forked from genewildish/Mainline
David Gwilliam
9e4d54a82e
- Add EffectPlugin ABC with @abstractmethod decorators for interface enforcement - Add runtime interface checking in discover_plugins() with issubclass() - Add EffectContext factory with sensible defaults - Standardize Display __init__ (remove redundant init in TerminalDisplay) - Document effect behavior when ticker_height=0 - Evaluate legacy effects: document coexistence, no deprecation needed - Research plugin patterns (VST, Python entry points) - Fix pysixel dependency (removed broken dependency) Test coverage improvements: - Add DisplayRegistry tests - Add MultiDisplay tests - Add SixelDisplay tests - Add controller._get_display tests - Add effects controller command handling tests - Add benchmark regression tests (@pytest.mark.benchmark) - Add pytest marker for benchmark tests in pyproject.toml Documentation updates: - Update AGENTS.md with 56% coverage stats and effect plugin docs - Update README.md with Sixel display mode and benchmark commands - Add new modules to architecture section
202 lines
6.6 KiB
Python
202 lines
6.6 KiB
Python
"""
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Tests for engine.display module.
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"""
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from unittest.mock import MagicMock
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from engine.display import DisplayRegistry, NullDisplay, TerminalDisplay
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from engine.display.backends.multi import MultiDisplay
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class TestDisplayProtocol:
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"""Test that display backends satisfy the Display protocol."""
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def test_terminal_display_is_display(self):
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"""TerminalDisplay satisfies Display protocol."""
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display = TerminalDisplay()
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assert hasattr(display, "init")
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assert hasattr(display, "show")
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assert hasattr(display, "clear")
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assert hasattr(display, "cleanup")
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def test_null_display_is_display(self):
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"""NullDisplay satisfies Display protocol."""
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display = NullDisplay()
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assert hasattr(display, "init")
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assert hasattr(display, "show")
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assert hasattr(display, "clear")
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assert hasattr(display, "cleanup")
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class TestDisplayRegistry:
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"""Tests for DisplayRegistry class."""
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def setup_method(self):
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"""Reset registry before each test."""
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DisplayRegistry._backends = {}
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DisplayRegistry._initialized = False
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def test_register_adds_backend(self):
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"""register adds a backend to the registry."""
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DisplayRegistry.register("test", TerminalDisplay)
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assert DisplayRegistry.get("test") == TerminalDisplay
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def test_register_case_insensitive(self):
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"""register is case insensitive."""
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DisplayRegistry.register("TEST", TerminalDisplay)
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assert DisplayRegistry.get("test") == TerminalDisplay
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def test_get_returns_none_for_unknown(self):
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"""get returns None for unknown backend."""
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assert DisplayRegistry.get("unknown") is None
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def test_list_backends_returns_all(self):
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"""list_backends returns all registered backends."""
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DisplayRegistry.register("a", TerminalDisplay)
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DisplayRegistry.register("b", NullDisplay)
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backends = DisplayRegistry.list_backends()
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assert "a" in backends
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assert "b" in backends
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def test_create_returns_instance(self):
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"""create returns a display instance."""
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DisplayRegistry.register("test", NullDisplay)
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display = DisplayRegistry.create("test")
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assert isinstance(display, NullDisplay)
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def test_create_returns_none_for_unknown(self):
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"""create returns None for unknown backend."""
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display = DisplayRegistry.create("unknown")
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assert display is None
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def test_initialize_registers_defaults(self):
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"""initialize registers default backends."""
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DisplayRegistry.initialize()
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assert DisplayRegistry.get("terminal") == TerminalDisplay
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assert DisplayRegistry.get("null") == NullDisplay
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from engine.display.backends.sixel import SixelDisplay
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from engine.display.backends.websocket import WebSocketDisplay
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assert DisplayRegistry.get("websocket") == WebSocketDisplay
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assert DisplayRegistry.get("sixel") == SixelDisplay
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def test_initialize_idempotent(self):
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"""initialize can be called multiple times safely."""
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DisplayRegistry.initialize()
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DisplayRegistry._backends["custom"] = TerminalDisplay
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DisplayRegistry.initialize()
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assert "custom" in DisplayRegistry.list_backends()
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class TestTerminalDisplay:
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"""Tests for TerminalDisplay class."""
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def test_init_sets_dimensions(self):
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"""init stores terminal dimensions."""
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display = TerminalDisplay()
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display.init(80, 24)
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assert display.width == 80
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assert display.height == 24
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def test_show_returns_none(self):
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"""show returns None after writing to stdout."""
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display = TerminalDisplay()
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display.width = 80
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display.height = 24
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display.show(["line1", "line2"])
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def test_clear_does_not_error(self):
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"""clear works without error."""
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display = TerminalDisplay()
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display.clear()
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def test_cleanup_does_not_error(self):
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"""cleanup works without error."""
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display = TerminalDisplay()
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display.cleanup()
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class TestNullDisplay:
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"""Tests for NullDisplay class."""
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def test_init_stores_dimensions(self):
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"""init stores dimensions."""
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display = NullDisplay()
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display.init(100, 50)
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assert display.width == 100
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assert display.height == 50
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def test_show_does_nothing(self):
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"""show discards buffer without error."""
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display = NullDisplay()
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display.show(["line1", "line2", "line3"])
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def test_clear_does_nothing(self):
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"""clear does nothing."""
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display = NullDisplay()
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display.clear()
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def test_cleanup_does_nothing(self):
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"""cleanup does nothing."""
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display = NullDisplay()
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display.cleanup()
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class TestMultiDisplay:
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"""Tests for MultiDisplay class."""
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def test_init_stores_dimensions(self):
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"""init stores dimensions and forwards to displays."""
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mock_display1 = MagicMock()
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mock_display2 = MagicMock()
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multi = MultiDisplay([mock_display1, mock_display2])
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multi.init(120, 40)
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assert multi.width == 120
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assert multi.height == 40
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mock_display1.init.assert_called_once_with(120, 40)
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mock_display2.init.assert_called_once_with(120, 40)
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def test_show_forwards_to_all_displays(self):
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"""show forwards buffer to all displays."""
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mock_display1 = MagicMock()
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mock_display2 = MagicMock()
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multi = MultiDisplay([mock_display1, mock_display2])
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buffer = ["line1", "line2"]
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multi.show(buffer)
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mock_display1.show.assert_called_once_with(buffer)
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mock_display2.show.assert_called_once_with(buffer)
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def test_clear_forwards_to_all_displays(self):
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"""clear forwards to all displays."""
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mock_display1 = MagicMock()
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mock_display2 = MagicMock()
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multi = MultiDisplay([mock_display1, mock_display2])
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multi.clear()
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mock_display1.clear.assert_called_once()
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mock_display2.clear.assert_called_once()
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def test_cleanup_forwards_to_all_displays(self):
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"""cleanup forwards to all displays."""
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mock_display1 = MagicMock()
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mock_display2 = MagicMock()
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multi = MultiDisplay([mock_display1, mock_display2])
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multi.cleanup()
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mock_display1.cleanup.assert_called_once()
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mock_display2.cleanup.assert_called_once()
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def test_empty_displays_list(self):
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"""handles empty displays list gracefully."""
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multi = MultiDisplay([])
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multi.init(80, 24)
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multi.show(["test"])
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multi.clear()
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multi.cleanup()
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