Add hash size check tc

test/e2e/settings/hash-size.go

@@ -0,0 +1,99 @@
+/*
+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"
+	"strings"
+
+	. "github.com/onsi/ginkgo"
+
+	"k8s.io/ingress-nginx/test/e2e/framework"
+)
+
+var _ = framework.DescribeSetting("Settings - hash size", func() {
+	f := framework.NewDefaultFramework("hash-size")
+
+	host := "hash-size"
+
+	BeforeEach(func() {
+		f.NewEchoDeployment()
+		ing := framework.NewSingleIngress(host, "/", host, f.Namespace, framework.EchoService, 80, nil)
+		f.EnsureIngress(ing)
+	})
+	Context("Check server names hash size", func() {
+		It("should set server_names_hash_bucket_size", func() {
+			f.UpdateNginxConfigMapData("server-name-hash-bucket-size", "512")
+
+			f.WaitForNginxConfiguration(func(server string) bool {
+				return strings.Contains(server, fmt.Sprintf(`server_names_hash_bucket_size 512;`))
+			})
+		})
+
+		It("should set server_names_hash_max_size", func() {
+			f.UpdateNginxConfigMapData("server-name-hash-max-size", "4096")
+
+			f.WaitForNginxConfiguration(func(server string) bool {
+				return strings.Contains(server, fmt.Sprintf(`server_names_hash_max_size 4096;`))
+			})
+		})
+	})
+
+	Context("Check proxy header hash size", func() {
+		It("should set proxy-headers-hash-bucket-size", func() {
+			f.UpdateNginxConfigMapData("proxy-headers-hash-bucket-size", "512")
+
+			f.WaitForNginxConfiguration(func(server string) bool {
+				return strings.Contains(server, fmt.Sprintf(`proxy_headers_hash_bucket_size 512;`))
+			})
+		})
+		It("should set proxy-headers-hash-max-size", func() {
+			f.UpdateNginxConfigMapData("proxy-headers-hash-max-size", "4096")
+
+			f.WaitForNginxConfiguration(func(server string) bool {
+				return strings.Contains(server, fmt.Sprintf(`proxy_headers_hash_max_size 4096;`))
+			})
+		})
+	})
+	Context("Check the variable hash size", func() {
+		It("should set variables-hash-bucket-size", func() {
+			f.UpdateNginxConfigMapData("variables-hash-bucket-size", "512")
+
+			f.WaitForNginxConfiguration(func(server string) bool {
+				return strings.Contains(server, fmt.Sprintf(`variables_hash_bucket_size 512;`))
+			})
+		})
+		It("should set variables-hash-max-size", func() {
+			f.UpdateNginxConfigMapData("variables-hash-max-size", "512")
+
+			f.WaitForNginxConfiguration(func(server string) bool {
+				return strings.Contains(server, fmt.Sprintf(`variables_hash_max_size 512;`))
+			})
+		})
+	})
+
+	Context("Check the map hash size", func() {
+		It("should set vmap-hash-bucket-size", func() {
+			f.UpdateNginxConfigMapData("map-hash-bucket-size", "512")
+
+			f.WaitForNginxConfiguration(func(server string) bool {
+				return strings.Contains(server, fmt.Sprintf(`map_hash_bucket_size 512;`))
+			})
+		})
+	})
+
+})