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package com.softwaremill.sttp.brave
import brave.http.{HttpTracing, ITHttpClient}
import brave.internal.HexCodec
import com.softwaremill.sttp._
import okhttp3.mockwebserver.MockResponse
import org.scalatest.{BeforeAndAfter, FlatSpec, Matchers}
import zipkin2.Span
class BraveBackendTest extends FlatSpec with Matchers with BeforeAndAfter {
// test proxy - contains the brave instrumentation tests
private var t: ITHttpClient[SttpBackend[Id, Nothing]] = null
// we need to extract these protected ITHttpClient members to use in the custom test
private var _backend: SttpBackend[Id, Nothing] = null
private var _httpTracing: HttpTracing = null
private var _takeSpan: () => Span = null
def newT(): Unit = {
t = new ITHttpClient[SttpBackend[Id, Nothing]]() {
override def post(client: SttpBackend[Id, Nothing],
pathIncludingQuery: String,
body: String): Unit = {
client.send(sttp.post(uri"${url(pathIncludingQuery)}").body(body))
}
override def get(client: SttpBackend[Id, Nothing],
pathIncludingQuery: String): Unit = {
client.send(sttp.get(uri"${url(pathIncludingQuery)}"))
}
override def closeClient(client: SttpBackend[Id, Nothing]): Unit =
client.close()
override def newClient(port: Int): SttpBackend[Id, Nothing] = {
_backend =
BraveBackend[Id, Nothing](HttpURLConnectionBackend(), httpTracing)
_httpTracing = httpTracing
_takeSpan = () => takeSpan()
_backend
}
}
}
before {
newT()
t.setup()
}
after {
t.close()
t.server.shutdown()
}
it should "propagatesSpan" in {
t.propagatesSpan()
}
it should "makesChildOfCurrentSpan" in {
t.makesChildOfCurrentSpan()
}
it should "propagatesExtra_newTrace" in {
t.propagatesExtra_newTrace()
}
it should "propagatesExtra_unsampledTrace" in {
t.propagatesExtra_unsampledTrace()
}
it should "propagates_sampledFalse" in {
t.propagates_sampledFalse()
}
it should "customSampler" in {
t.customSampler()
}
it should "reportsClientKindToZipkin" in {
t.reportsClientKindToZipkin()
}
it should "reportsServerAddress" in {
t.reportsServerAddress()
}
it should "defaultSpanNameIsMethodName" in {
t.defaultSpanNameIsMethodName()
}
it should "supportsPortableCustomization" in {
t.supportsPortableCustomization()
}
it should "addsStatusCodeWhenNotOk" in {
t.addsStatusCodeWhenNotOk()
}
it should "redirect" in {
t.redirect()
}
it should "post" in {
t.post()
}
// these tests take a very long time to complete, but pass last time I checked
// it should "reportsSpanOnTransportException" in {
// t.reportsSpanOnTransportException()
// }
// it should "addsErrorTagOnTransportException" in {
// t.addsErrorTagOnTransportException()
// }
it should "httpPathTagExcludesQueryParams" in {
t.httpPathTagExcludesQueryParams()
}
it should "use the tracing context from tags if available" in {
val tracer = _httpTracing.tracing.tracer
t.server.enqueue(new MockResponse)
val parent = tracer.newTrace.name("test").start
try {
import com.softwaremill.sttp.brave.BraveBackend._
_backend.send(
sttp
.get(uri"http://127.0.0.1:${t.server.getPort}/foo")
.tagWithTraceContext(parent.context()))
} finally parent.finish()
val request = t.server.takeRequest
request.getHeader("x-b3-traceId") should be(parent.context.traceIdString)
request.getHeader("x-b3-parentspanid") should be(
HexCodec.toLowerHex(parent.context.spanId))
Set(_takeSpan(), _takeSpan()).map(_.kind) should be(
Set(null, Span.Kind.CLIENT))
}
}
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