Add metric templates to controller tests

pkg/controller/controller_test.go

@@ -49,7 +49,7 @@ func SetupMocks(c *flaggerv1.Canary) Mocks {
 	if c == nil {
 		c = newTestCanary()
 	}
-	flaggerClient := fakeFlagger.NewSimpleClientset(c)
+	flaggerClient := fakeFlagger.NewSimpleClientset(c, newTestMetricTemplate())
 
 	// init kube clientset and register mock objects
 	kubeClient := fake.NewSimpleClientset(
@@ -266,10 +266,13 @@ func newTestCanary() *flaggerv1.Canary {
 						Name: "custom",
 						ThresholdRange: &flaggerv1.CanaryThresholdRange{
 							Min: toFloatPtr(0),
-							Max: toFloatPtr(500000),
+							Max: toFloatPtr(100),
 						},
 						Interval: "1m",
-						Query:    "fake",
+						TemplateRef: &flaggerv1.MetricTemplateRef{
+							Name:      "envoy",
+							Namespace: "default",
+						},
 					},
 				},
 			},
@@ -334,6 +337,15 @@ func newTestCanaryAB() *flaggerv1.Canary {
 						Threshold: 500000,
 						Interval:  "1m",
 					},
+					{
+						Name: "custom",
+						ThresholdRange: &flaggerv1.CanaryThresholdRange{
+							Min: toFloatPtr(0),
+							Max: toFloatPtr(500000),
+						},
+						Interval: "1m",
+						Query:    "fake",
+					},
 				},
 			},
 		},
@@ -657,3 +669,23 @@ func newTestHPA() *hpav2.HorizontalPodAutoscaler {
 
 	return h
 }
+
+func newTestMetricTemplate() *flaggerv1.MetricTemplate {
+	provider := flaggerv1.MetricTemplateProvider{
+		Type:    "prometheus",
+		Address: "fake",
+	}
+
+	template := &flaggerv1.MetricTemplate{
+		TypeMeta: metav1.TypeMeta{APIVersion: flaggerv1.SchemeGroupVersion.String()},
+		ObjectMeta: metav1.ObjectMeta{
+			Namespace: "default",
+			Name:      "envoy",
+		},
+		Spec: flaggerv1.MetricTemplateSpec{
+			Provider: provider,
+			Query:    `sum(envoy_cluster_upstream_rq{envoy_cluster_name=~"{{ namespace }}_{{ target }}"})`,
+		},
+	}
+	return template
+}