starting to write tests

testing/test_math.py

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+import numpy as np
+import pytest
+import scgenerator.math as m
+from math import factorial
+
+
+def test__power_fact_array():
+    x = np.random.rand(5)
+    for i in range(5):
+        assert m._power_fact_array(x, i) == pytest.approx(x ** i / factorial(i))
+
+
+def test__power_fact_single():
+    pass
+
+
+def test_abs2():
+    x = np.random.rand(5)
+    assert m.abs2(5) == 25
+    assert m.abs2(2 - 2j) == 8
+    assert all(m.abs2(x) == abs(x) ** 2)
+
+
+def test_all_zeros():
+    x = np.geomspace(0.1, 1, 100)
+    y = np.sin(1 / x)
+    target = [1 / (3 * np.pi), 1 / (2 * np.pi), 1 / np.pi]
+    assert m.all_zeros(x, y) == pytest.approx(target, abs=1e-4)
+
+    x = np.array([0, 1])
+    y = np.array([-1, 1])
+    assert all(m.all_zeros(x, y) == np.array([0.5]))
+
+    x = np.array([0, 1])
+    y = np.array([1, 1])
+    assert len(m.all_zeros(x, y)) == 0
+
+
+def test_argclosest():
+    pass
+
+
+def test_build_sim_grid():
+    pass
+
+
+def test_indft():
+    pass
+
+
+def test_indft_matrix():
+    pass
+
+
+def test_jn_zeros():
+    pass
+
+
+def test_length():
+    pass
+
+
+def test_ndft():
+    pass
+
+
+def test_ndft_matrix():
+    pass
+
+
+def test_np_cache():
+    pass
+
+
+def test_power_fact():
+    pass
+
+
+def test_sigmoid():
+    pass
+
+
+def test_span():
+    pass
+
+
+def test_tspace():
+    pass
+
+
+def test_u_nm():
+    pass
+
+
+def test_update_frequency_domain():
+    pass
+
+
+def test_wspace():
+    pass