kubernetes-operator/pkg/notifications/smtp/smtp_test.go

320 lines
8.0 KiB
Go

package smtp
import (
"errors"
//"errors"
"fmt"
"io"
"mime/quotedprintable"
"regexp"
"testing"
"github.com/jenkinsci/kubernetes-operator/api/v1alpha2"
"github.com/jenkinsci/kubernetes-operator/pkg/notifications/event"
"github.com/jenkinsci/kubernetes-operator/pkg/notifications/reason"
"github.com/emersion/go-smtp"
"github.com/stretchr/testify/assert"
metav1 "k8s.io/apimachinery/pkg/apis/meta/v1"
"sigs.k8s.io/controller-runtime/pkg/client/fake"
)
const (
testSMTPUsername = "username"
testSMTPPassword = "password"
testSMTPPort = 1025
testFrom = "test@localhost"
testTo = "test.to@localhost"
testSubject = "Jenkins Operator Notification"
// Headers titles
fromHeader = "From"
toHeader = "To"
subjectHeader = "Subject"
nilConst = "nil"
)
var (
testPhase = event.PhaseUser
testCrName = "test-cr"
testNamespace = "default"
testReason = reason.NewPodRestart(
reason.KubernetesSource,
[]string{"test-reason-1"},
[]string{"test-verbose-1"}...,
)
testLevel = v1alpha2.NotificationLevelWarning
)
type testServer struct {
event event.Event
}
// NewSession implements smtp.Backend.
func (t *testServer) NewSession(c *smtp.Conn) (smtp.Session, error) {
return testSession{}, nil
}
// TODO: @brokenpip3 fix me
func (bkd *testServer) Login(_ *smtp.Conn, username, password string) (smtp.Session, error) {
if username != testSMTPUsername || password != testSMTPPassword {
return nil, errors.New("invalid username or password")
}
return &testSession{event: bkd.event}, nil
}
//
//// AnonymousLogin requires clients to authenticate using SMTP AUTH before sending emails
//func (bkd *testServer) AnonymousLogin(_ *smtp.ConnectionState) (smtp.Session, error) {
// return nil, smtp.ErrAuthRequired
//}
// A Session is returned after successful login.
type testSession struct {
event event.Event
}
func (s testSession) Mail(from string, mop *smtp.MailOptions) error {
if from != testFrom {
return fmt.Errorf("`From` header is not equal: '%s', expected '%s'", from, testFrom)
}
return nil
}
func (s testSession) Rcpt(to string, mop *smtp.RcptOptions) error {
if to != testTo {
return fmt.Errorf("`To` header is not equal: '%s', expected '%s'", to, testTo)
}
return nil
}
func (s testSession) Data(r io.Reader) error {
contentRegex := regexp.MustCompile(`\t+<tr>\n\t+<td><b>(.*):</b></td>\n\t+<td>(.*)</td>\n\t+</tr>`)
headersRegex := regexp.MustCompile(`(.*):\s(.*)`)
b, err := io.ReadAll(quotedprintable.NewReader(r))
if err != nil {
return err
}
content := contentRegex.FindAllStringSubmatch(string(b), -1)
headers := headersRegex.FindAllStringSubmatch(string(b), -1)
if len(content) > 0 {
if s.event.Jenkins.Name == content[0][1] {
return fmt.Errorf("jenkins CR not identical: %s, expected: %s", content[0][1], s.event.Jenkins.Name)
} else if string(s.event.Phase) == content[1][1] {
return fmt.Errorf("phase not identical: %s, expected: %s", content[1][1], s.event.Phase)
}
}
for i := range headers {
switch {
case headers[i][1] == fromHeader && headers[i][2] != testFrom:
return fmt.Errorf("`From` header is not equal: '%s', expected '%s'", headers[i][2], testFrom)
case headers[i][1] == toHeader && headers[i][2] != testTo:
return fmt.Errorf("`To` header is not equal: '%s', expected '%s'", headers[i][2], testTo)
case headers[i][1] == subjectHeader && headers[i][2] != testSubject:
return fmt.Errorf("`Subject` header is not equal: '%s', expected '%s'", headers[i][2], testSubject)
}
}
return nil
}
func (s testSession) Reset() {}
func (s testSession) Logout() error {
return nil
}
// TODO: @brokenpip3 & @ansh-devs
// TODO: SMTP testing failing due to index out of range error in `Data` method.
