CLOUDP-166012: Adding e2e test for cluster update

test/README.md

@@ -57,7 +57,7 @@
 | `cluster list`                              | Y         |           |           | Y         |       |       |
 | `cluster start`                             | N         |           |           | Y         |       |       |
 | `cluster pause`                             | N         |           |           | Y         |       |       |
-| `cluster update`                            | Y         |           |           | Y         |       |       |
+| `cluster update`                            | Y         | Y         | Y         | Y         | Y     | Y     |
 | `cluster watch`                             | Y         |           |           | Y         |       |       |
 | `cluster onlineArchive create`              | Y         |           |           | Y         | N     | N     |
 | `cluster onlineArchive delete`              | Y         |           |           | Y         | N     | N     |

test/e2e/cloud_manager/deploy_replica_set_test.go

@@ -115,6 +115,30 @@ func TestDeployReplicaSet(t *testing.T) {
 		}
 	})
 
+	t.Run("Update", func(t *testing.T) {
+		if err := generateRSConfigUpdate(testFile); err != nil {
+			t.Fatalf("unexpected error: %v", err)
+		}
+
+		cmd := exec.Command(cliPath,
+			entity,
+			clustersEntity,
+			"update",
+			clusterName,
+			"-f",
+			testFile,
+		)
+
+		cmd.Env = os.Environ()
+		resp, err := cmd.CombinedOutput()
+
+		if err != nil {
+			t.Fatalf("unexpected error: %v, resp: %v\n", err, string(resp))
+		}
+	})
+
+	t.Run("Watch", watchAutomation(cliPath))
+
 	t.Run("Reclaim free space", func(t *testing.T) {
 		cmd := exec.Command(cliPath,
 			entity,

test/e2e/cloud_manager/helper_test.go

@@ -176,6 +176,42 @@ func generateRSConfig(filename, hostname, clusterName, version, fcVersion string
 	return jsonEncoder.Encode(cluster)
 }
 
+func generateRSConfigUpdate(filename string) error {
+	defaultWriteConcernJ := true
+	jsonData, err := os.ReadFile(filename)
+	if err != nil {
+		return err
+	}
+
+	var cluster convert.ClusterConfig
+	err = json.Unmarshal(jsonData, &cluster)
+	if err != nil {
+		return err
+	}
+
+	for i := 0; i < len(cluster.Processes); i++ {
+		cluster.Processes[i].DefaultRWConcern = &convert.DefaultRWConcern{
+			DefaultReadConcern: &convert.DefaultReadConcern{
+				Level: "majority",
+			},
+			DefaultWriteConcern: &convert.DefaultWriteConcern{
+				W:        1,
+				J:        &defaultWriteConcernJ,
+				Wtimeout: 0,
+			},
+		}
+	}
+
+	out, err := os.Create(filename)
+	if err != nil {
+		return err
+	}
+	defer out.Close()
+	jsonEncoder := json.NewEncoder(out)
+	jsonEncoder.SetIndent("", "  ")
+	return jsonEncoder.Encode(cluster)
+}
+
 func generateShardedConfig(filename, hostname, clusterName, version, fcVersion string) error {
 	configFile, err := os.Create(filename)
 	if err != nil {