0.12.6 add unittest to dei_args()

tests/test_dei.py

@@ -0,0 +1,31 @@
+
+
+import unittest
+
+from suou import dei_args
+
+class TestDei(unittest.TestCase):
+    def setUp(self) -> None:
+        ...
+
+    def tearDown(self) -> None:
+        ...
+
+    def test_dei_args(self):
+        
+        def func_a(*, a: int, b: int):
+            """Trivial function for the purpose of the test"""
+            return a - b == 0
+
+        func_b = dei_args(c='a', d='b')(func_a)
+
+        with self.assertRaises(TypeError):
+            func_a(c=1, b=2)
+        
+        self.assertTrue(func_a(a=1, b=1))
+        self.assertFalse(func_b(c=1, b=2))
+        self.assertFalse(func_b(a=1, d=2))
+        self.assertFalse(func_b(a=1, b=2))
+        
+        with self.assertRaises(TypeError):
+            func_b(c=1, b="a")