From 4a11bf86a0d5dfb55fd1a2e0d83f9f36e080788c Mon Sep 17 00:00:00 2001
From: Eguzki Astiz Lezaun <eastizle@redhat.com>
Date: Tue, 6 Oct 2020 18:19:45 +0200
Subject: [PATCH] highavailability_reconciler unittests

---
 .../highavailability_reconciler_test.go       | 97 +++++++++++++++++++
 1 file changed, 97 insertions(+)
 create mode 100644 pkg/3scale/amp/operator/highavailability_reconciler_test.go

diff --git a/pkg/3scale/amp/operator/highavailability_reconciler_test.go b/pkg/3scale/amp/operator/highavailability_reconciler_test.go
new file mode 100644
index 000000000..1f035af0d
--- /dev/null
+++ b/pkg/3scale/amp/operator/highavailability_reconciler_test.go
@@ -0,0 +1,97 @@
+package operator
+
+import (
+	"context"
+	"fmt"
+	"testing"
+
+	"github.com/3scale/3scale-operator/pkg/3scale/amp/component"
+	appsv1alpha1 "github.com/3scale/3scale-operator/pkg/apis/apps/v1alpha1"
+	"github.com/3scale/3scale-operator/pkg/reconcilers"
+
+	appsv1 "github.com/openshift/api/apps/v1"
+	v1 "k8s.io/api/core/v1"
+	"k8s.io/apimachinery/pkg/runtime"
+	"k8s.io/apimachinery/pkg/types"
+	fakeclientset "k8s.io/client-go/kubernetes/fake"
+	"k8s.io/client-go/kubernetes/scheme"
+	"k8s.io/client-go/tools/record"
+	"sigs.k8s.io/controller-runtime/pkg/client/fake"
+	logf "sigs.k8s.io/controller-runtime/pkg/log"
+)
+
+func TestHighAvailabilityReconciler(t *testing.T) {
+	var (
+		log                     = logf.Log.WithName("operator_test")
+		systemMysqlRootPassword = "rootPassw1"
+		systemMysqlDatabaseName = "myDatabaseName"
+		databaseURL             = fmt.Sprintf("mysql2://root:%s@system-mysql/%s", systemMysqlRootPassword, systemMysqlDatabaseName)
+	)
+
+	ctx := context.TODO()
+
+	apimanager := basicApimanagerTestHA()
+	backendRedisSecret := testBackendRedisSecret()
+	systemRedisSecret := testSystemRedisSecret()
+	systemDBSecret := getSystemDBSecret(databaseURL, systemMysqlUsername, systemMysqlPassword)
+	// Objects to track in the fake client.
+	objs := []runtime.Object{apimanager, backendRedisSecret, systemRedisSecret, systemDBSecret}
+	s := scheme.Scheme
+	s.AddKnownTypes(appsv1alpha1.SchemeGroupVersion, apimanager)
+	err := appsv1.AddToScheme(s)
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	// Create a fake client to mock API calls.
+	cl := fake.NewFakeClient(objs...)
+	clientAPIReader := fake.NewFakeClient(objs...)
+	clientset := fakeclientset.NewSimpleClientset()
+	recorder := record.NewFakeRecorder(10000)
+
+	baseReconciler := reconcilers.NewBaseReconciler(cl, s, clientAPIReader, ctx, log, clientset.Discovery(), recorder)
+	BaseAPIManagerLogicReconciler := NewBaseAPIManagerLogicReconciler(baseReconciler, apimanager)
+
+	reconciler := NewHighAvailabilityReconciler(BaseAPIManagerLogicReconciler)
+	_, err = reconciler.Reconcile()
+	if err != nil {
+		t.Fatal(err)
+	}
+
+	cases := []struct {
+		testName   string
+		secretName string
+	}{
+		{"backendRedisTest", component.BackendSecretBackendRedisSecretName},
+	}
+	for _, tc := range cases {
+		t.Run(tc.testName, func(subT *testing.T) {
+			secret := &v1.Secret{}
+			namespacedName := types.NamespacedName{
+				Name:      tc.secretName,
+				Namespace: namespace,
+			}
+			err = cl.Get(context.TODO(), namespacedName, secret)
+			// object must exist, that is all required to be tested
+			if err != nil {
+				subT.Errorf("error fetching object %s: %v", tc.secretName, err)
+			}
+
+			// Assert owner ref
+			if len(secret.GetOwnerReferences()) == 0 {
+				subT.Errorf("secret %s: owner ref not set", tc.secretName)
+			}
+
+			ownerRef := secret.GetOwnerReferences()[0]
+
+			// apimanager.Kind is empty
+			if ownerRef.Kind != "APIManager" {
+				subT.Errorf("secret %s: owner ref kind not matched. Expected: %s, found: %s", tc.secretName, "APIManager", ownerRef.Kind)
+			}
+
+			if ownerRef.Name != apimanager.Name {
+				subT.Errorf("secret %s: owner ref name not matched. Expected: %s, found: %s", tc.secretName, apimanager.Name, ownerRef.Name)
+			}
+		})
+	}
+}