codeflash/tests/test_critic.py
2025-09-26 16:31:54 -07:00

593 lines
19 KiB
Python

import os
from pathlib import Path
from unittest.mock import Mock
from codeflash.code_utils.env_utils import get_pr_number
from codeflash.models.models import (
CodeOptimizationContext,
CoverageData,
CoverageStatus,
FunctionCoverage,
FunctionTestInvocation,
InvocationId,
OptimizedCandidateResult,
TestResults,
TestType,
)
from codeflash.result.critic import (
coverage_critic,
performance_gain,
quantity_of_tests_critic,
speedup_critic,
throughput_gain,
)
def test_performance_gain() -> None:
assert performance_gain(original_runtime_ns=1000, optimized_runtime_ns=0) == 0.0
assert performance_gain(original_runtime_ns=1000, optimized_runtime_ns=500) == 1.0
assert performance_gain(original_runtime_ns=1000, optimized_runtime_ns=900) == 0.1111111111111111
assert performance_gain(original_runtime_ns=1000, optimized_runtime_ns=1000) == 0.0
assert performance_gain(original_runtime_ns=1000, optimized_runtime_ns=1100) == -0.09090909090909091
def test_speedup_critic() -> None:
original_code_runtime = 1000
best_runtime_until_now = 1000
candidate_result = OptimizedCandidateResult(
max_loop_count=5,
best_test_runtime=800,
behavior_test_results=TestResults(),
benchmarking_test_results=TestResults(),
optimization_candidate_index=0,
total_candidate_timing=12,
)
assert speedup_critic(candidate_result, original_code_runtime, best_runtime_until_now, disable_gh_action_noise=True) # 20% improvement
candidate_result = OptimizedCandidateResult(
max_loop_count=5,
best_test_runtime=940,
behavior_test_results=TestResults(),
benchmarking_test_results=TestResults(),
total_candidate_timing=12,
optimization_candidate_index=0,
)
assert not speedup_critic(candidate_result, original_code_runtime, best_runtime_until_now, disable_gh_action_noise=True) # 6% improvement
original_code_runtime = 100000
best_runtime_until_now = 100000
candidate_result = OptimizedCandidateResult(
max_loop_count=5,
best_test_runtime=94000,
behavior_test_results=TestResults(),
benchmarking_test_results=TestResults(),
total_candidate_timing=12,
optimization_candidate_index=0,
)
assert speedup_critic(candidate_result, original_code_runtime, best_runtime_until_now, disable_gh_action_noise=True) # 6% improvement
def test_generated_test_critic() -> None:
test_1 = FunctionTestInvocation(
id=InvocationId(
test_module_path="",
test_class_name="",
test_function_name="test_1",
function_getting_tested="sorter",
iteration_id="",
),
file_name=Path("test_1"),
did_pass=True,
runtime=0,
test_framework="pytest",
test_type=TestType.GENERATED_REGRESSION,
return_value=None,
timed_out=False,
loop_index=1,
)
test_2 = FunctionTestInvocation(
id=InvocationId(
test_module_path="",
test_class_name="",
test_function_name="test_2",
function_getting_tested="sorter",
iteration_id="",
),
file_name=Path("test_2"),
did_pass=True,
runtime=0,
test_framework="pytest",
test_type=TestType.GENERATED_REGRESSION,
return_value=None,
timed_out=False,
loop_index=1,
)
test_3 = FunctionTestInvocation(
id=InvocationId(
test_module_path="",
test_class_name="",
test_function_name="test_3",
function_getting_tested="sorter",
iteration_id="",
),
file_name=Path("test_3"),
did_pass=True,
runtime=0,
test_framework="pytest",
test_type=TestType.EXISTING_UNIT_TEST,
return_value=None,
timed_out=False,
loop_index=1,
)
test_4 = FunctionTestInvocation(
id=InvocationId(
test_module_path="",
test_class_name="",
test_function_name="test_4",
function_getting_tested="sorter",
iteration_id="",
),
file_name=Path("test_4"),
did_pass=False,
runtime=0,
test_framework="pytest",
test_type=TestType.GENERATED_REGRESSION,
return_value=None,
timed_out=False,
loop_index=1,
)
test_5 = FunctionTestInvocation(
id=InvocationId(
test_module_path="",
test_class_name="",
test_function_name="test_5",
function_getting_tested="sorter",
iteration_id="",
),
file_name=Path("test_5"),
did_pass=True,
runtime=0,
