update to match calibration data handling

shared/tests/test_force_history.py

@@ -0,0 +1,63 @@
+"""Tests for time-windowed MetricHistory (force plot buffer)."""
+
+from __future__ import annotations
+
+import pytest
+
+from orisys_app_shared.force.history import MetricHistory
+
+
+def _push_at_rate(hist: MetricHistory, *, fps: float, duration_sec: float, t0: float = 1000.0) -> None:
+    dt = 1.0 / fps
+    n = int(round(duration_sec * fps)) + 1
+    for i in range(n):
+        hist.push(t0 + i * dt, 1.0, 0.0, -1.0)
+
+
+def test_fill_phase_x_range_is_fixed_window():
+    hist = MetricHistory(window_sec=4.0, sample_rate_hz=30.0, lowpass_cutoff_hz=0.0, max_fps=90.0)
+    _push_at_rate(hist, fps=30.0, duration_sec=2.0)
+    state = hist.state()
+    assert state is not None
+    assert state.x_range == pytest.approx((0.0, 4.0))
+    assert float(state.times[-1]) < 4.0
+
+
+def test_high_fps_after_scroll_covers_x_range():
+    window = 4.0
+    hist = MetricHistory(window_sec=window, sample_rate_hz=30.0, lowpass_cutoff_hz=0.0, max_fps=90.0)
+    _push_at_rate(hist, fps=60.0, duration_sec=window + 1.0)
+    state = hist.state()
+    assert state is not None
+    x0, x1 = state.x_range
+    assert x1 - x0 == pytest.approx(window)
+    assert float(state.times[0]) == pytest.approx(x0)
+    assert float(state.times[-1]) == pytest.approx(x1)
+
+
+def test_nominal_30hz_after_scroll_covers_x_range():
+    window = 4.0
+    hist = MetricHistory(window_sec=window, sample_rate_hz=30.0, lowpass_cutoff_hz=0.0, max_fps=90.0)
+    _push_at_rate(hist, fps=30.0, duration_sec=window + 2.0)
+    state = hist.state()
+    assert state is not None
+    x0, x1 = state.x_range
+    assert x1 - x0 == pytest.approx(window)
+    assert float(state.times[0]) == pytest.approx(x0)
+
+
+def test_set_window_sec_prunes_older_samples():
+    hist = MetricHistory(window_sec=4.0, sample_rate_hz=30.0, lowpass_cutoff_hz=0.0, max_fps=90.0)
+    _push_at_rate(hist, fps=30.0, duration_sec=5.0)
+    before = hist.state()
+    assert before is not None
+    assert float(before.times[-1]) >= 4.0
+
+    hist.set_window_sec(1.0)
+    after = hist.state()
+    assert after is not None
+    assert after.x_range[1] - after.x_range[0] == pytest.approx(1.0)
+    assert float(after.times[0]) == pytest.approx(after.x_range[0])
+    # All retained samples must lie within the new window ending at t_end.
+    t_end = float(after.times[-1])
+    assert float(after.times[0]) >= t_end - 1.0 - 1e-9