Merge pull request #81 from tongjingran/diffReset

Add test case for goc diff

cmd/diff.go

@@ -160,7 +160,7 @@ func doDiffUnderProw(cmd *cobra.Command, args []string) {
 		if qiniuCredential == "" {
 			logrus.Fatalf("qiniu credential not provided")
 		}
-		var qc *qiniu.Client
+		var qc qiniu.Client
 		var conf qiniu.Config
 		files, err := ioutil.ReadFile(*&qiniuCredential)
 		if err != nil {
@@ -180,7 +180,7 @@ func doDiffUnderProw(cmd *cobra.Command, args []string) {
 		}
 		qc = qiniu.NewClient(&conf)
 
-		localArtifacts := qiniu.Artifacts{
+		localArtifacts := qiniu.ProfileArtifacts{
 			Directory:          artifacts,
 			ProfileName:        newProfile,
 			ChangedProfileName: qiniu.ChangedProfileName,

pkg/cover/cover_test.go

@@ -93,6 +93,12 @@ func TestCovList(t *testing.T) {
 	}
 }
 
+func TestReadFileToCoverList(t *testing.T) {
+	path := "unknown"
+	_, err := ReadFileToCoverList(path)
+	assert.Equal(t, err.Error(), "open unknown: no such file or directory")
+}
+
 func TestTotalPercentage(t *testing.T) {
 	items := []struct {
 		list      CoverageList

pkg/github/github.go

@@ -38,8 +38,17 @@ import (
 // It is also the flag when checking whether the target comment exists or not to avoid duplicate
 const CommentsPrefix = "The following is the coverage report on the affected files."
 
-// PrComment is the entry which is able to comment on Github Pull Requests
+// PrComment is the interface of the entry which is able to comment on Github Pull Requests
-type PrComment struct {
+type PrComment interface {
+	CreateGithubComment(commentPrefix string, diffCovList cover.DeltaCovList) (err error)
+	PostComment(content, commentPrefix string) error
+	EraseHistoryComment(commentPrefix string) error
+	GetPrChangedFiles() (files []string, err error)
+	GetCommentFlag() string
+}
+
+// GithubPrComment is the entry which is able to comment on Github Pull Requests
+type GithubPrComment struct {
 	RobotUserName string
 	RepoOwner     string
 	RepoName      string
@@ -51,7 +60,7 @@ type PrComment struct {
 }
 
 // NewPrClient creates an Client which be able to comment on Github Pull Request
-func NewPrClient(githubTokenPath, repoOwner, repoName, prNumStr, botUserName, commentFlag string) *PrComment {
+func NewPrClient(githubTokenPath, repoOwner, repoName, prNumStr, botUserName, commentFlag string) *GithubPrComment {
 	var client *github.Client
 
 	// performs automatic retries when connection error occurs or a 500-range response code received (except 501)
@@ -72,7 +81,7 @@ func NewPrClient(githubTokenPath, repoOwner, repoName, prNumStr, botUserName, co
 	tc := oauth2.NewClient(ctx, ts)
 	client = github.NewClient(tc)
 
-	return &PrComment{
+	return &GithubPrComment{
 		RobotUserName: botUserName,
 		RepoOwner:     repoOwner,
 		RepoName:      repoName,
@@ -85,7 +94,7 @@ func NewPrClient(githubTokenPath, repoOwner, repoName, prNumStr, botUserName, co
 }
 
 // CreateGithubComment post github comment of diff coverage
-func (c *PrComment) CreateGithubComment(commentPrefix string, diffCovList cover.DeltaCovList) (err error) {
+func (c *GithubPrComment) CreateGithubComment(commentPrefix string, diffCovList cover.DeltaCovList) (err error) {
 	if len(diffCovList) == 0 {
 		logrus.Printf("Detect 0 files coverage diff, will not comment to github.")
 		return nil
@@ -101,7 +110,7 @@ func (c *PrComment) CreateGithubComment(commentPrefix string, diffCovList cover.
 }
 
 // PostComment post comment on github. It erased the old one if existed to avoid duplicate
-func (c *PrComment) PostComment(content, commentPrefix string) error {
+func (c *GithubPrComment) PostComment(content, commentPrefix string) error {
 	//step1: erase history similar comment to avoid too many comment for same job
 	err := c.EraseHistoryComment(commentPrefix)
 	if err != nil {
@@ -121,7 +130,7 @@ func (c *PrComment) PostComment(content, commentPrefix string) error {
 }
 
 // EraseHistoryComment erase history similar comment before post again
-func (c *PrComment) EraseHistoryComment(commentPrefix string) error {
+func (c *GithubPrComment) EraseHistoryComment(commentPrefix string) error {
 	comments, _, err := c.GithubClient.Issues.ListComments(c.Ctx, c.RepoOwner, c.RepoName, c.PrNumber, nil)
 	if err != nil {
 		logrus.Errorf("list PR comments failed.")
@@ -143,7 +152,7 @@ func (c *PrComment) EraseHistoryComment(commentPrefix string) error {
 }
 
