chore: import upstream snapshot with attribution

tests/integration/fixture/hello_world_agent/__init__.py

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+# Copyright 2026 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+from . import agent

tests/integration/fixture/hello_world_agent/agent.py

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+# Copyright 2026 Google LLC
+#
+# Licensed under the Apache License, Version 2.0 (the "License");
+# you may not use this file except in compliance with the License.
+# You may obtain a copy of the License at
+#
+#     http://www.apache.org/licenses/LICENSE-2.0
+#
+# Unless required by applicable law or agreed to in writing, software
+# distributed under the License is distributed on an "AS IS" BASIS,
+# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+# See the License for the specific language governing permissions and
+# limitations under the License.
+
+# Hello world agent from agent 1.0 - https://colab.sandbox.google.com/drive/1Zq-nqmgK0nCERCv8jKIaoeTTgbNn6oSo?resourcekey=0-GYaz9pFT4wY8CI8Cvjy5GA#scrollTo=u3X3XwDOaCv9
+import random
+
+from google.adk import Agent
+from google.genai import types
+
+
+def roll_die(sides: int) -> int:
+  """Roll a die and return the rolled result.
+
+  Args:
+    sides: The integer number of sides the die has.
+
+  Returns:
+    An integer of the result of rolling the die.
+  """
+  return random.randint(1, sides)
+
+
+def check_prime(nums: list[int]) -> list[str]:
+  """Check if a given list of numbers are prime.
+
+  Args:
+    nums: The list of numbers to check.
+
+  Returns:
+    A str indicating which number is prime.
+  """
+  primes = set()
+  for number in nums:
+    number = int(number)
+    if number <= 1:
+      continue
+    is_prime = True
+    for i in range(2, int(number**0.5) + 1):
+      if number % i == 0:
+        is_prime = False
+        break
+    if is_prime:
+      primes.add(number)
+  return (
+      'No prime numbers found.'
+      if not primes
+      else f"{', '.join(str(num) for num in primes)} are prime numbers."
+  )
+
+
+root_agent = Agent(
+    model='gemini-2.5-flash',
+    name='data_processing_agent',
+    instruction="""
+      You roll dice and answer questions about the outcome of the dice rolls.
+      You can roll dice of different sizes.
+      You can use multiple tools in parallel by calling functions in parallel(in one request and in one round).
+      The only things you do are roll dice for the user and discuss the outcomes.
+      It is ok to discuss previous dice roles, and comment on the dice rolls.
+      When you are asked to roll a die, you must call the roll_die tool with the number of sides. Be sure to pass in an integer. Do not pass in a string.
+      You should never roll a die on your own.
+      When checking prime numbers, call the check_prime tool with a list of integers. Be sure to pass in a list of integers. You should never pass in a string.
+      You should not check prime numbers before calling the tool.
+      When you are asked to roll a die and check prime numbers, you should always make the following two function calls:
+      1. You should first call the roll_die tool to get a roll. Wait for the function response before calling the check_prime tool.
+      2. After you get the function response from roll_die tool, you should call the check_prime tool with the roll_die result.
+        2.1 If user asks you to check primes based on previous rolls, make sure you include the previous rolls in the list.
+      3. When you respond, you must include the roll_die result from step 1.
+      You should always perform the previous 3 steps when asking for a roll and checking prime numbers.
+      You should not rely on the previous history on prime results.
+    """,
+    tools=[
+        roll_die,
+        check_prime,
+    ],
+    generate_content_config=types.GenerateContentConfig(
+        safety_settings=[
+            types.SafetySetting(  # avoid false alarm about rolling dice.
+                category=types.HarmCategory.HARM_CATEGORY_DANGEROUS_CONTENT,
+                threshold=types.HarmBlockThreshold.OFF,
+            ),
+        ]
+    ),
+)

