diff --git a/tests/test_utils_shortcut.py b/tests/test_utils_shortcut.py
new file mode 100644
index 000000000..660270ea2
--- /dev/null
+++ b/tests/test_utils_shortcut.py
@@ -0,0 +1,204 @@
+import pytest
+import inspect
+from unittest.mock import MagicMock, patch
+from textwrap import dedent
+
+from your_module import Shortcut, as_shortcut, shortcuts, Registry
+
+# Tests for Shortcut class 
+
+class TestShortcutInitialization:
+    def test_init_with_custom_name(self):
+        # Verify initialization with custom name
+        func = lambda x: x * 2
+        sc = Shortcut(func, name="Doubler")
+        assert sc.func(5) == 10
+        assert sc.name == "Doubler"
+
+    def test_init_without_name(self):
+        # Test auto-naming from __name__
+        def addition_fct(a, b):
+            return a + b
+        sc = Shortcut(addition_fct)
+        assert sc.name == "addition fct"
+        assert sc.func(2, 3) == 5
+
+def test_run_method(self, capsys):
+    # Test direct execution while verifying print output
+    execution_results = []
+    
+    def sample():
+        execution_results.append("executed")
+        return "ok"
+    
+    sc = Shortcut(sample, name="TestRun")
+    task = sc.run(hold=False)  # Testing immediate execution
+    
+    # Verify the print output
+    captured = capsys.readouterr()
+    assert captured.out == 'Running "TestRun"\n'
+    
+    # Verify the function executed
+    assert execution_results == ["executed"]
+    
+    # Verify Task properties
+    assert task.func == sample
+    assert task.func() == "ok"
+    assert task.hold is False
+
+    task = sc.run(hold=True)
+    assert task.hold is True
+        
+def test_repr_output(self):
+    # Test exact __repr__ format
+    def my_func():
+        pass
+        
+    sc = Shortcut(my_func, name="Test Repr")
+    assert repr(sc) == f"Shortcut \"Test Repr\""  
+
+def test_source_with_regular_function(self):
+    # Test source with normal function
+    def example():
+        a = 1
+        b = 2
+        return a + b
+        
+    sc = Shortcut(example)
+    src = sc.source
+    assert "def example():" in src
+    assert "a = 1" in src
+    assert "b = 2" in src
+    assert "return a + b" in src
+
+@patch('inspect.getsource')
+def test_source_error_handling(self, mock_getsource):
+    # Test exception handling when inspect fails
+    mock_getsource.side_effect = OSError("No source")
+    sc = Shortcut(lambda x: x)
+    with pytest.raises(OSError):
+        _ = sc.source
+
+# Tests for as_shortcut decorator 
+
+def test_as_shortcut_basic():
+    # Test basic decorator without parameters
+    @as_shortcut
+    def basic_func():
+        return 42
+        
+    assert isinstance(basic_func, Shortcut)
+    assert basic_func.name == "basic func"
+    assert basic_func.func() == 42
+
+def test_as_shortcut_with_name():
+    # Test decorator with name parameter
+    @as_shortcut(name="CustomName")
+    def decorated():
+        pass
+        
+    assert decorated.name == "CustomName"
+
+def test_as_shortcut_factory_pattern():
+    # Test factory pattern usage
+    decorator = as_shortcut(name="FromFactory")
+    
+    @decorator
+    def sample():
+        pass
+        
+    assert sample.name == "FromFactory"
+
+# Tests for shortcuts singleton 
+
+class TestShortcutsSingleton:
+    def setup_method(self):
+        # Reset singleton before each test
+        shortcuts._instance = None
+
+    def test_singleton_behavior(self):
+        # Verify singleton pattern
+        inst1 = shortcuts
+        inst2 = shortcuts
+        assert inst1 is inst2
+
+    def test_registration(self):
+        # Test automatic registration
+        @as_shortcut(name="FuncA")
+        def func_a():
+            pass
+            
+        @as_shortcut(name="FuncB")
+        def func_b():
+            pass
+            
+        assert len(shortcuts._get()) == 2
+        assert "FuncA" in shortcuts._get()
+        assert shortcuts["FuncA"].func == func_a.func
+
+    def test_getitem_access(self):
+        # Test dictionary-style access
+        @as_shortcut(name="TestAccess")
+        def access_test():
+            return 123
+            
+        assert shortcuts["TestAccess"].func() == 123
+
+    def test_missing_key(self):
+        # Test access with invalid key
+        with pytest.raises(KeyError):
+            _ = shortcuts["InvalidKey"]
+
+    def test_repr_output(self):
+        # Test registry display
+        @as_shortcut(name="DisplayTest")
+        def to_display():
+            pass
+            
+        repr_str = repr(shortcuts)
+        assert "DisplayTest" in repr_str
+        assert "Shortcut" in repr_str
+
+# Full integration tests
+
+class TestFullIntegration:
+    def setup_method(self):
+        shortcuts._instance = None
+
+    def test_workflow(self, capsys):
+        # Test complete workflow from creation to execution
+        @as_shortcut(name="FullTest")
+        def integration_test(a, b):
+            print(f"Calculating {a} + {b}")
+            return a + b
+            
+        sc = shortcuts["FullTest"]
+        assert sc.name == "FullTest"
+        
+        task = sc.run(hold=True)
+        out, _ = capsys.readouterr()
+        assert "Running \"FullTest\"" in out
+        
+        assert task.func(3, 4) == 7
+        
+        source = sc.source
+        assert "def integration_test(a, b):" in source
+        assert "print(f\"Calculating {a} + {b}\")" in source
+
+    def test_multiple_shortcuts(self):
+        # Test multiple shortcuts coexistence
+        @as_shortcut(name="First")
+        def first():
+            return 1
+            
+        @as_shortcut(name="Second")
+        def second():
+            return 2
+            
+        assert shortcuts["First"].func() == 1
+        assert shortcuts["Second"].func() == 2
+        assert len(shortcuts._get()) == 2
+
+def test_registry_inheritance():
+    # Verify Shortcut inherits from Registry
+    assert issubclass(Shortcut, Registry)
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