test: cover manager behavior without live Gitea

tests/test_scanner_state.py

@@ -0,0 +1,122 @@
+from __future__ import annotations
+
+from datetime import timedelta
+
+from agent_gitea.config import LabelsConfig
+from agent_gitea.models import TaskState, dt_to_db, utcnow
+from agent_gitea.scanner import is_issue_eligible, scan_eligible_issues
+from agent_gitea.state import validate_transition
+
+
+def test_issue_eligibility_filters_required_and_blocking_labels(db):
+    repo = db.upsert_repository(owner="acme", name="service", clone_url="x", default_branch="main", enabled=True)
+    issue = db.upsert_issue(
+        repo_id=repo.id,
+        issue_number=1,
+        title="Fix",
+        body="",
+        labels=["agent:ready"],
+        state="open",
+        html_url="url",
+    )
+    assert is_issue_eligible(issue, LabelsConfig())
+
+    blocked = db.upsert_issue(
+        repo_id=repo.id,
+        issue_number=2,
+        title="Risk",
+        body="",
+        labels=["agent:ready", "risk:high"],
+        state="open",
+        html_url="url",
+    )
+    assert not is_issue_eligible(blocked, LabelsConfig())
+
+
+def test_scan_creates_task_unless_active_task_exists(db):
+    repo = db.upsert_repository(owner="acme", name="service", clone_url="x", default_branch="main", enabled=True)
+    db.upsert_issue(
+        repo_id=repo.id,
+        issue_number=1,
+        title="Fix",
+        body="",
+        labels=["agent:ready"],
+        state="open",
+        html_url="url",
+    )
+
+    first = scan_eligible_issues(db, LabelsConfig())
+    second = scan_eligible_issues(db, LabelsConfig())
+
+    assert len(first) == 1
+    assert second == []
+
+
+def test_scan_ignores_repositories_not_allowed_by_current_config(db):
+    repo = db.upsert_repository(owner="acme", name="old", clone_url="x", default_branch="main", enabled=True)
+    db.upsert_issue(
+        repo_id=repo.id,
+        issue_number=1,
+        title="Fix",
+        body="",
+        labels=["agent:ready"],
+        state="open",
+        html_url="url",
+    )
+
+    created = scan_eligible_issues(db, LabelsConfig(), allowed_repositories={"acme/new"})
+
+    assert created == []
+
+
+def test_retry_after_terminal_task_allows_new_scan_task(db):
+    repo = db.upsert_repository(owner="acme", name="service", clone_url="x", default_branch="main", enabled=True)
+    db.upsert_issue(
+        repo_id=repo.id,
+        issue_number=1,
+        title="Fix",
+        body="",
+        labels=["agent:ready"],
+        state="open",
+        html_url="url",
+    )
+    [task_id] = scan_eligible_issues(db, LabelsConfig())
+    db.transition(task_id, TaskState.CLAIMED)
+    db.transition(task_id, TaskState.PLANNING)
+    db.transition(task_id, TaskState.IMPLEMENTING)
+    db.transition(task_id, TaskState.BLOCKED, clear_lease=True)
+
+    created = scan_eligible_issues(db, LabelsConfig())
+
+    assert len(created) == 1
+    assert created[0] != task_id
+
+
+def test_claim_next_task_claims_expired_lease(db):
+    repo = db.upsert_repository(owner="acme", name="service", clone_url="x", default_branch="main", enabled=True)
+    task = db.create_task(repo.id, 1)
+    claimed = db.claim_next_task("worker-a", 60)
+    assert claimed is not None
+    assert claimed.state == TaskState.CLAIMED
+
+    db.conn.execute(
+        "UPDATE tasks SET state = ?, lease_expires_at = ? WHERE id = ?",
+        (TaskState.IMPLEMENTING.value, dt_to_db(utcnow() - timedelta(seconds=10)), task.id),
+    )
+    db.conn.commit()
+
+    reclaimed = db.claim_next_task("worker-b", 60)
+    assert reclaimed is not None
+    assert reclaimed.id == task.id
+    assert reclaimed.lease_owner == "worker-b"
+
+
+def test_state_transition_validation():
+    validate_transition(TaskState.DISCOVERED, TaskState.CLAIMED)
+
+    try:
+        validate_transition(TaskState.DISCOVERED, TaskState.PR_OPENED)
+    except ValueError as exc:
+        assert "DISCOVERED -> PR_OPENED" in str(exc)
+    else:
+        raise AssertionError("expected invalid transition")