From c8cf5f8c4463a063aea4792a7de8e8578a85a06d Mon Sep 17 00:00:00 2001
From: Regner Blok-Andersen <regner@bench.co>
Date: Tue, 14 Feb 2017 11:54:27 -0800
Subject: [PATCH] Added a test to make sure passing an invalid value to
 traefik.frontend.passHostHeader results in falling back correctly.

---
 provider/kubernetes_test.go | 107 ++++++++++++++++++++++++++++++++++++
 1 file changed, 107 insertions(+)

diff --git a/provider/kubernetes_test.go b/provider/kubernetes_test.go
index 0bea31f86..132fdf90e 100644
--- a/provider/kubernetes_test.go
+++ b/provider/kubernetes_test.go
@@ -1736,6 +1736,113 @@ func TestIngressAnnotations(t *testing.T) {
 	}
 }
 
+func TestInvalidPassHostHeaderValue(t *testing.T) {
+	ingresses := []*v1beta1.Ingress{
+		{
+			ObjectMeta: v1.ObjectMeta{
+				Namespace: "testing",
+				Annotations: map[string]string{
+					"traefik.frontend.passHostHeader": "herpderp",
+				},
+			},
+			Spec: v1beta1.IngressSpec{
+				Rules: []v1beta1.IngressRule{
+					{
+						Host: "foo",
+						IngressRuleValue: v1beta1.IngressRuleValue{
+							HTTP: &v1beta1.HTTPIngressRuleValue{
+								Paths: []v1beta1.HTTPIngressPath{
+									{
+										Path: "/bar",
+										Backend: v1beta1.IngressBackend{
+											ServiceName: "service1",
+											ServicePort: intstr.FromInt(80),
+										},
+									},
+								},
+							},
+						},
+					},
+				},
+			},
+		},
+	}
+	services := []*v1.Service{
+		{
+			ObjectMeta: v1.ObjectMeta{
+				Name:      "service1",
+				UID:       "1",
+				Namespace: "testing",
+			},
+			Spec: v1.ServiceSpec{
+				ClusterIP:    "10.0.0.1",
+				Type:         "ExternalName",
+				ExternalName: "example.com",
+				Ports: []v1.ServicePort{
+					{
+						Name: "http",
+						Port: 80,
+					},
+				},
+			},
+		},
+	}
+
+	endpoints := []*v1.Endpoints{}
+	watchChan := make(chan interface{})
+	client := clientMock{
+		ingresses: ingresses,
+		services:  services,
+		endpoints: endpoints,
+		watchChan: watchChan,
+	}
+	provider := Kubernetes{}
+	actual, err := provider.loadIngresses(client)
+	if err != nil {
+		t.Fatalf("error %+v", err)
+	}
+
+	expected := &types.Configuration{
+		Backends: map[string]*types.Backend{
+			"foo/bar": {
+				Servers: map[string]types.Server{
+					"http://example.com": {
+						URL:    "http://example.com",
+						Weight: 1,
+					},
+				},
+				CircuitBreaker: nil,
+				LoadBalancer: &types.LoadBalancer{
+					Sticky: false,
+					Method: "wrr",
+				},
+			},
+		},
+		Frontends: map[string]*types.Frontend{
+			"foo/bar": {
+				Backend:        "foo/bar",
+				PassHostHeader: true,
+				Priority:       len("/bar"),
+				Routes: map[string]types.Route{
+					"/bar": {
+						Rule: "PathPrefix:/bar",
+					},
+					"foo": {
+						Rule: "Host:foo",
+					},
+				},
+			},
+		},
+	}
+
+	actualJSON, _ := json.Marshal(actual)
+	expectedJSON, _ := json.Marshal(expected)
+
+	if !reflect.DeepEqual(actual, expected) {
+		t.Fatalf("expected %+v, got %+v", string(expectedJSON), string(actualJSON))
+	}
+}
+
 type clientMock struct {
 	ingresses []*v1beta1.Ingress
 	services  []*v1.Service