test_framework="pytest",
test_type=TestType.REPLAY_TEST,
return_value=None,
timed_out=False,
loop_index=1,
)
test_6 = FunctionTestInvocation(
id=InvocationId(
test_module_path="",
test_class_name="",
test_function_name="test_6",
function_getting_tested="sorter",
iteration_id="",
),
file_name=Path("test_6"),
did_pass=True,
runtime=0,
test_framework="pytest",
test_type=TestType.GENERATED_REGRESSION,
return_value=None,
timed_out=False,
loop_index=2,
)
test_7 = FunctionTestInvocation(
id=InvocationId(
test_module_path="",
test_class_name="",
test_function_name="test_7",
function_getting_tested="sorter",
iteration_id="",
),
file_name=Path("test_7"),
did_pass=True,
runtime=0,
test_framework="pytest",
test_type=TestType.EXISTING_UNIT_TEST,
return_value=None,
timed_out=False,
loop_index=1,
)
test_results = [test_1, test_2, test_3, test_4, test_5, test_6, test_7, test_1]
candidate_result = OptimizedCandidateResult(
max_loop_count=5,
best_test_runtime=100,
behavior_test_results=TestResults(test_results=test_results),
benchmarking_test_results=TestResults(),
total_candidate_timing=12,
optimization_candidate_index=0,
)
assert quantity_of_tests_critic(candidate_result)
test_results = [test_1, test_2, test_3, test_6, test_7, test_1, test_4, test_1]
candidate_result = OptimizedCandidateResult(
max_loop_count=5,
best_test_runtime=100,
behavior_test_results=TestResults(test_results=test_results),
benchmarking_test_results=TestResults(),
total_candidate_timing=12,
optimization_candidate_index=0,
)
assert quantity_of_tests_critic(candidate_result)
test_results = [test_1, test_3, test_4, test_2, test_7, test_1, test_6, test_1]
candidate_result = OptimizedCandidateResult(
max_loop_count=5,
best_test_runtime=100,
behavior_test_results=TestResults(test_results=test_results),
benchmarking_test_results=TestResults(),
total_candidate_timing=12,
optimization_candidate_index=0,
)
assert quantity_of_tests_critic(candidate_result)
test_results = [test_1]
candidate_result = OptimizedCandidateResult(
max_loop_count=5,
best_test_runtime=100,
behavior_test_results=TestResults(test_results=test_results),
benchmarking_test_results=TestResults(),
total_candidate_timing=12,
optimization_candidate_index=0,
)
assert not quantity_of_tests_critic(candidate_result)
test_results = [test_1, test_2, test_3, test_4, test_5, test_1, test_1, test_1]
candidate_result = OptimizedCandidateResult(
max_loop_count=5,
best_test_runtime=100,
behavior_test_results=TestResults(test_results=test_results),
benchmarking_test_results=TestResults(),
total_candidate_timing=12,
optimization_candidate_index=0,
)
assert quantity_of_tests_critic(candidate_result)
test_results = [test_1, test_4, test_6]
candidate_result = OptimizedCandidateResult(
max_loop_count=5,
best_test_runtime=100,
behavior_test_results=TestResults(test_results=test_results),
benchmarking_test_results=TestResults(),
total_candidate_timing=12,
optimization_candidate_index=0,
)
assert not quantity_of_tests_critic(candidate_result)
test_results = [test_4, test_5]
candidate_result = OptimizedCandidateResult(
max_loop_count=5,
best_test_runtime=100,
behavior_test_results=TestResults(test_results=test_results),
benchmarking_test_results=TestResults(),
total_candidate_timing=12,
optimization_candidate_index=0,
)
assert quantity_of_tests_critic(candidate_result)
test_results = [test_1, test_2, test_3, test_4, test_5, test_1, test_1, test_1]
candidate_result = OptimizedCandidateResult(
max_loop_count=5,
best_test_runtime=100,
behavior_test_results=TestResults(test_results=test_results),
benchmarking_test_results=TestResults(),
total_candidate_timing=12,
optimization_candidate_index=0,
)
assert quantity_of_tests_critic(candidate_result)
get_pr_number.cache_clear()
os.environ["CODEFLASH_PR_NUMBER"] = "1234"
test_results = [test_1, test_2, test_3, test_6]
candidate_result = OptimizedCandidateResult(
max_loop_count=5,
best_test_runtime=100,
