Files

127 lines
4.6 KiB
Python

from datetime import timedelta
from unittest.mock import patch
import pytest
from django.contrib.auth.hashers import make_password
from django.test import override_settings
from django.utils import timezone
from apps.accounts.models import OtpChannel, OtpPurpose, PhoneOTP
from apps.accounts.services.otp import OtpCooldownError, OtpRateLimitError, create_and_send_otp, verify_otp
@pytest.mark.django_db
@override_settings(OTP_PROVIDER="console", OTP_MAX_PER_WINDOW=1, OTP_WINDOW_MINUTES=15, OTP_RESEND_COOLDOWN_SECONDS=0)
def test_otp_rate_limit():
create_and_send_otp("+966512345678", OtpChannel.SMS)
with pytest.raises(OtpRateLimitError):
create_and_send_otp("+966512345678", OtpChannel.SMS)
@pytest.mark.django_db
@override_settings(
OTP_PROVIDER="console",
OTP_MAX_PER_WINDOW=5,
OTP_WINDOW_MINUTES=15,
OTP_RESEND_COOLDOWN_SECONDS=60,
)
def test_otp_cooldown_enforced():
create_and_send_otp("+966512345678", OtpChannel.SMS)
with pytest.raises(OtpCooldownError):
create_and_send_otp("+966512345678", OtpChannel.SMS)
@pytest.mark.django_db
def test_otp_max_attempts_blocks_verification():
otp = PhoneOTP.objects.create(
phone_number="+966512345678",
channel=OtpChannel.SMS,
purpose=OtpPurpose.AUTH,
provider="console",
code_hash=make_password("123456"),
expires_at=PhoneOTP.expiry_at(),
)
# Burn attempts with wrong code until the limit is exceeded.
for _ in range(otp.max_attempts):
assert verify_otp(otp, "000000") is False
otp.refresh_from_db()
assert otp.attempt_count == otp.max_attempts
assert verify_otp(otp, "123456") is False
otp.refresh_from_db()
assert otp.attempt_count == otp.max_attempts + 1
assert otp.verified_at is None
@pytest.mark.django_db
@override_settings(OTP_PROVIDER="console", OTP_RESEND_COOLDOWN_SECONDS=60)
def test_otp_cooldown_retry_after_seconds():
fixed_now = timezone.now()
with patch("apps.accounts.services.otp.timezone.now", return_value=fixed_now):
result = create_and_send_otp("+966512345678", OtpChannel.SMS)
# Align created_at with fixed time for deterministic cooldown.
PhoneOTP.objects.filter(id=result.request_id).update(created_at=fixed_now)
with pytest.raises(OtpCooldownError) as excinfo:
create_and_send_otp("+966512345678", OtpChannel.SMS)
assert excinfo.value.retry_after_seconds == 60
@pytest.mark.django_db
@override_settings(OTP_PROVIDER="console", OTP_MAX_PER_WINDOW=1, OTP_WINDOW_MINUTES=15, OTP_RESEND_COOLDOWN_SECONDS=0)
def test_otp_rate_limit_retry_after_seconds():
fixed_now = timezone.now()
with patch("apps.accounts.services.otp.timezone.now", return_value=fixed_now):
result = create_and_send_otp("+966512345678", OtpChannel.SMS)
# Make the oldest OTP sit 10s before window expiry.
window_start = fixed_now - timedelta(minutes=15)
PhoneOTP.objects.filter(id=result.request_id).update(created_at=window_start + timedelta(seconds=10))
with pytest.raises(OtpRateLimitError) as excinfo:
create_and_send_otp("+966512345678", OtpChannel.SMS)
assert excinfo.value.retry_after_seconds == 10
@pytest.mark.django_db
@override_settings(OTP_PROVIDER="console", OTP_RESEND_COOLDOWN_SECONDS=1)
def test_otp_resend_after_cooldown_ok():
result = create_and_send_otp("+966512345678", OtpChannel.SMS)
# Force cooldown to be elapsed.
PhoneOTP.objects.filter(id=result.request_id).update(
created_at=timezone.now() - timedelta(seconds=5)
)
create_and_send_otp("+966512345678", OtpChannel.SMS)
assert PhoneOTP.objects.filter(phone_number="+966512345678").count() == 2
@pytest.mark.django_db
def test_verify_otp_rejects_expired():
otp = PhoneOTP.objects.create(
phone_number="+966512345678",
channel=OtpChannel.SMS,
purpose=OtpPurpose.AUTH,
provider="console",
code_hash=make_password("123456"),
expires_at=timezone.now() - timedelta(minutes=1),
)
assert verify_otp(otp, "123456") is False
otp.refresh_from_db()
assert otp.attempt_count == 0
assert otp.verified_at is None
@pytest.mark.django_db
def test_verify_otp_rejects_reuse_after_verified():
otp = PhoneOTP.objects.create(
phone_number="+966512345678",
channel=OtpChannel.SMS,
purpose=OtpPurpose.AUTH,
provider="console",
code_hash=make_password("123456"),
expires_at=PhoneOTP.expiry_at(),
)
assert verify_otp(otp, "123456") is True
otp.refresh_from_db()
assert otp.attempt_count == 1
assert verify_otp(otp, "123456") is False
otp.refresh_from_db()
assert otp.attempt_count == 1