[python] Start tests for Thiele/Small parameters

src/python/tests/test_thiele_small.py

@@ -0,0 +1,16 @@
+import numpy as np
+
+from akustik.speaker.thiele_small import (
+    resonance_frequency,
+    total_q_factor,
+)
+
+
+def test_resonance_frequency():
+    assert np.allclose(resonance_frequency(Cms=0.000171, Mms=0.319), 21.548980)
+    assert np.allclose(resonance_frequency(Cms=0.000143, Mms=0.499), 18.840908)
+
+
+def test_total_q_factor():
+    assert np.allclose(total_q_factor(Qms=3.69, Qes=0.346), 0.316337)
+    assert np.allclose(total_q_factor(Qms=4.05, Qes=0.347), 0.319615)