From 55f241a781ace1ae72411f4ce705b4c268bb8b9a Mon Sep 17 00:00:00 2001
From: Julia Bardi <90178898+juliaElastic@users.noreply.github.com>
Date: Thu, 9 Dec 2021 15:57:10 +0100
Subject: [PATCH] [Fleet] Fix bug caused by API changes (#120886)

* fix endpoint integration

* added test
---
 x-pack/plugins/fleet/server/routes/epm/index.ts   |  3 ++-
 x-pack/test/fleet_api_integration/apis/epm/get.ts | 10 ++++++++++
 2 files changed, 12 insertions(+), 1 deletion(-)

diff --git a/x-pack/plugins/fleet/server/routes/epm/index.ts b/x-pack/plugins/fleet/server/routes/epm/index.ts
index da2e2458276084..b07bb2b1ab77bb 100644
--- a/x-pack/plugins/fleet/server/routes/epm/index.ts
+++ b/x-pack/plugins/fleet/server/routes/epm/index.ts
@@ -172,7 +172,8 @@ export const registerRoutes = (routers: { rbac: FleetRouter; superuser: FleetRou
         response
       );
       if (resp.payload?.item) {
-        return response.ok({ body: { response: resp.payload.item } });
+        // returning item as well here, because pkgVersion is optional in new GET endpoint, and if not specified, the router selects the deprecated route
+        return response.ok({ body: { item: resp.payload.item, response: resp.payload.item } });
       }
       return resp;
     }
diff --git a/x-pack/test/fleet_api_integration/apis/epm/get.ts b/x-pack/test/fleet_api_integration/apis/epm/get.ts
index 71a359c10c2a58..df6cbf3c4fecb6 100644
--- a/x-pack/test/fleet_api_integration/apis/epm/get.ts
+++ b/x-pack/test/fleet_api_integration/apis/epm/get.ts
@@ -102,5 +102,15 @@ export default function (providerContext: FtrProviderContext) {
         .auth(testUsers.fleet_read_only.username, testUsers.fleet_read_only.password)
         .expect(200);
     });
+
+    it('returns package info in item field when calling without version', async function () {
+      // this will install through the registry by default
+      await installPackage(testPkgName, testPkgVersion);
+      const res = await supertest.get(`/api/fleet/epm/packages/${testPkgName}`).expect(200);
+      const packageInfo = res.body.item;
+      // the uploaded version will have this description
+      expect(packageInfo.name).to.equal('apache');
+      await uninstallPackage(testPkgName, testPkgVersion);
+    });
   });
 }