 // GetPrChangedFiles get github pull request changes file list
-func (c *PrComment) GetPrChangedFiles() (files []string, err error) {
+func (c *GithubPrComment) GetPrChangedFiles() (files []string, err error) {
 	var commitFiles []*github.CommitFile
 	for {
 		f, resp, err := c.GithubClient.PullRequests.ListFiles(c.Ctx, c.RepoOwner, c.RepoName, c.PrNumber, c.opt)
@@ -165,6 +174,11 @@ func (c *PrComment) GetPrChangedFiles() (files []string, err error) {
 	return
 }
 
+// GetCommentFlag get CommentFlag from the GithubPrComment
+func (c *GithubPrComment) GetCommentFlag() string {
+	return c.CommentFlag
+}
+
 // GenCommentContent generate github comment content based on diff coverage and commentFlag
 func GenCommentContent(commentPrefix string, delta cover.DeltaCovList) string {
 	var buf bytes.Buffer

pkg/github/github_test.go

@@ -121,7 +121,7 @@ func TestCreateGithubComment(t *testing.T) {
 	router.HandlerFunc("DELETE", "/repos/qiniu/goc/issues/comments/1", func(w http.ResponseWriter, r *http.Request) {
 	})
 
-	p := PrComment{
+	p := GithubPrComment{
 		RobotUserName: "qiniu-bot",
 		RepoOwner:     "qiniu",
 		RepoName:      "goc",
@@ -135,6 +135,12 @@ func TestCreateGithubComment(t *testing.T) {
 	p.CreateGithubComment("", coverList)
 }
 
+func TestCreateGithubCommentError(t *testing.T) {
+	p := &GithubPrComment{}
+	err := p.CreateGithubComment("", cover.DeltaCovList{})
+	assert.NoError(t, err)
+}
+
 func TestGetPrChangedFiles(t *testing.T) {
 	client, router, _, teardown := setup()
 	defer teardown()
@@ -146,7 +152,7 @@ func TestGetPrChangedFiles(t *testing.T) {
 		fmt.Fprint(w, `[{"filename":"src/qiniu.com/kodo/s3apiv2/bucket/bucket.go"}]`)
 	})
 
-	p := PrComment{
+	p := GithubPrComment{
 		RobotUserName: "qiniu-bot",
 		RepoOwner:     "qiniu",
 		RepoName:      "goc",
@@ -160,3 +166,11 @@ func TestGetPrChangedFiles(t *testing.T) {
 	assert.Equal(t, err, nil)
 	assert.Equal(t, changedFiles, expectFiles)
 }
+
+func TestGetCommentFlag(t *testing.T) {
+	p := GithubPrComment{
+		CommentFlag: "flag",
+	}
+	flag := p.GetCommentFlag()
+	assert.Equal(t, flag, p.CommentFlag)
+}

pkg/prow/job.go

@@ -54,9 +54,9 @@ type Job struct {
 	PostSubmitCoverProfile string
 	CovThreshold           int
 	LocalProfilePath       string
-	QiniuClient            *qiniu.Client
+	QiniuClient            qiniu.Client
-	LocalArtifacts         *qiniu.Artifacts
+	LocalArtifacts         qiniu.Artifacts
-	GithubComment          *github.PrComment
+	GithubComment          github.PrComment
 	FullDiff               bool
 }
 
@@ -67,32 +67,16 @@ func (j *Job) Fetch(BuildID, name string) []byte {
 
 // RunPresubmit run a presubmit job
 func (j *Job) RunPresubmit() error {
-	var changedFiles []string
+	// step1: get local profile cov
-	var deltaCovList cover.DeltaCovList
-
-	// step1: get github pull request changed files' name
-	if !j.FullDiff {
-		var ghChangedFiles, err = j.GithubComment.GetPrChangedFiles()
-		if err != nil {
-			logrus.WithError(err).Fatalf("Get pull request changed file failed.")
-		}
-		if len(ghChangedFiles) == 0 {
-			logrus.Printf("0 files changed in github pull request, don't need to run coverage profile in presubmit.\n")
-			return nil
-		}
-		changedFiles = trimGhFileToProfile(ghChangedFiles)
-	}
-
-	// step2: get local profile cov
 	localP, err := cover.ReadFileToCoverList(j.LocalProfilePath)
 	if err != nil {
-		logrus.WithError(err).Fatalf("failed to get remote cover profile")
+		return fmt.Errorf("failed to get remote cover profile: %s", err.Error())
 	}
 
-	//step3: find the remote healthy cover profile from qiniu bucket
+	//step2: find the remote healthy cover profile from qiniu bucket
 	remoteProfile, err := qiniu.FindBaseProfileFromQiniu(j.QiniuClient, j.PostSubmitJob, j.PostSubmitCoverProfile)
 	if err != nil {
-		logrus.WithError(err).Fatalf("failed to get remote cover profile")
+		return fmt.Errorf("failed to get remote cover profile: %s", err.Error())
 	}
 	if remoteProfile == nil {
 		logrus.Infof("get non healthy remoteProfile, do nothing")
@@ -100,36 +84,30 @@ func (j *Job) RunPresubmit() error {
 	}
 	baseP, err := cover.CovList(bytes.NewReader(remoteProfile))
 	if err != nil {
-		logrus.WithError(err).Fatalf("failed to get remote cover profile")
+		return fmt.Errorf("failed to get remote cover profile: %s", err.Error())
 	}
 