tests/integration/fixture/hello_world_agent/roll_die.test.json

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+{
+  "eval_set_id": "56540925-a5ff-49fe-a4e1-589fe78066f2",
+  "name": "56540925-a5ff-49fe-a4e1-589fe78066f2",
+  "description": null,
+  "eval_cases": [
+    {
+      "eval_id": "tests/integration/fixture/hello_world_agent/roll_die.test.json",
+      "conversation": [
+        {
+          "invocation_id": "b01f67f0-9f23-44d6-bbe4-36ea235cb9fb",
+          "user_content": {
+            "parts": [
+              {
+                "video_metadata": null,
+                "thought": null,
+                "code_execution_result": null,
+                "executable_code": null,
+                "file_data": null,
+                "function_call": null,
+                "function_response": null,
+                "inline_data": null,
+                "text": "Hi who are you?"
+              }
+            ],
+            "role": "user"
+          },
+          "final_response": {
+            "parts": [
+              {
+                "video_metadata": null,
+                "thought": null,
+                "code_execution_result": null,
+                "executable_code": null,
+                "file_data": null,
+                "function_call": null,
+                "function_response": null,
+                "inline_data": null,
+                "text": "I am a data processing agent. I can roll dice and check if the results are prime numbers. What would you like me to do? \n"
+              }
+            ],
+            "role": "model"
+          },
+          "intermediate_data": {
+            "tool_uses": [],
+            "intermediate_responses": []
+          },
+          "creation_timestamp": 1747341775.8937013
+        },
+        {
+          "invocation_id": "13be0093-ac29-4828-98c6-5bbd570c010c",
+          "user_content": {
+            "parts": [
+              {
+                "video_metadata": null,
+                "thought": null,
+                "code_execution_result": null,
+                "executable_code": null,
+                "file_data": null,
+                "function_call": null,
+                "function_response": null,
+                "inline_data": null,
+                "text": "What can you do?"
+              }
+            ],
+            "role": "user"
+          },
+          "final_response": {
+            "parts": [
+              {
+                "video_metadata": null,
+                "thought": null,
+                "code_execution_result": null,
+                "executable_code": null,
+                "file_data": null,
+                "function_call": null,
+                "function_response": null,
+                "inline_data": null,
+                "text": "I can roll dice for you of different sizes, and I can check if the results are prime numbers.  I can also remember previous rolls if you'd like to check those for primes as well.  What would you like me to do? \n"
+              }
+            ],
+            "role": "model"
+          },
+          "intermediate_data": {
+            "tool_uses": [],
+            "intermediate_responses": []
+          },
+          "creation_timestamp": 1747341775.8937378
+        },
+        {
+          "invocation_id": "7deda353-c936-4c21-b242-9fa75e45b6a7",
+          "user_content": {
+            "parts": [
+              {
+                "video_metadata": null,
+                "thought": null,
+                "code_execution_result": null,
+                "executable_code": null,
+                "file_data": null,
+                "function_call": null,
+                "function_response": null,
+                "inline_data": null,
+                "text": "Can you roll a die with 6 sides"
+              }
+            ],
+            "role": "user"
+          },
+          "final_response": {
+            "parts": [
+              {
+                "video_metadata": null,
+                "thought": null,
+                "code_execution_result": null,
+                "executable_code": null,
+                "file_data": null,
+                "function_call": null,
+                "function_response": null,
+                "inline_data": null,
+                "text": null
+              }
+            ],
+            "role": "model"
+          },
+          "intermediate_data": {
+            "tool_uses": [
+              {
+                "id": null,
+                "args": {
+                  "sides": 6
+                },
+                "name": "roll_die"
+              }
+            ],
+            "intermediate_responses": []
+          },
+          "creation_timestamp": 1747341775.8937788
+        }
+      ],
+      "session_input": null,
+      "creation_timestamp": 1747341775.8937826
+    }
+  ],
+  "creation_timestamp": 1747341775.8937957
+}

tests/integration/fixture/hello_world_agent/test_config.json

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+{
+  "criteria": {
+    "tool_trajectory_avg_score": 1.0,
+    "response_match_score": 0.5
+  }
+}