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package otr3
import (
"bytes"
"testing"
)
func Test_sendDHCommit_resetsAKEKeyContext(t *testing.T) {
c := newConversation(otrV3{}, fixtureRand())
_, err := c.sendDHCommit()
assertNil(t, err)
assertDeepEquals(t, c.ake.keys, keyManagementContext{})
}
func Test_Send_signalsMessageEventIfTryingToSendWithoutEncryptedChannel(t *testing.T) {
m := []byte("hello")
c := bobContextAfterAKE()
c.msgState = plainText
c.Policies = policies(allowV3 | requireEncryption)
c.expectMessageEvent(t, func() {
c.Send(m)
}, MessageEventEncryptionRequired, nil, nil)
}
func Test_Send_signalsMessageEventIfTryingToSendOnAFinishedChannel(t *testing.T) {
m := []byte("hello")
c := bobContextAfterAKE()
c.msgState = finished
c.Policies = policies(allowV3 | requireEncryption)
c.expectMessageEvent(t, func() {
c.Send(m)
}, MessageEventConnectionEnded, nil, nil)
}
func Test_Send_signalsEncryptionErrorMessageEventIfSomethingWentWrong(t *testing.T) {
msg := []byte("hello")
c := bobContextAfterAKE()
c.msgState = encrypted
c.Policies = policies(allowV3)
c.keys.theirKeyID = 0
c.expectMessageEvent(t, func() {
c.Send(msg)
}, MessageEventEncryptionError, nil, nil)
}
func Test_Send_callsErrorMessageHandlerAndReturnsTheResultAsAnOTRErrorMessage(t *testing.T) {
msg := []byte("hello")
c := bobContextAfterAKE()
c.msgState = encrypted
c.Policies = policies(allowV3)
c.keys.theirKeyID = 0
c.errorMessageHandler = dynamicErrorMessageHandler{
func(error ErrorCode) []byte {
if error == ErrorCodeEncryptionError {
return []byte("snowflake happened")
}
return []byte("nova happened")
}}
msgs, _ := c.Send(msg)
assertDeepEquals(t, msgs[0], ValidMessage("?OTR Error: snowflake happened"))
}
func Test_Send_saveLastMessageWhenMsgIsPlainTextAndEncryptedIsExpected(t *testing.T) {
m := []byte("hello")
c := bobContextAfterAKE()
c.msgState = plainText
c.Policies = policies(allowV3 | requireEncryption)
c.Send(m)
assertDeepEquals(t, c.resend.pending(),
[]messageToResend{
messageToResend{MessagePlaintext(m), nil},
})
}
func Test_Send_saveLastMessageWhenMsgIsPlainTextAndEncryptedIsExpected_AndAddsAnOpaqueValueForEachMessage(t *testing.T) {
m := []byte("hello")
m2 := []byte("hello again?")
c := bobContextAfterAKE()
c.msgState = plainText
c.Policies = policies(allowV3 | requireEncryption)
c.Send(m, 42, "hello")
c.Send(m2, 15, "something")
assertDeepEquals(t, c.resend.pending(),
[]messageToResend{
messageToResend{MessagePlaintext(m), []interface{}{42, "hello"}},
messageToResend{MessagePlaintext(m2), []interface{}{15, "something"}},
})
}
func Test_Send_setsMayRetransmitFlagToExpectExactResending(t *testing.T) {
m := []byte("hello")
c := bobContextAfterAKE()
c.msgState = plainText
c.Policies = policies(allowV3 | requireEncryption)
c.Send(m)
assertEquals(t, c.resend.mayRetransmit, retransmitExact)
}
func captureStderr(f func()) string {
originalStdErr := standardErrorOutput
bt := bytes.NewBuffer(make([]byte, 0, 200))
standardErrorOutput = bt
f()
defer func() {
standardErrorOutput = originalStdErr
}()
return bt.String()
}
func Test_Send_printsDebugStatementToStderrIfGivenMagicString(t *testing.T) {
m := []byte("hel?OTR!lo")
c := bobContextAfterAKE()
c.theirKey = alicePrivateKey.PublicKey()
c.debug = true
var ret []ValidMessage
ss := captureStderr(func() {
ret, _ = c.Send(m)
})
assertNil(t, ret)
assertDeepEquals(t, ss, `Context:
Our instance: 00000101
Their instance: 00000101
Msgstate: 0 (PLAINTEXT)
Protocol version: 3
OTR offer: NOT
Auth info:
State: 0 (NONE)
Our keyid: 2
Their keyid: 1
Their fingerprint: 0BB01C360424522E94EE9C346CE877A1A4288B2F
Proto version = 3
SM state:
Next expected: 0 (EXPECT1)
Received_Q: 0
`)
}
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