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add MDC override test #252

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merged 1 commit into from
Nov 30, 2023
Merged

add MDC override test #252

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23 changes: 23 additions & 0 deletions core/src/test/scala/com/evolutiongaming/catshelper/LogSpec.scala
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Original file line number Diff line number Diff line change
Expand Up @@ -97,6 +97,29 @@ class LogSpec extends AnyFunSuite with Matchers {
Action.OfStr("source")))
}

test("preset MDC override by in-place MDC") {

val label = "whatever"
val mdc0 = Log.Mdc.Eager(label -> "initial value")
val mdc1 = Log.Mdc.Eager(label -> "overridden value")

val stateT = for {
log0 <- logOf("source")
log = log0.withMdc(mdc0)
_ <- log.warn("warn")
_ <- log.info("info", mdc1)
_ <- log.error("error")
} yield {}

val (state, _) = stateT.run(State(Nil))
state shouldEqual State(List(
Action.Error0("error", mdc0),
Action.Info("info", mdc1),
Action.Warn0("warn", mdc0),
Action.OfStr("source")
))
}

test("MDC cleanup") {

val io = for {
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