fix(config): refuser les fenêtres de synchronisation négatives

Contraint SYNC_PAST_DAYS et SYNC_FUTURE_DAYS à ge=0 et documente l'effet réel de 0 jour (le jour courant reste inclus).

Refs #14

tests/unit/test_config.py

@@ -10,10 +10,10 @@ from __future__ import annotations
 from typing import TYPE_CHECKING
 
 import pytest
-from pydantic import SecretStr
+from pydantic import SecretStr, ValidationError
 
 from pronote_sync.config.env import load_settings
-from pronote_sync.config.settings import PronoteSettings, Settings
+from pronote_sync.config.settings import AppSettings, PronoteSettings, Settings
 
 if TYPE_CHECKING:
     from _pytest.monkeypatch import MonkeyPatch
@@ -207,4 +207,121 @@ def test_qr_pin_in_redaction_secrets(monkeypatch: MonkeyPatch) -> None:
     assert "**********" in repr(settings.pronote.qr_pin)
 
 
-# Ensure trailing newline
+def test_sync_past_days_negative_direct_instantiation() -> None:
+    """Vérifie que ``sync_past_days`` négatif lève ``ValidationError`` à l'instanciation.
+
+    :return: None
+    """
+    with pytest.raises(ValidationError):
+        AppSettings(sync_past_days=-1)
+
+
+def test_sync_future_days_negative_direct_instantiation() -> None:
+    """Vérifie que ``sync_future_days`` négatif lève ``ValidationError`` à l'instanciation.
+
+    :return: None
+    """
+    with pytest.raises(ValidationError):
+        AppSettings(sync_future_days=-1)
+
+
+def test_sync_past_days_zero_accepted() -> None:
+    """Vérifie que ``sync_past_days=0`` est accepté.
+
+    :return: None
+    """
+    settings = AppSettings(sync_past_days=0)
+    assert settings.sync_past_days == 0
+
+
+def test_sync_future_days_zero_accepted() -> None:
+    """Vérifie que ``sync_future_days=0`` est accepté.
+
+    :return: None
+    """
+    settings = AppSettings(sync_future_days=0)
+    assert settings.sync_future_days == 0
+
+
+def test_sync_past_days_positive_accepted() -> None:
+    """Vérifie que ``sync_past_days`` positif est accepté.
+
+    :return: None
+    """
+    settings = AppSettings(sync_past_days=7)
+    assert settings.sync_past_days == 7
+
+
+def test_sync_future_days_positive_accepted() -> None:
+    """Vérifie que ``sync_future_days`` positif est accepté.
+
+    :return: None
+    """
+    settings = AppSettings(sync_future_days=30)
+    assert settings.sync_future_days == 30
+
+
+def test_sync_past_days_negative_env_loading(monkeypatch: MonkeyPatch) -> None:
+    """Vérifie que ``SYNC_PAST_DAYS=-1`` lève ``ValidationError`` via chargement env.
+
+    :param monkeypatch: Fixture pytest pour modifier temporairement l'environnement.
+    :return: None
+    """
+    monkeypatch.setenv("SYNC_PAST_DAYS", "-1")
+    with pytest.raises(ValidationError):
+        load_settings()
+
+
+def test_sync_future_days_negative_env_loading(monkeypatch: MonkeyPatch) -> None:
+    """Vérifie que ``SYNC_FUTURE_DAYS=-1`` lève ``ValidationError`` via chargement env.
+
+    :param monkeypatch: Fixture pytest pour modifier temporairement l'environnement.
+    :return: None
+    """
+    monkeypatch.setenv("SYNC_FUTURE_DAYS", "-1")
+    with pytest.raises(ValidationError):
+        load_settings()
+
+
+def test_sync_past_days_zero_env_loading(monkeypatch: MonkeyPatch) -> None:
+    """Vérifie que ``SYNC_PAST_DAYS=0`` est accepté via chargement env.
+
+    :param monkeypatch: Fixture pytest pour modifier temporairement l'environnement.
+    :return: None
+    """
+    monkeypatch.setenv("SYNC_PAST_DAYS", "0")
+    settings = load_settings()
+    assert settings.app.sync_past_days == 0
+
+
+def test_sync_future_days_zero_env_loading(monkeypatch: MonkeyPatch) -> None:
+    """Vérifie que ``SYNC_FUTURE_DAYS=0`` est accepté via chargement env.
+
+    :param monkeypatch: Fixture pytest pour modifier temporairement l'environnement.
+    :return: None
+    """
+    monkeypatch.setenv("SYNC_FUTURE_DAYS", "0")
+    settings = load_settings()
+    assert settings.app.sync_future_days == 0
+
+
+def test_sync_past_days_positive_env_loading(monkeypatch: MonkeyPatch) -> None:
+    """Vérifie que ``SYNC_PAST_DAYS`` positif est accepté via chargement env.
+
+    :param monkeypatch: Fixture pytest pour modifier temporairement l'environnement.
+    :return: None
+    """
+    monkeypatch.setenv("SYNC_PAST_DAYS", "7")
+    settings = load_settings()
+    assert settings.app.sync_past_days == 7
+
+
+def test_sync_future_days_positive_env_loading(monkeypatch: MonkeyPatch) -> None:
+    """Vérifie que ``SYNC_FUTURE_DAYS`` positif est accepté via chargement env.
+
+    :param monkeypatch: Fixture pytest pour modifier temporairement l'environnement.
+    :return: None
+    """
+    monkeypatch.setenv("SYNC_FUTURE_DAYS", "30")
+    settings = load_settings()
+    assert settings.app.sync_future_days == 30