From bfefcac016ab55887c3706078086ee90fec875f5 Mon Sep 17 00:00:00 2001
From: ENCALADA <encalada@de.ibm.com>
Date: Fri, 21 Aug 2020 17:49:49 +0200
Subject: [PATCH] For #322

wip
---
 integration/build_to_buildruns_test.go | 37 +++++++++++++++
 integration/environment/environment.go | 65 ++++++++++++++++++++++++++
 integration/environment/namespaces.go  | 34 ++++++++++++++
 integration/integration_suite_test.go  | 40 ++++++++++++++++
 4 files changed, 176 insertions(+)
 create mode 100644 integration/build_to_buildruns_test.go
 create mode 100644 integration/environment/environment.go
 create mode 100644 integration/environment/namespaces.go
 create mode 100644 integration/integration_suite_test.go

diff --git a/integration/build_to_buildruns_test.go b/integration/build_to_buildruns_test.go
new file mode 100644
index 0000000000..9f76a0593b
--- /dev/null
+++ b/integration/build_to_buildruns_test.go
@@ -0,0 +1,37 @@
+package integration_test
+
+import (
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+)
+
+var _ = Describe("todo", func() {
+
+	Context("todo", func() {
+
+		It("todo", func() {
+			Expect("foo").To(Equal("foo"))
+			Expect("bar").To(Equal("bar"))
+		})
+
+		It("todo2", func() {
+			Expect("foo2").To(Equal("foo2"))
+			Expect("bar2").To(Equal("bar2"))
+		})
+
+		It("todo3", func() {
+			Expect("foo3").To(Equal("foo3"))
+			Expect("bar3").To(Equal("bar3"))
+		})
+
+		It("todo4", func() {
+			Expect("foo4").To(Equal("foo4"))
+			Expect("bar4").To(Equal("bar4"))
+		})
+
+		It("todo5", func() {
+			Expect("foo5").To(Equal("foo5"))
+			Expect("bar5").To(Equal("bar5"))
+		})
+	})
+})
diff --git a/integration/environment/environment.go b/integration/environment/environment.go
new file mode 100644
index 0000000000..25582445d4
--- /dev/null
+++ b/integration/environment/environment.go
@@ -0,0 +1,65 @@
+package environment
+
+import (
+	"os"
+	"path/filepath"
+	"strconv"
+	"sync/atomic"
+
+	gomegaConfig "github.com/onsi/ginkgo/config"
+	"k8s.io/client-go/kubernetes"
+	_ "k8s.io/client-go/plugin/pkg/client/auth/oidc"
+	"k8s.io/client-go/rest"
+	"k8s.io/client-go/tools/clientcmd"
+)
+
+// Environment ...
+type Environment struct {
+	// KubeConfig *rest.Config
+	Clientset *kubernetes.Clientset
+	Namespace string
+}
+
+var (
+	namespaceCounter int32
+)
+
+// NewEnvironment ...
+func NewEnvironment() (*Environment, error) {
+	atomic.AddInt32(&namespaceCounter, 1)
+	namespaceID := gomegaConfig.GinkgoConfig.ParallelNode*200 + int(namespaceCounter)
+	ns := "test-build-" + strconv.Itoa(int(namespaceID))
+
+	kubeconfig, err := KubeConfig()
+	if err != nil {
+		return nil, err
+	}
+	e := &Environment{
+		Clientset: kubeconfig,
+		Namespace: ns,
+	}
+	return e, nil
+}
+
+// KubeConfig ...
+func KubeConfig() (*kubernetes.Clientset, error) {
+	location := os.Getenv("KUBECONFIG")
+	if location == "" {
+		location = filepath.Join(os.Getenv("HOME"), ".kube", "config")
+	}
+
+	config, err := clientcmd.BuildConfigFromFlags("", location)
+	if err != nil {
+		config, err = rest.InClusterConfig()
+		if err != nil {
+			return nil, err
+		}
+	}
+
+	clientset, err := kubernetes.NewForConfig(config)
+	if err != nil {
+		return nil, err
+	}
+
+	return clientset, nil
+}
diff --git a/integration/environment/namespaces.go b/integration/environment/namespaces.go
new file mode 100644
index 0000000000..a84d63b637
--- /dev/null
+++ b/integration/environment/namespaces.go
@@ -0,0 +1,34 @@
+package environment
+
+import (
+	corev1 "k8s.io/api/core/v1"
+	metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
+)
+
+// CreateNamespace ...
+func (e *Environment) CreateNamespace() error {
+	client := e.Clientset.CoreV1().Namespaces()
+	ns := &corev1.Namespace{
+		ObjectMeta: metav1.ObjectMeta{
+			Name: e.Namespace,
+		},
+	}
+	_, err := client.Create(ns)
+	if err != nil {
+		return err
+	}
+	return nil
+}
+
+// DeleteNamespaces ...
+func (e *Environment) DeleteNamespaces(nsList []string) error {
+	client := e.Clientset.CoreV1().Namespaces()
+
+	for _, ns := range nsList {
+		err := client.Delete(ns, &metav1.DeleteOptions{})
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
diff --git a/integration/integration_suite_test.go b/integration/integration_suite_test.go
new file mode 100644
index 0000000000..d419f7fc47
--- /dev/null
+++ b/integration/integration_suite_test.go
@@ -0,0 +1,40 @@
+package integration_test
+
+import (
+	"fmt"
+	"testing"
+
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+	"github.com/shipwright-io/build/integration/environment"
+)
+
+func TestIntegration(t *testing.T) {
+	RegisterFailHandler(Fail)
+	RunSpecs(t, "Integration Suite")
+}
+
+var (
+	deleteNSList []string
+	env          *environment.Environment
+	err          error
+)
+
+var _ = BeforeEach(func() {
+	env, err = environment.NewEnvironment()
+	if err != nil {
+		fmt.Printf("fail to get an instance of Environment, error: %v", err)
+	}
+
+	err := env.CreateNamespace()
+	if err != nil {
+		fmt.Printf("fail to create test namespace: %v, error: %v", env.Namespace, err)
+	}
+
+	deleteNSList = append(deleteNSList, env.Namespace)
+
+})
+
+var _ = AfterSuite(func() {
+	Expect(env.DeleteNamespaces(deleteNSList)).To(BeNil())
+})