add a few very basic tests for the random module

test/test_random.py

+import numpy as np
+
+import nifty6 as ift
+
+
+def test_rand1():
+    ift.random.push_sseq_from_seed(31)
+    a = ift.random.current_rng().integers(0,1000000000)
+    ift.random.pop_sseq()
+    ift.random.push_sseq_from_seed(31)
+    b = ift.random.current_rng().integers(0,1000000000)
+    np.testing.assert_equal(a,b)
+
+
+def test_rand2():
+    ift.random.push_sseq_from_seed(31)
+    sseq = ift.random.spawn_sseq(10)
+    ift.random.push_sseq(sseq[2])
+    a = ift.random.current_rng().integers(0,1000000000)
+    ift.random.pop_sseq()
+    ift.random.push_sseq(sseq[2])
+    b = ift.random.current_rng().integers(0,1000000000)
+    ift.random.pop_sseq()
+    np.testing.assert_equal(a,b)
+    ift.random.pop_sseq()
+
+
+def test_rand3():
+    ift.random.push_sseq_from_seed(31)
+    sseq = ift.random.spawn_sseq(10)
+    ift.random.push_sseq(sseq[2])
+    a = ift.random.current_rng().integers(0,1000000000)
+    ift.random.pop_sseq()
+    ift.random.pop_sseq()
+    ift.random.push_sseq_from_seed(31)
+    sseq = ift.random.spawn_sseq(1)
+    sseq = ift.random.spawn_sseq(1)
+    sseq = ift.random.spawn_sseq(1)
+    ift.random.push_sseq(sseq[0])
+    b = ift.random.current_rng().integers(0,1000000000)
+    ift.random.pop_sseq()
+    np.testing.assert_equal(a,b)
+    ift.random.pop_sseq()
+
+
+def test_rand4():
+    ift.random.push_sseq_from_seed(31)
+    a = ift.random.current_rng().integers(0,1000000000)
+    ift.random.push_sseq_from_seed(31)
+    b = ift.random.current_rng().integers(0,1000000000)
+    ift.random.pop_sseq()
+    ift.random.pop_sseq()
+    np.testing.assert_equal(a,b)
+
+
+def test_rand5():
+    ift.random.push_sseq_from_seed(31)
+    a = ift.random.current_rng().integers(0,1000000000)
+    ift.random.push_sseq_from_seed(31)
+    b = ift.random.current_rng().integers(0,1000000000)
+    c = ift.random.current_rng().integers(0,1000000000)
+    ift.random.pop_sseq()
+    d = ift.random.current_rng().integers(0,1000000000)
+    ift.random.pop_sseq()
+    np.testing.assert_equal(a,b)
+    np.testing.assert_equal(c,d)