-	// step4: calculate diff cov between local and remote profile
+	// step3: get github pull request changed files' name and calculate diff cov between local and remote profile
-	if !j.FullDiff {
+	changedFiles, deltaCovList, err := getFilesAndCovList(j.FullDiff, j.GithubComment, localP, baseP)
-		deltaCovList = cover.GetChFileDeltaCov(localP, baseP, changedFiles)
+	if err != nil {
-	} else {
+		return fmt.Errorf("Get files and covlist failed: %s", err.Error())
-		deltaCovList = cover.GetDeltaCov(localP, baseP)
-		logrus.Infof("get delta file name is:")
-		for _, d := range deltaCovList {
-			logrus.Infof("%s", d.FileName)
-			changedFiles = append(changedFiles, d.FileName)
-		}
 	}
 
-	// step5: generate changed file html coverage
+	// step4: generate changed file html coverage
 	err = j.WriteChangedCov(changedFiles)
 	if err != nil {
-		logrus.WithError(err).Fatalf("filter local profile to %s with changed files failed", j.LocalArtifacts.ChangedProfileName)
+		return fmt.Errorf("filter local profile to %s with changed files failed: %s", j.LocalArtifacts.GetChangedProfileName(), err.Error())
 	}
 	err = j.CreateChangedCovHtml()
 	if err != nil {
-		logrus.WithError(err).Fatalf("create changed file related coverage html failed")
+		return fmt.Errorf("create changed file related coverage html failed: %s", err.Error())
 	}
 	j.SetDeltaCovLinks(deltaCovList)
 
-	// step6: post comment to github
+	// step5: post comment to github
 	commentPrefix := github.CommentsPrefix
-	if j.GithubComment.CommentFlag != "" {
+	if j.GithubComment.GetCommentFlag() != "" {
-		commentPrefix = fmt.Sprintf("**%s** ", j.GithubComment.CommentFlag) + commentPrefix
+		commentPrefix = fmt.Sprintf("**%s** ", j.GithubComment.GetCommentFlag()) + commentPrefix
 	}
 	if len(deltaCovList) > 0 {
 		totalDelta := cover.PercentStr(cover.TotalDelta(localP, baseP))
@@ -137,7 +115,7 @@ func (j *Job) RunPresubmit() error {
 	}
 	err = j.GithubComment.CreateGithubComment(commentPrefix, deltaCovList)
 	if err != nil {
-		logrus.WithError(err).Fatalf("Post comment to github failed.")
+		return fmt.Errorf("Post comment to github failed: %s", err.Error())
 	}
 
 	return nil
@@ -217,10 +195,10 @@ func (j *Job) SetDeltaCovLinks(c cover.DeltaCovList) {
 
 // CreateChangedCovHtml create changed file related coverage html base on the local artifact
 func (j *Job) CreateChangedCovHtml() error {
-	if j.LocalArtifacts.ChangedProfileName == "" {
+	if j.LocalArtifacts.GetChangedProfileName() == "" {
 		logrus.Errorf("param LocalArtifacts.ChangedProfileName is empty")
 	}
-	pathProfileCov := j.LocalArtifacts.ChangedProfileName
+	pathProfileCov := j.LocalArtifacts.GetChangedProfileName()
 	pathHtmlCov := path.Join(os.Getenv("ARTIFACTS"), j.HtmlProfile())
 	cmdTxt := fmt.Sprintf("go tool cover -html=%s -o %s", pathProfileCov, pathHtmlCov)
 	logrus.Printf("Running command '%s'\n", cmdTxt)
@@ -231,3 +209,29 @@ func (j *Job) CreateChangedCovHtml() error {
 	}
 	return err
 }
+
+func getFilesAndCovList(fullDiff bool, prComment github.PrComment, localP, baseP cover.CoverageList) (changedFiles []string, deltaCovList cover.DeltaCovList, err error) {
+	if !fullDiff {
+		// get github pull request changed files' name
+		var ghChangedFiles, err = prComment.GetPrChangedFiles()
+		if err != nil {
+			return nil, nil, fmt.Errorf("Get pull request changed file failed: %s", err.Error())
+		}
+		if len(ghChangedFiles) == 0 {
+			logrus.Printf("0 files changed in github pull request, don't need to run coverage profile in presubmit.\n")
+			return nil, nil, nil
+		}
+		changedFiles = trimGhFileToProfile(ghChangedFiles)
+
+		// calculate diff cov between local and remote profile
+		deltaCovList = cover.GetChFileDeltaCov(localP, baseP, changedFiles)
+		logrus.Printf("Get changed files and delta cover list success. ChangedFiles: [%+v], DeltaCovList: [%+v]", changedFiles, deltaCovList)
+		return changedFiles, deltaCovList, nil
+	}
+	deltaCovList = cover.GetDeltaCov(localP, baseP)
+	for _, d := range deltaCovList {
+		changedFiles = append(changedFiles, d.FileName)
+	}
+	logrus.Printf("Get all files and delta cover list success. Files: [%+v], DeltaCovList: [%+v]", changedFiles, deltaCovList)
+	return changedFiles, deltaCovList, nil
+}

