Add tests

Author: jen-huang

x-pack/plugin/fleet/qa/rest/src/yamlRestTest/resources/rest-api-spec/test/fleet/30_secrets_post.yml

@@ -7,6 +7,16 @@
       fleet.delete_secret:
         id: $id
 
+---
+"Create Fleet Secret with multiple values":
+  - do:
+      fleet.post_secret:
+        body: '{"value": ["test secret 1", "test secret 2"]}'
+  - set:  { id: id }
+  - do:
+      fleet.delete_secret:
+        id: $id
+
 ---
 "Create secret fails for unprivileged user":
   - skip:

x-pack/plugin/fleet/qa/rest/src/yamlRestTest/resources/rest-api-spec/test/fleet/40_secrets_get.yml

@@ -18,6 +18,27 @@
       fleet.delete_secret:
         id: $id
 
+---
+"Get Fleet Secret with multiple values":
+  - do:
+      fleet.post_secret:
+        body: '{"value": ["test secret 1", "test secret 2"]}'
+  - set:  { id: id }
+  # search node needs to be available for fleet.get_secret to work in stateless.
+  # The `.fleet-secrets` index is created on demand, and its search replica starts out unassigned,
+  # so wait_for_no_uninitialized_shards can miss it.
+  - do:
+      cluster.health:
+        wait_for_active_shards: all
+  - do:
+      fleet.get_secret:
+        id: $id
+  - match: { id: $id }
+  - match: { value: ["test secret 1", "test secret 2"] }
+  - do:
+      fleet.delete_secret:
+        id: $id
+
 ---
 "Get non existent Fleet Secret":
   - do:

x-pack/plugin/fleet/src/test/java/org/elasticsearch/xpack/fleet/action/GetSecretResponseTests.java

@@ -7,9 +7,12 @@
 
 package org.elasticsearch.xpack.fleet.action;
 
+import org.elasticsearch.action.ActionResponseValidationException;
 import org.elasticsearch.common.io.stream.Writeable;
 import org.elasticsearch.test.AbstractWireSerializingTestCase;
 
+import static org.junit.Assert.assertArrayEquals;
+
 public class GetSecretResponseTests extends AbstractWireSerializingTestCase<GetSecretResponse> {
 
     @Override
@@ -26,4 +29,12 @@ protected GetSecretResponse createTestInstance() {
     protected GetSecretResponse mutateInstance(GetSecretResponse instance) {
         return new GetSecretResponse(instance.id(), randomAlphaOfLength(10));
     }
+
+    public void testValidateResponseWithMultiValue() {
+        String[] secrets = {"secret1", "secret2"};
+        GetSecretResponse res = new GetSecretResponse(randomAlphaOfLength(10), secrets);
+        ActionResponseValidationException e = res.validate();
+        assertNull(e);
+        assertArrayEquals(secrets, (String[]) res.value());
+    }
 }

x-pack/plugin/fleet/src/test/java/org/elasticsearch/xpack/fleet/action/PostSecretRequestTests.java

@@ -37,6 +37,12 @@ public void testValidateRequest() {
         assertNull(e);
     }
 
+    public void testValidateRequestWithMultiValue() {
+        PostSecretRequest req = new PostSecretRequest(["secret1", "secret2"]);
+        ActionRequestValidationException e = req.validate();
+        assertNull(e);
+    }
+
     public void testValidateRequestWithoutValue() {
         PostSecretRequest req = new PostSecretRequest((String) null);
         ActionRequestValidationException e = req.validate();