Fix issue #2434: Allow tools to specify if they permit repeated usage

Co-Authored-By: Joe Moura <joao@crewai.com>

tests/tools/test_tool_repeated_usage_allowed.py

@@ -0,0 +1,48 @@
+import pytest
+from unittest.mock import MagicMock
+
+from crewai.tools import BaseTool
+from crewai.tools.tool_usage import ToolUsage
+from crewai.tools.tool_calling import ToolCalling
+
+
+def test_tool_repeated_usage_allowed():
+    """Test that a tool with allow_repeated_usage=True can be used repeatedly with same args."""
+    
+    class RepeatedUsageTool(BaseTool):
+        name: str = "Repeated Usage Tool"
+        description: str = "A tool that can be used repeatedly with the same arguments"
+        allow_repeated_usage: bool = True
+        
+        def _run(self, test_arg: str) -> str:
+            return f"Used with arg: {test_arg}"
+    
+    # Setup tool usage
+    tool = RepeatedUsageTool()
+    tools_handler = MagicMock()
+    tools_handler.last_used_tool = ToolCalling(
+        tool_name="Repeated Usage Tool",
+        arguments={"test_arg": "test"}
+    )
+    
+    tool_usage = ToolUsage(
+        tools_handler=tools_handler,
+        tools=[tool],
+        original_tools=[tool],
+        tools_description="Test tools",
+        tools_names="Repeated Usage Tool",
+        agent=MagicMock(),
+        task=MagicMock(),
+        function_calling_llm=MagicMock(),
+        action=MagicMock(),
+    )
+    
+    # Create a new tool calling with the same arguments
+    calling = ToolCalling(
+        tool_name="Repeated Usage Tool",
+        arguments={"test_arg": "test"}
+    )
+    
+    # This should return False since the tool allows repeated usage
+    result = tool_usage._check_tool_repeated_usage(calling=calling)
+    assert result is False