35 lines
1.2 KiB
Python
35 lines
1.2 KiB
Python
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"""Tests for the Viser reward bar panel term cap."""
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from unittest.mock import Mock
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import pytest
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from mjlab.viewer.viser.reward_bar_panel import RewardBarPanel
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def _term_names(n: int) -> list[str]:
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return [f"term_{i}" for i in range(n)]
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def test_warns_and_truncates_over_cap():
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"""More terms than the cap warns and keeps only the first ``max_terms``."""
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server = Mock()
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with pytest.warns(UserWarning, match="exceed max_terms"):
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panel = RewardBarPanel(server, _term_names(21), update_dt=1 / 30, max_terms=20)
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assert panel._term_names == _term_names(21)[:20]
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def test_no_warning_at_or_below_cap(recwarn):
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"""At or below the cap, all terms are kept and no truncation warning fires."""
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server = Mock()
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panel = RewardBarPanel(server, _term_names(20), update_dt=1 / 30, max_terms=20)
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assert panel._term_names == _term_names(20)
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assert not [w for w in recwarn if "exceed max_terms" in str(w.message)]
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def test_raised_cap_shows_all_terms():
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"""Raising ``max_terms`` (the fix for #1079) surfaces the overflow terms."""
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server = Mock()
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panel = RewardBarPanel(server, _term_names(24), update_dt=1 / 30, max_terms=32)
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assert panel._term_names == _term_names(24)
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