pkg/prow/job_test.go

@@ -17,18 +17,99 @@
 package prow
 
 import (
+	"context"
+	"errors"
+	"fmt"
 	"io/ioutil"
 	"os"
 	"path"
 	"testing"
+	"time"
 
 	"github.com/sirupsen/logrus"
 	"github.com/stretchr/testify/assert"
 
+	"github.com/qiniu/goc/pkg/cover"
 	"github.com/qiniu/goc/pkg/github"
 	"github.com/qiniu/goc/pkg/qiniu"
 )
 
+var (
+	defaultContent = `mode: atomic
+qiniu.com/kodo/bd/bdgetter/source.go:19.118,22.2 2 0
+qiniu.com/kodo/bd/bdgetter/source.go:37.34,39.2 1 0
+qiniu.com/kodo/bd/pfd/locker/app/qboxbdlocker/main.go:50.2,53.52 4 1
+qiniu.com/kodo/bd/pfd/locker/bdlocker/locker.go:33.51,35.2 1 0`
+	defaultLocalPath   = "local.cov"
+	defaultChangedPath = "changed.cov"
+)
+
+type MockQnClient struct {
+	QiniuObjectHandleRes  qiniu.ObjectHandle
+	ReadObjectRes         []byte
+	ReadObjectErr         error
+	ListAllRes            []string
+	ListAllErr            error
+	GetAccessURLRes       string
+	GetArtifactDetailsRes *qiniu.LogHistoryTemplate
+	GetArtifactDetailsErr error
+	ListSubDirsRes        []string
+	ListSubDirsErr        error
+}
+
+func (s *MockQnClient) QiniuObjectHandle(key string) qiniu.ObjectHandle {
+	return s.QiniuObjectHandleRes
+}
+
+func (s *MockQnClient) ReadObject(key string) ([]byte, error) {
+	return s.ReadObjectRes, s.ReadObjectErr
+}
+
+func (s *MockQnClient) ListAll(ctx context.Context, prefix string, delimiter string) ([]string, error) {
+	return s.ListAllRes, s.ListAllErr
+}
+
+func (s *MockQnClient) GetAccessURL(key string, timeout time.Duration) string {
+	return s.GetAccessURLRes
+}
+
+func (s *MockQnClient) GetArtifactDetails(key string) (*qiniu.LogHistoryTemplate, error) {
+	return s.GetArtifactDetailsRes, s.GetArtifactDetailsErr
+}
+
+func (s *MockQnClient) ListSubDirs(prefix string) ([]string, error) {
+	return s.ListSubDirsRes, s.ListSubDirsErr
+}
+
+type MockPrComment struct {
+	GetPrChangedFilesRes   []string
+	GetPrChangedFilesErr   error
+	PostCommentErr         error
+	EraseHistoryCommentErr error
+	CreateGithubCommentErr error
+	CommentFlag            string
+}
+
+func (s *MockPrComment) GetPrChangedFiles() (files []string, err error) {
+	return s.GetPrChangedFilesRes, s.GetPrChangedFilesErr
+}
+
+func (s *MockPrComment) PostComment(content, commentPrefix string) error {
+	return s.PostCommentErr
+}
+
+func (s *MockPrComment) EraseHistoryComment(commentPrefix string) error {
+	return s.EraseHistoryCommentErr
+}
+
+func (s *MockPrComment) CreateGithubComment(commentPrefix string, diffCovList cover.DeltaCovList) (err error) {
+	return s.CreateGithubCommentErr
+}
+
+func (s *MockPrComment) GetCommentFlag() string {
+	return s.CommentFlag
+}
+
 func TestTrimGhFileToProfile(t *testing.T) {
 	items := []struct {
 		inputFiles  []string
@@ -54,13 +135,9 @@ func setup(path, content string) {
 }
 
