Add Ambassador Host Target namespace test

source/ambassador_host_test.go

@@ -163,6 +163,45 @@ func testAmbassadorSourceEndpoints(t *testing.T) {
 				},
 			},
 		},
+		{
+			title:           "two simple hosts on different namespaces and a target namespace",
+			targetNamespace: "testing1",
+			labelSelector: labels.Everything(),
+			loadBalancer: fakeAmbassadorLoadBalancerService{
+				ips:       []string{"8.8.8.8"},
+				hostnames: []string{"lb.com"},
+				name:      "emissary",
+				namespace: "emissary-ingress",
+			},
+			ambassadorHostItems: []fakeAmbassadorHost{
+				{
+					name:      "fake1",
+					namespace: "testing1",
+					hostname:  "fake1.org",
+					annotations: map[string]string{
+						"external-dns.ambassador-service": "emissary-ingress/emissary",
+					},
+				},
+				{
+					name:      "fake2",
+					namespace: "testing2",
+					hostname:  "fake2.org",
+					annotations: map[string]string{
+						"external-dns.ambassador-service": "emissary-ingress/emissary",
+					},
+				},
+			},
+			expected: []*endpoint.Endpoint{
+				{
+					DNSName: "fake1.org",
+					Targets: endpoint.Targets{"8.8.8.8"},
+				},
+				{
+					DNSName: "fake1.org",
+					Targets: endpoint.Targets{"lb.com"},
+				},
+			},
+		},
 		{
 			title:           "invalid non matching host ambassador service annotation",
 			targetNamespace: "",