chore: Add code coverage test (#560)

* chore: Add travis and code coverage

* README: Update

Signed-off-by: Ce Gao <gaoce@caicloud.io>

.travis.yml

@@ -0,0 +1,21 @@
+language: go
+
+go:
+  - "1.10"
+  - "1.11"
+  - "1.12"
+
+go_import_path: github.com/kubeflow/katib
+
+install:
+  - curl -L -O "https://github.com/kubernetes-sigs/kubebuilder/releases/download/v1.0.7/kubebuilder_1.0.7_linux_amd64.tar.gz"
+  - # extract the archive
+  - tar -zxvf kubebuilder_1.0.7_linux_amd64.tar.gz
+  - sudo mv kubebuilder_1.0.7_linux_amd64 /usr/local/kubebuilder
+  - export PATH=$PATH:/usr/local/kubebuilder/bin
+  # get coveralls.io support
+  - go get github.com/mattn/goveralls
+
+script:
+  - make test
+  - goveralls -coverprofile=coverage.out

Makefile

@@ -1,14 +1,15 @@
 # Run tests
+.PHONY: test
 test:
-	go test ./pkg/... ./cmd/...
+	go test ./pkg/... ./cmd/... -coverprofile coverage.out
 
 # Build Katib images
 build: 
-	sh scripts/v1alpha1/build.sh
+	bash scripts/v1alpha1/build.sh
 
 # Deploy katib manifests into a k8s cluster
 deploy: 
-	sh scripts/v1alpha1/deploy.sh
+	bash scripts/v1alpha1/deploy.sh
 
 # Run go fmt against code
 fmt:

README.md

@@ -3,6 +3,8 @@
   <br>
 </h1>
 
+[![Build Status](https://travis-ci.org/kubeflow/katib.svg?branch=master)](https://travis-ci.org/kubeflow/katib)
+[![Coverage Status](https://coveralls.io/repos/github/kubeflow/katib/badge.svg?branch=master)](https://coveralls.io/github/kubeflow/katib?branch=master)
 [![Go Report Card](https://goreportcard.com/badge/github.com/kubeflow/katib)](https://goreportcard.com/report/github.com/kubeflow/katib)
 
 Hyperparameter Tuning on Kubernetes.

pkg/common/v1alpha2/katib_manager_util.go

@@ -134,4 +134,4 @@ func GetSuggestions(request *api_pb.GetSuggestionsRequest) (*api_pb.GetSuggestio
 	defer closeKatibManagerConnection(kcc)
 	kc := kcc.KatibManagerClient
 	return kc.GetSuggestions(ctx, request)
-}
+}

pkg/controller/v1alpha1/studyjob/manifest_parser.go

@@ -20,9 +20,9 @@ import (
 	"fmt"
 	"text/template"
 
-	common "github.com/kubeflow/katib/pkg/common/v1alpha1"
 	katibv1alpha1 "github.com/kubeflow/katib/pkg/api/operators/apis/studyjob/v1alpha1"
 	katibapi "github.com/kubeflow/katib/pkg/api/v1alpha1"
+	common "github.com/kubeflow/katib/pkg/common/v1alpha1"
 	"github.com/kubeflow/katib/pkg/manager/v1alpha1/studyjobclient"
 
 	"k8s.io/apimachinery/pkg/util/uuid"

pkg/controller/v1alpha2/experiment/manifest/generator_test.go

@@ -129,7 +129,7 @@ data:
 				- "fakens"
 				- "-mn"
 				- "test"`
-	
+
 	if expected != actual.String() {
 		t.Errorf("Expected %s, got %s", expected, actual)
 	}

pkg/controller/v1alpha2/trial/trial_controller.go

@@ -63,8 +63,8 @@ func Add(mgr manager.Manager) error {
 // newReconciler returns a new reconcile.Reconciler
 func newReconciler(mgr manager.Manager) reconcile.Reconciler {
 	r := &ReconcileTrial{
-		Client: mgr.GetClient(), 
-		scheme: mgr.GetScheme(),
+		Client:        mgr.GetClient(),
+		scheme:        mgr.GetScheme(),
 		ManagerClient: managerclient.New(),
 	}
 	r.updateStatusHandler = r.updateStatus