Scaffold for testing on Solr with live data

We still need to figure out how the test data is going to be made
available to CI/github actions. Hence currently tests will fail.

.gitignore

@@ -40,3 +40,5 @@ conf/dos.conf*
 conf/minio.conf*
 conf/api-keys.conf*
 solr6
+# data which is not yet vetted
+test/resources/searchdata.json

test/integration/search/SolrSearchSpec.scala

@@ -0,0 +1,64 @@
+package integration.search
+
+import akka.actor.ActorSystem
+import akka.http.scaladsl.Http
+import akka.http.scaladsl.model._
+import akka.stream.Materializer
+import akka.util.ByteString
+import config.ServiceConfig
+import eu.ehri.project.search.solr.SolrSearchEngine
+import org.specs2.specification.BeforeAfterAll
+import play.api.test.{PlaySpecification, WithApplication}
+import play.api.{Application, Environment}
+import services.search.{SearchHit, SearchParams, SearchQuery, SearchResult}
+
+import java.nio.file.Paths
+import scala.concurrent.ExecutionContext.Implicits._
+import scala.concurrent.Future
+
+
+class SolrSearchSpec extends PlaySpecification with BeforeAfterAll {
+
+  private implicit val system: ActorSystem = ActorSystem.create("search-test")
+  private implicit val mat: Materializer = Materializer.matFromSystem
+
+  "SolrSearch" should {
+    "response 'ok' to status" in new WithApplication {
+      val sc = app.injector.instanceOf[SolrSearchEngine]
+      await(sc.status()) must_== "ok"
+    }
+
+    "return an appropriate number of items on glob select" in new WithApplication {
+      val r = await(search("*"))
+      r.page.total must beGreaterThan(4000)
+    }
+  }
+
+  private def search(q: String)(implicit app: Application): Future[SearchResult[SearchHit]] = {
+    val params = SearchParams(query = Some(q))
+    val query = SearchQuery(params = params)
+    val sc = app.injector.instanceOf[SolrSearchEngine]
+    sc.search(query)
+  }
+
+  private def solrUpdate(entity: UniversalEntity): Future[String] = {
+    val url = ServiceConfig("solr", play.api.Configuration.load(Environment.simple())).baseUrl + "/update?commit=true"
+    val req = HttpRequest(HttpMethods.POST, url).withEntity(entity)
+    Http().singleRequest(req).flatMap { r =>
+      val out = r.entity.withoutSizeLimit().dataBytes.runFold(ByteString.empty)(_ ++ _)
+      out.map(_.utf8String)
+    }
+  }
+
+  override def beforeAll(): Unit = {
+    val path = Paths.get(getClass.getClassLoader.getResource("searchdata.json").toURI)
+    val entity = HttpEntity.fromPath(ContentTypes.`application/json`, path)
+    await(solrUpdate(entity))
+  }
+
+  override def afterAll(): Unit = {
+    val deleteQuery = """{"delete": {"query": "*:*"}}"""
+    val entity = HttpEntity(ContentTypes.`application/json`, deleteQuery)
+    await(solrUpdate(entity))
+  }
+}