"""Tests Trainer-Pfad-Schutz (preserve_slot_assignments)."""
from planning_exercise_path_builder import (
    EvaluateStepPayload,
    ProgressionPathSuggestRequest,
    _assignment_preservation_active,
)


def test_assignment_preservation_explicit_flag():
    body = ProgressionPathSuggestRequest(
        query="Kumite Beinarbeit Progression",
        preserve_slot_assignments=True,
    )
    assert _assignment_preservation_active(body)


def test_assignment_preservation_not_auto_from_slot_assignments():
    """Nur explizites preserve_slot_assignments — sonst wäre compare/match blockiert."""
    body = ProgressionPathSuggestRequest(
        query="Kumite Beinarbeit Progression",
        slot_assignments=[
            EvaluateStepPayload(exercise_id=10, roadmap_major_step_index=0),
            EvaluateStepPayload(exercise_id=11, roadmap_major_step_index=1),
        ],
    )
    assert not _assignment_preservation_active(body)


def test_assignment_preservation_inactive_without_assignments():
    body = ProgressionPathSuggestRequest(query="Kumite Beinarbeit Progression")
    assert not _assignment_preservation_active(body)