gateway kuadrant controller dedicated testsuite

on parallel run, multiple kuadrant CR were create at the same time

tests/common/gatewaykuadrant/suite_test.go

@@ -0,0 +1,111 @@
+//go:build integration
+
+/*
+Copyright 2021.
+
+Licensed 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 kuadrant
+
+import (
+	"encoding/json"
+	"os"
+	"testing"
+
+	. "github.com/onsi/ginkgo/v2"
+	. "github.com/onsi/gomega"
+	"k8s.io/client-go/rest"
+	"sigs.k8s.io/controller-runtime/pkg/client"
+	"sigs.k8s.io/controller-runtime/pkg/envtest"
+	logf "sigs.k8s.io/controller-runtime/pkg/log"
+	"sigs.k8s.io/controller-runtime/pkg/log/zap"
+
+	"github.com/kuadrant/kuadrant-operator/controllers"
+	"github.com/kuadrant/kuadrant-operator/pkg/log"
+)
+
+// These tests use Ginkgo (BDD-style Go testing framework). Refer to
+// http://onsi.github.io/ginkgo/ to learn more about Ginkgo.
+
+// This test suite will be run on k8s env with GatewayAPI CRDs, Istio and Kuadrant CRDs installed
+
+var k8sClient client.Client
+var testEnv *envtest.Environment
+
+func testClient() client.Client { return k8sClient }
+
+func TestAPIs(t *testing.T) {
+	RegisterFailHandler(Fail)
+
+	RunSpecs(t, "Kuadrant Gateway Controller Suite")
+}
+
+var _ = SynchronizedBeforeSuite(func() []byte {
+	logf.SetLogger(zap.New(zap.WriteTo(GinkgoWriter), zap.UseDevMode(true)))
+
+	By("bootstrapping test environment")
+	testEnv = &envtest.Environment{
+		UseExistingCluster: &[]bool{true}[0],
+	}
+
+	cfg, err := testEnv.Start()
+	Expect(err).NotTo(HaveOccurred())
+	Expect(cfg).NotTo(BeNil())
+
+	controllers.SetupKuadrantOperatorForTest(controllers.BootstrapScheme(), cfg)
+
+	data := controllers.MarshalConfig(cfg)
+
+	return data
+}, func(data []byte) {
+	// Unmarshal the shared configuration struct
+	var sharedCfg controllers.SharedConfig
+	Expect(json.Unmarshal(data, &sharedCfg)).To(Succeed())
+
+	// Create the rest.Config object from the shared configuration
+	cfg := &rest.Config{
+		Host: sharedCfg.Host,
+		TLSClientConfig: rest.TLSClientConfig{
+			Insecure: sharedCfg.TLSClientConfig.Insecure,
+			CertData: sharedCfg.TLSClientConfig.CertData,
+			KeyData:  sharedCfg.TLSClientConfig.KeyData,
+			CAData:   sharedCfg.TLSClientConfig.CAData,
+		},
+	}
+
+	// Create new scheme for each client
+	s := controllers.BootstrapScheme()
+
+	// Set the shared configuration
+	var err error
+	k8sClient, err = client.New(cfg, client.Options{Scheme: s})
+	Expect(err).NotTo(HaveOccurred())
+	Expect(k8sClient).NotTo(BeNil())
+})
+
+var _ = SynchronizedAfterSuite(func() {}, func() {
+	By("tearing down the test environment")
+	err := testEnv.Stop()
+	Expect(err).NotTo(HaveOccurred())
+})
+
+func TestMain(m *testing.M) {
+	logger := log.NewLogger(
+		log.SetLevel(log.DebugLevel),
+		log.SetMode(log.ModeDev),
+		log.WriteTo(GinkgoWriter),
+	).WithName("kuadrant_gateway_controller_test")
+	log.SetLogger(logger)
+	os.Exit(m.Run())
+}