adds missing tests

app/tests/shared/utils/test_misc.py

@@ -0,0 +1,31 @@
+from app.shared.utils.misc import fnv1a_hash_mod
+
+
+def test_fnv1a_hash_mod():
+    # Test basic string hashing
+    assert fnv1a_hash_mod("test", 10) == fnv1a_hash_mod("test", 10)
+    assert 0 <= fnv1a_hash_mod("test", 10) < 10
+
+    # Test different strings give different hashes
+    assert fnv1a_hash_mod("test1", 100) != fnv1a_hash_mod("test2", 100)
+
+    # Test different modulos
+    hash1 = fnv1a_hash_mod("test", 5)
+    hash2 = fnv1a_hash_mod("test", 10) 
+    assert 0 <= hash1 < 5
+    assert 0 <= hash2 < 10
+
+    # Test empty string
+    assert isinstance(fnv1a_hash_mod("", 10), int)
+    assert 0 <= fnv1a_hash_mod("", 10) < 10
+
+    # Test long string
+    long_str = "a" * 1000
+    assert 0 <= fnv1a_hash_mod(long_str, 20) < 20
+
+    # Test unicode string
+    assert isinstance(fnv1a_hash_mod("测试", 10), int)
+    assert 0 <= fnv1a_hash_mod("测试", 10) < 10
+
+    # Test modulo = 1 edge case
+    assert fnv1a_hash_mod("test", 1) == 0