184,11 @@ object ConfigProviderSpec extends ZIOBaseSpec {
for {
exit <- provider(Map("k1.k3" -> "v")).load(Config.string("k2").nested("k1")).exit
} yield assert(exit)(Assertion.failsWithA[Config.Error])
} +
test("accessing a constant value succeeds") {
for {
value <- provider(Map()).load(Config.succeed("value"))
} yield assertTrue(value == "value")
}
) + suite("props")(
test("flat atoms") {
Expand Down Expand Up @@ -283,6 +288,12 @@ object ConfigProviderSpec extends ZIOBaseSpec {
)
)
)
},
test("succeed for constant value") {
for {
provider <- propsProvider(Map())
result <- provider.load(Config.succeed("value"))
} yield assertTrue(result == "value")
}
)
}
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6 changes: 6 additions & 0 deletions core/shared/src/main/scala/zio/ConfigProvider.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -260,6 +260,12 @@ object ConfigProvider {
}
} yield result

case Constant(value) =>
ZIO.succeed(Chunk(value))

case Fail(message) =>
ZIO.fail(Config.Error.MissingData(prefix, message))

case primitive: Primitive[A] =>
for {
vs <- flat.load(prefix, primitive).catchSome {
Expand Down