adding required tests update

internal/mode/static/nginx/runtime/manager_test.go

@@ -4,10 +4,12 @@ import (
 	"context"
 	"errors"
 	"io/fs"
+	"net/http"
 	"testing"
 	"time"
 
 	"github.com/go-logr/logr"
+	"github.com/nginxinc/nginx-plus-go-client/client"
 	ngxclient "github.com/nginxinc/nginx-plus-go-client/client"
 	. "github.com/onsi/ginkgo/v2"
 	. "github.com/onsi/gomega"
@@ -21,6 +23,72 @@ var _ = Describe("NGINX Runtime Manager", func() {
 		mgr = NewManagerImpl(&ngxclient.NginxClient{}, nil, logr.New(GinkgoLogr.GetSink()))
 		Expect(mgr.IsPlus()).To(BeTrue())
 	})
+
+	Describe("ManagerImpl", Ordered, func() {
+		var (
+			mockedManager Manager
+			serverMocks   []ngxclient.UpstreamServer
+			serversMock   ngxclient.UpstreamServer
+
+			clientMock *ngxclient.NginxClient
+		)
+
+		var (
+			MaxConnsMock = 150
+			MaxFailsMock = 20
+			WeightMock   = 10
+			BackupMock   = false
+			DownMock     = false
+		)
+
+		BeforeAll(func() {
+
+			serversMock = ngxclient.UpstreamServer{
+				ID:          1,
+				Server:      "unknown",
+				MaxConns:    &MaxConnsMock,
+				MaxFails:    &MaxFailsMock,
+				FailTimeout: "test",
+				SlowStart:   "test",
+				Route:       "test",
+				Backup:      &BackupMock,
+				Down:        &DownMock,
+				Drain:       false,
+				Weight:      &WeightMock,
+				Service:     "",
+			}
+
+			serverMocks = []ngxclient.UpstreamServer{
+				serversMock,
+			}
+
+			httpClient := &http.Client{
+				Transport:     http.DefaultTransport,
+				CheckRedirect: http.DefaultClient.CheckRedirect,
+				Jar:           http.DefaultClient.Jar,
+				Timeout:       time.Second * 4,
+			}
+
+			clientMock, _ = ngxclient.NewNginxClient("test", client.WithHTTPClient(httpClient))
+			logrMock := logr.New(GinkgoLogr.GetSink())
+			mockedManager = NewManagerImpl(clientMock, nil, logrMock)
+
+		})
+
+		It("UpdateHTTPServers fails upon unknown HTTP server upstream", func() {
+			err := mockedManager.UpdateHTTPServers("unknown", serverMocks)
+			Expect(err).ToNot(BeNil())
+		})
+
+		Context("GetUpstreams returns empty map of upstreams", func() {
+			It("returns no upstreams from NGINX Plus API", func() {
+
+				upstreams, err := mockedManager.GetUpstreams()
+				Expect(err).To(HaveOccurred())
+				Expect(upstreams).To(BeEmpty())
+			})
+		})
+	})
 })
 
 func TestEnsureNginxRunning(t *testing.T) {