Jared Miller
9844749edd
fly <direction> moves the player 5 tiles, ignoring terrain. Leaves a trail of bright white ~ clouds that fade after 2 seconds. Effects system supports arbitrary timed visual overlays on the viewport. TinTin aliases: fn/fs/fe/fw/fne/fnw/fse/fsw.
84 lines
2.1 KiB
Python
84 lines
2.1 KiB
Python
"""Tests for the temporary visual effects system."""
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import time
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import pytest
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from mudlib.effects import (
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Effect,
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active_effects,
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add_effect,
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clear_expired,
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get_effects_at,
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)
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@pytest.fixture(autouse=True)
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def clean_effects():
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"""Clear effects before and after each test."""
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active_effects.clear()
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yield
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active_effects.clear()
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def test_add_effect_creates_entry():
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add_effect(10, 20, "~", "\033[1;97m", ttl=2.0)
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assert len(active_effects) == 1
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e = active_effects[0]
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assert e.x == 10
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assert e.y == 20
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assert e.char == "~"
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assert e.color == "\033[1;97m"
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def test_add_effect_sets_expiry_from_ttl():
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before = time.monotonic()
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add_effect(0, 0, "~", "", ttl=2.0)
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after = time.monotonic()
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e = active_effects[0]
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assert before + 2.0 <= e.expires_at <= after + 2.0
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def test_get_effects_at_returns_matching():
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add_effect(5, 5, "~", "c1", ttl=2.0)
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add_effect(5, 5, "~", "c2", ttl=2.0)
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add_effect(6, 5, "~", "c3", ttl=2.0)
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at_5_5 = get_effects_at(5, 5)
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assert len(at_5_5) == 2
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assert {e.color for e in at_5_5} == {"c1", "c2"}
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def test_get_effects_at_excludes_expired():
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add_effect(5, 5, "~", "alive", ttl=10.0)
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# manually insert an expired effect
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active_effects.append(
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Effect(x=5, y=5, char="~", color="dead", expires_at=time.monotonic() - 1.0)
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)
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at_5_5 = get_effects_at(5, 5)
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assert len(at_5_5) == 1
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assert at_5_5[0].color == "alive"
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def test_clear_expired_removes_old_effects():
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add_effect(1, 1, "~", "alive", ttl=10.0)
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active_effects.append(
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Effect(x=2, y=2, char="~", color="dead", expires_at=time.monotonic() - 1.0)
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)
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clear_expired()
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assert len(active_effects) == 1
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assert active_effects[0].color == "alive"
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def test_multiple_effects_along_path():
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"""Simulates adding a cloud trail along a flight path."""
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for i in range(5):
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add_effect(10 + i, 20, "~", "\033[1;97m", ttl=2.0)
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assert len(active_effects) == 5
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# all at y=20, x from 10-14
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for i, e in enumerate(active_effects):
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assert e.x == 10 + i
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assert e.y == 20
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