 func TestWriteChangedCov(t *testing.T) {
-	path := "local.cov"
+	path := defaultLocalPath
 	savePath := qiniu.ChangedProfileName
-	content := `mode: atomic
+	content := defaultContent
-qiniu.com/kodo/bd/bdgetter/source.go:19.118,22.2 2 0
-qiniu.com/kodo/bd/bdgetter/source.go:37.34,39.2 1 0
-qiniu.com/kodo/bd/pfd/locker/app/qboxbdlocker/main.go:50.2,53.52 4 1
-qiniu.com/kodo/bd/pfd/locker/bdlocker/locker.go:33.51,35.2 1 0`
 	changedFiles := []string{"qiniu.com/kodo/bd/pfd/locker/bdlocker/locker.go"}
 	expectContent := `mode: atomic
 qiniu.com/kodo/bd/pfd/locker/bdlocker/locker.go:33.51,35.2 1 0
@@ -71,7 +148,7 @@ qiniu.com/kodo/bd/pfd/locker/bdlocker/locker.go:33.51,35.2 1 0
 	defer os.Remove(savePath)
 	j := &Job{
 		LocalProfilePath: path,
-		LocalArtifacts:   &qiniu.Artifacts{ChangedProfileName: savePath},
+		LocalArtifacts:   &qiniu.ProfileArtifacts{ChangedProfileName: savePath},
 	}
 	j.WriteChangedCov(changedFiles)
 
@@ -95,10 +172,8 @@ func TestRunPresubmitFulldiff(t *testing.T) {
 
 	//mock local profile
 	pwd, err := os.Getwd()
-	if err != nil {
+	assert.NoError(t, err)
-		logrus.WithError(err).Fatalf("get pwd failed")
+	localPath := defaultLocalPath
-	}
-	localPath := "local.cov"
 	localProfileContent := `mode: atomic
 "qiniu.com/kodo/apiserver/server/main.go:32.49,33.13 1 30
 "qiniu.com/kodo/apiserver/server/main.go:42.49,43.13 1 0`
@@ -130,12 +205,176 @@ func TestRunPresubmitFulldiff(t *testing.T) {
 		PostSubmitJob:          "kodo-postsubmits-go-st-coverage",
 		PostSubmitCoverProfile: "filterd.cov",
 		LocalProfilePath:       localPath,
-		LocalArtifacts:         &qiniu.Artifacts{ChangedProfileName: ChangedProfilePath},
+		LocalArtifacts:         &qiniu.ProfileArtifacts{ChangedProfileName: ChangedProfilePath},
 		QiniuClient:            qc,
 		GithubComment:          prClient,
 		FullDiff:               true,
 	}
 	defer os.Remove(path.Join(os.Getenv("ARTIFACTS"), j.HtmlProfile()))
 
