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Tests for PromptSampler in openevolve.prompt.sampler
"""
import unittest
from openevolve.config import Config
from openevolve.prompt.sampler import PromptSampler
class TestPromptSampler(unittest.TestCase):
"""Tests for prompt sampler"""
def setUp(self):
"""Set up test prompt sampler"""
config = Config()
self.prompt_sampler = PromptSampler(config.prompt)
def test_build_prompt(self):
"""Test building a prompt"""
current_program = "def test(): pass"
parent_program = "def test(): pass"
program_metrics = {"score": 0.5}
previous_programs = [
{
"id": "prev1",
"code": "def prev1(): pass",
"metrics": {"score": 0.4},
}
]
top_programs = [
{
"id": "top1",
"code": "def top1(): pass",
"metrics": {"score": 0.6},
}
]
prompt = self.prompt_sampler.build_prompt(
current_program=current_program,
parent_program=parent_program,
program_metrics=program_metrics,
previous_programs=previous_programs,
top_programs=top_programs,
)
self.assertIn("system", prompt)
self.assertIn("user", prompt)
self.assertIn("def test(): pass", prompt["user"])
# Check that the score value appears in the prompt (either as fitness or metrics)
self.assertIn("0.5", prompt["user"])
if __name__ == "__main__":
unittest.main()
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