Enable configuration of plugins using configmap

test/e2e/settings/plugins.go

@@ -0,0 +1,54 @@
+/*
+Copyright 2020 The Kubernetes Authors.
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+
+package settings
+
+import (
+	"fmt"
+	"net/http"
+	"strings"
+
+	"github.com/onsi/ginkgo"
+	"k8s.io/ingress-nginx/test/e2e/framework"
+)
+
+var _ = framework.IngressNginxDescribe("plugins", func() {
+	f := framework.NewDefaultFramework("plugins")
+
+	ginkgo.BeforeEach(func() {
+		f.NewEchoDeployment()
+	})
+
+	ginkgo.It("should exist a x-hello-world header", func() {
+		f.UpdateNginxConfigMapData("plugins", "hello_world, invalid")
+
+		host := "example.com"
+		f.EnsureIngress(framework.NewSingleIngress(host, "/", host, f.Namespace, framework.EchoService, 80, nil))
+
+		f.WaitForNginxConfiguration(
+			func(server string) bool {
+				return strings.Contains(server, fmt.Sprintf("server_name %v", host)) &&
+					strings.Contains(server, `plugins.init({ "hello_world","invalid" })`)
+			})
+
+		f.HTTPTestClient().
+			GET("/").
+			WithHeader("Host", host).
+			Expect().
+			Status(http.StatusOK).
+			Body().Contains("x-hello-world=1")
+	})
+})