Release govoplan-campaign v0.1.28: stabilize saving, review and delivery recovery

tests/test_imap_batch_integration.py

@@ -0,0 +1,52 @@
+from contextlib import contextmanager
+from types import SimpleNamespace
+
+import pytest
+
+from govoplan_campaign.backend.integrations import ImapAppendError, MailCampaignIntegration
+
+
+def test_older_mail_capability_keeps_single_message_compatibility():
+    integration = MailCampaignIntegration(SimpleNamespace())
+    with integration.campaign_imap_batch(tenant_id="tenant", campaign_id="campaign") as state:
+        assert state is None
+
+
+def test_optional_batch_forwards_scope_and_cleans_up_when_caller_fails():
+    calls = []
+    state = SimpleNamespace(connection_count=0, reconnect_count=0)
+
+    @contextmanager
+    def batch(**kwargs):
+        calls.append(kwargs)
+        try:
+            yield state
+        finally:
+            calls.append("closed")
+
+    integration = MailCampaignIntegration(SimpleNamespace(campaign_imap_batch=batch))
+    with pytest.raises(ValueError, match="caller"):
+        with integration.campaign_imap_batch(tenant_id="tenant", campaign_id="campaign") as actual:
+            assert actual is state
+            raise ValueError("caller failure")
+    assert calls == [{"tenant_id": "tenant", "campaign_id": "campaign"}, "closed"]
+
+
+def test_optional_batch_translates_unknown_outcome_without_losing_flags():
+    class ProviderAppendError(RuntimeError):
+        temporary = False
+        outcome_unknown = True
+
+    @contextmanager
+    def batch(**kwargs):
+        raise ProviderAppendError("inspect mailbox")
+        yield None
+
+    integration = MailCampaignIntegration(SimpleNamespace(
+        campaign_imap_batch=batch, ImapAppendError=ProviderAppendError,
+    ))
+    with pytest.raises(ImapAppendError) as caught:
+        with integration.campaign_imap_batch(tenant_id="tenant", campaign_id="campaign"):
+            pass
+    assert caught.value.outcome_unknown
+    assert caught.value.temporary is False