-	j.RunPresubmit()
+	err = j.RunPresubmit()
+	assert.NoError(t, err)
+}
+
+func TestRunPresubmitError(t *testing.T) {
+	items := []struct {
+		prepare bool // prepare local profile
+		j       Job
+		err     string
+	}{
+		{
+			prepare: false,
+			j: Job{
+				LocalProfilePath: "unkown",
+			},
+			err: "no such file or directory",
+		},
+		{
+			prepare: true,
+			j: Job{
+				LocalProfilePath: defaultLocalPath,
+				QiniuClient:      &MockQnClient{},
+			},
+		},
+		{
+			prepare: true,
+			j: Job{
+				LocalProfilePath: defaultLocalPath,
+				QiniuClient:      &MockQnClient{ListSubDirsErr: errors.New("mock error")},
+			},
+			err: "mock error",
+		},
+		{
+			prepare: true,
+			j: Job{
+				LocalProfilePath: defaultLocalPath,
+				QiniuClient:      &MockProfileQnClient{},
+				GithubComment:    &MockPrComment{GetPrChangedFilesRes: []string{"qiniu.com/kodo/apiserver/server/main.go"}},
+				FullDiff:         true,
+				LocalArtifacts:   &qiniu.ProfileArtifacts{ChangedProfileName: defaultChangedPath},
+			},
+			err: "",
+		},
+	}
+	for _, tc := range items {
+		if tc.prepare {
+			path := defaultLocalPath
+			setup(path, defaultContent)
+			defer os.Remove(path)
+			defer os.Remove(defaultChangedPath)
+		}
+		err := tc.j.RunPresubmit()
+		if tc.err == "" {
+			assert.NoError(t, err)
+		} else {
+			assert.Contains(t, err.Error(), tc.err)
+		}
+	}
+}
+
+type MockProfileQnClient struct {
+	*MockQnClient
+}
+
+func (s *MockProfileQnClient) ListSubDirs(prefix string) ([]string, error) {
+	return []string{defaultContent}, nil
+}
+
+func (s *MockProfileQnClient) ReadObject(key string) ([]byte, error) {
+	logrus.Info(key)
+	if key == "logs/1/finished.json" {
+		return []byte(`{"timestamp":1590750306,"passed":true,"result":"SUCCESS","repo-version":"76433418ea48aae57af028f9cb2fa3735ce08c7d"}`), nil
+	}
+	return []byte(""), nil
+}
+
+func TestGetFilesAndCovList(t *testing.T) {
+	items := []struct {
+		fullDiff   bool
+		prComment  github.PrComment
+		localP     cover.CoverageList
+		baseP      cover.CoverageList
+		err        string
+		lenFiles   int
+		lenCovList int
+	}{
+		{
+			fullDiff:  true,
+			prComment: &MockPrComment{},
+			localP: cover.CoverageList{
+				{FileName: "qiniu.com/kodo/apiserver/server/main.go", NCoveredStmts: 2, NAllStmts: 2},
+				{FileName: "qiniu.com/kodo/apiserver/server/test.go", NCoveredStmts: 2, NAllStmts: 2},
+			},
+			baseP: cover.CoverageList{
+				{FileName: "qiniu.com/kodo/apiserver/server/main.go", NCoveredStmts: 1, NAllStmts: 2},
+				{FileName: "qiniu.com/kodo/apiserver/server/test.go", NCoveredStmts: 1, NAllStmts: 2},
+			},
+			lenFiles:   2,
+			lenCovList: 2,
+		},
+		{
+			fullDiff:  false,
+			prComment: &MockPrComment{GetPrChangedFilesErr: errors.New("mock error")},
+			err:       "mock error",
+		},
+		{
+			fullDiff:   false,
+			prComment:  &MockPrComment{},
+			lenFiles:   0,
+			lenCovList: 0,
+		},
+		{
+			fullDiff:  false,
+			prComment: &MockPrComment{GetPrChangedFilesRes: []string{"qiniu.com/kodo/apiserver/server/main.go"}},
+			localP: cover.CoverageList{
+				{FileName: "qiniu.com/kodo/apiserver/server/main.go", NCoveredStmts: 2, NAllStmts: 2},
+				{FileName: "qiniu.com/kodo/apiserver/server/test.go", NCoveredStmts: 2, NAllStmts: 2},
+			},
+			baseP: cover.CoverageList{
+				{FileName: "qiniu.com/kodo/apiserver/server/main.go", NCoveredStmts: 1, NAllStmts: 2},
+				{FileName: "qiniu.com/kodo/apiserver/server/test.go", NCoveredStmts: 1, NAllStmts: 2},
+			},
+			lenFiles:   1,
+			lenCovList: 1,
+		},
+	}
+
+	for i, tc := range items {
+		fmt.Println(i)
+		files, covList, err := getFilesAndCovList(tc.fullDiff, tc.prComment, tc.localP, tc.baseP)
+		if err != nil {
+			assert.Contains(t, err.Error(), tc.err)
+		} else {
+			assert.Equal(t, len(files), tc.lenFiles)
+			assert.Equal(t, len(covList), tc.lenCovList)
+		}
+	}
+}
+
+func TestSetDeltaCovLinks(t *testing.T) {
+	covList := cover.DeltaCovList{{FileName: "file1", BasePer: "5%", NewPer: "5%", DeltaPer: "0"}}
+	j := &Job{
+		QiniuClient: &MockQnClient{},
+	}
+	j.SetDeltaCovLinks(covList)
+}
+
+// functions to be done
+
+func TestRunPostsubmit(t *testing.T) {
+	j := &Job{}
+	err := j.RunPostsubmit()
+	assert.NoError(t, err)
+}
+
+func TestRunPeriodic(t *testing.T) {
+	j := &Job{}
+	err := j.RunPeriodic()
+	assert.NoError(t, err)
+}
+
+func TestFetch(t *testing.T) {
+	j := &Job{}
+	res := j.Fetch("buidID", "name")
+	assert.Equal(t, res, []byte{})
 }

pkg/qiniu/client.go

@@ -43,23 +43,33 @@ type Config struct {
 	Domain string `json:"domain"`
 }
 
-// Client for the operation with qiniu cloud
+// Client is the interface contains the operation with qiniu cloud
-type Client struct {
+type Client interface {
+	QiniuObjectHandle(key string) ObjectHandle
+	ReadObject(key string) ([]byte, error)
+	ListAll(ctx context.Context, prefix string, delimiter string) ([]string, error)
+	GetAccessURL(key string, timeout time.Duration) string
+	GetArtifactDetails(key string) (*LogHistoryTemplate, error)
+	ListSubDirs(prefix string) ([]string, error)
+}
+
+// QnClient for the operation with qiniu cloud
+type QnClient struct {
 	cfg           *Config
 	BucketManager *storage.BucketManager
 }
 
-// NewClient creates a new client to work with qiniu cloud
+// NewClient creates a new QnClient to work with qiniu cloud
-func NewClient(cfg *Config) *Client {
+func NewClient(cfg *Config) *QnClient {
-	return &Client{
+	return &QnClient{
 		cfg:           cfg,
 		BucketManager: storage.NewBucketManager(qbox.NewMac(cfg.AccessKey, cfg.SecretKey), nil),
 	}
 }
 
 // QiniuObjectHandle construct a object hanle to access file in qiniu
-func (q *Client) QiniuObjectHandle(key string) *ObjectHandle {
+func (q *QnClient) QiniuObjectHandle(key string) ObjectHandle {
-	return &ObjectHandle{
+	return &QnObjectHandle{
 		key:    key,
 		cfg:    q.cfg,
 		bm:     q.BucketManager,
@@ -69,7 +79,7 @@ func (q *Client) QiniuObjectHandle(key string) *ObjectHandle {
 }
 
