113 lines
4.0 KiB
Python
113 lines
4.0 KiB
Python
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"""Unit-Tests Project-State-Store (PLAN.md §6.4 State Sync, §24.2, §18.1)."""
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from __future__ import annotations
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import pytest
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from hms_domain import PresetScene
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from hms_persistence.state_store import ProjectStateStore
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def test_revisions_start_at_zero() -> None:
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store = ProjectStateStore()
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assert store.state_revision == 0
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assert store.project_revision == 0
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assert store.snapshot()["values"] == {}
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def test_activate_project_resets_live_state() -> None:
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"""Kein Mischzustand: Projektwechsel leert den Livezustand (§24.2)."""
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from hms_domain import Project
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store = ProjectStateStore()
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store.set_value("master/intensity", 0.5)
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store.activate_project(Project(name="Show A"))
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assert store.project_revision == 1
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assert store.project is not None and store.project.name == "Show A"
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assert store.get_value("master/intensity") is None # Live geleert
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assert store.state_revision == 2 # set_value (1) + Projektwechsel (2)
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def test_set_and_clear_value_increase_state_revision() -> None:
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store = ProjectStateStore()
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r1 = store.set_value("master/intensity", 0.7)
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assert r1 == 1
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r2 = store.set_value("master/intensity", 0.9)
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assert r2 == 2
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r3 = store.clear_value("master/intensity")
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assert r3 == 3
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assert store.get_value("master/intensity") is None
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# Löschen eines nicht existierenden Pfades erhöht trotzdem deterministisch
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r4 = store.clear_value("master/intensity")
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assert r4 == 4
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def test_snapshot_contains_revisions_and_values() -> None:
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store = ProjectStateStore()
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store.set_value("master/intensity", 1.0)
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snap = store.snapshot()
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assert snap["state_revision"] == 1
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assert snap["project_revision"] == 0
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assert snap["values"] == {"master/intensity": 1.0}
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assert snap["monotonic_ns"] > 0
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def test_delta_since_reports_changes_and_deletions() -> None:
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"""Delta überträgt Änderungen; gelöschte Pfade als None (§6.4)."""
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store = ProjectStateStore()
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store.set_value("a", 1.0)
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seen = store.state_revision
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# nach „Disconnect": neue Änderungen
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store.set_value("a", 2.0)
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store.set_value("b", 3.0)
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store.clear_value("c") # c war nie gesetzt – bleibt neutral
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delta = store.delta_since(seen, pending={"a": 1.0, "c": 0.0})
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assert delta is not None
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assert delta.state_revision == store.state_revision
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assert delta.changes["a"] == 2.0 # geändert
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assert "b" in delta.changes and delta.changes["b"] == 3.0 # neu
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assert delta.changes.get("c") is None # gelöscht
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def test_delta_none_when_up_to_date() -> None:
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store = ProjectStateStore()
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store.set_value("a", 1.0)
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assert store.delta_since(store.state_revision, pending={}) is None
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def test_delta_rejects_future_revision() -> None:
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store = ProjectStateStore()
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with pytest.raises(ValueError, match="Zukunft"):
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store.delta_since(99, pending={})
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def test_apply_scene_overwrites_live_as_target_state() -> None:
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"""Szenenabruf erzeugt Zielzustand; Übergänge macht der Renderer (§18.1)."""
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store = ProjectStateStore()
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store.set_value("layer/x/opacity", 0.2)
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scene = PresetScene(
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name="Look",
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composition_snapshot={
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"values": {"layer/x/opacity": 0.8, "master/intensity": 1.0}
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},
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)
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rev = store.apply_scene(scene)
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assert rev == 2 # set + scene
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assert store.get_value("layer/x/opacity") == pytest.approx(0.8)
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assert store.get_value("master/intensity") == pytest.approx(1.0)
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def test_apply_scene_rejects_scene_without_values() -> None:
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scene = PresetScene(name="Kaputt", composition_snapshot={"values": "kein dict"})
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store = ProjectStateStore()
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with pytest.raises(ValueError, match="Werte"):
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store.apply_scene(scene)
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def test_bump_project_revision_independent_of_state() -> None:
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"""Projektinhalt (Medien/Szenen) und Livezustand getrennt (§24.2)."""
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store = ProjectStateStore()
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state_before = store.state_revision
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store.bump_project_revision()
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assert store.project_revision == 1
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assert store.state_revision == state_before # Live unverändert
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