45 lines
1.7 KiB
Python
45 lines
1.7 KiB
Python
from __future__ import annotations
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from dpg_map.sizing import SizeMeasurement, apply_size_measurement, effective_draw_size
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from dpg_map.state import DirtyFlags, create_map_state
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def test_size_measurement_tracks_last_nonzero_size() -> None:
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state = create_map_state(tag="size-last-nonzero")
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first = apply_size_measurement(state, SizeMeasurement(width=640, height=360, visible=True))
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hidden = apply_size_measurement(state, SizeMeasurement(width=0, height=0, visible=False))
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assert first.changed is True
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assert state.measured_width == 0
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assert state.measured_height == 0
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assert state.last_nonzero_width == 640
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assert state.last_nonzero_height == 360
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assert hidden.became_hidden is True
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assert effective_draw_size(state) == (640, 360)
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def test_zero_size_does_not_permanently_collapse_map() -> None:
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state = create_map_state(tag="size-reappears")
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apply_size_measurement(state, SizeMeasurement(width=500, height=300, visible=True))
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apply_size_measurement(state, SizeMeasurement(width=0, height=0, visible=False))
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update = apply_size_measurement(state, SizeMeasurement(width=700, height=450, visible=True))
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assert update.became_visible is True
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assert update.effective_width == 700
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assert update.effective_height == 450
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assert state.last_nonzero_width == 700
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assert state.last_nonzero_height == 450
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def test_resize_marks_size_dirty() -> None:
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state = create_map_state(tag="size-dirty")
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state.dirty = DirtyFlags.NONE
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apply_size_measurement(state, SizeMeasurement(width=320, height=240, visible=True))
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assert state.dirty & DirtyFlags.SIZE
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assert state.dirty & DirtyFlags.TILES
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assert state.dirty & DirtyFlags.OVERLAYS
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