devfile create Interation test on kubernetes cluster using travis CI (#2884)

* Run devfile create Interation test on kubernetes cluster

* Skipping s2i image related test on kubernetes cluster

.travis.yml

@@ -168,7 +168,7 @@ jobs:
     # Run devfile integration test on Kubernetes cluster    
     - <<: *base-test
       stage: test
-      name: "devfile catalog, watch, push and delete command integration tests on kubernetes cluster"
+      name: "devfile catalog, watch, push, delete and create command integration tests on kubernetes cluster"
       env:
         - MINIKUBE_WANTUPDATENOTIFICATION=false
         - MINIKUBE_WANTREPORTERRORPROMPT=false
@@ -193,3 +193,4 @@ jobs:
         - travis_wait make test-cmd-devfile-watch
         - travis_wait make test-cmd-devfile-push
         - travis_wait make test-cmd-devfile-delete
+        - travis_wait make test-cmd-devfile-create

tests/integration/devfile/cmd_devfile_create_test.go

@@ -15,26 +15,30 @@ import (
 var _ = Describe("odo devfile create command tests", func() {
 	const devfile = "devfile.yaml"
 	const envFile = ".odo/env/env.yaml"
-	var namespace string
-	var context string
-	var currentWorkingDirectory string
-	var devfilePath string
+	var namespace, context, currentWorkingDirectory, devfilePath, originalKubeconfig string
+
+	// Using program commmand according to cliRunner in devfile
+	cliRunner := helper.GetCliRunner()
 
 	// This is run after every Spec (It)
 	var _ = BeforeEach(func() {
 		SetDefaultEventuallyTimeout(10 * time.Minute)
-		namespace = helper.CreateRandProject()
 		context = helper.CreateNewContext()
-		currentWorkingDirectory = helper.Getwd()
-		helper.Chdir(context)
 		os.Setenv("GLOBALODOCONFIG", filepath.Join(context, "config.yaml"))
 		helper.CmdShouldPass("odo", "preference", "set", "Experimental", "true")
+		originalKubeconfig = os.Getenv("KUBECONFIG")
+		helper.LocalKubeconfigSet(context)
+		namespace = cliRunner.CreateRandNamespaceProject()
+		currentWorkingDirectory = helper.Getwd()
+		helper.Chdir(context)
 	})
 
 	// This is run after every Spec (It)
 	var _ = AfterEach(func() {
-		helper.DeleteProject(namespace)
+		cliRunner.DeleteNamespaceProject(namespace)
 		helper.Chdir(currentWorkingDirectory)
+		err := os.Setenv("KUBECONFIG", originalKubeconfig)
+		Expect(err).NotTo(HaveOccurred())
 		helper.DeleteDir(context)
 		os.Unsetenv("GLOBALODOCONFIG")
 	})
@@ -48,7 +52,14 @@ var _ = Describe("odo devfile create command tests", func() {
 			Expect(helper.CmdShouldPass("odo", "create", "nodejs")).To(ContainSubstring(experimentalOutputMsg))
 
 		})
+	})
 
+	Context("Disabling experimental preference should show a disclaimer", func() {
+		JustBeforeEach(func() {
+			if os.Getenv("KUBERNETES") == "true" {
+				Skip("Skipping test because s2i image is not supported on Kubernetes cluster")
+			}
+		})
 		It("checks that the experimental warning does *not* appear when Experimental is set to false for create", func() {
 			helper.CmdShouldPass("odo", "preference", "set", "Experimental", "false", "-f")
 			helper.CopyExample(filepath.Join("source", "nodejs"), context)
@@ -67,7 +78,12 @@ var _ = Describe("odo devfile create command tests", func() {
 		It("should fail to create the devfile componet with invalid component type", func() {
 			fakeComponentName := "fake-component"
 			output := helper.CmdShouldFail("odo", "create", fakeComponentName)
-			expectedString := "component type \"" + fakeComponentName + "\" not found"
+			var expectedString string
+			if os.Getenv("KUBERNETES") == "true" {
+				expectedString = "component type not found"
+			} else {
+				expectedString = "component type \"" + fakeComponentName + "\" not found"
+			}
 			helper.MatchAllInOutput(output, []string{expectedString})
 		})
 	})