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package kamon.trace
import kamon.trace.IdentityProvider.Identifier
import org.scalactic.TimesOnInt._
import org.scalatest.{Matchers, OptionValues, WordSpecLike}
class DoubleLengthTraceIdentityGeneratorSpec extends WordSpecLike with Matchers with OptionValues {
val idProvider = IdentityProvider.DoubleSizeTraceID()
val traceGenerator = idProvider.traceIdGenerator()
val spanGenerator = idProvider.spanIdGenerator()
"The DoubleSizeTraceID identity provider" when {
"generating trace identifiers" should {
"generate random longs (16 byte) identifiers" in {
100 times {
val Identifier(string, bytes) = traceGenerator.generate()
string.length should be(32)
bytes.length should be(16)
}
}
"decode the string representation back into a identifier" in {
100 times {
val identifier = traceGenerator.generate()
val decodedIdentifier = traceGenerator.from(identifier.string)
identifier.string should equal(decodedIdentifier.string)
identifier.bytes should equal(decodedIdentifier.bytes)
}
}
"decode the bytes representation back into a identifier" in {
100 times {
val identifier = traceGenerator.generate()
val decodedIdentifier = traceGenerator.from(identifier.bytes)
identifier.string should equal(decodedIdentifier.string)
identifier.bytes should equal(decodedIdentifier.bytes)
}
}
"return IdentityProvider.NoIdentifier if the provided input cannot be decoded into a Identifier" in {
traceGenerator.from("zzzz") shouldBe (IdentityProvider.NoIdentifier)
traceGenerator.from(Array[Byte](1)) shouldBe (IdentityProvider.NoIdentifier)
}
}
"generating span identifiers" should {
"generate random longs (8 byte) identifiers" in {
100 times {
val Identifier(string, bytes) = spanGenerator.generate()
string.length should be(16)
bytes.length should be(8)
}
}
"decode the string representation back into a identifier" in {
100 times {
val identifier = spanGenerator.generate()
val decodedIdentifier = spanGenerator.from(identifier.string)
identifier.string should equal(decodedIdentifier.string)
identifier.bytes should equal(decodedIdentifier.bytes)
}
}
"decode the bytes representation back into a identifier" in {
100 times {
val identifier = spanGenerator.generate()
val decodedIdentifier = spanGenerator.from(identifier.bytes)
identifier.string should equal(decodedIdentifier.string)
identifier.bytes should equal(decodedIdentifier.bytes)
}
}
"return IdentityProvider.NoIdentifier if the provided input cannot be decoded into a Identifier" in {
spanGenerator.from("zzzz") shouldBe (IdentityProvider.NoIdentifier)
spanGenerator.from(Array[Byte](1)) shouldBe (IdentityProvider.NoIdentifier)
}
}
}
}
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