Реализована интеграция с СМС провайдером

codebase/backend/sms-service/tests/unit/test_domain.py

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+import pytest
+
+from app.db import DeliveryStatus
+from app.domain import (
+    DomainError,
+    delivery_transition,
+    normalize_phone,
+    render_template,
+    request_fingerprint,
+    sms_parts,
+)
+
+
+def test_phone_is_canonical_and_masked() -> None:
+    e164, digits, masked = normalize_phone("+79001234567")
+    assert e164 == "+79001234567"
+    assert digits == "79001234567"
+    assert masked == "+7******4567"
+
+
+@pytest.mark.parametrize("phone", ["79001234567", "+012345678", "+7900", "+7999999999999999"])
+def test_invalid_phone_is_rejected(phone: str) -> None:
+    with pytest.raises(DomainError) as error:
+        normalize_phone(phone)
+    assert error.value.code == "sms_request_invalid"
+
+
+def test_strict_template_render() -> None:
+    result = render_template(
+        "Код входа: {code}. Действителен {ttl_min} мин.",
+        ["code", "ttl_min"],
+        {"code": "482193", "ttl_min": 1},
+        1,
+    )
+    assert result == "Код входа: 482193. Действителен 1 мин."
+
+
+@pytest.mark.parametrize(
+    "substitutions",
+    [
+        {"code": "482193"},
+        {"code": "482193", "ttl_min": 1, "extra": "forbidden"},
+    ],
+)
+def test_template_rejects_placeholder_mismatch(substitutions) -> None:
+    with pytest.raises(DomainError):
+        render_template(
+            "Код: {code}; TTL: {ttl_min}",
+            ["code", "ttl_min"],
+            substitutions,
+            1,
+        )
+
+
+def test_template_rejects_format_expressions() -> None:
+    with pytest.raises(DomainError):
+        render_template("{code!r}", ["code"], {"code": "123456"}, 1)
+
+
+def test_sms_parts_supports_gsm_and_unicode() -> None:
+    assert sms_parts("A" * 160) == 1
+    assert sms_parts("A" * 161) == 2
+    assert sms_parts("Я" * 70) == 1
+    assert sms_parts("Я" * 71) == 2
+
+
+def test_fingerprint_is_canonical() -> None:
+    first = request_fingerprint({"b": 2, "a": {"y": 2, "x": 1}})
+    second = request_fingerprint({"a": {"x": 1, "y": 2}, "b": 2})
+    assert first == second
+
+
+@pytest.mark.parametrize(
+    ("current", "incoming", "expected"),
+    [
+        (DeliveryStatus.UNKNOWN, "sent", DeliveryStatus.SENT),
+        (DeliveryStatus.SENT, "delivered", DeliveryStatus.DELIVERED),
+        (DeliveryStatus.DELIVERED, "sent", DeliveryStatus.DELIVERED),
+        (DeliveryStatus.UNDELIVERED, "sent", DeliveryStatus.UNDELIVERED),
+        (DeliveryStatus.DELIVERED, "unsent", DeliveryStatus.DELIVERED),
+        (DeliveryStatus.UNKNOWN, "bogus", None),
+    ],
+)
+def test_delivery_status_is_monotonic(current, incoming, expected) -> None:
+    assert delivery_transition(current, incoming) == expected