behavior_test_results=TestResults(test_results=test_results),
benchmarking_test_results=TestResults(),
total_candidate_timing=12,
optimization_candidate_index=0,
)
assert not quantity_of_tests_critic(candidate_result)
test_results = [test_1, test_2, test_3, test_4]
candidate_result = OptimizedCandidateResult(
max_loop_count=5,
best_test_runtime=100,
behavior_test_results=TestResults(test_results=test_results),
benchmarking_test_results=TestResults(),
total_candidate_timing=12,
optimization_candidate_index=0,
)
assert not quantity_of_tests_critic(candidate_result)
test_results = [test_1, test_2, test_3, test_5, test_1, test_1, test_1, test_1]
candidate_result = OptimizedCandidateResult(
max_loop_count=5,
best_test_runtime=100,
behavior_test_results=TestResults(test_results=test_results),
benchmarking_test_results=TestResults(),
total_candidate_timing=12,
optimization_candidate_index=0,
)
assert quantity_of_tests_critic(candidate_result)
del os.environ["CODEFLASH_PR_NUMBER"]
def test_coverage_critic() -> None:
mock_code_context = Mock(spec=CodeOptimizationContext)
passing_coverage = CoverageData(
file_path=Path("test_file.py"),
coverage=100.0,
function_name="test_function",
functions_being_tested=["function1", "function2"],
graph={},
code_context=mock_code_context,
main_func_coverage=FunctionCoverage(
name="test_function",
coverage=100.0,
executed_lines=[10],
unexecuted_lines=[2],
executed_branches=[[5]],
unexecuted_branches=[[1]],
),
dependent_func_coverage=None,
status=CoverageStatus.PARSED_SUCCESSFULLY,
)
assert coverage_critic(passing_coverage, "pytest") is True
border_coverage = CoverageData(
file_path=Path("test_file.py"),
coverage=60.0,
function_name="test_function",
functions_being_tested=["function1", "function2"],
graph={},
code_context=mock_code_context,
main_func_coverage=FunctionCoverage(
name="test_function",
coverage=50.0,
executed_lines=[10],
unexecuted_lines=[2],
executed_branches=[[5]],
unexecuted_branches=[[1]],
),
dependent_func_coverage=None,
status=CoverageStatus.PARSED_SUCCESSFULLY,
)
assert coverage_critic(border_coverage, "pytest") is True
failing_coverage = CoverageData(
file_path=Path("test_file.py"),
coverage=30.0,
function_name="test_function",
functions_being_tested=["function1", "function2"],
graph={},
code_context=mock_code_context,
main_func_coverage=FunctionCoverage(
name="test_function",
coverage=0.0,
executed_lines=[],
unexecuted_lines=[10],
executed_branches=[],
unexecuted_branches=[[5]],
),
dependent_func_coverage=None,
status=CoverageStatus.PARSED_SUCCESSFULLY,
)
assert coverage_critic(failing_coverage, "pytest") is False
unittest_coverage = CoverageData(
file_path=Path("test_file.py"),
coverage=0,
function_name="test_function",
functions_being_tested=["function1", "function2"],
graph={},
code_context=mock_code_context,
main_func_coverage=FunctionCoverage(
name="test_function",
coverage=0,
executed_lines=[10],
unexecuted_lines=[2],
executed_branches=[[5]],
unexecuted_branches=[[1]],
),
dependent_func_coverage=None,
status=CoverageStatus.PARSED_SUCCESSFULLY,
)
assert coverage_critic(unittest_coverage, "unittest") is True
def test_throughput_gain() -> None:
"""Test throughput_gain calculation."""
# Test basic throughput improvement
assert throughput_gain(original_throughput=100, optimized_throughput=150) == 0.5 # 50% improvement
# Test no improvement
assert throughput_gain(original_throughput=100, optimized_throughput=100) == 0.0
# Test regression
assert throughput_gain(original_throughput=100, optimized_throughput=80) == -0.2 # 20% regression
# Test zero original throughput (edge case)
assert throughput_gain(original_throughput=0, optimized_throughput=50) == 0.0
# Test large improvement
assert throughput_gain(original_throughput=50, optimized_throughput=200) == 3.0 # 300% improvement
def test_speedup_critic_with_async_throughput() -> None:
"""Test speedup_critic with async throughput evaluation."""
