diff options
Diffstat (limited to 'kamon-core/src/test/scala/kamon/trace/DefaultIdentityGeneratorSpec.scala')
-rw-r--r-- | kamon-core/src/test/scala/kamon/trace/DefaultIdentityGeneratorSpec.scala | 52 |
1 files changed, 52 insertions, 0 deletions
diff --git a/kamon-core/src/test/scala/kamon/trace/DefaultIdentityGeneratorSpec.scala b/kamon-core/src/test/scala/kamon/trace/DefaultIdentityGeneratorSpec.scala new file mode 100644 index 00000000..8f9af7b0 --- /dev/null +++ b/kamon-core/src/test/scala/kamon/trace/DefaultIdentityGeneratorSpec.scala @@ -0,0 +1,52 @@ +package kamon.trace + +import kamon.trace.IdentityProvider.Identifier +import org.scalatest.{Matchers, OptionValues, WordSpecLike} +import org.scalactic.TimesOnInt._ + +class DefaultIdentityGeneratorSpec extends WordSpecLike with Matchers with OptionValues { + val idProvider = IdentityProvider.Default() + val traceGenerator = idProvider.traceIdGenerator() + val spanGenerator = idProvider.spanIdGenerator() + + validateGenerator("TraceID Generator", traceGenerator) + validateGenerator("SpanID Generator", spanGenerator) + + def validateGenerator(generatorName: String, generator: IdentityProvider.Generator) = { + s"The $generatorName" should { + "generate random longs (8 byte) identifiers" in { + 100 times { + val Identifier(string, bytes) = generator.generate() + + string.length should be(16) + bytes.length should be(8) + } + } + + "decode the string representation back into a identifier" in { + 100 times { + val identifier = generator.generate() + val decodedIdentifier = generator.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 = generator.generate() + val decodedIdentifier = generator.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 { + generator.from("zzzz") shouldBe(IdentityProvider.NoIdentifier) + generator.from(Array[Byte](1)) shouldBe(IdentityProvider.NoIdentifier) + } + } + } +} |