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smtp_test.go
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smtp_test.go
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package emailverifier
import (
"strings"
"testing"
"github.com/stretchr/testify/assert"
)
func TestCheckSMTPOK_HostExists(t *testing.T) {
domain := "github.com"
smtp, err := verifier.CheckSMTP(domain, "")
expected := SMTP{
HostExists: true,
FullInbox: false,
CatchAll: false,
Disabled: false,
}
assert.NoError(t, err)
assert.Equal(t, &expected, smtp)
}
func TestCheckSMTPOK_CatchAllHost(t *testing.T) {
domain := "yahoo.com"
smtp, err := verifier.CheckSMTP(domain, "")
expected := SMTP{
HostExists: true,
FullInbox: false,
CatchAll: true,
Disabled: false,
}
assert.NoError(t, err)
assert.Equal(t, &expected, smtp)
}
func TestCheckSMTPOK_UpdateFromEmail(t *testing.T) {
domain := "github.com"
verifier.FromEmail("[email protected]")
smtp, err := verifier.CheckSMTP(domain, "")
expected := SMTP{
HostExists: true,
FullInbox: false,
CatchAll: false,
Deliverable: false,
Disabled: false,
}
assert.NoError(t, err)
assert.Equal(t, &expected, smtp)
}
func TestCheckSMTPOK_UpdateHelloName(t *testing.T) {
domain := "github.com"
verifier.HelloName("email.top")
smtp, err := verifier.CheckSMTP(domain, "")
expected := SMTP{
HostExists: true,
FullInbox: false,
CatchAll: false,
Deliverable: false,
Disabled: false,
}
assert.NoError(t, err)
assert.Equal(t, &expected, smtp)
}
func TestCheckSMTPOK_WithNoExistUsername(t *testing.T) {
domain := "github.com"
username := "testing"
smtp, err := verifier.CheckSMTP(domain, username)
expected := SMTP{
HostExists: true,
FullInbox: false,
CatchAll: false,
Disabled: false,
}
assert.NoError(t, err)
assert.Equal(t, &expected, smtp)
}
func TestCheckSMTP_DisabledSMTPCheck(t *testing.T) {
domain := "github.com"
verifier.DisableSMTPCheck()
smtp, err := verifier.CheckSMTP(domain, "username")
verifier.EnableSMTPCheck()
assert.NoError(t, err)
assert.Nil(t, smtp)
}
func TestCheckSMTPOK_HostNotExists(t *testing.T) {
domain := "notExistHost.com"
smtp, err := verifier.CheckSMTP(domain, "")
assert.Error(t, err, ErrNoSuchHost)
assert.Equal(t, &SMTP{}, smtp)
}
func TestNewSMTPClientOK(t *testing.T) {
disposableDomain := "yahoo.com"
ret, err := newSMTPClient(disposableDomain)
assert.NotNil(t, ret)
assert.Nil(t, err)
}
func TestNewSMTPClientFailed(t *testing.T) {
disposableDomain := "zzzz1717.com"
ret, err := newSMTPClient(disposableDomain)
assert.Nil(t, ret)
assert.Error(t, err)
assert.True(t, strings.Contains(err.Error(), "no such host"))
}
func TestDialSMTPFailed_NoPortIsConfigured(t *testing.T) {
disposableDomain := "zzzz1717.com"
ret, err := dialSMTP(disposableDomain)
assert.Nil(t, ret)
assert.Error(t, err)
assert.True(t, strings.Contains(err.Error(), "missing port"))
}
func TestDialSMTPFailed_ConnRefused(t *testing.T) {
disposableDomain := "zzzz1717.com:25"
ret, err := dialSMTP(disposableDomain)
assert.Nil(t, ret)
assert.Error(t, err)
assert.True(t, strings.Contains(err.Error(), "connection refused"))
}
func TestDialSMTPFailed_NoSuchHost(t *testing.T) {
disposableDomain := "zzzzyyyyaaa123.com:25"
ret, err := dialSMTP(disposableDomain)
assert.Nil(t, ret)
assert.Error(t, err)
assert.True(t, strings.Contains(err.Error(), "no such host"))
}