submarine-cloud-v3/controllers/suite_test.go

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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 controllers

import (
	"context"
	"path/filepath"
	"testing"

	. "github.com/onsi/ginkgo"
	. "github.com/onsi/gomega"

	"k8s.io/apimachinery/pkg/runtime"
	clientgoscheme "k8s.io/client-go/kubernetes/scheme"
	"k8s.io/client-go/rest"
	"sigs.k8s.io/controller-runtime/pkg/client"
	"sigs.k8s.io/controller-runtime/pkg/envtest"
	"sigs.k8s.io/controller-runtime/pkg/envtest/printer"
	logf "sigs.k8s.io/controller-runtime/pkg/log"
	"sigs.k8s.io/controller-runtime/pkg/log/zap"

	istioscheme "istio.io/client-go/pkg/clientset/versioned/scheme"

	submarineapacheorgv1 "github.com/apache/submarine/submarine-cloud-v3/api/v1"
	//+kubebuilder:scaffold:imports
)

// These tests use Ginkgo (BDD-style Go testing framework). Refer to
// http://onsi.github.io/ginkgo/ to learn more about Ginkgo.

var cfg *rest.Config
var k8sClient client.Client
var testEnv *envtest.Environment
var scheme *runtime.Scheme
var ctx context.Context
var cancel context.CancelFunc

func TestAPIs(t *testing.T) {
	RegisterFailHandler(Fail)

	RunSpecsWithDefaultAndCustomReporters(t,
		"Controller Suite",
		[]Reporter{printer.NewlineReporter{}})
}

var _ = BeforeSuite(func() {
	// Setup ctx and cancel, which are used in BeforeSuite and AfterSuite first,
	// in case BeforeSuite fails
	ctx, cancel = context.WithCancel(context.TODO())

	logf.SetLogger(zap.New(zap.WriteTo(GinkgoWriter), zap.UseDevMode(true)))

	By("bootstrapping test environment")
	useExistingCluster := true
	testEnv = &envtest.Environment{
		CRDDirectoryPaths:     []string{filepath.Join("..", "config", "crd", "bases")},
		ErrorIfCRDPathMissing: true,
		UseExistingCluster:    &useExistingCluster,
	}

	cfg, err := testEnv.Start()
	Expect(err).NotTo(HaveOccurred())
	Expect(cfg).NotTo(BeNil())

	By("adding required schemes")
	scheme = runtime.NewScheme()
	err = clientgoscheme.AddToScheme(scheme)
	Expect(err).NotTo(HaveOccurred())
	err = istioscheme.AddToScheme(scheme)
	Expect(err).NotTo(HaveOccurred())
	err = submarineapacheorgv1.AddToScheme(scheme)
	Expect(err).NotTo(HaveOccurred())

	//+kubebuilder:scaffold:scheme

	By("creating k8s client")
	k8sClient, err = client.New(cfg, client.Options{Scheme: scheme})
	Expect(err).NotTo(HaveOccurred())
	Expect(k8sClient).NotTo(BeNil())
}, 60) // timeout, seconds

var _ = AfterSuite(func() {
	cancel()

	By("tearing down the test environment")
	err := testEnv.Stop()
	Expect(err).NotTo(HaveOccurred())
})