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SrvServiceDiscoveryTest.kt
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SrvServiceDiscoveryTest.kt
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package com.fsck.k9.autodiscovery.srvrecords
import com.fsck.k9.autodiscovery.api.DiscoveryResults
import com.fsck.k9.mail.ConnectionSecurity
import org.junit.Assert.assertEquals
import org.junit.Test
import org.mockito.kotlin.doReturn
import org.mockito.kotlin.mock
class SrvServiceDiscoveryTest {
@Test
fun discover_whenNoMailServices_shouldReturnNoResults() {
val srvResolver = newMockSrvResolver()
val srvServiceDiscovery = SrvServiceDiscovery(srvResolver)
val result = srvServiceDiscovery.discover("test@example.com")
assertEquals(DiscoveryResults(listOf(), listOf()), result)
}
@Test
fun discover_whenNoSMTP_shouldReturnJustIMAP() {
val srvResolver = newMockSrvResolver(
imapServices = listOf(newMailService(port = 143, srvType = SrvType.IMAP)),
imapsServices = listOf(
newMailService(port = 993, srvType = SrvType.IMAPS, security = ConnectionSecurity.SSL_TLS_REQUIRED),
),
)
val srvServiceDiscovery = SrvServiceDiscovery(srvResolver)
val result = srvServiceDiscovery.discover("test@example.com")
assertEquals(2, result!!.incoming.size)
assertEquals(0, result.outgoing.size)
}
@Test
fun discover_whenNoIMAP_shouldReturnJustSMTP() {
val srvResolver = newMockSrvResolver(
submissionServices = listOf(
newMailService(
port = 25,
srvType = SrvType.SUBMISSION,
security = ConnectionSecurity.STARTTLS_REQUIRED,
),
newMailService(
port = 465,
srvType = SrvType.SUBMISSIONS,
security = ConnectionSecurity.SSL_TLS_REQUIRED,
),
),
)
val srvServiceDiscovery = SrvServiceDiscovery(srvResolver)
val result = srvServiceDiscovery.discover("test@example.com")
assertEquals(0, result!!.incoming.size)
assertEquals(2, result.outgoing.size)
}
@Test
fun discover_withRequiredServices_shouldCorrectlyPrioritize() {
val srvResolver = newMockSrvResolver(
submissionServices = listOf(
newMailService(
host = "smtp1.example.com",
port = 25,
srvType = SrvType.SUBMISSION,
security = ConnectionSecurity.STARTTLS_REQUIRED,
priority = 0,
),
newMailService(
host = "smtp2.example.com",
port = 25,
srvType = SrvType.SUBMISSION,
security = ConnectionSecurity.STARTTLS_REQUIRED,
priority = 1,
),
),
submissionsServices = listOf(
newMailService(
host = "smtp3.example.com",
port = 465,
srvType = SrvType.SUBMISSIONS,
security = ConnectionSecurity.SSL_TLS_REQUIRED,
priority = 0,
),
newMailService(
host = "smtp4.example.com",
port = 465,
srvType = SrvType.SUBMISSIONS,
security = ConnectionSecurity.SSL_TLS_REQUIRED,
priority = 1,
),
),
imapServices = listOf(
newMailService(
host = "imap1.example.com",
port = 143,
srvType = SrvType.IMAP,
security = ConnectionSecurity.STARTTLS_REQUIRED,
priority = 0,
),
newMailService(
host = "imap2.example.com",
port = 143,
srvType = SrvType.IMAP,
security = ConnectionSecurity.STARTTLS_REQUIRED,
priority = 1,
),
),
imapsServices = listOf(
newMailService(
host = "imaps1.example.com",
port = 993,
srvType = SrvType.IMAPS,
security = ConnectionSecurity.SSL_TLS_REQUIRED,
priority = 0,
),
newMailService(
host = "imaps2.example.com",
port = 993,
srvType = SrvType.IMAPS,
security = ConnectionSecurity.SSL_TLS_REQUIRED,
priority = 1,
),
),
)
val srvServiceDiscovery = SrvServiceDiscovery(srvResolver)
val result = srvServiceDiscovery.discover("test@example.com")
assertEquals(
listOf(
"smtp3.example.com",
"smtp1.example.com",
"smtp4.example.com",
"smtp2.example.com",
),
result?.outgoing?.map { it.host },
)
assertEquals(
listOf(
"imaps1.example.com",
"imap1.example.com",
"imaps2.example.com",
"imap2.example.com",
),
result?.incoming?.map { it.host },
)
}
private fun newMailService(
host: String = "example.com",
priority: Int = 0,
security: ConnectionSecurity = ConnectionSecurity.STARTTLS_REQUIRED,
srvType: SrvType,
port: Int,
): MailService {
return MailService(srvType, host, port, priority, security)
}
private fun newMockSrvResolver(
host: String = "example.com",
submissionServices: List<MailService> = listOf(),
submissionsServices: List<MailService> = listOf(),
imapServices: List<MailService> = listOf(),
imapsServices: List<MailService> = listOf(),
): MiniDnsSrvResolver {
return mock {
on { lookup(host, SrvType.SUBMISSION) } doReturn submissionServices
on { lookup(host, SrvType.SUBMISSIONS) } doReturn submissionsServices
on { lookup(host, SrvType.IMAP) } doReturn imapServices
on { lookup(host, SrvType.IMAPS) } doReturn imapsServices
}
}
}