177 lines
6.4 KiB
Python
177 lines
6.4 KiB
Python
from __future__ import annotations
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from typing import Any
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import dpg_map as dpgm
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from dpg_map.commands import CommandKind, MapCommand
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from dpg_map.providers import TileProvider
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from dpg_map.renderer import MapRenderer, drain_renderer_commands
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from dpg_map.state import DirtyFlags, create_map_state
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from dpg_map.tiles import TileID, TileResult, TileStatus
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class FakeDpg:
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def __init__(self) -> None:
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self.items: set[str | int] = set()
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self.deleted: list[tuple[str | int, bool]] = []
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self.drawn: list[tuple[str, str | int]] = []
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def does_item_exist(self, tag: str | int) -> bool:
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return tag in self.items
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def add_draw_layer(self, *, parent: str | int, tag: str | int) -> None:
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_ = parent
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self.items.add(tag)
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def delete_item(self, tag: str | int, *, children_only: bool = False) -> None:
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self.deleted.append((tag, children_only))
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def draw_rectangle(self, *args: Any, parent: str | int, **kwargs: Any) -> None:
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_ = (args, kwargs)
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self.drawn.append(("rectangle", parent))
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def draw_image(self, *args: Any, parent: str | int, **kwargs: Any) -> None:
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_ = (args, kwargs)
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self.drawn.append(("image", parent))
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def draw_text(self, *args: Any, parent: str | int, **kwargs: Any) -> None:
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_ = (args, kwargs)
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self.drawn.append(("text", parent))
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def draw_circle(self, *args: Any, parent: str | int, **kwargs: Any) -> None:
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_ = (args, kwargs)
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self.drawn.append(("circle", parent))
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def draw_polyline(self, *args: Any, parent: str | int, **kwargs: Any) -> None:
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_ = (args, kwargs)
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self.drawn.append(("polyline", parent))
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def test_renderer_command_drain_preserves_structural_order_and_coalesces() -> None:
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state = create_map_state(tag="renderer-drain")
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state.dirty = DirtyFlags.NONE
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state.command_queue.put(MapCommand(CommandKind.ADD_OVERLAY, state.tag, {"tag": "a"}))
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state.command_queue.put(MapCommand(CommandKind.SET_VIEW, state.tag, {"zoom": 3}))
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state.command_queue.put(MapCommand(CommandKind.SET_VIEW, state.tag, {"zoom": 4}))
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state.command_queue.put(MapCommand(CommandKind.UPDATE_OVERLAY, state.tag, {"tag": "a", "v": 1}))
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state.command_queue.put(MapCommand(CommandKind.UPDATE_OVERLAY, state.tag, {"tag": "a", "v": 2}))
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state.command_queue.put(MapCommand(CommandKind.DELETE_OVERLAY, state.tag, {"tag": "a"}))
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commands = drain_renderer_commands(state)
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assert [command.kind for command in commands] == [
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CommandKind.ADD_OVERLAY,
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CommandKind.SET_VIEW,
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CommandKind.UPDATE_OVERLAY,
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CommandKind.DELETE_OVERLAY,
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]
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assert commands[1].payload == {"zoom": 4}
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assert commands[2].payload == {"tag": "a", "v": 2}
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assert state.dirty & DirtyFlags.VIEW
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assert state.dirty & DirtyFlags.OVERLAYS
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def test_overlay_draw_clears_only_overlay_layer() -> None:
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state = create_map_state(tag="overlay-draw", center=(47.0, 2.0), zoom=8)
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dpgm.add_marker(
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"vehicle",
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lat=47.0,
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lon=2.0,
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show_label=True,
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label="Vehicle",
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map_tag="overlay-draw",
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)
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fake = FakeDpg()
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fake.items.add(state.drawlist_tag)
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renderer = MapRenderer(state, fake)
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renderer._draw_tile_layer(
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visible_tiles=[], width=400, height=300, attribution="Tiles", tile_size=256
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)
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fake.deleted.clear()
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with state.lock:
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overlays = tuple(state.overlays.values())
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layers = {name: (layer.show, layer.z_index) for name, layer in state.layers.items()}
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renderer._draw_overlay_layer(
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overlays=overlays,
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layers=layers,
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center=state.center,
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zoom=state.zoom,
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width=400,
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height=300,
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tile_size=256,
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)
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assert fake.deleted == [("overlay-draw##layer-overlays", True)]
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assert ("circle", "overlay-draw##layer-overlays") in fake.drawn
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assert ("text", "overlay-draw##layer-overlays") in fake.drawn
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def test_overlay_update_drain_sets_only_overlay_dirty() -> None:
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state = create_map_state(tag="overlay-dirty")
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state.dirty = DirtyFlags.NONE
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state.command_queue.put(MapCommand(CommandKind.UPDATE_OVERLAY, state.tag, {"tag": "a"}))
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drain_renderer_commands(state)
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assert state.dirty == DirtyFlags.OVERLAYS
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def test_provider_switch_keeps_overlays_and_invalidates_tiles() -> None:
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provider = TileProvider(
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name="renderer-switch-provider",
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url_template="https://tiles.example.test/{z}/{x}/{y}.png",
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min_zoom=3,
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max_zoom=4,
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attribution="Example",
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)
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dpgm.register_provider(provider)
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try:
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state = create_map_state(tag="provider-switch", center=(47.0, 2.0), zoom=8)
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dpgm.add_marker("vehicle", lat=47.0, lon=2.0, map_tag="provider-switch")
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state.command_queue.drain()
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state.dirty = DirtyFlags.NONE
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tile_id = TileID("osm", 3, 1, 2)
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state.tile_manager._result_queue.put(
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TileResult(
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tile_id,
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generation=state.generation,
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status=TileStatus.READY,
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width=1,
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height=1,
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pixels=(1.0, 1.0, 1.0, 1.0),
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source="disk",
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)
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)
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state.tile_manager.drain_results(generation=state.generation, provider_name="osm")
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state.tile_manager.set_texture_tag(tile_id, "old-texture")
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dpgm.set_provider("renderer-switch-provider", map_tag="provider-switch")
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drain_renderer_commands(state)
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assert "vehicle" in state.overlays
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assert state.center == (47.0, 2.0)
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assert state.zoom == 4
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assert state.generation == 1
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assert state.provider.name == "renderer-switch-provider"
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assert state.dirty & DirtyFlags.PROVIDER
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assert state.dirty & DirtyFlags.TILES
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assert state.dirty & DirtyFlags.OVERLAYS
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assert state.tile_manager.get_ready_tile(tile_id) is None
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assert state.tile_manager.take_texture_deletions() == ["old-texture"]
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finally:
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dpgm.unregister_provider("renderer-switch-provider")
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def test_map_scoped_clear_disk_cache_command_keeps_dearpygui_out_of_caller_thread() -> None:
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state = create_map_state(tag="clear-disk-command")
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state.dirty = DirtyFlags.NONE
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dpgm.clear_disk_cache(map_tag="clear-disk-command")
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commands = state.command_queue.drain()
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assert [command.kind for command in commands] == [CommandKind.CLEAR_DISK_CACHE]
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assert state.dirty == DirtyFlags.TILES
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