 // ReadObject to read all the content of key
-func (q *Client) ReadObject(key string) ([]byte, error) {
+func (q *QnClient) ReadObject(key string) ([]byte, error) {
 	objectHandle := q.QiniuObjectHandle(key)
 	reader, err := objectHandle.NewReader(context.Background())
 	if err != nil {
@@ -80,7 +90,7 @@ func (q *Client) ReadObject(key string) ([]byte, error) {
 }
 
 // ListAll to list all the files with contains the expected prefix
-func (q *Client) ListAll(ctx context.Context, prefix string, delimiter string) ([]string, error) {
+func (q *QnClient) ListAll(ctx context.Context, prefix string, delimiter string) ([]string, error) {
 	var files []string
 	artifacts, err := q.listEntries(prefix, delimiter)
 	if err != nil {
@@ -94,8 +104,8 @@ func (q *Client) ListAll(ctx context.Context, prefix string, delimiter string) (
 	return files, nil
 }
 
-// ListAll to list all the entries with contains the expected prefix
+// listEntries to list all the entries with contains the expected prefix
-func (q *Client) listEntries(prefix string, delimiter string) ([]storage.ListItem, error) {
+func (q *QnClient) listEntries(prefix string, delimiter string) ([]storage.ListItem, error) {
 	var marker string
 	var artifacts []storage.ListItem
 
@@ -124,7 +134,7 @@ func (q *Client) listEntries(prefix string, delimiter string) ([]storage.ListIte
 }
 
 // GetAccessURL return a url which can access artifact directly in qiniu
-func (q *Client) GetAccessURL(key string, timeout time.Duration) string {
+func (q *QnClient) GetAccessURL(key string, timeout time.Duration) string {
 	deadline := time.Now().Add(timeout).Unix()
 	return storage.MakePrivateURL(qbox.NewMac(q.cfg.AccessKey, q.cfg.SecretKey), q.cfg.Domain, key, deadline)
 }
@@ -143,7 +153,7 @@ type logHistoryItem struct {
 }
 
 // Artifacts lists all artifacts available for the given job source
-func (q *Client) GetArtifactDetails(key string) (*LogHistoryTemplate, error) {
+func (q *QnClient) GetArtifactDetails(key string) (*LogHistoryTemplate, error) {
 	tmpl := new(LogHistoryTemplate)
 	item := logHistoryItem{}
 	listStart := time.Now()
@@ -183,7 +193,7 @@ func timeConv(ptime int64) string {
 	return tm.Format("2006-01-02 03:04:05 PM")
 }
 
-func (q *Client) ListSubDirs(prefix string) ([]string, error) {
+func (q *QnClient) ListSubDirs(prefix string) ([]string, error) {
 	var dirs []string
 	var marker string
 

pkg/qiniu/mock.go

@@ -27,7 +27,7 @@ import (
 )
 
 // MockQiniuServer simulate qiniu cloud for testing
-func MockQiniuServer(config *Config) (client *Client, router *httprouter.Router, serverURL string, teardown func()) {
+func MockQiniuServer(config *Config) (client *QnClient, router *httprouter.Router, serverURL string, teardown func()) {
 	// router is the HTTP request multiplexer used with the test server.
 	router = httprouter.New()
 

pkg/qiniu/object.go

@@ -29,8 +29,14 @@ import (
 	"github.com/sirupsen/logrus"
 )
 
-// ObjectHandle provides operations on an object in a qiniu cloud bucket
+// ObjectHandle is the interface contains the operations on an object in a qiniu cloud bucket
-type ObjectHandle struct {
+type ObjectHandle interface {
+	NewReader(ctx context.Context) (io.ReadCloser, error)
+	NewRangeReader(ctx context.Context, offset, length int64) (io.ReadCloser, error)
+}
+
+// QnObjectHandle provides operations on an object in a qiniu cloud bucket
+type QnObjectHandle struct {
 	key    string
 	cfg    *Config
 	bm     *storage.BucketManager
@@ -38,22 +44,16 @@ type ObjectHandle struct {
 	client *client.Client
 }
 
-// Attrs get the object's metainfo
-func (o *ObjectHandle) Attrs(ctx context.Context) (storage.FileInfo, error) {
-	//TODO(CarlJi): need retry when errors
-	return o.bm.Stat(o.cfg.Bucket, o.key)
-}
-
 // NewReader creates a reader to read the contents of the object.
 // ErrObjectNotExist will be returned if the object is not found.
 // The caller must call Close on the returned Reader when done reading.
-func (o *ObjectHandle) NewReader(ctx context.Context) (io.ReadCloser, error) {
+func (o *QnObjectHandle) NewReader(ctx context.Context) (io.ReadCloser, error) {
 	return o.NewRangeReader(ctx, 0, -1)
 }
 
