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