Update app.py

app.py

@@ -7,6 +7,43 @@ from tools.final_answer import FinalAnswerTool
 
 from Gradio_UI import GradioUI
 
+from typing import List, Dict
+
+def generate_test_cases(topic: str) -> List[Dict[str, str]]:
+    """
+    Suggest simple QA test cases for a given topic.
+    Args:
+        topic: The feature, function, or topic to generate test cases for.
+    Returns:
+        A list of test cases, each with input and expected output.
+    """
+    topic_lower = topic.lower()
+    test_cases = []
+
+    if "login" in topic_lower:
+        test_cases = [
+            {"test_case": "Valid login", "input": "Correct username/password", "expected_output": "User is logged in successfully"},
+            {"test_case": "Invalid password", "input": "Wrong password", "expected_output": "Error message displayed"},
+            {"test_case": "Empty username", "input": "Username left blank", "expected_output": "Error message displayed"},
+            {"test_case": "Empty password", "input": "Password left blank", "expected_output": "Error message displayed"},
+        ]
+    elif "calculator" in topic_lower:
+        test_cases = [
+            {"test_case": "Addition", "input": "2 + 3", "expected_output": "5"},
+            {"test_case": "Subtraction", "input": "5 - 2", "expected_output": "3"},
+            {"test_case": "Multiplication", "input": "4 * 5", "expected_output": "20"},
+            {"test_case": "Divide by zero", "input": "5 / 0", "expected_output": "Error handled gracefully"},
+        ]
+    else:
+        # Generic template
+        test_cases = [
+            {"test_case": f"Test case 1 for {topic}", "input": "Sample input", "expected_output": "Expected behavior"},
+            {"test_case": f"Test case 2 for {topic}", "input": "Another input", "expected_output": "Expected behavior"},
+            {"test_case": f"Test case 3 for {topic}", "input": "Additional input", "expected_output": "Expected behavior"},
+        ]
+
+    return test_cases
+    
 # Below is an example of a tool that does nothing. Amaze us with your creativity !
 @tool
 def my_custom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return type
@@ -18,6 +55,66 @@ def my_custom_tool(arg1:str, arg2:int)-> str: #it's import to specify the return
     """
     return "What magic will you build ?"
 
+@tool
+def suggest_test_cases(topic: str) -> list:
+    """
+    Suggest simple QA test cases for a given topic.
+    
+    Args:
+        topic: Feature or topic to generate test cases for.
+        
+    Returns:
+        A list of test cases with input and expected output.
+    """
+    return generate_test_cases(topic)
+
+@tool
+def time_difference(ts1: str, tz1: str, ts2: str, tz2: str, signed: bool = False) -> str:
+    """
+    Calculate the duration between two timestamps in different timezones.
+    Args:
+        ts1: First timestamp string in 'YYYY-MM-DD HH:MM:SS' format.
+        tz1: Timezone of ts1 (e.g. 'UTC', 'America/New_York').
+        ts2: Second timestamp string in 'YYYY-MM-DD HH:MM:SS' format.
+        tz2: Timezone of ts2.
+        signed: If True, return negative values when ts2 is earlier than ts1.
+                If False, return absolute difference.
+    Returns:
+        A formatted string showing the difference in days, hours, minutes, and seconds.
+    """
+    try:
+        # Parse timestamps
+        fmt = "%Y-%m-%d %H:%M:%S"
+        dt1_naive = datetime.datetime.strptime(ts1, fmt)
+        dt2_naive = datetime.datetime.strptime(ts2, fmt)
+
+        # Apply timezones
+        dt1 = pytz.timezone(tz1).localize(dt1_naive)
+        dt2 = pytz.timezone(tz2).localize(dt2_naive)
+
+        # Convert to UTC for accurate comparison
+        dt1_utc = dt1.astimezone(pytz.UTC)
+        dt2_utc = dt2.astimezone(pytz.UTC)
+
+        # Difference
+        diff = dt2_utc - dt1_utc
+
+        if not signed:
+            diff = abs(diff)
+
+        # Break down difference
+        total_seconds = int(diff.total_seconds())
+        days = total_seconds // 86400
+        hours = (total_seconds % 86400) // 3600
+        minutes = (total_seconds % 3600) // 60
+        seconds = total_seconds % 60
+
+        result = f"Difference: {days}d {hours}h {minutes}m {seconds}s (total {total_seconds} seconds)"
+        return result
+
+    except Exception as e:
+        return f"Error calculating time difference: {str(e)}"
+        
 @tool
 def get_current_time_in_timezone(timezone: str) -> str:
     """A tool that fetches the current local time in a specified timezone.
@@ -55,7 +152,7 @@ with open("prompts.yaml", 'r') as stream:
     
 agent = CodeAgent(
     model=model,
-    tools=[final_answer], ## add your tools here (don't remove final answer)
+    tools=[final_answer, suggest_test_cases, time_difference], ## add your tools here (don't remove final answer)
     max_steps=6,
     verbosity_level=1,
     grammar=None,