 // NewRangeReader reads parts of an object, reading at most length bytes starting
 // from the given offset. If length is negative, the object is read until the end.
-func (o *ObjectHandle) NewRangeReader(ctx context.Context, offset, length int64) (io.ReadCloser, error) {
+func (o *QnObjectHandle) NewRangeReader(ctx context.Context, offset, length int64) (io.ReadCloser, error) {
 	verb := "GET"
 	if length == 0 {
 		verb = "HEAD"

pkg/qiniu/object_test.go

@@ -41,7 +41,7 @@ func TestNewRangeReader(t *testing.T) {
 
 	MockPrivateDomainUrl(router, 0)
 
-	oh := &ObjectHandle{
+	oh := &QnObjectHandle{
 		key:    "key",
 		cfg:    cfg,
 		bm:     nil,
@@ -78,7 +78,7 @@ func TestNewRangeReaderWithTimeoutAndRecover(t *testing.T) {
 
 	MockPrivateDomainUrl(router, 2)
 
-	oh := &ObjectHandle{
+	oh := &QnObjectHandle{
 		key:    "key",
 		cfg:    cfg,
 		bm:     nil,
@@ -116,7 +116,7 @@ func TestNewRangeReaderWithTimeoutNoRecover(t *testing.T) {
 
 	MockPrivateDomainUrl(router, 12)
 
-	oh := &ObjectHandle{
+	oh := &QnObjectHandle{
 		key:    "key",
 		cfg:    cfg,
 		bm:     nil,

pkg/qiniu/qnPresubmit.go

@@ -70,7 +70,7 @@ func isBuildSucceeded(jsonText []byte) bool {
 
 // FindBaseProfileFromQiniu finds the coverage profile file from the latest healthy build
 // stored in given gcs directory
-func FindBaseProfileFromQiniu(qc *Client, prowJobName, covProfileName string) ([]byte, error) {
+func FindBaseProfileFromQiniu(qc Client, prowJobName, covProfileName string) ([]byte, error) {
 	dirOfJob := path.Join("logs", prowJobName)
 	prefix := dirOfJob + "/"
 	strBuilds, err := qc.ListSubDirs(prefix)
@@ -107,20 +107,27 @@ func FindBaseProfileFromQiniu(qc *Client, prowJobName, covProfileName string) ([
 	return qc.ReadObject(profilePath)
 }
 
-// Artifacts prepresents the rule to store test artifacts in prow
+// Artifacts is the interface of the rule to store test artifacts in prow
-type Artifacts struct {
+type Artifacts interface {
+	ProfilePath() string
+	CreateChangedProfile() *os.File
+	GetChangedProfileName() string
+}
+
+// ProfileArtifacts presents the rule to store test artifacts in prow
+type ProfileArtifacts struct {
 	Directory          string
 	ProfileName        string
 	ChangedProfileName string // create temporary to save changed file related coverage profile
 }
 
 // ProfilePath returns a full path for profile
-func (a *Artifacts) ProfilePath() string {
+func (a *ProfileArtifacts) ProfilePath() string {
 	return path.Join(a.Directory, a.ProfileName)
 }
 
 // CreateChangedProfile creates a profile in order to store the most related files based on Github Pull Request
-func (a *Artifacts) CreateChangedProfile() *os.File {
+func (a *ProfileArtifacts) CreateChangedProfile() *os.File {
 	if a.ChangedProfileName == "" {
 		log.Fatalf("param Artifacts.ChangedProfileName should not be empty")
 	}
@@ -132,3 +139,8 @@ func (a *Artifacts) CreateChangedProfile() *os.File {
 
 	return p
 }
+
+// GetChangedProfileName get ChangedProfileName of the ProfileArtifacts
+func (a *ProfileArtifacts) GetChangedProfileName() string {
+	return a.ChangedProfileName
+}

pkg/qiniu/qnPresubmit_test.go

@@ -17,6 +17,7 @@
 package qiniu
 
 import (
+	"os"
 	"testing"
 
 	"github.com/stretchr/testify/assert"
@@ -39,3 +40,31 @@ func TestFindBaseProfileFromQiniu(t *testing.T) {
 	assert.Equal(t, err, nil)
 	assert.Equal(t, string(getProfile), mockProfileContent)
 }
+
+func TestArtifacts_ProfilePath(t *testing.T) {
+	p := &ProfileArtifacts{
+		Directory:   "directory/",
+		ProfileName: "profile",
+	}
+	profilePath := p.ProfilePath()
+	assert.Equal(t, profilePath, "directory/profile")
+}
+
+func TestProfileArtifacts_CreateChangedProfile(t *testing.T) {
+	p := &ProfileArtifacts{
+		ChangedProfileName: "test.cov",
+	}
+	file := p.CreateChangedProfile()
+	file.Close()
+	defer os.Remove(p.ChangedProfileName)
+	_, err := os.Stat(p.ChangedProfileName)
+	assert.NoError(t, err)
+}
+
+func TestProfileArtifacts_GetChangedProfileName(t *testing.T) {
+	p := &ProfileArtifacts{
+		ChangedProfileName: "change.cov",
+	}
+	name := p.GetChangedProfileName()
+	assert.Equal(t, name, "change.cov")
+}