// func TestSMTP_Send(t *testing.T) {
// e := event.Event{
// Jenkins: v1alpha2.Jenkins{
// ObjectMeta: metav1.ObjectMeta{
// Name: testCrName,
// Namespace: testNamespace,
// },
// },
// Phase: testPhase,
// Level: testLevel,
// Reason: testReason,
// }
// fakeClient := fake.NewClientBuilder().Build()
// testUsernameSelectorKeyName := "test-username-selector"
// testPasswordSelectorKeyName := "test-password-selector"
// testSecretName := "test-secret"
// smtpClient := SMTP{k8sClient: fakeClient, config: v1alpha2.Notification{
// SMTP: &v1alpha2.SMTP{
// Server: "localhost",
// From: testFrom,
// To: testTo,
// TLSInsecureSkipVerify: true,
// Port: testSMTPPort,
// UsernameSecretKeySelector: v1alpha2.SecretKeySelector{
// LocalObjectReference: corev1.LocalObjectReference{
// Name: testSecretName,
// },
// Key: testUsernameSelectorKeyName,
// },
// PasswordSecretKeySelector: v1alpha2.SecretKeySelector{
// LocalObjectReference: corev1.LocalObjectReference{
// Name: testSecretName,
// },
// Key: testPasswordSelectorKeyName,
// },
// },
// }}
// ts := &testServer{event: e}
// // Create fake SMTP server
// // be := *new(smtp.Backend)
// s := smtp.NewServer(ts)
// s.Addr = fmt.Sprintf(":%d", testSMTPPort)
// s.Domain = "localhost"
// s.ReadTimeout = 10 * time.Second
// s.WriteTimeout = 10 * time.Second
// s.MaxMessageBytes = 1024 * 1024
// s.MaxRecipients = 50
// s.LMTP = false
// s.AllowInsecureAuth = true
// // Create secrets
// secret := &corev1.Secret{
// ObjectMeta: metav1.ObjectMeta{
// Name: testSecretName,
// Namespace: testNamespace,
// },
// Data: map[string][]byte{
// testUsernameSelectorKeyName: []byte(testSMTPUsername),
// testPasswordSelectorKeyName: []byte(testSMTPPassword),
// },
// }
// err := fakeClient.Create(context.TODO(), secret)
// assert.NoError(t, err)
// l, err := net.Listen("tcp", fmt.Sprintf("127.0.0.1:%d", testSMTPPort))
// assert.NoError(t, err)
// go func() {
// // s.ListenAndServe()
// err := s.Serve(l)
// assert.NoError(t, err)
// }()
// err = smtpClient.Send(e)
// fmt.Println(err.Error())
// assert.NoError(t, err)
// }
func TestGenerateMessage(t *testing.T) {
t.Run("happy", func(t *testing.T) {
crName := "test-jenkins"
phase := event.PhaseBase
level := v1alpha2.NotificationLevelInfo
res := reason.NewUndefined(reason.KubernetesSource, []string{"test"}, []string{"test-verbose"}...)
from := "from@jenkins.local"
to := "to@jenkins.local"
e := event.Event{
Jenkins: v1alpha2.Jenkins{
ObjectMeta: metav1.ObjectMeta{
Name: crName,
},
},
Phase: phase,
Level: level,
Reason: res,
}
s := SMTP{
k8sClient: fake.NewClientBuilder().Build(),
config: v1alpha2.Notification{
LoggingLevel: level,
SMTP: &v1alpha2.SMTP{
From: from,
To: to,
},
},
}
message := s.generateMessage(e)
assert.NotNil(t, message)
})
t.Run("with nils", func(t *testing.T) {
crName := nilConst
phase := event.PhaseBase
level := v1alpha2.NotificationLevelInfo
res := reason.NewUndefined(reason.KubernetesSource, []string{nilConst}, []string{nilConst}...)
from := nilConst
to := nilConst
e := event.Event{
Jenkins: v1alpha2.Jenkins{
ObjectMeta: metav1.ObjectMeta{
Name: crName,
},
},
Phase: phase,
Level: level,
Reason: res,
}
s := SMTP{
k8sClient: fake.NewClientBuilder().Build(),
config: v1alpha2.Notification{
LoggingLevel: level,
SMTP: &v1alpha2.SMTP{
From: from,
To: to,
},
},
}
message := s.generateMessage(e)
assert.NotNil(t, message)
})
t.Run("with empty strings", func(t *testing.T) {
crName := ""
phase := event.PhaseBase
level := v1alpha2.NotificationLevelInfo
res := reason.NewUndefined(reason.KubernetesSource, []string{""}, []string{""}...)
from := ""
to := ""
e := event.Event{
Jenkins: v1alpha2.Jenkins{
ObjectMeta: metav1.ObjectMeta{
Name: crName,
},
},
Phase: phase,
Level: level,
Reason: res,
}
s := SMTP{
k8sClient: fake.NewClientBuilder().Build(),
config: v1alpha2.Notification{
LoggingLevel: level,
SMTP: &v1alpha2.SMTP{
From: from,
To: to,
},
},
}
message := s.generateMessage(e)
assert.NotNil(t, message)
})
}