Added test for authentication selectors

Author: sksamuel

src/main/kotlin/io/kotest/extensions/ktor/openapi/OpenApiPlugin.kt

@@ -44,10 +44,6 @@ val OpenApi = createApplicationPlugin("OpenApi", createConfiguration = ::OpenApi
 //      writer.write(this.pluginConfig.path)
 //   }
 
-   fun Route.authentication(): List<String> {
-      return selectors().filterIsInstance<AuthenticationRouteSelector>().flatMap { it.names }.filterNotNull()
-   }
-
    environment!!.monitor.subscribe(Routing.RoutingCallStarted) { call ->
       val trace = call.attributes[traceKey]
       trace.path = call.route.path()

src/main/kotlin/io/kotest/extensions/ktor/openapi/routes.kt

@@ -1,5 +1,6 @@
 package io.kotest.extensions.ktor.openapi
 
+import io.ktor.server.auth.AuthenticationRouteSelector
 import io.ktor.server.routing.PathSegmentConstantRouteSelector
 import io.ktor.server.routing.PathSegmentOptionalParameterRouteSelector
 import io.ktor.server.routing.PathSegmentParameterRouteSelector
@@ -42,3 +43,11 @@ fun Route.path() = selectors().mapNotNull {
 fun Route.pathParameters(): List<String> {
    return selectors().filterIsInstance<PathSegmentParameterRouteSelector>().map { it.name }
 }
+
+/**
+ * Extracts the [RouteSelector]s for this [Route] and returns the name of any authentication providers
+ * that have been applied.
+ */
+fun Route.authentication(): List<String> {
+   return selectors().filterIsInstance<AuthenticationRouteSelector>().flatMap { it.names }.filterNotNull()
+}

src/test/kotlin/io/kotest/extensions/ktor/openapi/AuthenticationSelectorTest.kt

@@ -0,0 +1,28 @@
+package io.kotest.extensions.ktor.openapi
+
+import io.kotest.core.spec.style.FunSpec
+import io.kotest.matchers.shouldBe
+import io.ktor.server.auth.Authentication
+import io.ktor.server.auth.authenticate
+import io.ktor.server.auth.basic
+import io.ktor.server.routing.get
+import io.ktor.server.testing.testApplication
+
+class AuthenticationSelectorTest : FunSpec() {
+   init {
+      test("Route.authentication should return all applied authentication providers") {
+         testApplication {
+            install(Authentication) {
+               basic("foo") {}
+               basic("bar") {}
+            }
+            routing {
+               authenticate("foo", "bar") {
+                  val r = get("/a") { }
+                  r.authentication() shouldBe listOf("foo", "bar")
+               }
+            }
+         }
+      }
+   }
+}

src/test/kotlin/io/kotest/extensions/ktor/openapi/PathParametersTest.kt

@@ -8,7 +8,7 @@ import io.ktor.server.testing.testApplication
 
 class PathParametersTest : FunSpec() {
    init {
-      test("Route.selectors should return all path parameters from parameter selectors") {
+      test("Route.pathParameters should return all path parameters from parameter selectors") {
          testApplication {
             routing {
                route("/a") {