original_code_runtime = 10000 # 10 microseconds
original_async_throughput = 100
# Test case 1: Both runtime and throughput improve significantly
candidate_result = OptimizedCandidateResult(
max_loop_count=5,
best_test_runtime=8000, # 20% runtime improvement
behavior_test_results=TestResults(),
benchmarking_test_results=TestResults(),
optimization_candidate_index=0,
total_candidate_timing=8000,
async_throughput=120, # 20% throughput improvement
)
assert speedup_critic(
candidate_result=candidate_result,
original_code_runtime=original_code_runtime,
best_runtime_until_now=None,
original_async_throughput=original_async_throughput,
best_throughput_until_now=None,
disable_gh_action_noise=True
)
# Test case 2: Runtime improves significantly, throughput doesn't meet threshold (should pass)
candidate_result = OptimizedCandidateResult(
max_loop_count=5,
best_test_runtime=8000, # 20% runtime improvement
behavior_test_results=TestResults(),
benchmarking_test_results=TestResults(),
optimization_candidate_index=0,
total_candidate_timing=8000,
async_throughput=105, # Only 5% throughput improvement (below 10% threshold)
)
assert speedup_critic(
candidate_result=candidate_result,
original_code_runtime=original_code_runtime,
best_runtime_until_now=None,
original_async_throughput=original_async_throughput,
best_throughput_until_now=None,
disable_gh_action_noise=True
)
# Test case 3: Throughput improves significantly, runtime doesn't meet threshold (should pass)
candidate_result = OptimizedCandidateResult(
max_loop_count=5,
best_test_runtime=9800, # Only 2% runtime improvement (below 5% threshold)
behavior_test_results=TestResults(),
benchmarking_test_results=TestResults(),
optimization_candidate_index=0,
total_candidate_timing=9800,
async_throughput=120, # 20% throughput improvement
)
assert speedup_critic(
candidate_result=candidate_result,
original_code_runtime=original_code_runtime,
best_runtime_until_now=None,
original_async_throughput=original_async_throughput,
best_throughput_until_now=None,
disable_gh_action_noise=True
)
# Test case 4: No throughput data - should fall back to runtime-only evaluation
candidate_result = OptimizedCandidateResult(
max_loop_count=5,
best_test_runtime=8000, # 20% runtime improvement
behavior_test_results=TestResults(),
benchmarking_test_results=TestResults(),
optimization_candidate_index=0,
total_candidate_timing=8000,
async_throughput=None, # No throughput data
)
assert speedup_critic(
candidate_result=candidate_result,
original_code_runtime=original_code_runtime,
best_runtime_until_now=None,
original_async_throughput=None, # No original throughput data
best_throughput_until_now=None,
disable_gh_action_noise=True
)
# Test case 5: Test best_throughput_until_now comparison
candidate_result = OptimizedCandidateResult(
max_loop_count=5,
best_test_runtime=8000, # 20% runtime improvement
behavior_test_results=TestResults(),
benchmarking_test_results=TestResults(),
optimization_candidate_index=0,
total_candidate_timing=8000,
async_throughput=115, # 15% throughput improvement
)
# Should pass when no best throughput yet
assert speedup_critic(
candidate_result=candidate_result,
original_code_runtime=original_code_runtime,
best_runtime_until_now=None,
original_async_throughput=original_async_throughput,
best_throughput_until_now=None,
disable_gh_action_noise=True
)
# Should fail when there's a better throughput already
assert not speedup_critic(
candidate_result=candidate_result,
original_code_runtime=original_code_runtime,
best_runtime_until_now=7000, # Better runtime already exists
original_async_throughput=original_async_throughput,
best_throughput_until_now=120, # Better throughput already exists
disable_gh_action_noise=True
)
# Test case 6: Zero original throughput (edge case)
candidate_result = OptimizedCandidateResult(
max_loop_count=5,
best_test_runtime=8000, # 20% runtime improvement
behavior_test_results=TestResults(),
benchmarking_test_results=TestResults(),
optimization_candidate_index=0,
total_candidate_timing=8000,
async_throughput=50,
)
# Should pass when original throughput is 0 (throughput evaluation skipped)
assert speedup_critic(
candidate_result=candidate_result,
original_code_runtime=original_code_runtime,
best_runtime_until_now=None,
original_async_throughput=0, # Zero original throughput
best_throughput_until_now=None,
disable_gh_action_noise=True
)