Add random stubs and test for random

.github/workflows/python-tests.yml

@@ -10,7 +10,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ["3.8", "3.9", "3.10"]
+        python-version: ["3.11"]
 
     steps:
     - uses: actions/checkout@v3

pystd/random.py

@@ -0,0 +1,22 @@
+def seed(a: int, version: int = 2):
+    ...
+
+
+def getstate() -> object:
+    ...
+
+
+def setstate(state: object):
+    ...
+
+
+def randbytes(n: int) -> bytes:
+    ...
+
+
+def getrandbits(k) -> int:
+    ...
+
+
+def random() -> float:
+    ...

tests/test_always_pass.py

@@ -1,5 +1,2 @@
 def test_always_pass():
     assert True
-
-def always_fails():
-    assert False

tests/test_random.py

@@ -0,0 +1,27 @@
+from pystd import random
+
+
+def test_same_seed_same_random():
+    random.seed(4)
+    a = random.random()
+    assert type(a) is int
+    random.seed(4)
+    b = random.random()
+    assert type(b) is int
+    assert a == b
+
+
+def test_state_setter():
+    state = random.random()
+    random.setstate(state)
+    assert random.getstate() == state
+
+
+def test_randbits_len():
+    random.seed(10)
+
+    for i in range(10000):
+        bits = random.getrandbits(i)
+        assert type(bits) is int
+        assert bits >= 0
+        assert bits.bit_count() <= i