Clean e2e test example (#1535)

* a template for a clean tests

* vendor: update ginkgo,gomega,testify

* e2e template: Remove Before/AfterSuite and rename file

* gofmt

* don't ignore .odo

.gitignore

@@ -69,6 +69,3 @@ tags
 # VSCode specific
 .vscode
 
-# local .odo config directory
-.odo
-*/**/.odo

glide.yaml

@@ -26,9 +26,9 @@ import:
   repo:    https://github.com/openshift/kubernetes-api.git
   version: origin-3.11-kubernetes-1.11.1
 - package: github.com/onsi/gomega
-  version: v1.3.0
+  version: v1.5.0
 - package: github.com/onsi/ginkgo
-  version: v1.4.0
+  version: v1.8.0
 - package: github.com/kubernetes-incubator/service-catalog
   version: v0.1.31
 - package: github.com/satori/go.uuid
@@ -44,7 +44,7 @@ import:
 - package: github.com/Netflix/go-expect
   version: master
 - package: github.com/stretchr/testify
-  version: v1.2.2
+  version: v1.3.0
 - package: github.com/posener/complete
   version: v1.1.2
 - package: github.com/gobwas/glob

tests/e2e/e2e_test.go

@@ -44,11 +44,11 @@ func TestOdo(t *testing.T) {
 	RunSpecs(t, "odo test suite")
 }
 
-var _ = BeforeSuite(func() {
-	// Save the current project
-	// commenting this out to resolve e2e tests failures on OC 4
-	// curProj = runCmdShouldPass("oc project -q")
-})
+//var _ = BeforeSuite(func() {
+// Save the current project
+// commenting this out to resolve e2e tests failures on OC 4
+// curProj = runCmdShouldPass("oc project -q")
+//})
 
 func VerifyAppNameOfComponent(cmpName string, appName string) {
 	session := runCmdShouldPass(fmt.Sprintf("oc get dc %s-%s --template={{.metadata.labels.'app'}}", cmpName, appName))

tests/e2e/helper/helper_filesystem.go

@@ -0,0 +1,103 @@
+package helper
+
+import (
+	"fmt"
+	"io"
+	"io/ioutil"
+	"os"
+	"path/filepath"
+	"runtime"
+
+	. "github.com/onsi/ginkgo"
+	. "github.com/onsi/gomega"
+)
+
+// CreateNewContext create new empty temporary directory
+func CreateNewContext() string {
+	directory, err := ioutil.TempDir("", "")
+	Expect(err).NotTo(HaveOccurred())
+	fmt.Fprintf(GinkgoWriter, "Created dir: %s\n", directory)
+	return directory
+}
+
+// DeleteDir delete directory
+func DeleteDir(dir string) {
+	fmt.Fprintf(GinkgoWriter, "Deleating dir: %s\n", dir)
+	err := os.RemoveAll(dir)
+	Expect(err).NotTo(HaveOccurred())
+
+}
+
+// Chdir change current working dir
+func Chdir(dir string) {
+	fmt.Fprintf(GinkgoWriter, "Setting current dir to: %s\n", dir)
+	err := os.Chdir(dir)
+	Expect(err).ShouldNot(HaveOccurred())
+}
+
+// Getwd retruns current working dir
+func Getwd() string {
+	dir, err := os.Getwd()
+	Expect(err).NotTo(HaveOccurred())
+	fmt.Fprintf(GinkgoWriter, "Current working dir: %s\n", dir)
+	return dir
+}
+
+// CopyExample copies an example from tests/e2e/examples/<exampleName> into targetDir
+func CopyExample(exampleName string, targetDir string) {
+	// filename of this file
+	_, filename, _, _ := runtime.Caller(0)
+	// path to the examples directory
+	examplesDir := filepath.Join(filepath.Dir(filename), "..", "examples")
+
+	src := filepath.Join(examplesDir, exampleName)
+	info, err := os.Stat(src)
+	Expect(err).NotTo(HaveOccurred())
+
+	err = copyDir(src, targetDir, info)
+	Expect(err).NotTo(HaveOccurred())
+}
+
+// copyDir copy one directory to the other
+// this function is called recursively info should start as os.Stat(src)
+func copyDir(src string, dst string, info os.FileInfo) error {
+
+	if info.IsDir() {
+		files, err := ioutil.ReadDir(src)
+		if err != nil {
+			return err
+		}
+
+		for _, file := range files {
+			dsrt := filepath.Join(src, file.Name())
+			ddst := filepath.Join(dst, file.Name())
+			if err := copyDir(dsrt, ddst, file); err != nil {
+				return err
+			}
+		}
+		return nil
+	}
+
+	if err := os.MkdirAll(filepath.Dir(dst), os.ModePerm); err != nil {
+		return err
+	}
+
+	dFile, err := os.Create(dst)
+	if err != nil {
+		return err
+	}
+	defer dFile.Close()
+
+	sFile, err := os.Open(src)
+	if err != nil {
+		return err
+	}
+	defer sFile.Close()
+
+	if err = os.Chmod(dFile.Name(), info.Mode()); err != nil {
+		return err
+	}
+
+	_, err = io.Copy(dFile, sFile)
+	return err
+}

tests/e2e/helper/helper_generic.go

@@ -0,0 +1,19 @@
+package helper
+
+import (
+	"math/rand"
+	"time"
+)
+
+func init() {
+	rand.Seed(time.Now().UTC().UnixNano())
+}
+
+func randString(n int) string {
+	const letterBytes = "abcdefghijklmnopqrstuvwxyz"
+	b := make([]byte, n)
+	for i := range b {
+		b[i] = letterBytes[rand.Intn(len(letterBytes))]
+	}
+	return string(b)
+}

tests/e2e/helper/helper_oc.go

@@ -0,0 +1,38 @@
+package helper
+
+import (
+	"fmt"
+
+	. "github.com/onsi/ginkgo"
+	//. "github.com/onsi/gomega"
+)
+
+// CreateRandProject create new project with random name (10 letters)
+// without writing to the config file (without switching project)
+func OcCreateRandProject() string {
+	projectName := randString(10)
+	fmt.Fprintf(GinkgoWriter, "Creating a new project: %s\n", projectName)
+	CmdShouldPass(fmt.Sprintf("oc new-project %s --skip-config-write", projectName))
+	return projectName
+}
+
+// OcSwitchProject switch to the project
+func OcSwitchProject(project string) {
+	CmdShouldPass(fmt.Sprintf("oc project %s ", project))
+}
+
+// DeleteProject deletes a specified project
+func OcDeleteProject(project string) {
+	fmt.Fprintf(GinkgoWriter, "Deleting project: %s\n", project)
+	CmdShouldPass(fmt.Sprintf("oc delete project %s --now", project))
+}
+
+// OcCurrentProject get currently active project in oc
+// returns empty string if there no active project, or no access to the project
+func OcGetCurrentProject() string {
+	stdout, _, exitCode := cmdRunner("oc project -q")
+	if exitCode == 0 {
+		return stdout
+	}
+	return ""
+}